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lib/lp/testing/tests/test_yuixhr.py
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from canonical.testing.layers import LaunchpadFunctionalLayer
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from lp.registry.interfaces.product import IProductSet
 
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from lp.services.osutils import override_environ
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from lp.testing import (
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    TestCase,
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    login,
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    ANONYMOUS,
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    )
 
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from lp.testing.matchers import Contains
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from lp.testing.views import create_view
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from lp.testing.yuixhr import setup
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from lp.testing.tests import test_yuixhr_fixture
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        view = create_traversed_view(
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            path_info='/+yuitest/lp/testing/tests/test_yuixhr_fixture')
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        view.initialize()
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        content = view.page()
 
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        content = view.renderHTML()
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        self.assertTrue(content.startswith('<!DOCTYPE HTML'))
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        self.assertTextMatchesExpressionIgnoreWhitespace(
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            re.escape(
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        self.assertEqual(
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            'text/javascript',
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            view.request.response.getHeader('Content-Type'))
 
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        self.assertEqual(
 
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            'no-cache',
 
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            view.request.response.getHeader('Cache-Control'))
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    def test_javascript_must_have_a_py_fixture(self):
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        js_dir = tempfile.mkdtemp()
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        self.assertEqual(
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            'text/html',
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            view.request.response.getHeader('Content-Type'))
 
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        self.assertEqual(
 
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            'no-cache',
 
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            view.request.response.getHeader('Cache-Control'))
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    def test_get_fixtures(self):
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        view = create_traversed_view(
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        del called[:]
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        original_fixture.teardown(None, dict())
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        self.assertEquals(['original'], called)
 
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    def test_python_fixture_does_not_reload_by_default(self):
 
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        # Even though the dangers of Python's "reload" are subtle and
 
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        # real, using it can be very nice, particularly with
 
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        # Launchpad's slow start-up time.  By default, though, it is
 
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        # not used.  We will show this by scribbling on one of the
 
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        # fixtures and showing that the scribble is still there when
 
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        # we load the page.
 
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        test_yuixhr_fixture._fixtures_['baseline'].scribble = 'hello'
 
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        self.addCleanup(
 
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            delattr, test_yuixhr_fixture._fixtures_['baseline'], 'scribble')
 
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        view = create_traversed_view(
 
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            path_info='/+yuitest/lp/testing/tests/'
 
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                      'test_yuixhr_fixture')
 
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        view.initialize()
 
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        view.render()
 
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        self.assertEquals(
 
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            'hello', test_yuixhr_fixture._fixtures_['baseline'].scribble)
 
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    def test_python_fixture_does_not_reload_without_environ_var(self):
 
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        # As a bit of extra paranoia, we only allow a reload if
 
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        # 'INTERACTIVE_TESTS' is in the environ.  make run-testapp
 
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        # sets this environmental variable.  However, if we don't set
 
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        # the environment, even if we request a reload it will not
 
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        # happen.
 
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        test_yuixhr_fixture._fixtures_['baseline'].scribble = 'hello'
 
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        self.addCleanup(
 
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            delattr, test_yuixhr_fixture._fixtures_['baseline'], 'scribble')
 
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        view = create_traversed_view(
 
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            path_info='/+yuitest/lp/testing/tests/'
 
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                      'test_yuixhr_fixture', form=dict(reload='1'))
 
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        view.initialize()
 
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        view.render()
 
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        self.assertEquals(
 
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            'hello', test_yuixhr_fixture._fixtures_['baseline'].scribble)
 
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    def test_python_fixture_can_reload(self):
 
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        # Now we will turn reloading fully on, with the environmental
 
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        # variable and the query string..
 
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        test_yuixhr_fixture._fixtures_['baseline'].scribble = 'hello'
 
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        with override_environ(INTERACTIVE_TESTS='1'):
 
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            view = create_traversed_view(
 
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                path_info='/+yuitest/lp/testing/tests/'
 
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                'test_yuixhr_fixture', form=dict(reload='1'))
 
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            # reloading only happens at render time, so the scribble is
 
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            # still there for now.
 
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            view.initialize()
 
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            self.assertEquals(
 
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                'hello', test_yuixhr_fixture._fixtures_['baseline'].scribble)
 
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            # After a render of the html view, the module is reloaded.
 
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            view.render()
 
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            self.assertEquals(
 
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                None,
 
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                getattr(test_yuixhr_fixture._fixtures_['baseline'],
 
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                        'scribble',
 
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                        None))
 
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    def test_python_fixture_resets_fixtures(self):
 
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        # When we reload, we also clear out _fixtures_.  This means
 
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        # that if you rename or delete something, it won't be hanging
 
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        # around confusing you into thinking everything is fine after
 
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        # the reload.
 
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        test_yuixhr_fixture._fixtures_['extra_scribble'] = 42
 
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        with override_environ(INTERACTIVE_TESTS='1'):
 
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            view = create_traversed_view(
 
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                path_info='/+yuitest/lp/testing/tests/'
 
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                'test_yuixhr_fixture', form=dict(reload='1'))
 
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            view.initialize()
 
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            # After a render of the html view, the module is reloaded.
 
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            view.render()
 
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            self.assertEquals(
 
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                None,
 
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                test_yuixhr_fixture._fixtures_.get('extra_scribble'))
 
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    def test_python_fixture_reload_in_html(self):
 
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        # The reload is specifically when we load HTML pages only.
 
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        test_yuixhr_fixture._fixtures_['extra_scribble'] = 42
 
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        with override_environ(INTERACTIVE_TESTS='1'):
 
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            view = create_traversed_view(
 
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                path_info='/+yuitest/lp/testing/tests/'
 
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                'test_yuixhr_fixture', form=dict(reload='1'))
 
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            view.initialize()
 
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            # After a render of the html view, the module is reloaded.
 
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            view.renderHTML()
 
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            self.assertEquals(
 
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                None,
 
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                test_yuixhr_fixture._fixtures_.get('extra_scribble'))
 
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    def test_index_page(self):
 
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        view = create_traversed_view(path_info='/+yuitest')
 
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        view.initialize()
 
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        output = view.render()
 
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        self.assertThat(
 
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            output,
 
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            Contains(
 
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                'href="/+yuitest/lp/testing/tests/test_yuixhr_fixture'))