Add basic tests

Author: alukach

.github/workflows/cicd.yaml

@@ -9,3 +9,19 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v3
       - uses: pre-commit/[email protected]
+  
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v3
+      
+      - name: Install uv
+        uses: astral-sh/setup-uv@v4
+        with:
+          enable-cache: true
+
+      - name: Run tests
+        run: |
+          uv run pytest

tests/conftest.py

@@ -0,0 +1,50 @@
+"""Pytest fixtures."""
+
+import threading
+
+import pytest
+import uvicorn
+from fastapi import FastAPI
+
+from stac_auth_proxy import Settings, create_app
+
+
+@pytest.fixture(scope="session")
+def source_api():
+    """Create upstream API for testing purposes."""
+    app = FastAPI()
+
+    @app.get("/")
+    def read_root():
+        return {"message": "Hello from source API"}
+
+    @app.get("/items/{item_id}")
+    def read_item(item_id: int):
+        return {"item_id": item_id}
+
+    return app
+
+
+@pytest.fixture(scope="session")
+def source_api_server(source_api):
+    """Run the source API in a background thread."""
+    host, port = "127.0.0.1", 8000
+    server = uvicorn.Server(
+        uvicorn.Config(
+            source_api,
+            host=host,
+            port=port,
+        )
+    )
+    thread = threading.Thread(target=server.run)
+    thread.start()
+    yield f"http://{host}:{port}"
+    server.should_exit = True
+    thread.join()
+
+
+@pytest.fixture
+def proxy_app(source_api_server: str) -> FastAPI:
+    """Fixture for the proxy app, pointing to the source API."""
+    test_app_settings = Settings(upstream_url=source_api_server, default_public=False)
+    return create_app(test_app_settings)

tests/test_proxy.py

@@ -0,0 +1,17 @@
+from fastapi.testclient import TestClient
+
+
+def test_auth_applied(proxy_app):
+    """Verify authentication is applied."""
+    client = TestClient(proxy_app)
+    response = client.get("/")
+    assert response.status_code == 403, "Expect unauthorized without auth header"
+
+
+def test_correct_auth_header(proxy_app):
+    """Verify content is returned when correct auth header is provided."""
+    client = TestClient(proxy_app)
+    headers = {"Authorization": "Bearer correct_token"}
+    response = client.get("/", headers=headers)
+    assert response.status_code == 200
+    assert response.json() == {"message": "Hello from source API"}