Add basic server unit tests

tests/conftest.py

@@ -8,6 +8,8 @@ import amanuensis.backend.character as charq
 import amanuensis.backend.lexicon as lexiq
 import amanuensis.backend.membership as memq
 import amanuensis.backend.user as userq
+from amanuensis.config import AmanuensisConfig
+from amanuensis.server import get_app
 
 
 @pytest.fixture
@@ -122,3 +124,16 @@ def lexicon_with_editor(make):
     )
     assert membership
     return (lexicon, editor)
+
+
+class TestConfig(AmanuensisConfig):
+    TESTING = True
+    SECRET_KEY = "secret key"
+    DATABASE_URI = "sqlite:///:memory:"
+
+
+@pytest.fixture
+def app(db):
+    """Provides an application running on top of the test database."""
+    server_app = get_app(TestConfig, db)
+    return server_app

tests/test_server.py

@@ -0,0 +1,13 @@
+from flask import Flask
+
+
+def test_app_testing(app: Flask):
+    """Confirm that the test config loads correctly."""
+    assert app.testing
+
+
+def test_client(app: Flask):
+    """Test that the test client works."""
+    with app.test_client() as client:
+        response = client.get("/")
+        assert b"world" in response.data