unit_test

import os
import tempfile

import pytest

from flaskr import flaskr

@pytest.fixture
def client():
    db_fd, flaskr.app.config['DATABASE'] = tempfile.mkstemp()
    flaskr.app.config['TESTING'] = True
    client = flaskr.app.test_client()

    with flaskr.app.app_context():
        flaskr.init_db()

    yield client

    os.close(db_fd)
    os.unlink(flaskr.app.config['DATABASE'])

def login(client, username, password):
    return client.post('/login', data=dict(
        username=username,
        password=password
    ), follow_redirects=True)

def logout(client):
    return client.get('/logout', follow_redirects=True)

def test_login_logout(client):
    rv = login(client, flaskr.app.config['USERNAME'], flaskr.app.config['PASSWORD'])
    assert b'You are logged in!' in rv.data

    rv = logout(client)
    assert b'You are successfully logged out!' in rv.data

    rv = login(client, flaskr.app.config['USERNAME'] + 'x', flaskr.app.config['PASSWORD'])
    assert b'Login Unsuccessful. Please check email and password' in rv.data