Start foundations

tests/test_router.py

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+from starlette import status
+from starlette.testclient import TestClient
+import pytest
+
+
+@pytest.fixture
+def test_app_client() -> TestClient:
+    from fastapi import FastAPI
+    from fastapi_users.router import router
+
+    app = FastAPI()
+    app.include_router(router)
+
+    return TestClient(app)
+
+
+def test_register_empty_body(test_app_client: TestClient):
+    response = test_app_client.post('/register', json={})
+    assert response.status_code == status.HTTP_422_UNPROCESSABLE_ENTITY
+
+
+def test_register_missing_password(test_app_client: TestClient):
+    json = {
+        'email': 'king.arthur@camelot.bt',
+    }
+    response = test_app_client.post('/register', json=json)
+    assert response.status_code == status.HTTP_422_UNPROCESSABLE_ENTITY
+
+
+def test_register_wrong_email(test_app_client: TestClient):
+    json = {
+        'email': 'king.arthur',
+        'password': 'guinevere',
+    }
+    response = test_app_client.post('/register', json=json)
+    assert response.status_code == status.HTTP_422_UNPROCESSABLE_ENTITY
+
+
+def test_register_valid_body(test_app_client: TestClient):
+    json = {
+        'email': 'king.arthur@camelot.bt',
+        'password': 'guinevere',
+    }
+    response = test_app_client.post('/register', json=json)
+    assert response.status_code == status.HTTP_200_OK