initial commit

backend/tests/test_main.py

@@ -0,0 +1,22 @@
+import pytest
+from fastapi.testclient import TestClient
+
+from app import app
+
+
+@pytest.fixture
+def client():
+    with TestClient(app) as client:
+        yield client
+
+
+def test_home_route(client):
+    response = client.get("/")
+    assert response.status_code == 200
+    assert response.json() == {"message": "Hello"}
+
+
+def test_about_route(client):
+    response = client.get("/about")
+    assert response.status_code == 200
+    assert response.json() == {"message": "This is the about page."}

backend/tests/test_settings.py

@@ -0,0 +1,45 @@
+from pathlib import Path
+
+import pytest
+
+from settings import load_settings
+
+
+def test_default_settings(monkeypatch: pytest.MonkeyPatch) -> None:
+    monkeypatch.delenv("CONFIG_FILE", raising=False)
+    for k in ("HOST", "PORT", "WORKERS", "LOG_LEVEL"):
+        monkeypatch.delenv(k, raising=False)
+
+    s = load_settings()
+    assert s.host == "0.0.0.0"  # noqa: S104
+    assert s.port == 8000  # noqa: PLR2004
+    assert s.workers == 1
+    assert s.log_level == "info"
+
+
+def test_env_overrides(monkeypatch: pytest.MonkeyPatch) -> None:
+    monkeypatch.setenv("HOST", "127.0.0.1")
+    monkeypatch.setenv("PORT", "9000")
+    monkeypatch.setenv("WORKERS", "3")
+    monkeypatch.setenv("LOG_LEVEL", "debug")
+    monkeypatch.delenv("CONFIG_FILE", raising=False)
+
+    s = load_settings()
+    assert s.host == "127.0.0.1"
+    assert s.port == 9000  # noqa: PLR2004
+    assert s.workers == 3  # noqa: PLR2004
+    assert s.log_level == "debug"
+
+
+def test_yaml_config_file(tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
+    cfg = tmp_path / "config.yaml"
+    cfg.write_text("host: 10.0.0.5\nport: 8088\nworkers: 5\nlog_level: debug\n")
+    monkeypatch.setenv("CONFIG_FILE", str(cfg))
+    for k in ("HOST", "PORT", "WORKERS", "LOG_LEVEL"):
+        monkeypatch.delenv(k, raising=False)
+
+    s = load_settings()
+    assert s.host == "10.0.0.5"
+    assert s.port == 8088  # noqa: PLR2004
+    assert s.workers == 5  # noqa: PLR2004
+    assert s.log_level == "debug"