preliminary tests for error handling

Author: saichandrapandraju

tests/detectors/builtIn/test_filetype.py

@@ -323,4 +323,40 @@ def test_empty_detector_params(self, client: TestClient):
         resp = client.post("/api/v1/text/contents", json=payload)
         assert resp.status_code == 200
         # Should return empty list since no detectors are specified
-        assert resp.json()[0] == []
+        assert resp.json()[0] == []
+    
+    def test_multiple_invalid_file_types(self, client: TestClient):
+        """Test multiple invalid file types to ensure all errors are handled"""
+        payload = {
+            "contents": ['test content'],
+            "detector_params": {"file_type": ["invalid_type_1", "invalid_type_2"]}
+        }
+        resp = client.post("/api/v1/text/contents", json=payload)
+        assert resp.status_code == 400
+        data = resp.json()
+        assert "message" in data
+        assert "Unrecognized file type" in data["message"]
+
+    def test_mixed_valid_invalid_file_types(self, client: TestClient):
+        """Test mixing valid and invalid file types"""
+        payload = {
+            "contents": ['{a: 1, b: 2}'],
+            "detector_params": {"file_type": ["json", "invalid_type"]}
+        }
+        resp = client.post("/api/v1/text/contents", json=payload)
+        assert resp.status_code == 400
+        data = resp.json()
+        assert "message" in data
+        assert "Unrecognized file type" in data["message"]
+    
+    def test_case_sensitivity_file_types(self, client: TestClient):
+        """Test case sensitivity of file types"""
+        payload = {
+            "contents": ['{"a": 1}'],
+            "detector_params": {"file_type": ["JSON"]}  # uppercase
+        }
+        resp = client.post("/api/v1/text/contents", json=payload)
+        assert resp.status_code == 400
+        data = resp.json()
+        assert "message" in data
+        assert "Unrecognized file type" in data["message"]

tests/detectors/builtIn/test_regex.py

@@ -236,3 +236,21 @@ def test_empty_detector_params(self, client):
         # Should return empty list since no detectors are specified
         assert resp.json()[0] == []
 
+    def test_null_regex_pattern(self, client):
+        """Test with null regex pattern"""
+        payload = {
+            "contents": ["[email protected]"],
+            "detector_params": {"regex": [None]}
+        }
+        resp = client.post("/api/v1/text/contents", json=payload)
+        assert resp.status_code == 500  # Should cause an error when processing None
+
+    def test_malformed_regex_groups(self, client):
+        """Test malformed regex with unmatched groups"""
+        payload = {
+            "contents": ["test content"],
+            "detector_params": {"regex": ["(unclosed group"]}
+        }
+        resp = client.post("/api/v1/text/contents", json=payload)
+        assert resp.status_code == 500  # Should cause regex compilation error
+