Add pytest tests

blogexample/tests/test_routes.py

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+import pytest
+# import blogexample
+from blogexample.app import create_app,db
+from blogexample.blueprints.blog.models import Post
+
+@pytest.fixture
+def client():
+    app = create_app('testing')
+    with app.test_client() as client:
+        with app.app_context():
+            db.create_all()
+            yield client
+            db.session.remove()
+            db.drop_all()
+
+def test_index_page(client):
+    # Test the index page
+    response = client.get('/')
+    assert response.status_code == 200
+    assert b'Welcome to the Blog' in response.data
+
+def test_create_post(client):
+    # Test creating a new post
+    response = client.post('/new', data=dict(
+        title='Test Post',
+        body='This is a test post.'
+    ), follow_redirects=True)
+
+    assert response.status_code == 200
+    assert b'Test Post' in response.data
+    assert b'This is a test post.' in response.data
+
+def test_view_post(client):
+    # Test viewing a post
+    post = Post(title='Another Test Post', body='Another test post body.')
+    db.session.add(post)
+    db.session.commit()
+
+    response = client.get(f'/post/{post.id}')
+    assert response.status_code == 200
+    assert b'Another Test Post' in response.data
+    assert b'Another test post body.' in response.data

pytest.ini

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+[pytest]
+testpaths = tests
+python_paths = .