def test_get_close_db(app):
with app.app_context():
db = get_db()
assert db is get_db()
with pytest.raises(sqlite3.ProgrammingError) as e:
db.execute('SELECT 1')
assert 'closed' in str(e)
def index():
db = get_db()
posts = db.execute(
'SELECT p.post_id, title, body, created, author_id, username'
' FROM posts p JOIN users u ON p.author_id = u.user_id'
' ORDER BY created DESC').fetchall()
return render_template('blog/index.html', posts=posts)
def app():
db_fd, db_path = tempfile.mkstemp()
app = create_app({
'TESTING': True,
'DATABASE': db_path,
})
with app.app_context():
init_db()
get_db().executescript(_data_sql)
yield app
os.close(db_fd)
os.unlink(db_path)
def register():
if request.method == 'POST':
username = request.form['username']
password = request.form['password']
db = get_db()
error = None
if not username:
error = 'Username is required.'
elif not password:
error = 'Password is required.'
elif db.execute(
'SELECT user_id FROM users WHERE username = ?', (username,)
).fetchone() is not None:
error = 'User {} is already registered.'.format(username)
if error is None:
db.execute(
'INSERT INTO users (username, password) VALUES (?, ?)',
(username, generate_password_hash(password))
)
db.commit()
return redirect(url_for('auth.login'))
flash(error)
return render_template('auth/register.html')
def test_delete(client, auth, app):
auth.login()
response = client.post('/1/delete')
assert response.headers['Location'] == 'http://localhost/'
with app.app_context():
db = get_db()
post = db.execute('SELECT * FROM posts WHERE post_id = 1').fetchone()
assert post is None
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 posts WHERE post_id = 1').fetchone()
assert post['title'] == 'updated'
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(post_id) FROM posts').fetchone()[0]
assert count == 2
def load_logged_in_user():
user_id = session.get('user_id')
if user_id is None:
g.user = None
else:
g.user = get_db().execute(
'SELECT * FROM users WHERE user_id = ?', (user_id,)
).fetchone()
def test_register(client, app):
assert client.get('/auth/register').status_code == 200
response = client.post(
'/auth/register', data={'username': '******', 'password': '******'}
)
assert 'http://localhost/auth/login' == response.headers['Location']
with app.app_context():
assert get_db().execute(
"select * from users where username = '******'",
).fetchone() is not None
def get_post(id, check_author=True):
post = get_db().execute(
'SELECT p.post_id, title, body, created, author_id, username'
' FROM posts p JOIN users u ON p.author_id = u.user_id'
' WHERE p.post_id = ?', (id, )).fetchone()
if post is None:
abort(404, "Post id {0} doesn't exist.".format(id))
if check_author and post['author_id'] != g.user['user_id']:
abort(403)
return post
def test_author_required(app, client, auth):
# change the post author to another user
with app.app_context():
db = get_db()
db.execute('UPDATE posts SET author_id = 2 WHERE post_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
def create():
if request.method == 'POST':
title = request.form['title']
body = request.form['body']
error = None
if not title:
error = 'Title is required.'
if error is not None:
flash(error)
else:
db = get_db()
db.execute(
'INSERT INTO posts (title, body, author_id)'
' VALUES (?, ?, ?)', (title, body, g.user['user_id']))
db.commit()
return redirect(url_for('blog.index'))
return render_template('blog/create.html')
def update(id):
post = get_post(id)
if request.method == 'POST':
title = request.form['title']
body = request.form['body']
error = None
if not title:
error = 'Title is required.'
if error is not None:
flash(error)
else:
db = get_db()
db.execute(
'UPDATE posts SET title = ?, body = ?'
' WHERE post_id = ?', (title, body, id))
db.commit()
return redirect(url_for('blog.index'))
return render_template('blog/update.html', post=post)
def login():
if request.method == 'POST':
username = request.form['username']
password = request.form['password']
db = get_db()
error = None
user = db.execute(
'SELECT * FROM users WHERE username = ?', (username,)
).fetchone()
if user is None:
error = 'Incorrect username.'
elif not check_password_hash(user['password'], password):
error = 'Incorrect password.'
if error is None:
session.clear()
session['user_id'] = user['user_id']
return redirect(url_for('index'))
flash(error)
return render_template('auth/login.html')
def delete(id):
get_post(id)
db = get_db()
db.execute('DELETE FROM posts WHERE post_id = ?', (id, ))
db.commit()
return redirect(url_for('blog.index'))