codingjoe / django-stdimage

        call_command(

            'rendervariations',

            'tests.ThumbnailModel.image'

        )

        assert any([os.path.exists(f) for f in file_names])

    def test_no_replace(self, image_upload_file):

        obj = ThumbnailModel.objects.create(image=image_upload_file)

        file_path = obj.image.thumbnail.path

        assert os.path.exists(file_path)

        before = os.path.getmtime(file_path)

        time.sleep(1)

        call_command(

            'rendervariations',

            'tests.ThumbnailModel.image',

        )

        assert os.path.exists(file_path)

        after = os.path.getmtime(file_path)

        assert before == after

    def test_multiprocessing(self, image_upload_file):

        objs = [

            ThumbnailModel.objects.create(

                image=image_upload_file

            )

            for _ in range(100)

        ]

        file_names = [

            obj.image.thumbnail.path

            for obj in objs

            ]

        for obj in objs:

            obj.image.delete_variations()

        assert not any([os.path.exists(f) for f in file_names])

        call_command(

            'rendervariations',

            'tests.ThumbnailModel.image'

        )

        assert any([os.path.exists(f) for f in file_names])