From 764058f4eba6ec95978251dc484ac3816ff0fb89 Mon Sep 17 00:00:00 2001
From: Rudolf Braun <48672663+BraunRudolf@users.noreply.github.com>
Date: Wed, 9 Oct 2024 08:56:18 +0200
Subject: [PATCH] Add Test + Fixtures test+fixtures successful
 login_for_access_token

---
 backend-app/tests/unit/conftest.py  | 12 ++++++++++-
 backend-app/tests/unit/test_auth.py | 33 +++++++++++++++++++++++++++++
 2 files changed, 44 insertions(+), 1 deletion(-)

diff --git a/backend-app/tests/unit/conftest.py b/backend-app/tests/unit/conftest.py
index 0110bcf1..0bba690a 100644
--- a/backend-app/tests/unit/conftest.py
+++ b/backend-app/tests/unit/conftest.py
@@ -1,5 +1,5 @@
 from io import BytesIO
-from unittest.mock import MagicMock, patch
+from unittest.mock import MagicMock
 
 import pandas as pd
 import pytest
@@ -319,3 +319,13 @@ def valid_token(valid_token_payload):
 def mock_jwt_decode(valid_token_payload):
     """Mock jwt.decode to return a valid payload."""
     return MagicMock(return_value=valid_token_payload)
+
+
+@pytest.fixture
+def mock_authenticate_user(mock_get_user_by_email_success):
+    return MagicMock(return_value=mock_get_user_by_email_success)
+
+
+@pytest.fixture
+def mock_create_access_token_valid_token(valid_token):
+    return MagicMock(return_value=valid_token)
diff --git a/backend-app/tests/unit/test_auth.py b/backend-app/tests/unit/test_auth.py
index f8dd4d65..f523d2e3 100644
--- a/backend-app/tests/unit/test_auth.py
+++ b/backend-app/tests/unit/test_auth.py
@@ -280,3 +280,36 @@ def test_health_check_wrong_url(client):
     # Wrong URL
     response = client.get("/wrong-url")
     assert response.status_code == 404  # Not Found
+
+
+def test_successful_login(
+    client,
+    mock_authenticate_user,
+    mock_create_access_token_valid_token,
+    valid_token,
+    db,
+    monkeypatch,
+):
+
+    monkeypatch.setattr("app.api.auth.authenticate_user", mock_authenticate_user)
+    monkeypatch.setattr("app.api.auth.create_access_token", mock_create_access_token_valid_token)
+
+    # Prepare the data as if it is coming from OAuth2PasswordRequestForm
+    login_data = {"username": "user1@example.com", "password": "test1fake_hash"}
+
+    # Send a POST request to the /token endpoint
+    response = client.post("/token", data=login_data)
+
+    # Assert that the status code is 200 OK
+    assert response.status_code == 200
+
+    # Assert that the response JSON contains the correct token
+    expected_response = {
+        "access_token": valid_token,
+        "token_type": "bearer",
+        "message": "Welcome!",
+    }
+    assert response.json() == expected_response
+
+    # # Ensure the authenticate_user was called with correct arguments
+    mock_authenticate_user.assert_called_once_with("user1@example.com", "test1fake_hash", db=db)