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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this file,
# You can obtain one at http://mozilla.org/MPL/2.0/.
import pytest
import urlparse
"""pytest fixtures for use in Python-based WPT tests.
The purpose of test fixtures is to provide a fixed baseline upon which
tests can reliably and repeatedly execute.
"""
class Session(object):
"""Fixture to allow access to wptrunner's existing WebDriver session
in tests.
The session is not created by default to enable testing of session
creation. However, a module-scoped session will be implicitly created
at the first call to a WebDriver command. This means methods such as
`session.send_command` and `session.session_id` are possible to use
without having a session.
To illustrate implicit session creation::
def test_session_scope(session):
# at this point there is no session
assert session.session_id is None
# window_id is a WebDriver command,
# and implicitly creates the session for us
assert session.window_id is not None
# we now have a session
assert session.session_id is not None
You can also access the session in custom fixtures defined in the
tests, such as a setup function::
@pytest.fixture(scope="function")
def setup(request, session):
session.url = "https://example.org"
def test_something(setup, session):
assert session.url == "https://example.org"
The session is closed when the test module goes out of scope by an
implicit call to `session.end`.
"""
def __init__(self, client):
self.client = client
@pytest.fixture(scope="module")
def session(self, request):
request.addfinalizer(self.client.end)
return self.client
class Server(object):
"""Fixture to allow access to wptrunner's base server url.
:param url_getter: Function to get server url from test environment, given
a protocol.
"""
def __init__(self, url_getter):
self.server_url = url_getter
def where_is(self, uri, protocol="http"):
return urlparse.urljoin(self.server_url(protocol), uri)
@pytest.fixture
def server(self, request):
return self
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