feat: add working tests

tests/conftest.py

@@ -1,8 +1,61 @@
+import pytest
 import pytest_asyncio
+from sqlalchemy import text, delete
+
+from foxnouns.db import Base
+from foxnouns.settings import DATABASE
+
+
+# Override the database name to the testing database
+DATABASE["NAME"] = f"{DATABASE['NAME']}_test"
+
+
+def pytest_collection_modifyitems(items):
+    """Ensure that all async tests use the same event loop."""
+
+    pytest_asyncio_tests = (
+        item for item in items if pytest_asyncio.is_async_test(item)
+    )
+    session_scope_marker = pytest.mark.asyncio(scope="session")
+    for async_test in pytest_asyncio_tests:
+        async_test.add_marker(session_scope_marker, append=False)
+
+
+@pytest.fixture(scope="session", autouse=True)
+def setup():
+    """Migrate the testing database to the latest migration, and once the tests complete, clear the database again."""
+
+    from foxnouns.db.sync import engine
+    from alembic import command, config
+
+    cfg = config.Config("alembic.ini")
+    cfg.attributes["connection"] = engine.connect()
+    command.upgrade(cfg, "head")
+
+    yield
+
+    with engine.begin() as session:
+        Base.metadata.drop_all(session)
+        session.execute(text("DROP TABLE alembic_version"))
+        session.commit()
+
+
+@pytest.fixture(scope="function", autouse=True)
+def clean_tables_after_tests():
+    """Clean tables after every test."""
+
+    yield
+
+    from foxnouns.db.sync import engine
+
+    with engine.begin() as session:
+        for table in reversed(Base.metadata.sorted_tables):
+            session.execute(delete(table))
+        session.commit()
 
 
 @pytest_asyncio.fixture(scope="session", autouse=True)
-async def setup():
-    print("hello from setup!")
-    yield
-    print("bye from setup!")
+async def app():
+    from foxnouns.app import app
+
+    return app

tests/test_hello.py

@@ -1,8 +0,0 @@
-import pytest
-
-from foxnouns import hello
-
-
-@pytest.mark.asyncio
-async def test_hello():
-    assert (await hello()) == "Hello world!"

tests/test_users.py

@@ -0,0 +1,13 @@
+import pytest
+from quart import Quart
+
+
+@pytest.mark.asyncio
+class TestUsers:
+    async def test_get_me_returns_403_if_unauthenticated(self, app: Quart):
+        resp = await app.test_client().get("/api/v2/users/@me")
+        assert resp.status_code == 403
+
+    async def test_get_users_returns_404_if_user_not_found(self, app: Quart):
+        resp = await app.test_client().get("/api/v2/users/unknown_user")
+        assert resp.status_code == 404