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How to use test_for_invalid_template method in pytest-django

Best Python code snippet using pytest-django_python

test_environment.py

Source:test_environment.py

...63    )64    django_testdir.create_test_module(65        """66        import pytest67        def test_for_invalid_template(client):68            client.get('/invalid_template/')69        @pytest.mark.ignore_template_errors70        def test_ignore(client):71            client.get('/invalid_template/')72        """73    )74    result = django_testdir.runpytest_subprocess("-s", "--fail-on-template-vars")75    origin = "'*/tpkg/app/templates/invalid_template_base.html'"76    result.stdout.fnmatch_lines_random(77        [78            "tpkg/test_the_test.py F.*",79            "E * Failed: Undefined template variable 'invalid_var' in {}".format(80                origin81            ),82        ]83    )84@pytest.mark.django_project(85    extra_settings="""86    TEMPLATE_LOADERS = (87        'django.template.loaders.filesystem.Loader',88        'django.template.loaders.app_directories.Loader',89    )90    ROOT_URLCONF = 'tpkg.app.urls'91    """92)93def test_invalid_template_with_default_if_none(django_testdir):94    django_testdir.create_app_file(95        """96            <div>{{ data.empty|default:'d' }}</div>97            <div>{{ data.none|default:'d' }}</div>98            <div>{{ data.empty|default_if_none:'d' }}</div>99            <div>{{ data.none|default_if_none:'d' }}</div>100            <div>{{ data.missing|default_if_none:'d' }}</div>101        """,102        "templates/the_template.html",103    )104    django_testdir.create_test_module(105        """106        def test_for_invalid_template():107            from django.shortcuts import render108            render(109                request=None,110                template_name='the_template.html',111                context={'data': {'empty': '', 'none': None}},112            )113        """114    )115    result = django_testdir.runpytest_subprocess("--fail-on-template-vars")116    result.stdout.fnmatch_lines(117        [118            "tpkg/test_the_test.py F",119            "E * Failed: Undefined template variable 'data.missing' in *the_template.html'",120        ]121    )122@pytest.mark.django_project(123    extra_settings="""124    TEMPLATE_LOADERS = (125        'django.template.loaders.filesystem.Loader',126        'django.template.loaders.app_directories.Loader',127    )128    ROOT_URLCONF = 'tpkg.app.urls'129    """130)131def test_invalid_template_variable_opt_in(django_testdir):132    django_testdir.create_app_file(133        """134        from django.urls import path135        from tpkg.app import views136        urlpatterns = [path('invalid_template', views.invalid_template)]137        """,138        "urls.py",139    )140    django_testdir.create_app_file(141        """142        from django.shortcuts import render143        def invalid_template(request):144            return render(request, 'invalid_template.html', {})145        """,146        "views.py",147    )148    django_testdir.create_app_file(149        "<div>{{ invalid_var }}</div>", "templates/invalid_template.html"150    )151    django_testdir.create_test_module(152        """153        import pytest154        def test_for_invalid_template(client):155            client.get('/invalid_template/')156        @pytest.mark.ignore_template_errors157        def test_ignore(client):158            client.get('/invalid_template/')159        """160    )161    result = django_testdir.runpytest_subprocess("-s")162    result.stdout.fnmatch_lines_random(["tpkg/test_the_test.py ..*"])163@pytest.mark.django_db164def test_database_rollback():165    assert Item.objects.count() == 0166    Item.objects.create(name="blah")167    assert Item.objects.count() == 1168@pytest.mark.django_db...

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