test: add comprehensive tests across modules to increase coverage above 60%

Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>

tests/test_views_onedrive.py

@@ -0,0 +1,27 @@
+"""Tests for app/views/onedrive.py module."""
+import pytest
+
+
+@pytest.mark.integration
+class TestOnedriveViews:
+    """Tests for OneDrive view routes."""
+
+    def test_onedrive_setup_page(self, client):
+        """Test the OneDrive setup page."""
+        response = client.get("/onedrive-setup")
+        assert response.status_code == 200
+
+    def test_onedrive_callback_no_code(self, client):
+        """Test the OneDrive OAuth callback without code."""
+        response = client.get("/onedrive-callback", follow_redirects=False)
+        assert response.status_code == 200
+
+    def test_onedrive_callback_with_error(self, client):
+        """Test the OneDrive OAuth callback with error."""
+        response = client.get("/onedrive-callback?error=access_denied")
+        assert response.status_code == 200
+
+    def test_onedrive_callback_with_code(self, client):
+        """Test the OneDrive OAuth callback with auth code."""
+        response = client.get("/onedrive-callback?code=test_code")
+        assert response.status_code == 200