mirror of
https://github.com/meilisearch/MeiliSearch
synced 2024-11-29 16:24:26 +01:00
Changes to prompt
This commit is contained in:
parent
de962a26f3
commit
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@ -6,6 +6,7 @@ mod template_checker;
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use std::collections::BTreeMap;
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use std::collections::BTreeMap;
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use std::convert::TryFrom;
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use std::convert::TryFrom;
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use std::num::NonZeroUsize;
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use std::ops::Deref;
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use std::ops::Deref;
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use error::{NewPromptError, RenderPromptError};
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use error::{NewPromptError, RenderPromptError};
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@ -18,16 +19,18 @@ use crate::{FieldId, FieldsIdsMap};
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pub struct Prompt {
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pub struct Prompt {
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template: liquid::Template,
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template: liquid::Template,
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template_text: String,
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template_text: String,
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max_bytes: Option<NonZeroUsize>,
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}
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}
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#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
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#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
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pub struct PromptData {
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pub struct PromptData {
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pub template: String,
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pub template: String,
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pub max_bytes: Option<NonZeroUsize>,
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}
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}
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impl From<Prompt> for PromptData {
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impl From<Prompt> for PromptData {
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fn from(value: Prompt) -> Self {
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fn from(value: Prompt) -> Self {
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Self { template: value.template_text }
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Self { template: value.template_text, max_bytes: value.max_bytes }
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}
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}
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}
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}
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@ -35,14 +38,18 @@ impl TryFrom<PromptData> for Prompt {
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type Error = NewPromptError;
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type Error = NewPromptError;
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fn try_from(value: PromptData) -> Result<Self, Self::Error> {
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fn try_from(value: PromptData) -> Result<Self, Self::Error> {
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Prompt::new(value.template)
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Prompt::new(value.template, value.max_bytes)
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}
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}
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}
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}
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impl Clone for Prompt {
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impl Clone for Prompt {
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fn clone(&self) -> Self {
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fn clone(&self) -> Self {
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let template_text = self.template_text.clone();
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let template_text = self.template_text.clone();
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Self { template: new_template(&template_text).unwrap(), template_text }
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Self {
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template: new_template(&template_text).unwrap(),
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template_text,
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max_bytes: self.max_bytes,
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}
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}
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}
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}
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}
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@ -62,20 +69,28 @@ fn default_template_text() -> &'static str {
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{% endfor %}"
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{% endfor %}"
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}
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}
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pub fn default_max_bytes() -> NonZeroUsize {
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NonZeroUsize::new(400).unwrap()
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}
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impl Default for Prompt {
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impl Default for Prompt {
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fn default() -> Self {
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fn default() -> Self {
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Self { template: default_template(), template_text: default_template_text().into() }
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Self {
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template: default_template(),
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template_text: default_template_text().into(),
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max_bytes: Some(default_max_bytes()),
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}
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}
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}
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}
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}
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impl Default for PromptData {
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impl Default for PromptData {
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fn default() -> Self {
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fn default() -> Self {
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Self { template: default_template_text().into() }
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Self { template: default_template_text().into(), max_bytes: Some(default_max_bytes()) }
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}
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}
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}
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}
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impl Prompt {
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impl Prompt {
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pub fn new(template: String) -> Result<Self, NewPromptError> {
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pub fn new(template: String, max_bytes: Option<NonZeroUsize>) -> Result<Self, NewPromptError> {
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let this = Self {
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let this = Self {
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template: liquid::ParserBuilder::with_stdlib()
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template: liquid::ParserBuilder::with_stdlib()
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.build()
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.build()
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@ -83,6 +98,7 @@ impl Prompt {
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.parse(&template)
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.parse(&template)
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.map_err(NewPromptError::cannot_parse_template)?,
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.map_err(NewPromptError::cannot_parse_template)?,
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template_text: template,
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template_text: template,
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max_bytes,
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};
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};
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// render template with special object that's OK with `doc.*` and `fields.*`
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// render template with special object that's OK with `doc.*` and `fields.*`
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@ -102,7 +118,24 @@ impl Prompt {
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let document = Document::new(document, side, field_id_map);
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let document = Document::new(document, side, field_id_map);
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let context = Context::new(&document, field_id_map);
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let context = Context::new(&document, field_id_map);
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self.template.render(&context).map_err(RenderPromptError::missing_context)
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let mut rendered =
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self.template.render(&context).map_err(RenderPromptError::missing_context)?;
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if let Some(max_bytes) = self.max_bytes {
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truncate(&mut rendered, max_bytes.get());
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}
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Ok(rendered)
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}
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}
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fn truncate(s: &mut String, max_bytes: usize) {
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if max_bytes >= s.len() {
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return;
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}
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for i in (0..=max_bytes).rev() {
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if s.is_char_boundary(i) {
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s.truncate(i);
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break;
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}
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}
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}
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}
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}
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@ -145,6 +178,7 @@ mod test {
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use super::Prompt;
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use super::Prompt;
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use crate::error::FaultSource;
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use crate::error::FaultSource;
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use crate::prompt::error::{NewPromptError, NewPromptErrorKind};
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use crate::prompt::error::{NewPromptError, NewPromptErrorKind};
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use crate::prompt::truncate;
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#[test]
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#[test]
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fn default_template() {
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fn default_template() {
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@ -154,18 +188,18 @@ mod test {
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#[test]
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#[test]
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fn empty_template() {
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fn empty_template() {
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Prompt::new("".into()).unwrap();
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Prompt::new("".into(), None).unwrap();
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}
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}
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#[test]
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#[test]
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fn template_ok() {
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fn template_ok() {
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Prompt::new("{{doc.title}}: {{doc.overview}}".into()).unwrap();
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Prompt::new("{{doc.title}}: {{doc.overview}}".into(), None).unwrap();
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}
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}
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#[test]
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#[test]
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fn template_syntax() {
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fn template_syntax() {
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assert!(matches!(
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assert!(matches!(
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Prompt::new("{{doc.title: {{doc.overview}}".into()),
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Prompt::new("{{doc.title: {{doc.overview}}".into(), None),
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Err(NewPromptError {
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Err(NewPromptError {
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kind: NewPromptErrorKind::CannotParseTemplate(_),
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kind: NewPromptErrorKind::CannotParseTemplate(_),
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fault: FaultSource::User
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fault: FaultSource::User
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@ -176,7 +210,7 @@ mod test {
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#[test]
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#[test]
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fn template_missing_doc() {
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fn template_missing_doc() {
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assert!(matches!(
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assert!(matches!(
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Prompt::new("{{title}}: {{overview}}".into()),
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Prompt::new("{{title}}: {{overview}}".into(), None),
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Err(NewPromptError {
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Err(NewPromptError {
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kind: NewPromptErrorKind::InvalidFieldsInTemplate(_),
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kind: NewPromptErrorKind::InvalidFieldsInTemplate(_),
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fault: FaultSource::User
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fault: FaultSource::User
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@ -186,17 +220,20 @@ mod test {
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#[test]
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#[test]
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fn template_nested_doc() {
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fn template_nested_doc() {
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Prompt::new("{{doc.actor.firstName}}: {{doc.actor.lastName}}".into()).unwrap();
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Prompt::new("{{doc.actor.firstName}}: {{doc.actor.lastName}}".into(), None).unwrap();
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}
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}
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#[test]
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#[test]
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fn template_fields() {
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fn template_fields() {
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Prompt::new("{% for field in fields %}{{field}}{% endfor %}".into()).unwrap();
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Prompt::new("{% for field in fields %}{{field}}{% endfor %}".into(), None).unwrap();
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}
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}
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#[test]
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#[test]
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fn template_fields_ok() {
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fn template_fields_ok() {
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Prompt::new("{% for field in fields %}{{field.name}}: {{field.value}}{% endfor %}".into())
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Prompt::new(
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"{% for field in fields %}{{field.name}}: {{field.value}}{% endfor %}".into(),
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None,
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)
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.unwrap();
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.unwrap();
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}
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}
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@ -204,11 +241,41 @@ mod test {
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fn template_fields_invalid() {
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fn template_fields_invalid() {
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assert!(matches!(
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assert!(matches!(
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// intentionally garbled field
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// intentionally garbled field
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Prompt::new("{% for field in fields %}{{field.vaelu}} {% endfor %}".into()),
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Prompt::new("{% for field in fields %}{{field.vaelu}} {% endfor %}".into(), None),
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Err(NewPromptError {
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Err(NewPromptError {
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kind: NewPromptErrorKind::InvalidFieldsInTemplate(_),
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kind: NewPromptErrorKind::InvalidFieldsInTemplate(_),
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fault: FaultSource::User
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fault: FaultSource::User
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})
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})
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));
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));
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}
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}
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// todo: test truncation
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#[test]
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fn template_truncation() {
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let mut s = "インテル ザー ビーグル".to_string();
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truncate(&mut s, 42);
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assert_eq!(s, "インテル ザー ビーグル");
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assert_eq!(s.len(), 32);
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truncate(&mut s, 32);
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assert_eq!(s, "インテル ザー ビーグル");
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truncate(&mut s, 31);
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assert_eq!(s, "インテル ザー ビーグ");
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truncate(&mut s, 30);
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assert_eq!(s, "インテル ザー ビーグ");
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truncate(&mut s, 28);
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assert_eq!(s, "インテル ザー ビー");
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truncate(&mut s, 26);
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assert_eq!(s, "インテル ザー ビー");
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truncate(&mut s, 25);
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assert_eq!(s, "インテル ザー ビ");
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assert_eq!("イ".len(), 3);
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truncate(&mut s, 3);
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assert_eq!(s, "イ");
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truncate(&mut s, 2);
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assert_eq!(s, "");
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}
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}
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}
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