mirror of
https://github.com/meilisearch/MeiliSearch
synced 2024-11-27 07:14:26 +01:00
1444 lines
70 KiB
Rust
1444 lines
70 KiB
Rust
use std::borrow::Cow;
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use std::collections::HashMap;
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use std::ops::{Deref, Range};
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use std::time::Duration;
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use either::Either;
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use sdset::{SetOperation, SetBuf, Set};
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use meilisearch_schema::FieldId;
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use crate::bucket_sort::{bucket_sort, bucket_sort_with_distinct, SortResult, placeholder_document_sort, facet_count};
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use crate::database::MainT;
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use crate::facets::FacetFilter;
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use crate::distinct_map::{DistinctMap, BufferedDistinctMap};
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use crate::Document;
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use crate::{criterion::Criteria, DocumentId};
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use crate::{reordered_attrs::ReorderedAttrs, store, MResult, MainReader};
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pub struct QueryBuilder<'c, 'f, 'd, 'i> {
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criteria: Criteria<'c>,
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searchable_attrs: Option<ReorderedAttrs>,
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filter: Option<Box<dyn Fn(DocumentId) -> bool + 'f>>,
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distinct: Option<(Box<dyn Fn(DocumentId) -> Option<u64> + 'd>, usize)>,
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timeout: Option<Duration>,
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index: &'i store::Index,
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facet_filter: Option<FacetFilter>,
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facets: Option<Vec<(FieldId, String)>>,
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}
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impl<'c, 'f, 'd, 'i> QueryBuilder<'c, 'f, 'd, 'i> {
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pub fn new(index: &'i store::Index) -> Self {
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QueryBuilder::with_criteria(index, Criteria::default())
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}
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/// sets facet attributes to filter on
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pub fn set_facet_filter(&mut self, facets: Option<FacetFilter>) {
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self.facet_filter = facets;
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}
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/// sets facet attributes for which to return the count
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pub fn set_facets(&mut self, facets: Option<Vec<(FieldId, String)>>) {
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self.facets = facets;
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}
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pub fn with_criteria(index: &'i store::Index, criteria: Criteria<'c>) -> Self {
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QueryBuilder {
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criteria,
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searchable_attrs: None,
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filter: None,
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distinct: None,
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timeout: None,
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index,
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facet_filter: None,
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facets: None,
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}
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}
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pub fn with_filter<F>(&mut self, function: F)
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where
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F: Fn(DocumentId) -> bool + 'f,
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{
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self.filter = Some(Box::new(function))
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}
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pub fn with_fetch_timeout(&mut self, timeout: Duration) {
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self.timeout = Some(timeout)
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}
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pub fn with_distinct<F>(&mut self, size: usize, function: F)
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where
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F: Fn(DocumentId) -> Option<u64> + 'd,
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{
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self.distinct = Some((Box::new(function), size))
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}
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pub fn add_searchable_attribute(&mut self, attribute: u16) {
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let reorders = self.searchable_attrs.get_or_insert_with(ReorderedAttrs::new);
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reorders.insert_attribute(attribute);
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}
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/// returns the documents ids associated with a facet filter by computing the union and
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/// intersection of the document sets
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fn facets_docids(&self, reader: &MainReader) -> MResult<Option<SetBuf<DocumentId>>> {
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let facet_docids = match self.facet_filter {
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Some(ref facets) => {
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let mut ands = Vec::with_capacity(facets.len());
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let mut ors = Vec::new();
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for f in facets.deref() {
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match f {
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Either::Left(keys) => {
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ors.reserve(keys.len());
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for key in keys {
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let docids = self
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.index
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.facets
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.facet_document_ids(reader, &key)?
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.unwrap_or_default();
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ors.push(docids);
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}
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let sets: Vec<_> = ors.iter().map(|(_, i)| i).map(Cow::deref).collect();
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let or_result = sdset::multi::OpBuilder::from_vec(sets).union().into_set_buf();
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ands.push(Cow::Owned(or_result));
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ors.clear();
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}
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Either::Right(key) => {
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match self.index.facets.facet_document_ids(reader, &key)? {
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Some((_name, docids)) => ands.push(docids),
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// no candidates for search, early return.
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None => return Ok(Some(SetBuf::default())),
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}
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}
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};
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}
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let ands: Vec<_> = ands.iter().map(Cow::deref).collect();
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Some(
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sdset::multi::OpBuilder::from_vec(ands)
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.intersection()
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.into_set_buf(),
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)
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}
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None => None,
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};
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Ok(facet_docids)
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}
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fn standard_query(self, reader: &MainReader, query: &str, range: Range<usize>) -> MResult<SortResult> {
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let facets_docids = match self.facets_docids(reader)? {
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Some(ids) if ids.is_empty() => return Ok(SortResult::default()),
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other => other
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};
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// for each field to retrieve the count for, create an HashMap associating the attribute
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// value to a set of matching documents. The HashMaps are them collected in another
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// HashMap, associating each HashMap to it's field.
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let facet_count_docids = self.facet_count_docids(reader)?;
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match self.distinct {
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Some((distinct, distinct_size)) => bucket_sort_with_distinct(
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reader,
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query,
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range,
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facets_docids,
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facet_count_docids,
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self.filter,
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distinct,
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distinct_size,
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self.criteria,
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self.searchable_attrs,
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self.index,
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),
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None => bucket_sort(
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reader,
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query,
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range,
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facets_docids,
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facet_count_docids,
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self.filter,
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self.criteria,
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self.searchable_attrs,
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self.index,
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),
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}
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}
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fn placeholder_query(self, reader: &heed::RoTxn<MainT>, range: Range<usize>) -> MResult<SortResult> {
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match self.facets_docids(reader)? {
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Some(docids) => {
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// We sort the docids from facets according to the criteria set by the user
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let mut sorted_docids = docids.clone().into_vec();
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let mut sort_result = match self.index.main.ranked_map(reader)? {
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Some(ranked_map) => {
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placeholder_document_sort(&mut sorted_docids, self.index, reader, &ranked_map)?;
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self.sort_result_from_docids(&sorted_docids, range)
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},
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// if we can't perform a sort, we return documents unordered
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None => self.sort_result_from_docids(&docids, range),
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};
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if let Some(f) = self.facet_count_docids(reader)? {
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sort_result.exhaustive_facets_count = Some(true);
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sort_result.facets = Some(facet_count(f, &docids));
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}
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Ok(sort_result)
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},
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None => {
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match self.index.main.sorted_document_ids_cache(reader)? {
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// build result from cached document ids
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Some(docids) => {
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let mut sort_result = self.sort_result_from_docids(&docids, range);
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if let Some(f) = self.facet_count_docids(reader)? {
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sort_result.exhaustive_facets_count = Some(true);
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// document ids are not sorted in natural order, we need to construct a new set
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let document_set = SetBuf::from_dirty(Vec::from(docids));
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sort_result.facets = Some(facet_count(f, &document_set));
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}
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Ok(sort_result)
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},
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// no document id cached, return empty result
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None => Ok(SortResult::default()),
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}
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}
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}
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}
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fn facet_count_docids<'a>(&self, reader: &'a MainReader) -> MResult<Option<HashMap<String, HashMap<String, (&'a str, Cow<'a, Set<DocumentId>>)>>>> {
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match self.facets {
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Some(ref field_ids) => {
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let mut facet_count_map = HashMap::new();
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for (field_id, field_name) in field_ids {
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let mut key_map = HashMap::new();
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for pair in self.index.facets.field_document_ids(reader, *field_id)? {
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let (facet_key, document_ids) = pair?;
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let value = facet_key.value();
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key_map.insert(value.to_string(), document_ids);
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}
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facet_count_map.insert(field_name.clone(), key_map);
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}
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Ok(Some(facet_count_map))
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}
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None => Ok(None),
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}
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}
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fn sort_result_from_docids(&self, docids: &[DocumentId], range: Range<usize>) -> SortResult {
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let mut sort_result = SortResult::default();
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let mut filtered_count = 0;
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let mut result = match self.filter {
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Some(ref filter) => docids
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.iter()
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.filter(|item| {
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let accepted = (filter)(**item);
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if !accepted {
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filtered_count += 1;
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}
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accepted
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})
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.skip(range.start)
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.take(range.end - range.start)
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.map(|&id| Document::from_highlights(id, &[]))
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.collect::<Vec<_>>(),
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None => docids
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.iter()
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.skip(range.start)
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.take(range.end - range.start)
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.map(|&id| Document::from_highlights(id, &[]))
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.collect::<Vec<_>>(),
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};
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// distinct is set, remove duplicates with disctinct function
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if let Some((distinct, distinct_size)) = &self.distinct {
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let mut distinct_map = DistinctMap::new(*distinct_size);
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let mut distinct_map = BufferedDistinctMap::new(&mut distinct_map);
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result.retain(|doc| {
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let id = doc.id;
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let key = (distinct)(id);
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let distinct_accepted = match key {
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Some(key) => distinct_map.register(key),
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None => distinct_map.register_without_key(),
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};
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if !distinct_accepted {
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filtered_count += 1;
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}
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distinct_accepted
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});
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}
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sort_result.documents = result;
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sort_result.nb_hits = docids.len() - filtered_count;
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sort_result
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}
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pub fn query(
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self,
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reader: &heed::RoTxn<MainT>,
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query: Option<&str>,
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range: Range<usize>,
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) -> MResult<SortResult> {
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match query {
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Some(query) => self.standard_query(reader, query, range),
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None => self.placeholder_query(reader, range),
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}
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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use std::collections::{BTreeSet, HashMap};
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use std::iter::FromIterator;
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use fst::IntoStreamer;
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use meilisearch_schema::IndexedPos;
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use sdset::SetBuf;
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use tempfile::TempDir;
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use crate::bucket_sort::SimpleMatch;
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use crate::database::{Database, DatabaseOptions};
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use crate::store::Index;
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use crate::DocIndex;
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use crate::Document;
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use meilisearch_schema::Schema;
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fn is_cjk(c: char) -> bool {
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('\u{1100}'..'\u{11ff}').contains(&c) // Hangul Jamo
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|| ('\u{2e80}'..'\u{2eff}').contains(&c) // CJK Radicals Supplement
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|| ('\u{2f00}'..'\u{2fdf}').contains(&c) // Kangxi radical
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|| ('\u{3000}'..'\u{303f}').contains(&c) // Japanese-style punctuation
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|| ('\u{3040}'..'\u{309f}').contains(&c) // Japanese Hiragana
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|| ('\u{30a0}'..'\u{30ff}').contains(&c) // Japanese Katakana
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|| ('\u{3100}'..'\u{312f}').contains(&c)
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|| ('\u{3130}'..'\u{318F}').contains(&c) // Hangul Compatibility Jamo
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|| ('\u{3200}'..'\u{32ff}').contains(&c) // Enclosed CJK Letters and Months
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|| ('\u{3400}'..'\u{4dbf}').contains(&c) // CJK Unified Ideographs Extension A
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|| ('\u{4e00}'..'\u{9fff}').contains(&c) // CJK Unified Ideographs
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|| ('\u{a960}'..'\u{a97f}').contains(&c) // Hangul Jamo Extended-A
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|| ('\u{ac00}'..'\u{d7a3}').contains(&c) // Hangul Syllables
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|| ('\u{d7b0}'..'\u{d7ff}').contains(&c) // Hangul Jamo Extended-B
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|| ('\u{f900}'..'\u{faff}').contains(&c) // CJK Compatibility Ideographs
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|| ('\u{ff00}'..'\u{ffef}').contains(&c) // Full-width roman characters and half-width katakana
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}
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fn normalize_str(string: &str) -> String {
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let mut string = string.to_lowercase();
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if !string.contains(is_cjk) {
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string = deunicode::deunicode_with_tofu(&string, "");
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}
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string
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}
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fn set_from_stream<'f, I, S>(stream: I) -> fst::Set<Vec<u8>>
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where
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I: for<'a> fst::IntoStreamer<'a, Into = S, Item = &'a [u8]>,
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S: 'f + for<'a> fst::Streamer<'a, Item = &'a [u8]>,
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{
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let mut builder = fst::SetBuilder::memory();
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builder.extend_stream(stream).unwrap();
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builder.into_set()
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}
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fn insert_key<A: AsRef<[u8]>>(set: &fst::Set<A>, key: &[u8]) -> fst::Set<Vec<u8>> {
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let unique_key = {
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let mut builder = fst::SetBuilder::memory();
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builder.insert(key).unwrap();
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builder.into_set()
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};
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let union_ = set.op().add(unique_key.into_stream()).r#union();
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set_from_stream(union_)
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}
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fn sdset_into_fstset(set: &sdset::Set<&str>) -> fst::Set<Vec<u8>> {
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let mut builder = fst::SetBuilder::memory();
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let set = SetBuf::from_dirty(set.into_iter().map(|s| normalize_str(s)).collect());
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builder.extend_iter(set.into_iter()).unwrap();
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builder.into_set()
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}
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const fn doc_index(document_id: u32, word_index: u16) -> DocIndex {
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DocIndex {
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document_id: DocumentId(document_id),
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attribute: 0,
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word_index,
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char_index: 0,
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char_length: 0,
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}
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}
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const fn doc_char_index(document_id: u32, word_index: u16, char_index: u16) -> DocIndex {
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DocIndex {
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document_id: DocumentId(document_id),
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attribute: 0,
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word_index,
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char_index,
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char_length: 0,
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}
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}
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pub struct TempDatabase {
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database: Database,
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index: Index,
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_tempdir: TempDir,
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}
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impl TempDatabase {
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pub fn query_builder(&self) -> QueryBuilder {
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self.index.query_builder()
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}
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pub fn add_synonym(&mut self, word: &str, new: SetBuf<&str>) {
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let db = &self.database;
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let mut writer = db.main_write_txn().unwrap();
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let word = normalize_str(word);
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let alternatives = self
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.index
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.synonyms
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.synonyms_fst(&writer, word.as_bytes())
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.unwrap();
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let new = sdset_into_fstset(&new);
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let new_alternatives =
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set_from_stream(alternatives.op().add(new.into_stream()).r#union());
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self.index
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.synonyms
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.put_synonyms(&mut writer, word.as_bytes(), &new_alternatives)
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.unwrap();
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let synonyms = self.index.main.synonyms_fst(&writer).unwrap();
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let synonyms_fst = insert_key(&synonyms, word.as_bytes());
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self.index
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.main
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.put_synonyms_fst(&mut writer, &synonyms_fst)
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.unwrap();
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writer.commit().unwrap();
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}
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}
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|
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impl<'a> FromIterator<(&'a str, &'a [DocIndex])> for TempDatabase {
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fn from_iter<I: IntoIterator<Item = (&'a str, &'a [DocIndex])>>(iter: I) -> Self {
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let tempdir = TempDir::new().unwrap();
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let database = Database::open_or_create(&tempdir, DatabaseOptions::default()).unwrap();
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let index = database.create_index("default").unwrap();
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let db = &database;
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let mut writer = db.main_write_txn().unwrap();
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let mut words_fst = BTreeSet::new();
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let mut postings_lists = HashMap::new();
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let mut fields_counts = HashMap::<_, u16>::new();
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let mut schema = Schema::with_primary_key("id");
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for (word, indexes) in iter {
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let mut final_indexes = Vec::new();
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for index in indexes {
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let name = index.attribute.to_string();
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schema.insert(&name).unwrap();
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let indexed_pos = schema.insert_with_position(&name).unwrap().1;
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let index = DocIndex {
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attribute: indexed_pos.0,
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..*index
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};
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final_indexes.push(index);
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}
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let word = word.to_lowercase().into_bytes();
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words_fst.insert(word.clone());
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postings_lists
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.entry(word)
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.or_insert_with(Vec::new)
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.extend_from_slice(&final_indexes);
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for idx in final_indexes {
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fields_counts.insert((idx.document_id, idx.attribute, idx.word_index), 1);
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}
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}
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index.main.put_schema(&mut writer, &schema).unwrap();
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let words_fst = fst::Set::from_iter(words_fst).unwrap();
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index.main.put_words_fst(&mut writer, &words_fst).unwrap();
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for (word, postings_list) in postings_lists {
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let postings_list = SetBuf::from_dirty(postings_list);
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index
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.postings_lists
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.put_postings_list(&mut writer, &word, &postings_list)
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.unwrap();
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}
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|
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for ((docid, attr, _), count) in fields_counts {
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let prev = index
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.documents_fields_counts
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.document_field_count(&writer, docid, IndexedPos(attr))
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.unwrap();
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|
|
let prev = prev.unwrap_or(0);
|
|
|
|
index
|
|
.documents_fields_counts
|
|
.put_document_field_count(&mut writer, docid, IndexedPos(attr), prev + count)
|
|
.unwrap();
|
|
}
|
|
|
|
writer.commit().unwrap();
|
|
|
|
TempDatabase { database, index, _tempdir: tempdir }
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn simple() {
|
|
let store = TempDatabase::from_iter(vec![
|
|
("iphone", &[doc_char_index(0, 0, 0)][..]),
|
|
("from", &[doc_char_index(0, 1, 1)][..]),
|
|
("apple", &[doc_char_index(0, 2, 2)][..]),
|
|
]);
|
|
|
|
let db = &store.database;
|
|
let reader = db.main_read_txn().unwrap();
|
|
|
|
let builder = store.query_builder();
|
|
let SortResult { documents, .. } = builder.query(&reader, Some("iphone from apple"), 0..20).unwrap();
|
|
let mut iter = documents.into_iter();
|
|
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => {
|
|
let mut matches = matches.into_iter();
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, .. }));
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 1, .. }));
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 2, word_index: 2, .. }));
|
|
assert_matches!(matches.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), None);
|
|
}
|
|
|
|
#[test]
|
|
fn simple_synonyms() {
|
|
let mut store = TempDatabase::from_iter(vec![("hello", &[doc_index(0, 0)][..])]);
|
|
|
|
store.add_synonym("bonjour", SetBuf::from_dirty(vec!["hello"]));
|
|
|
|
let db = &store.database;
|
|
let reader = db.main_read_txn().unwrap();
|
|
|
|
let builder = store.query_builder();
|
|
let SortResult { documents, .. } = builder.query(&reader, Some("hello"), 0..20).unwrap();
|
|
let mut iter = documents.into_iter();
|
|
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => {
|
|
let mut matches = matches.into_iter();
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, .. }));
|
|
assert_matches!(matches.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), None);
|
|
|
|
let builder = store.query_builder();
|
|
let SortResult { documents, .. } = builder.query(&reader, Some("bonjour"), 0..20).unwrap();
|
|
let mut iter = documents.into_iter();
|
|
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => {
|
|
let mut matches = matches.into_iter();
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, .. }));
|
|
assert_matches!(matches.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), None);
|
|
}
|
|
|
|
// #[test]
|
|
// fn prefix_synonyms() {
|
|
// let mut store = TempDatabase::from_iter(vec![("hello", &[doc_index(0, 0)][..])]);
|
|
|
|
// store.add_synonym("bonjour", SetBuf::from_dirty(vec!["hello"]));
|
|
// store.add_synonym("salut", SetBuf::from_dirty(vec!["hello"]));
|
|
|
|
// let db = &store.database;
|
|
// let reader = db.main_read_txn().unwrap();
|
|
|
|
// let builder = store.query_builder();
|
|
// let results = builder.query(&reader, "sal", 0..20).unwrap();
|
|
// let mut iter = documents.into_iter();
|
|
|
|
// assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => {
|
|
// let mut matches = matches.into_iter();
|
|
// assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, .. }));
|
|
// assert_matches!(matches.next(), None);
|
|
// });
|
|
// assert_matches!(iter.next(), None);
|
|
|
|
// let builder = store.query_builder();
|
|
// let results = builder.query(&reader, "bonj", 0..20).unwrap();
|
|
// let mut iter = documents.into_iter();
|
|
|
|
// assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => {
|
|
// let mut matches = matches.into_iter();
|
|
// assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, .. }));
|
|
// assert_matches!(matches.next(), None);
|
|
// });
|
|
// assert_matches!(iter.next(), None);
|
|
|
|
// let builder = store.query_builder();
|
|
// let results = builder.query(&reader, "sal blabla", 0..20).unwrap();
|
|
// let mut iter = documents.into_iter();
|
|
|
|
// assert_matches!(iter.next(), None);
|
|
|
|
// let builder = store.query_builder();
|
|
// let results = builder.query(&reader, "bonj blabla", 0..20).unwrap();
|
|
// let mut iter = documents.into_iter();
|
|
|
|
// assert_matches!(iter.next(), None);
|
|
// }
|
|
|
|
// #[test]
|
|
// fn levenshtein_synonyms() {
|
|
// let mut store = TempDatabase::from_iter(vec![("hello", &[doc_index(0, 0)][..])]);
|
|
|
|
// store.add_synonym("salutation", SetBuf::from_dirty(vec!["hello"]));
|
|
|
|
// let db = &store.database;
|
|
// let reader = db.main_read_txn().unwrap();
|
|
|
|
// let builder = store.query_builder();
|
|
// let results = builder.query(&reader, "salutution", 0..20).unwrap();
|
|
// let mut iter = documents.into_iter();
|
|
|
|
// assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => {
|
|
// let mut matches = matches.into_iter();
|
|
// assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, .. }));
|
|
// assert_matches!(matches.next(), None);
|
|
// });
|
|
// assert_matches!(iter.next(), None);
|
|
|
|
// let builder = store.query_builder();
|
|
// let results = builder.query(&reader, "saluttion", 0..20).unwrap();
|
|
// let mut iter = documents.into_iter();
|
|
|
|
// assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => {
|
|
// let mut matches = matches.into_iter();
|
|
// assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, .. }));
|
|
// assert_matches!(matches.next(), None);
|
|
// });
|
|
// assert_matches!(iter.next(), None);
|
|
// }
|
|
|
|
#[test]
|
|
fn harder_synonyms() {
|
|
let mut store = TempDatabase::from_iter(vec![
|
|
("hello", &[doc_index(0, 0)][..]),
|
|
("bonjour", &[doc_index(1, 3)]),
|
|
("salut", &[doc_index(2, 5)]),
|
|
]);
|
|
|
|
store.add_synonym("hello", SetBuf::from_dirty(vec!["bonjour", "salut"]));
|
|
store.add_synonym("bonjour", SetBuf::from_dirty(vec!["hello", "salut"]));
|
|
store.add_synonym("salut", SetBuf::from_dirty(vec!["hello", "bonjour"]));
|
|
|
|
let db = &store.database;
|
|
let reader = db.main_read_txn().unwrap();
|
|
|
|
let builder = store.query_builder();
|
|
let SortResult { documents, .. } = builder.query(&reader, Some("hello"), 0..20).unwrap();
|
|
let mut iter = documents.into_iter();
|
|
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => {
|
|
let mut matches = matches.into_iter();
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, .. }));
|
|
assert_matches!(matches.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => {
|
|
let mut matches = matches.into_iter();
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 3, .. }));
|
|
assert_matches!(matches.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(2), matches, .. }) => {
|
|
let mut matches = matches.into_iter();
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 5, .. }));
|
|
assert_matches!(matches.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), None);
|
|
|
|
let builder = store.query_builder();
|
|
let SortResult { documents, .. } = builder.query(&reader, Some("bonjour"), 0..20).unwrap();
|
|
let mut iter = documents.into_iter();
|
|
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => {
|
|
let mut matches = matches.into_iter();
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, .. }));
|
|
assert_matches!(matches.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => {
|
|
let mut matches = matches.into_iter();
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 3, .. }));
|
|
assert_matches!(matches.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(2), matches, .. }) => {
|
|
let mut matches = matches.into_iter();
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 5, .. }));
|
|
assert_matches!(matches.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), None);
|
|
|
|
let builder = store.query_builder();
|
|
let SortResult { documents, .. } = builder.query(&reader, Some("salut"), 0..20).unwrap();
|
|
let mut iter = documents.into_iter();
|
|
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => {
|
|
let mut matches = matches.into_iter();
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, .. }));
|
|
assert_matches!(matches.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => {
|
|
let mut matches = matches.into_iter();
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 3, .. }));
|
|
assert_matches!(matches.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(2), matches, .. }) => {
|
|
let mut matches = matches.into_iter();
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 5, .. }));
|
|
assert_matches!(matches.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), None);
|
|
}
|
|
|
|
#[test]
|
|
/// Unique word has multi-word synonyms
|
|
fn unique_to_multiword_synonyms() {
|
|
let mut store = TempDatabase::from_iter(vec![
|
|
("new", &[doc_char_index(0, 0, 0)][..]),
|
|
("york", &[doc_char_index(0, 1, 1)][..]),
|
|
("city", &[doc_char_index(0, 2, 2)][..]),
|
|
("subway", &[doc_char_index(0, 3, 3)][..]),
|
|
("NY", &[doc_char_index(1, 0, 0)][..]),
|
|
("subway", &[doc_char_index(1, 1, 1)][..]),
|
|
]);
|
|
|
|
store.add_synonym(
|
|
"NY",
|
|
SetBuf::from_dirty(vec!["NYC", "new york", "new york city"]),
|
|
);
|
|
store.add_synonym(
|
|
"NYC",
|
|
SetBuf::from_dirty(vec!["NY", "new york", "new york city"]),
|
|
);
|
|
|
|
let db = &store.database;
|
|
let reader = db.main_read_txn().unwrap();
|
|
|
|
let builder = store.query_builder();
|
|
let SortResult { documents, .. } = builder.query(&reader, Some("NY subway"), 0..20).unwrap();
|
|
let mut iter = documents.into_iter();
|
|
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => {
|
|
let mut iter = matches.into_iter();
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: true, .. })); // new = NY
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: true, .. })); // york = NY
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: true, .. })); // city = NY
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 3, word_index: 3, is_exact: true, .. })); // subway
|
|
assert_matches!(iter.next(), None); // position rewritten ^
|
|
});
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => {
|
|
let mut iter = matches.into_iter();
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: false, .. })); // NY ± new
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: false, .. })); // NY ± york
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: false, .. })); // NY ± city
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 3, word_index: 3, is_exact: true, .. })); // subway
|
|
assert_matches!(iter.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), None);
|
|
|
|
let builder = store.query_builder();
|
|
let SortResult { documents, .. } = builder.query(&reader, Some("NYC subway"), 0..20).unwrap();
|
|
let mut iter = documents.into_iter();
|
|
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => {
|
|
let mut iter = matches.into_iter();
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: true, .. })); // new = NYC
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: true, .. })); // york = NYC
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: true, .. })); // city = NYC
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 3, word_index: 3, is_exact: true, .. })); // subway
|
|
assert_matches!(iter.next(), None); // position rewritten ^
|
|
});
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => {
|
|
let mut iter = matches.into_iter();
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: false, .. })); // NYC ± new
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: false, .. })); // NYC ± york
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: false, .. })); // NYC ± city
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 3, word_index: 3, is_exact: true, .. })); // subway
|
|
assert_matches!(iter.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), None);
|
|
}
|
|
|
|
#[test]
|
|
fn unique_to_multiword_synonyms_words_proximity() {
|
|
let mut store = TempDatabase::from_iter(vec![
|
|
("new", &[doc_char_index(0, 0, 0)][..]),
|
|
("york", &[doc_char_index(0, 1, 1)][..]),
|
|
("city", &[doc_char_index(0, 2, 2)][..]),
|
|
("subway", &[doc_char_index(0, 3, 3)][..]),
|
|
("york", &[doc_char_index(1, 0, 0)][..]),
|
|
("new", &[doc_char_index(1, 1, 1)][..]),
|
|
("subway", &[doc_char_index(1, 2, 2)][..]),
|
|
("NY", &[doc_char_index(2, 0, 0)][..]),
|
|
("subway", &[doc_char_index(2, 1, 1)][..]),
|
|
]);
|
|
|
|
store.add_synonym("NY", SetBuf::from_dirty(vec!["york new"]));
|
|
|
|
let db = &store.database;
|
|
let reader = db.main_read_txn().unwrap();
|
|
|
|
let builder = store.query_builder();
|
|
let SortResult { documents, .. } = builder.query(&reader, Some("NY"), 0..20).unwrap();
|
|
let mut iter = documents.into_iter();
|
|
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(2), matches, .. }) => {
|
|
let mut matches = matches.into_iter();
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, .. })); // NY ± york
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 1, .. })); // NY ± new
|
|
assert_matches!(matches.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => {
|
|
let mut matches = matches.into_iter();
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, .. })); // york = NY
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 1, .. })); // new = NY
|
|
assert_matches!(matches.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => {
|
|
let mut matches = matches.into_iter();
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 1, .. })); // york = NY
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 0, .. })); // new = NY
|
|
assert_matches!(matches.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), None);
|
|
|
|
let builder = store.query_builder();
|
|
let SortResult { documents, .. } = builder.query(&reader, Some("new york"), 0..20).unwrap();
|
|
let mut iter = documents.into_iter();
|
|
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => {
|
|
let mut matches = matches.into_iter();
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, .. })); // new
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 1, .. })); // york
|
|
assert_matches!(matches.next(), None); // position rewritten ^
|
|
});
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => {
|
|
let mut matches = matches.into_iter();
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 1, .. })); // york
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 0, .. })); // new
|
|
assert_matches!(matches.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), None);
|
|
}
|
|
|
|
#[test]
|
|
fn unique_to_multiword_synonyms_cumulative_word_index() {
|
|
let mut store = TempDatabase::from_iter(vec![
|
|
("NY", &[doc_char_index(0, 0, 0)][..]),
|
|
("subway", &[doc_char_index(0, 1, 1)][..]),
|
|
("new", &[doc_char_index(1, 0, 0)][..]),
|
|
("york", &[doc_char_index(1, 1, 1)][..]),
|
|
("subway", &[doc_char_index(1, 2, 2)][..]),
|
|
]);
|
|
|
|
store.add_synonym("new york", SetBuf::from_dirty(vec!["NY"]));
|
|
|
|
let db = &store.database;
|
|
let reader = db.main_read_txn().unwrap();
|
|
|
|
let builder = store.query_builder();
|
|
let SortResult { documents, .. } = builder.query(&reader, Some("NY subway"), 0..20).unwrap();
|
|
let mut iter = documents.into_iter();
|
|
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => {
|
|
let mut matches = matches.into_iter();
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: true, .. })); // NY
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: true, .. })); // subway
|
|
assert_matches!(matches.next(), None);
|
|
});
|
|
// assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => {
|
|
// let mut matches = matches.into_iter();
|
|
// assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 2, is_exact: true, .. })); // subway
|
|
// assert_matches!(matches.next(), None);
|
|
// });
|
|
assert_matches!(iter.next(), None);
|
|
|
|
let builder = store.query_builder();
|
|
let SortResult { documents, .. } =
|
|
builder.query(&reader, Some("new york subway"), 0..20).unwrap();
|
|
let mut iter = documents.into_iter();
|
|
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => {
|
|
let mut matches = matches.into_iter();
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: true, .. })); // new
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: true, .. })); // york
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: true, .. })); // subway
|
|
assert_matches!(matches.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => {
|
|
let mut matches = matches.into_iter();
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: true, .. })); // new = NY
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: true, .. })); // york = NY
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: true, .. })); // subway
|
|
assert_matches!(matches.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), None);
|
|
}
|
|
|
|
#[test]
|
|
/// Unique word has multi-word synonyms
|
|
fn harder_unique_to_multiword_synonyms_one() {
|
|
let mut store = TempDatabase::from_iter(vec![
|
|
("new", &[doc_char_index(0, 0, 0)][..]),
|
|
("york", &[doc_char_index(0, 1, 1)][..]),
|
|
("city", &[doc_char_index(0, 2, 2)][..]),
|
|
("yellow", &[doc_char_index(0, 3, 3)][..]),
|
|
("subway", &[doc_char_index(0, 4, 4)][..]),
|
|
("broken", &[doc_char_index(0, 5, 5)][..]),
|
|
("NY", &[doc_char_index(1, 0, 0)][..]),
|
|
("blue", &[doc_char_index(1, 1, 1)][..]),
|
|
("subway", &[doc_char_index(1, 2, 2)][..]),
|
|
]);
|
|
|
|
store.add_synonym(
|
|
"NY",
|
|
SetBuf::from_dirty(vec!["NYC", "new york", "new york city"]),
|
|
);
|
|
store.add_synonym(
|
|
"NYC",
|
|
SetBuf::from_dirty(vec!["NY", "new york", "new york city"]),
|
|
);
|
|
|
|
let db = &store.database;
|
|
let reader = db.main_read_txn().unwrap();
|
|
|
|
let builder = store.query_builder();
|
|
let SortResult { documents, .. } = builder.query(&reader, Some("NY subway"), 0..20).unwrap();
|
|
let mut iter = documents.into_iter();
|
|
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => {
|
|
let mut iter = matches.into_iter();
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: true, .. })); // new = NY
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: true, .. })); // york = NY
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: true, .. })); // city = NY
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 3, word_index: 4, is_exact: true, .. })); // subway
|
|
assert_matches!(iter.next(), None); // position rewritten ^
|
|
});
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => {
|
|
let mut iter = matches.into_iter();
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: false, .. })); // new = NY
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: false, .. })); // york = NY
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: false, .. })); // city = NY
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 3, word_index: 4, is_exact: true, .. })); // subway
|
|
assert_matches!(iter.next(), None); // position rewritten ^
|
|
});
|
|
assert_matches!(iter.next(), None);
|
|
|
|
let builder = store.query_builder();
|
|
let SortResult { documents, .. } = builder.query(&reader, Some("NYC subway"), 0..20).unwrap();
|
|
let mut iter = documents.into_iter();
|
|
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => {
|
|
let mut iter = matches.into_iter();
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: true, .. })); // NYC
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: true, .. })); // NYC
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: true, .. })); // NYC
|
|
// because one-word to one-word ^^^^
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 3, word_index: 4, is_exact: true, .. })); // subway
|
|
assert_matches!(iter.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => {
|
|
let mut iter = matches.into_iter();
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: false, .. })); // new = NYC
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: false, .. })); // york = NYC
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: false, .. })); // city = NYC
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 3, word_index: 4, is_exact: true, .. })); // subway
|
|
assert_matches!(iter.next(), None); // position rewritten ^
|
|
});
|
|
assert_matches!(iter.next(), None);
|
|
}
|
|
|
|
#[test]
|
|
/// Unique word has multi-word synonyms
|
|
fn even_harder_unique_to_multiword_synonyms() {
|
|
let mut store = TempDatabase::from_iter(vec![
|
|
("new", &[doc_char_index(0, 0, 0)][..]),
|
|
("york", &[doc_char_index(0, 1, 1)][..]),
|
|
("city", &[doc_char_index(0, 2, 2)][..]),
|
|
("yellow", &[doc_char_index(0, 3, 3)][..]),
|
|
("underground", &[doc_char_index(0, 4, 4)][..]),
|
|
("train", &[doc_char_index(0, 5, 5)][..]),
|
|
("broken", &[doc_char_index(0, 6, 6)][..]),
|
|
("NY", &[doc_char_index(1, 0, 0)][..]),
|
|
("blue", &[doc_char_index(1, 1, 1)][..]),
|
|
("subway", &[doc_char_index(1, 2, 2)][..]),
|
|
]);
|
|
|
|
store.add_synonym(
|
|
"NY",
|
|
SetBuf::from_dirty(vec!["NYC", "new york", "new york city"]),
|
|
);
|
|
store.add_synonym(
|
|
"NYC",
|
|
SetBuf::from_dirty(vec!["NY", "new york", "new york city"]),
|
|
);
|
|
store.add_synonym("subway", SetBuf::from_dirty(vec!["underground train"]));
|
|
|
|
let db = &store.database;
|
|
let reader = db.main_read_txn().unwrap();
|
|
|
|
let builder = store.query_builder();
|
|
let SortResult {documents, .. } = builder.query(&reader, Some("NY subway broken"), 0..20).unwrap();
|
|
let mut iter = documents.into_iter();
|
|
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => {
|
|
let mut iter = matches.into_iter();
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: false, .. })); // new = NY
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: false, .. })); // york = NY
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: false, .. })); // city = NY
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 3, word_index: 4, is_exact: false, .. })); // underground = subway
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 4, word_index: 5, is_exact: false, .. })); // train = subway
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 5, word_index: 6, is_exact: true, .. })); // broken
|
|
assert_matches!(iter.next(), None); // position rewritten ^
|
|
});
|
|
assert_matches!(iter.next(), None);
|
|
|
|
let builder = store.query_builder();
|
|
let SortResult { documents, .. } = builder.query(&reader, Some("NYC subway"), 0..20).unwrap();
|
|
let mut iter = documents.into_iter();
|
|
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => {
|
|
let mut iter = matches.into_iter();
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: true, .. })); // new = NYC
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: true, .. })); // york = NYC
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: true, .. })); // city = NYC
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 3, word_index: 4, is_exact: true, .. })); // underground = subway
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 4, word_index: 5, is_exact: true, .. })); // train = subway
|
|
assert_matches!(iter.next(), None); // position rewritten ^
|
|
});
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => {
|
|
let mut iter = matches.into_iter();
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: false, .. })); // new = NYC
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: false, .. })); // york = NYC
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: false, .. })); // city = NYC
|
|
// because one-word to one-word ^^^^
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 3, word_index: 4, is_exact: false, .. })); // subway = underground
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 4, word_index: 5, is_exact: false, .. })); // subway = train
|
|
assert_matches!(iter.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), None);
|
|
}
|
|
|
|
#[test]
|
|
/// Multi-word has multi-word synonyms
|
|
fn multiword_to_multiword_synonyms() {
|
|
let mut store = TempDatabase::from_iter(vec![
|
|
("NY", &[doc_char_index(0, 0, 0)][..]),
|
|
("subway", &[doc_char_index(0, 1, 1)][..]),
|
|
("NYC", &[doc_char_index(1, 0, 0)][..]),
|
|
("blue", &[doc_char_index(1, 1, 1)][..]),
|
|
("subway", &[doc_char_index(1, 2, 2)][..]),
|
|
("broken", &[doc_char_index(1, 3, 3)][..]),
|
|
("new", &[doc_char_index(2, 0, 0)][..]),
|
|
("york", &[doc_char_index(2, 1, 1)][..]),
|
|
("underground", &[doc_char_index(2, 2, 2)][..]),
|
|
("train", &[doc_char_index(2, 3, 3)][..]),
|
|
("broken", &[doc_char_index(2, 4, 4)][..]),
|
|
]);
|
|
|
|
store.add_synonym(
|
|
"new york",
|
|
SetBuf::from_dirty(vec!["NYC", "NY", "new york city"]),
|
|
);
|
|
store.add_synonym(
|
|
"new york city",
|
|
SetBuf::from_dirty(vec!["NYC", "NY", "new york"]),
|
|
);
|
|
store.add_synonym("underground train", SetBuf::from_dirty(vec!["subway"]));
|
|
|
|
let db = &store.database;
|
|
let reader = db.main_read_txn().unwrap();
|
|
|
|
let builder = store.query_builder();
|
|
let SortResult { documents, .. } = builder
|
|
.query(&reader, Some("new york underground train broken"), 0..20)
|
|
.unwrap();
|
|
let mut iter = documents.into_iter();
|
|
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(2), matches, .. }) => {
|
|
let mut matches = matches.into_iter();
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: false, .. })); // new
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: true, .. })); // new
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: false, .. })); // york
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: true, .. })); // york
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: true, .. })); // city
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 3, word_index: 3, is_exact: true, .. })); // underground
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 4, word_index: 4, is_exact: true, .. })); // train
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 5, word_index: 5, is_exact: true, .. })); // broken
|
|
assert_matches!(matches.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => {
|
|
let mut iter = matches.into_iter();
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: true, .. })); // NYC = new
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: true, .. })); // NYC = york
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: true, .. })); // NYC = city
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 3, word_index: 4, is_exact: true, .. })); // subway = underground
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 4, word_index: 5, is_exact: true, .. })); // subway = train
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 5, word_index: 6, is_exact: true, .. })); // broken
|
|
assert_matches!(iter.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), None);
|
|
|
|
let builder = store.query_builder();
|
|
let SortResult { documents, .. } = builder
|
|
.query(&reader, Some("new york city underground train broken"), 0..20)
|
|
.unwrap();
|
|
let mut iter = documents.into_iter();
|
|
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(2), matches, .. }) => {
|
|
let mut matches = matches.into_iter();
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: false, .. })); // new
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: true, .. })); // new
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: false, .. })); // york
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: true, .. })); // york
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 3, word_index: 2, is_exact: true, .. })); // underground
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 4, word_index: 3, is_exact: true, .. })); // train
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 5, word_index: 4, is_exact: true, .. })); // broken
|
|
assert_matches!(matches.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => {
|
|
let mut iter = matches.into_iter();
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: true, .. })); // NYC = new
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: true, .. })); // NYC = york
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 3, word_index: 3, is_exact: true, .. })); // subway = underground
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 4, word_index: 4, is_exact: true, .. })); // subway = train
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 5, word_index: 5, is_exact: true, .. })); // broken
|
|
assert_matches!(iter.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), None);
|
|
}
|
|
|
|
#[test]
|
|
fn intercrossed_multiword_synonyms() {
|
|
let mut store = TempDatabase::from_iter(vec![
|
|
("new", &[doc_index(0, 0)][..]),
|
|
("york", &[doc_index(0, 1)][..]),
|
|
("big", &[doc_index(0, 2)][..]),
|
|
("city", &[doc_index(0, 3)][..]),
|
|
]);
|
|
|
|
store.add_synonym("new york", SetBuf::from_dirty(vec!["new york city"]));
|
|
store.add_synonym("new york city", SetBuf::from_dirty(vec!["new york"]));
|
|
|
|
let db = &store.database;
|
|
let reader = db.main_read_txn().unwrap();
|
|
|
|
let builder = store.query_builder();
|
|
let SortResult { documents, .. } = builder.query(&reader, Some("new york big "), 0..20).unwrap();
|
|
let mut iter = documents.into_iter();
|
|
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => {
|
|
let mut matches = matches.into_iter();
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: false, .. })); // new
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: true, .. })); // new
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: false, .. })); // york
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: true, .. })); // york
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: true, .. })); // city
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 2, word_index: 4, is_exact: false, .. })); // city
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 3, word_index: 3, is_exact: true, .. })); // big
|
|
assert_matches!(matches.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), None);
|
|
|
|
let mut store = TempDatabase::from_iter(vec![
|
|
("NY", &[doc_index(0, 0)][..]),
|
|
("city", &[doc_index(0, 1)][..]),
|
|
("subway", &[doc_index(0, 2)][..]),
|
|
("NY", &[doc_index(1, 0)][..]),
|
|
("subway", &[doc_index(1, 1)][..]),
|
|
("NY", &[doc_index(2, 0)][..]),
|
|
("york", &[doc_index(2, 1)][..]),
|
|
("city", &[doc_index(2, 2)][..]),
|
|
("subway", &[doc_index(2, 3)][..]),
|
|
]);
|
|
|
|
store.add_synonym("NY", SetBuf::from_dirty(vec!["new york city story"]));
|
|
|
|
let db = &store.database;
|
|
let reader = db.main_read_txn().unwrap();
|
|
|
|
let builder = store.query_builder();
|
|
let SortResult { documents, .. } = builder.query(&reader, Some("NY subway "), 0..20).unwrap();
|
|
let mut iter = documents.into_iter();
|
|
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => {
|
|
let mut matches = matches.into_iter();
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: true, .. })); // new
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: true, .. })); // york
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: false, .. })); // city
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: true, .. })); // city
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 4, word_index: 3, is_exact: true, .. })); // subway
|
|
assert_matches!(matches.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(2), matches, .. }) => {
|
|
let mut matches = matches.into_iter();
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: true, .. })); // new
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: false, .. })); // york
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: true, .. })); // york
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: false, .. })); // city
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: true, .. })); // city
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 4, word_index: 3, is_exact: true, .. })); // subway
|
|
assert_matches!(matches.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => {
|
|
let mut matches = matches.into_iter();
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: true, .. })); // new
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: true, .. })); // york
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: true, .. })); // city
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 3, word_index: 3, is_exact: true, .. })); // story
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 4, word_index: 4, is_exact: true, .. })); // subway
|
|
assert_matches!(matches.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), None);
|
|
}
|
|
|
|
#[test]
|
|
fn cumulative_word_indices() {
|
|
let mut store = TempDatabase::from_iter(vec![
|
|
("NYC", &[doc_index(0, 0)][..]),
|
|
("long", &[doc_index(0, 1)][..]),
|
|
("subway", &[doc_index(0, 2)][..]),
|
|
("cool", &[doc_index(0, 3)][..]),
|
|
]);
|
|
|
|
store.add_synonym("new york city", SetBuf::from_dirty(vec!["NYC"]));
|
|
store.add_synonym("subway", SetBuf::from_dirty(vec!["underground train"]));
|
|
|
|
let db = &store.database;
|
|
let reader = db.main_read_txn().unwrap();
|
|
|
|
let builder = store.query_builder();
|
|
let SortResult { documents, .. } = builder
|
|
.query(&reader, Some("new york city long subway cool "), 0..20)
|
|
.unwrap();
|
|
let mut iter = documents.into_iter();
|
|
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => {
|
|
let mut matches = matches.into_iter();
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: true, .. })); // new = NYC
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: true, .. })); // york = NYC
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: true, .. })); // city = NYC
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 3, word_index: 3, is_exact: true, .. })); // long
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 4, word_index: 4, is_exact: true, .. })); // subway = underground
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 5, word_index: 5, is_exact: true, .. })); // subway = train
|
|
assert_matches!(matches.next(), Some(SimpleMatch { query_index: 6, word_index: 6, is_exact: true, .. })); // cool
|
|
assert_matches!(matches.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), None);
|
|
}
|
|
|
|
#[test]
|
|
fn deunicoded_synonyms() {
|
|
let mut store = TempDatabase::from_iter(vec![
|
|
("telephone", &[doc_index(0, 0)][..]), // meilisearch indexes the unidecoded
|
|
("téléphone", &[doc_index(0, 0)][..]), // and the original words on the same DocIndex
|
|
("iphone", &[doc_index(1, 0)][..]),
|
|
]);
|
|
|
|
store.add_synonym("téléphone", SetBuf::from_dirty(vec!["iphone"]));
|
|
|
|
let db = &store.database;
|
|
let reader = db.main_read_txn().unwrap();
|
|
|
|
let builder = store.query_builder();
|
|
let SortResult { documents, .. } = builder.query(&reader, Some("telephone"), 0..20).unwrap();
|
|
let mut iter = documents.into_iter();
|
|
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => {
|
|
let mut iter = matches.into_iter();
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, .. }));
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, .. }));
|
|
assert_matches!(iter.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => {
|
|
let mut iter = matches.into_iter();
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, .. }));
|
|
assert_matches!(iter.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), None);
|
|
|
|
let builder = store.query_builder();
|
|
let SortResult { documents, .. } = builder.query(&reader, Some("téléphone"), 0..20).unwrap();
|
|
let mut iter = documents.into_iter();
|
|
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => {
|
|
let mut iter = matches.into_iter();
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, .. }));
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, .. }));
|
|
assert_matches!(iter.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => {
|
|
let mut iter = matches.into_iter();
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, .. }));
|
|
assert_matches!(iter.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), None);
|
|
|
|
let builder = store.query_builder();
|
|
let SortResult { documents, .. } = builder.query(&reader, Some("télephone"), 0..20).unwrap();
|
|
let mut iter = documents.into_iter();
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => {
|
|
let mut iter = matches.into_iter();
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, .. }));
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, .. }));
|
|
assert_matches!(iter.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => {
|
|
let mut iter = matches.into_iter();
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, .. }));
|
|
assert_matches!(iter.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), None);
|
|
}
|
|
|
|
#[test]
|
|
fn simple_concatenation() {
|
|
let store = TempDatabase::from_iter(vec![
|
|
("iphone", &[doc_index(0, 0)][..]),
|
|
("case", &[doc_index(0, 1)][..]),
|
|
]);
|
|
|
|
let db = &store.database;
|
|
let reader = db.main_read_txn().unwrap();
|
|
|
|
let builder = store.query_builder();
|
|
let SortResult { documents, .. } = builder.query(&reader, Some("i phone case"), 0..20).unwrap();
|
|
let mut iter = documents.into_iter();
|
|
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => {
|
|
let mut iter = matches.into_iter();
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, distance: 0, .. })); // iphone
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 1, word_index: 1, distance: 0, .. })); // iphone
|
|
// assert_matches!(iter.next(), Some(SimpleMatch { query_index: 1, word_index: 0, distance: 1, .. })); "phone"
|
|
// but no typo on first letter ^^^^^^^
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 2, word_index: 2, distance: 0, .. })); // case
|
|
assert_matches!(iter.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), None);
|
|
}
|
|
|
|
#[test]
|
|
fn exact_field_count_one_word() {
|
|
let store = TempDatabase::from_iter(vec![
|
|
("searchengine", &[doc_index(0, 0)][..]),
|
|
("searchengine", &[doc_index(1, 0)][..]),
|
|
("blue", &[doc_index(1, 1)][..]),
|
|
("searchangine", &[doc_index(2, 0)][..]),
|
|
("searchengine", &[doc_index(3, 0)][..]),
|
|
]);
|
|
|
|
let db = &store.database;
|
|
let reader = db.main_read_txn().unwrap();
|
|
|
|
let builder = store.query_builder();
|
|
let SortResult { documents, .. } = builder.query(&reader, Some("searchengine"), 0..20).unwrap();
|
|
let mut iter = documents.into_iter();
|
|
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => {
|
|
let mut iter = matches.into_iter();
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, distance: 0, .. })); // searchengine
|
|
assert_matches!(iter.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(3), matches, .. }) => {
|
|
let mut iter = matches.into_iter();
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, distance: 0, .. })); // searchengine
|
|
assert_matches!(iter.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => {
|
|
let mut iter = matches.into_iter();
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, distance: 0, .. })); // searchengine
|
|
assert_matches!(iter.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(2), matches, .. }) => {
|
|
let mut iter = matches.into_iter();
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, distance: 1, .. })); // searchengine
|
|
assert_matches!(iter.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), None);
|
|
}
|
|
|
|
#[test]
|
|
fn simple_phrase_query_splitting() {
|
|
let store = TempDatabase::from_iter(vec![
|
|
("search", &[doc_index(0, 0)][..]),
|
|
("engine", &[doc_index(0, 1)][..]),
|
|
("search", &[doc_index(1, 0)][..]),
|
|
("slow", &[doc_index(1, 1)][..]),
|
|
("engine", &[doc_index(1, 2)][..]),
|
|
]);
|
|
|
|
let db = &store.database;
|
|
let reader = db.main_read_txn().unwrap();
|
|
|
|
let builder = store.query_builder();
|
|
let SortResult { documents, .. } = builder.query(&reader, Some("searchengine"), 0..20).unwrap();
|
|
let mut iter = documents.into_iter();
|
|
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => {
|
|
let mut iter = matches.into_iter();
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, distance: 0, .. })); // search
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 1, distance: 0, .. })); // engine
|
|
assert_matches!(iter.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), None);
|
|
}
|
|
|
|
#[test]
|
|
fn harder_phrase_query_splitting() {
|
|
let store = TempDatabase::from_iter(vec![
|
|
("search", &[doc_index(0, 0)][..]),
|
|
("search", &[doc_index(0, 1)][..]),
|
|
("engine", &[doc_index(0, 2)][..]),
|
|
("search", &[doc_index(1, 0)][..]),
|
|
("slow", &[doc_index(1, 1)][..]),
|
|
("search", &[doc_index(1, 2)][..]),
|
|
("engine", &[doc_index(1, 3)][..]),
|
|
("search", &[doc_index(1, 0)][..]),
|
|
("search", &[doc_index(1, 1)][..]),
|
|
("slow", &[doc_index(1, 2)][..]),
|
|
("engine", &[doc_index(1, 3)][..]),
|
|
]);
|
|
|
|
let db = &store.database;
|
|
let reader = db.main_read_txn().unwrap();
|
|
|
|
let builder = store.query_builder();
|
|
let SortResult { documents, .. } = builder.query(&reader, Some("searchengine"), 0..20).unwrap();
|
|
let mut iter = documents.into_iter();
|
|
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => {
|
|
let mut iter = matches.into_iter();
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 1, distance: 0, .. })); // search
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 2, distance: 0, .. })); // engine
|
|
assert_matches!(iter.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => {
|
|
let mut iter = matches.into_iter();
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 2, distance: 0, .. })); // search
|
|
assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 3, distance: 0, .. })); // engine
|
|
assert_matches!(iter.next(), None);
|
|
});
|
|
assert_matches!(iter.next(), None);
|
|
}
|
|
}
|