feat(all): Task store

implements:
https://github.com/meilisearch/specifications/blob/develop/text/0060-refashion-updates-apis.md

linked PR:

- #1889
- #1891
- #1892
- #1902
- #1906
- #1911
- #1914
- #1915
- #1916
- #1918
- #1924
- #1925
- #1926
- #1930
- #1936
- #1937
- #1942
- #1944
- #1945
- #1946
- #1947
- #1950
- #1951
- #1957
- #1959
- #1960
- #1961
- #1962
- #1964

- https://github.com/meilisearch/milli/pull/414
- https://github.com/meilisearch/milli/pull/409
- https://github.com/meilisearch/milli/pull/406
- https://github.com/meilisearch/milli/pull/418

- close #1687
- close #1786
- close #1940
- close #1948
- close #1949
- close #1932
- close #1956

meilisearch-http/tests/index/get_index.rs

@@ -8,7 +8,9 @@ async fn create_and_get_index() {
     let index = server.index("test");
     let (_, code) = index.create(None).await;
 
-    assert_eq!(code, 201);
+    assert_eq!(code, 202);
+
+    index.wait_task(0).await;
 
     let (response, code) = index.get().await;
 
@@ -55,6 +57,8 @@ async fn list_multiple_indexes() {
     server.index("test").create(None).await;
     server.index("test1").create(Some("key")).await;
 
+    server.index("test").wait_task(1).await;
+
     let (response, code) = server.list_indexes().await;
     assert_eq!(code, 200);
     assert!(response.is_array());
@@ -67,3 +71,22 @@ async fn list_multiple_indexes() {
         .iter()
         .any(|entry| entry["uid"] == "test1" && entry["primaryKey"] == "key"));
 }
+
+#[actix_rt::test]
+async fn get_invalid_index_uid() {
+    let server = Server::new().await;
+    let index = server.index("this is not a valid index name");
+    let (response, code) = index.get().await;
+
+    assert_eq!(code, 404);
+    assert_eq!(
+        response,
+        json!(
+        {
+        "message": "Index `this is not a valid index name` not found.",
+        "code": "index_not_found",
+        "type": "invalid_request",
+        "link": "https://docs.meilisearch.com/errors#index_not_found"
+            })
+    );
+}