============================= test session starts ==============================
platform linux -- Python 3.4.3 -- py-1.4.31 -- pytest-2.7.2
rootdir: /home/matthias/projects/python/my_app/Flask-User-starter-app/tests, inifile: 
plugins: cov, flask
collected 1 items

tests/test_page_urls.py F

=================================== FAILURES ===================================
________________________________ test_page_urls ________________________________

client = <FlaskClient <Flask 'app'>>

    def test_page_urls(client):
        # Visit home page
        response = client.get(url_for('core.home_page'))
        assert b'<h1>Home page</h1>' in response.data
    
        # Login as user and visit User page
        response = client.post(url_for('user.login'), follow_redirects=True,
>                              data=dict(email='user@example.com', password='Password1'))

tests/test_page_urls.py:16: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
../../../../.virtualenvs/my_app/lib/python3.4/site-packages/werkzeug/test.py:788: in post
    return self.open(*args, **kw)
../../../../.virtualenvs/my_app/lib/python3.4/site-packages/flask/testing.py:113: in open
    follow_redirects=follow_redirects)
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <FlaskClient <Flask 'app'>>
args = (<werkzeug.test.EnvironBuilder object at 0x7ff136e48668>,), kwargs = {}
as_tuple = False, buffered = False, follow_redirects = True
environ = {'CONTENT_LENGTH': '0', 'CONTENT_TYPE': '', 'HTTP_COOKIE': 'session=.eJwNxUsKwyAQANCrDLPJJlSrhDTepJQQ_EyqYGNxdBVy9_Zt3...Ex1uOF6rSNuKaBBvdjZkaZgyflFyXCflJfzQ1vaJ6kUXj9Dniof.Cp40GA.8gB8h85sU1ZDw3uZfDZea3x_Zrg', 'HTTP_HOST': 'localhost', ...}
response = (<werkzeug.wsgi.ClosingIterator object at 0x7ff136e48eb8>, '302 FOUND', Headers([('Content-Type', 'text/html; charset=utf-8'), ('Content-Length', '249'), ('Location', 'http://localhost/user')]))
redirect_chain = [('http://localhost/user', 302), ('http://localhost/user/sign-in?next=http%3A//localhost/user', 302)]
status_code = 302, new_location = 'http://localhost/user'
new_redirect_entry = ('http://localhost/user', 302)

    def open(self, *args, **kwargs):
        """Takes the same arguments as the :class:`EnvironBuilder` class with
            some additions:  You can provide a :class:`EnvironBuilder` or a WSGI
            environment as only argument instead of the :class:`EnvironBuilder`
            arguments and two optional keyword arguments (`as_tuple`, `buffered`)
            that change the type of the return value or the way the application is
            executed.
    
            .. versionchanged:: 0.5
               If a dict is provided as file in the dict for the `data` parameter
               the content type has to be called `content_type` now instead of
               `mimetype`.  This change was made for consistency with
               :class:`werkzeug.FileWrapper`.
    
                The `follow_redirects` parameter was added to :func:`open`.
    
            Additional parameters:
    
            :param as_tuple: Returns a tuple in the form ``(environ, result)``
            :param buffered: Set this to True to buffer the application run.
                             This will automatically close the application for
                             you as well.
            :param follow_redirects: Set this to True if the `Client` should
                                     follow HTTP redirects.
            """
        as_tuple = kwargs.pop('as_tuple', False)
        buffered = kwargs.pop('buffered', False)
        follow_redirects = kwargs.pop('follow_redirects', False)
        environ = None
        if not kwargs and len(args) == 1:
            if isinstance(args[0], EnvironBuilder):
                environ = args[0].get_environ()
            elif isinstance(args[0], dict):
                environ = args[0]
        if environ is None:
            builder = EnvironBuilder(*args, **kwargs)
            try:
                environ = builder.get_environ()
            finally:
                builder.close()
    
        response = self.run_wsgi_app(environ, buffered=buffered)
    
        # handle redirects
        redirect_chain = []
        while 1:
            status_code = int(response[1].split(None, 1)[0])
            if status_code not in (301, 302, 303, 305, 307) \
               or not follow_redirects:
                break
            new_location = response[2]['location']
            new_redirect_entry = (new_location, status_code)
            if new_redirect_entry in redirect_chain:
>               raise ClientRedirectError('loop detected')
E               werkzeug.test.ClientRedirectError: loop detected

../../../../.virtualenvs/my_app/lib/python3.4/site-packages/werkzeug/test.py:763: ClientRedirectError
=========================== 1 failed in 0.05 seconds ===========================