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 register():
if 'POST' == request.method:
username = request.form['username']
password = request.form['password']
db = get_db()
err = None
if not username:
err = 'Username is required.'
elif not password:
err = 'Password is required.'
elif db.execute(
'SELECT id FROM user WHERE username = ?', (username,)
).fetchone() is not None:
err = 'User {} is already registered.'.format(username)
if err is None:
db.execute(
'INSERT INTO user (username, password) VALUES (?, ?)',
(username, generate_password_hash(password))
)
db.commit()
return redirect(url_for('auth.login'))
flash(err)
return render_template('auth/register.html')
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 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 user WHERE id = ?', (user_id,)
).fetchone()
def test_delete(client, auth, app):
auth.login()
response = client.post('/1/delete')
assert 'http://localhost/' == response.headers['Location']
with app.app_context():
db = get_db()
post = db.execute('SELECT * FROM post WHERE id = 1').fetchone()
assert post is None
def test_update(client, auth, app):
auth.login()
assert 200 == client.get('/1/update').status_code
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'
def test_create(client, auth, app):
auth.login()
assert 200 == client.get('/create').status_code
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 2 == count
def test_register(client, app):
assert 200 == client.get('/auth/register').status_code
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 user WHERE username = '******'", ).fetchone() is not None
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 403 == client.post('/1/update').status_code
assert 403 == client.post('/1/delete').status_code
# current user doesn't see edit link
assert b'href="/1/update"' not in client.get('/').data
def get_post(id, check_author=True):
post = get_db().execute(
'SELECT p.id, title, body, created, author_id, username'
' FROM post p JOIN user u ON p.author_id = u.id'
' WHERE p.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['id']:
abort(403)
return post
def create():
if request.method == 'POST':
title = request.form['title']
body = request.form['body']
err = None
if not title:
err = 'Title is required.'
if err is not None:
flash(err)
else:
db = get_db()
db.execute(
'INSERT INTO post (title, body, author_id)'
' VALUES (?, ?, ?)', (title, body, g.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']
err = None
if not title:
err = 'Title is required.'
if err is not None:
flash(err)
else:
db = get_db()
db.execute('UPDATE post SET title = ?, body = ?'
' WHERE id = ?', (title, body, id))
db.commit()
return redirect(url_for('blog.index'))
return render_template('blog/update.html', post=post)
def login():
if 'POST' == request.method:
username = request.form['username']
password = request.form['password']
db = get_db()
err = None
user = db.execute(
'SELECT * FROM user WHERE username = ?', (username,)
).fetchone()
if user is None:
err = 'Incorrect username.'
elif not check_password_hash(user['password'], password):
err = 'Incorrect password.'
if err is None:
session.clear()
session['user_id'] = user['id']
return redirect(url_for('index'))
flash(err)
return render_template('auth/login.html')
def delete(id):
get_post(id)
db = get_db()
db.execute('DELETE FROM post WHERE id = ?', (id, ))
db.commit()
return redirect(url_for('blog.index'))
def index():
posts = get_db().execute(
'SELECT p.id, title, body, created, author_id, username'
' FROM post p JOIN user u ON p.author_id = u.id'
' ORDER BY created DESC').fetchall()
return render_template('blog/index.html', posts=posts)