done: Test Coverage

tests/test_blog.py

@@ -0,0 +1,93 @@
+import pytest
+from flaskr.db import get_db
+
+
+def test_index(client, auth):
+    response = client.get('/')
+    assert b"Log In" in response.data
+    assert b"Register" in response.data
+
+    auth.login()
+    response = client.get('/')
+    assert b'Log Out' in response.data
+    assert b'test title' in response.data
+    assert b'by test on 2018-01-01' in response.data
+    assert b'test\nbody' in response.data
+    assert b'href="/1/update"' in response.data
+
+
+@pytest.mark.parametrize('path', (
+        '/create',
+        '/1/update',
+        '/1/delete',
+))
+def test_login_required(client, path):
+    response = client.post(path)
+    assert response.headers["Location"] == "/auth/login"
+
+
+def test_author_required(app, client, auth):
+    # change the post author to another user
+    with app.app_context():
+        db = get_db()
+        db.execute('UPDATE post SET author_id = 2 WHERE id = 1')
+        db.commit()
+
+    auth.login()
+    # current user can't modify other user's post
+    assert client.post('/1/update').status_code == 403
+    assert client.post('/1/delete').status_code == 403
+    # current user doesn't see edit link
+    assert b'href="/1/update"' not in client.get('/').data
+
+
+@pytest.mark.parametrize('path', (
+        '/2/update',
+        '/2/delete',
+))
+def test_exists_required(client, auth, path):
+    auth.login()
+    assert client.post(path).status_code == 404
+
+
+def test_create(client, auth, app):
+    auth.login()
+    assert client.get('/create').status_code == 200
+    client.post('/create', data={'title': 'created', 'body': ''})
+
+    with app.app_context():
+        db = get_db()
+        count = db.execute('SELECT COUNT(id) FROM post').fetchone()[0]
+        assert count == 2
+
+
+def test_update(client, auth, app):
+    auth.login()
+    assert client.get('/1/update').status_code == 200
+    client.post('/1/update', data={'title': 'updated', 'body': ''})
+
+    with app.app_context():
+        db = get_db()
+        post = db.execute('SELECT * FROM post WHERE id = 1').fetchone()
+        assert post['title'] == 'updated'
+
+
+@pytest.mark.parametrize('path', (
+        '/create',
+        '/1/update',
+))
+def test_create_update_validate(client, auth, path):
+    auth.login()
+    response = client.post(path, data={'title': '', 'body': ''})
+    assert b'Title is required.' in response.data
+
+
+def test_delete(client, auth, app):
+    auth.login()
+    response = client.post('/1/delete')
+    assert response.headers["Location"] == "/"
+
+    with app.app_context():
+        db = get_db()
+        post = db.execute('SELECT * FROM post WHERE id = 1').fetchone()
+        assert post is None