def test_get_close_db(app):
# Check unique db instance within app context
with app.app_context():
db = get_db()
assert db is get_db()
# Check db catches incorrect SQL commands
with pytest.raises(sqlite3.ProgrammingError) as e:
db.execute('SELECT 1')
# Check db is closed after context
assert 'closed' in str(e.value)
def load_logged_in_user():
user_id = session.get('user_id')
if user_id is None:
g.user = None
else:
g.user = db_tools.get_user_from_id(get_db(), user_id)
def login():
if request.method == 'POST':
username = request.form['username']
password = request.form['password']
error = None
if not username:
error = 'Username is required.'
elif not password:
error = 'Password is required.'
else:
user = db_tools.get_user(get_db(), username, password)
if user is None:
error = 'Incorrect username or password.'
if error is None:
session.clear()
session['user_id'] = user['id']
session['username'] = username
session['topic'] = None
return redirect(url_for('lobby.index'))
flash(error)
return render_template('auth/login.html.jinja')
def insert_message(self, topic, message_db, message_public):
# Insert message into database
db_tools.insert_message(get_db(), **message_db)
# Insert message into local cache
if topic not in self.room_messages:
self.room_messages[topic] = deque(maxlen=MAX_MESSAGES_PER_ROOM)
self.room_messages[topic].appendleft(message_public)
def submit_message(data):
errors = []
### Parse incoming message
data_db = {
'channel_id': None,
'author_id': None,
'body': None,
'created': None
}
data_public = {'username': None, 'body': None, 'created': None}
## Message: Body
if 'message' not in data:
errors.append("Data contains no 'message' attribute.")
elif not data['message']:
errors.append("Empty data['message'].")
else:
data_db['body'] = data_public['body'] = data['message']
## Message: Author
data_db['author_id'] = session.get('user_id')
if data_db['author_id'] is None:
errors.append('No author_id.')
data_public['username'] = session.get('username')
if data_public['username'] is None:
errors.append('No username in session.')
## Message: Topic
topic = session.get('topic')
if topic is None:
errors.append('No topic in session.')
else:
db = get_db()
data_db['channel_id'] = db_tools.get_channel_id(db, topic)
if data_db['channel_id'] is None:
errors.append('No channel_id.')
## Message: Created
data_db['created'] = datetime.datetime.now()
data_public['created'] = data_db['created'].strftime('%Y-%m-%d')
# Insert message into database
if not errors:
room_messages.insert_message(topic, data_db, data_public)
# Emit message
emit('announce message', {
'success': True,
'message': data_public
},
broadcast=True)
else:
emit('announce message', {'success': False, 'errors': errors})
def index(topic):
db = get_db()
# Check if topic exists
mgs, error = room_messages.get_messages(topic)
if error is not None:
abort(404, error)
# session
session['topic'] = topic
g.topic = topic
return render_template('rooms/room.html.jinja', topic=topic)
def app():
"""Calls the factory and passes test_config to configure app and db
for testing instead of using local dev configuration"""
# Create and open temporary file, returning file object and path
db_fd, db_path = tempfile.mkstemp()
# Create app with test mode and db path overridden
app = create_app({
'TESTING': True,
'DATABASE': db_path,
})
# Initialize tables and test data
with app.app_context():
init_db()
get_db().executescript(_data_sql)
yield app
# After test is over, close and remove temp file
os.close(db_fd)
os.unlink(db_path)
def test_register(client, app):
"""Test register view access and successful new user registration in db"""
# Should render successfully on GET
assert client.get('/auth/register').status_code == 200
# POST with valid data
response = client.post('/auth/register',
data={
'username': '******',
'password': '******'
})
# Should be redirectted to login URL
assert response.headers['Location'] == 'http://localhost/auth/login'
# New user should be on database
with app.app_context():
assert get_db().execute("SELECT * FROM users WHERE username = '******'",
).fetchone() is not None
def create():
if request.method == 'POST':
topic = request.form['topic']
error = None
db = get_db()
if not topic:
error = 'Topic is required.'
elif len(topic) > 24:
error = 'Topic length most be shorter than 25 characters.'
elif db_tools.has_channel(db, topic):
error = 'Channel already exists.'
if error is not None:
flash(error)
else:
db_tools.insert_channel(db, topic)
return redirect(url_for('lobby.index'))
return render_template('lobby/create.html.jinja')
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_tools.has_user(db, username):
error = f'User {username} is already registered.'
if error is None:
db_tools.insert_user(db, username, password)
return redirect(url_for('auth.login'))
flash(error)
return render_template('auth/register.html.jinja')
def get_messages(self, topic) -> ('messages', 'error'):
# Retrieve from cache if available
if topic in self.room_messages:
return list(self.room_messages[topic]), None
# Else retrieve from database if topic has been created
db = get_db()
if db_tools.has_channel(db, topic):
self.room_messages[topic] = deque(maxlen=MAX_MESSAGES_PER_ROOM)
self.room_messages[topic].extend(
db_tools.get_all_messages(db,
topic,
limit=MAX_MESSAGES_PER_ROOM,
as_dicts=True))
return list(self.room_messages[topic]), None
# Else return with error message
if len(topic) > 10:
# Shorten topic name for visibility
topic = topic[:10] + '...'
return None, f"Channel for topic {topic} doesn't exist."
def index():
channels = db_tools.get_channels_all(get_db())
return render_template('lobby/index.html.jinja', channels=channels)