Removed cql2-text in supported filter-lang for FilterExtensionPostRequest model (#755)

* Removed `cql2-text` in supported `filter-lang` for `FilterExtensionPostRequest` model

* update tests

Author: vincentsarago

CHANGES.md

@@ -2,6 +2,10 @@
 
 ## [Unreleased]
 
+### Removed
+
+* Removed `cql2-text` in supported `filter-lang` for `FilterExtensionPostRequest` model (as per specification)
+
 ## [3.0.2] - 2024-09-20
 
 ### Added

stac_fastapi/api/tests/test_app.py

@@ -191,7 +191,7 @@ def get_search(
                 "collections": ["test"],
                 "filter": {},
                 "filter-crs": "EPSG:4326",
-                "filter-lang": "cql2-text",
+                "filter-lang": "cql2-json",
             },
         )
 

stac_fastapi/api/tests/test_models.py

@@ -63,7 +63,7 @@ def route(model=Depends(request_model)):
 
 @pytest.mark.parametrize(
     "filter,passes",
-    [(None, True), ({"test": "test"}, True), ("test==test", False), ([], False)],
+    [(None, True), ({"test": "test"}, True), ([], False)],
 )
 def test_create_post_request_model(filter, passes):
     request_model = create_post_request_model(
@@ -82,7 +82,7 @@ def test_create_post_request_model(filter, passes):
             datetime="2020-01-01T00:00:00Z",
             limit=10,
             filter=filter,
-            **{"filter-crs": "epsg:4326", "filter-lang": "cql2-text"},
+            **{"filter-crs": "epsg:4326", "filter-lang": "cql2-json"},
         )
 
         assert model.collections == ["test1", "test2"]

stac_fastapi/extensions/stac_fastapi/extensions/core/filter/request.py

@@ -70,7 +70,7 @@ class FilterExtensionPostRequest(BaseModel):
         default=None,
         description="The coordinate reference system (CRS) used by spatial literals in the 'filter' value. Default is `http://www.opengis.net/def/crs/OGC/1.3/CRS84`",  # noqa: E501
     )
-    filter_lang: Optional[FilterLang] = Field(
+    filter_lang: Optional[Literal["cql-json", "cql2-json"]] = Field(
         alias="filter-lang",
         default="cql2-json",
         description="The CQL filter encoding that the 'filter' value uses.",

stac_fastapi/extensions/tests/test_filter.py

@@ -62,12 +62,12 @@ def test_search_filter_post_filter_lang_default(client: TestClient):
 
 def test_search_filter_post_filter_lang_non_default(client: TestClient):
     """Test search POST endpoint with filter ext."""
-    filter_lang_value = "cql2-text"
+    filter_lang_value = "cql-json"
     response = client.post(
         "/search",
         json={
             "collections": ["test"],
-            "filter": {"op": "=", "args": [{"property": "test_property"}, "test-value"]},
+            "filter": {"eq": [{"property": "test_property"}, "test-value"]},
             "filter-lang": filter_lang_value,
         },
     )