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How to use create_instance method in autotest

Best Python code snippet using autotest_python

base.py

Source:base.py

...7    """8    Base TestCase class that provides utilities throughout the raspberryio9    project.10    """11    def create_instance(self, ModelClass, **kwargs):12        """13        Given ModelClass, validate, create and return an model instance of that14        type. Takes `defaults` as a dictionary of default values. Any15        other kwargs override the provided defaults. E.g. defaults can be16        provided in test helper methods but overriden when called, as needed:17        Example:18            create_item = create_instance(Item, default={'title': 'generic'})19            ...20            a = create_item()21            b = create_item(title='flower')22            print (a.title, b.title)23            Out: ('generic', 'flower')24        """25        defaults = kwargs.pop('defaults', {})26        defaults.update(kwargs)27        instance = ModelClass(**defaults)28        instance.clean()29        instance.save()30        return instance31    def create_site(self, **kwargs):32        defaults = {33            'name': self.get_random_string(),34            'domain': self.get_random_string(),35        }36        return self.create_instance(DjangoSite, defaults=defaults, **kwargs)37    def create_superuser(self, data=None):38        data = data or {}39        user = self.create_user(data=data)40        user.is_superuser = True41        user.is_staff = True42        user.save()43        return user44    def get_current_site(self):45        return DjangoSite.objects.get(id=current_site_id())46class ProjectBaseTestCase(RaspberryIOBaseTestCase):47    def create_project(self, **kwargs):48        defaults = {49            'title': self.get_random_string(length=500),50            'site': kwargs.pop('site', self.create_site()),51            'user': kwargs.pop('user', self.create_user()),52        }53        instance = self.create_instance(54            project.Project, defaults=defaults, **kwargs55        )56        if 'status' in kwargs:57            instance.status = kwargs['status']58            instance.save()59        return instance60    def create_project_step(self, **kwargs):61        defaults = {62            'project': kwargs.pop('project', self.create_project()),63            'title': self.get_random_string(length=500),64            'content': self.get_random_string(),65        }66        return self.create_instance(67            project.ProjectStep, defaults=defaults, **kwargs68        )69    def create_project_category(self, **kwargs):70        defaults = {71            'title': kwargs.pop('title', self.get_random_string()),72        }73        return self.create_instance(74            project.ProjectCategory, defaults=defaults, **kwargs75        )76    def create_file(self, **kwargs):77        filename = kwargs.pop('filename', 'test.jpg')78        content = kwargs.pop('content', self.get_random_string())79        temp_file = ContentFile(content)80        temp_file.name = filename81        return temp_file82    def create_project_image(self, **kwargs):83        defaults = {84            'file': kwargs.pop('file', self.create_file()),85        }86        project_step = kwargs.pop('project_step', None)87        project_image = self.create_instance(88            project.ProjectImage, defaults=defaults, **kwargs89        )90        if project_step:91            project_step.gallery.add(project_image)...

test_category_controller.py

Source:test_category_controller.py

...4from backend.controller.base_controller import BaseController5from backend.controller.category_controller import CategoryController6from backend.models.category import Category7@pytest.fixture8def create_instance():9    category = CategoryController()10    return category11def test_category_controller_instance(create_instance):12    assert isinstance(create_instance, BaseController)13    assert isinstance(create_instance, CategoryController)14def test_create_category(create_instance):15    name = 'Category'16    description = 'Test'17    category = Category(name, description)18    result = create_instance.save(category)19    assert result.id is not None20    assert result.name == name21    assert result.description == description22    create_instance.delete(result)...

behavior_tests.py

Source:behavior_tests.py

2from freezegun import freeze_time3class BehaviorTestCaseMixin:4    def get_model(self):5        return getattr(self, 'model')6    def create_instance(self, **kwargs):7        raise NotImplementedError('Implement method')8class TimestampableTests(BehaviorTestCaseMixin):9    def test_created_date(self):10        now = timezone.now()11        with freeze_time(now):12            obj = self.create_instance()13        assert now == obj.created_date14    def test_modified_date(self):15        obj = self.create_instance()16        now = timezone.now()17        with freeze_time(now):18            obj.save()19        assert now == obj.modified_date20class PermalinkableTests(BehaviorTestCaseMixin):21    def test_givenAnObjectWithUsername_theSlugIsTheSlugifiedUsername(self, default_user, client):22        obj = self.create_instance(username='test')...

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