Add REST API blog example with full CRUD and unit tests

examples/rest_api_blog/test_app.py

@@ -0,0 +1,53 @@
+import unittest
+from app import app
+
+class BlogPostTestCase(unittest.TestCase):
+    def setUp(self):
+        self.client = app.test_client()
+        self.sample_post = {"title": "Test Post", "content": "This is a test post"}
+
+    def test_create_post_success(self):
+        response = self.client.post('/api/posts', json=self.sample_post)
+        self.assertEqual(response.status_code, 201)
+
+    def test_create_post_missing_field(self):
+        response = self.client.post('/api/posts', json={"title": "Only title"})
+        self.assertEqual(response.status_code, 400)
+
+    def test_get_all_posts(self):
+        self.client.post('/api/posts', json=self.sample_post)
+        response = self.client.get('/api/posts')
+        self.assertEqual(response.status_code, 200)
+
+    def test_get_single_post_success(self):
+        post_resp = self.client.post('/api/posts', json=self.sample_post)
+        post_id = post_resp.get_json()['id']
+        response = self.client.get(f'/api/posts/{post_id}')
+        self.assertEqual(response.status_code, 200)
+
+    def test_get_single_post_not_found(self):
+        response = self.client.get('/api/posts/999')
+        self.assertEqual(response.status_code, 404)
+
+    def test_update_post_success(self):
+        post_resp = self.client.post('/api/posts', json=self.sample_post)
+        post_id = post_resp.get_json()['id']
+        response = self.client.put(f'/api/posts/{post_id}', json={"title": "Updated"})
+        self.assertEqual(response.status_code, 200)
+
+    def test_update_post_not_found(self):
+        response = self.client.put('/api/posts/999', json={"title": "Nothing"})
+        self.assertEqual(response.status_code, 404)
+
+    def test_delete_post_success(self):
+        post_resp = self.client.post('/api/posts', json=self.sample_post)
+        post_id = post_resp.get_json()['id']
+        response = self.client.delete(f'/api/posts/{post_id}')
+        self.assertEqual(response.status_code, 204)
+
+    def test_delete_post_not_found(self):
+        response = self.client.delete('/api/posts/999')
+        self.assertEqual(response.status_code, 404)
+
+if __name__ == '__main__':
+    unittest.main()