Added services and base tests

README.md

@@ -1,2 +1,3 @@
 # apitesting
 
+A sample project illustrating how to write tests against nd external APIa

apitesting/__init__.py

@@ -0,0 +1 @@
+BASE_URL = 'http://jsonplaceholder.typicode.com'

apitesting/services.py

@@ -0,0 +1,16 @@
+from urllib.parse import urljoin
+
+import requests
+
+from apitesting import BASE_URL
+
+TODOS_URL = urljoin(BASE_URL, 'todos')
+
+
+def get_todos():
+    """Returns a list of JSON todo elements"""
+    response = requests.get(TODOS_URL)
+    if response.ok:
+        return response
+    else:
+        return None

tests/test_todos.py

@@ -0,0 +1,39 @@
+from unittest.mock import Mock, patch
+import pytest
+
+from apitesting.services import get_todos
+
+
+def test_request_response():
+    with patch('apitesting.services.requests.get') as mock_get:
+        mock_get.return_value.ok = True
+        response = get_todos()
+
+    assert response is not None
+
+
+def test_getting_todos_when_response_is_ok():
+    todos = [{
+        'userId': 1,
+        'id': 1,
+        'title': 'Make the bed',
+        'completed': False
+    }]
+
+    with patch('apitesting.services.requests.get') as mock_get:
+        mock_get.return_value.ok = True
+        mock_get.return_value.json.return_value = todos
+
+        response = get_todos()
+
+    assert response is not None
+    assert response.json() == todos
+
+
+def testing_getting_todos_when_response_is_not_ok():
+    with patch('apitesting.services.requests.get') as mock_get:
+        mock_get.return_value.ok = False
+
+        response = get_todos()
+
+    assert response is None