added coverage tests

Author: CosmoV

tests/test_fastapi_jsonapi/__init__.py

@@ -0,0 +1,92 @@
+import json
+from unittest.mock import MagicMock
+
+import pytest
+from fastapi import status
+from starlette.datastructures import QueryParams
+
+from fastapi_jsonapi.exceptions import InvalidFilters
+from fastapi_jsonapi.exceptions.json_api import BadRequest
+from fastapi_jsonapi.querystring import QueryStringManager
+
+
+def test__extract_item_key():
+    manager = QueryStringManager(MagicMock())
+
+    key = "fields[user]"
+    assert manager._extract_item_key(key) == "user"
+
+    with pytest.raises(BadRequest) as exc_info:  # noqa: PT012
+        key = "fields[user"
+        manager._extract_item_key(key)
+
+    assert exc_info.value.status_code == status.HTTP_400_BAD_REQUEST
+    assert exc_info.value.detail == {
+        "errors": [
+            {
+                "status_code": status.HTTP_400_BAD_REQUEST,
+                "source": {"parameter": "fields[user"},
+                "title": "Bad Request",
+                "detail": "Parse error",
+            },
+        ],
+    }
+
+
+def test_querystring():
+    request = MagicMock()
+    request.query_params = QueryParams([("fields[user]", "name")])
+    manager = QueryStringManager(request)
+    assert manager.querystring == {"fields[user]": "name"}
+
+
+def test_filters__errors():
+    request = MagicMock()
+    request.query_params = QueryParams([("filter", "not_json")])
+    manager = QueryStringManager(request)
+
+    with pytest.raises(InvalidFilters) as exc_info:
+        manager.filters
+
+    assert exc_info.value.status_code == status.HTTP_400_BAD_REQUEST
+    assert exc_info.value.detail == {
+        "errors": [
+            {
+                "status_code": status.HTTP_400_BAD_REQUEST,
+                "source": {"parameter": "filters"},
+                "title": "Invalid filters querystring parameter.",
+                "detail": "Parse error",
+            },
+        ],
+    }
+
+    request.query_params = QueryParams(
+        [
+            (
+                "filter",
+                json.dumps(
+                    {
+                        "name": "",
+                        "op": "",
+                        "val": "",
+                    },
+                ),
+            ),
+        ],
+    )
+    manager = QueryStringManager(request)
+
+    with pytest.raises(InvalidFilters) as exc_info:
+        manager.filters
+
+    assert exc_info.value.status_code == status.HTTP_400_BAD_REQUEST
+    assert exc_info.value.detail == {
+        "errors": [
+            {
+                "status_code": status.HTTP_400_BAD_REQUEST,
+                "source": {"parameter": "filters"},
+                "title": "Invalid filters querystring parameter.",
+                "detail": "Incorrect filters format, expected list of conditions but got dict",
+            },
+        ],
+    }