def test_image(self):
obj = WebcamTestModel()
obj.photo = SimpleUploadedFile("assignment.jpg", PICTURE)
obj.save()
self.assertEqual(obj.photo.dimension, (320, 200))
self.assertEqual(obj.photo.width, 320)
self.assertEqual(obj.photo.height, 200)
self.assertEqual(obj.photo.image.format, 'JPEG')
def test_image(self):
obj = WebcamTestModel()
obj.photo = SimpleUploadedFile("assignment.jpg", PICTURE)
obj.save()
self.assertEqual(obj.photo.dimension, (320, 200))
self.assertEqual(obj.photo.width, 320)
self.assertEqual(obj.photo.height, 200)
self.assertEqual(obj.photo.image.format, 'JPEG')
def test_form_edit_no_data(self):
obj = WebcamTestModel(photo=SimpleUploadedFile('-1', PICTURE))
obj.save()
prev_name = obj.photo
Form = modelform_factory(WebcamTestModel)
form = Form({}, instance=obj)
assert form.is_valid(), form._errors
obj = form.save()
self.assertTrue(os.path.isfile(temp_storage.path(obj.photo)), '`{0.photo.name}` is not a file'.format(obj))
self.assertEqual(prev_name, obj.photo)
def test_form_edit_no_data(self):
obj = WebcamTestModel(photo=SimpleUploadedFile('-1', PICTURE))
obj.save()
prev_name = obj.photo
Form = modelform_factory(WebcamTestModel)
form = Form({}, instance=obj)
assert form.is_valid(), form._errors
obj = form.save()
self.assertTrue(os.path.isfile(temp_storage.path(obj.photo)),
'`{0.photo.name}` is not a file'.format(obj))
self.assertEqual(prev_name, obj.photo)
def test_edit_no_changes(self):
base64_picture_mime = b64.encodestring(PICTURE)
obj = WebcamTestModel(photo=PictureUploadedFile(get_picture_name(), PICTURE))
obj.save()
obj = WebcamTestModel.objects.get(pk=obj.pk)
prev_name = obj.photo
Form = modelform_factory(WebcamTestModel)
form = Form({'data_photo': base64_picture_mime}, instance=obj)
obj = form.save()
self.assertTrue(os.path.isfile(temp_storage.path(obj.photo.name)), '`{0.photo.name}` is not a file'.format(obj))
self.assertEqual(prev_name, obj.photo)
def test_files(self):
temp_storage.save('tests/default.jpg', ContentFile(PICTURE))
# Attempting to access a FileField from the class raises a descriptive
# error
self.assertRaises(AttributeError, lambda: WebcamTestModel.photo)
# An object without a file has limited functionality.
obj1 = WebcamTestModel()
self.assertEqual(obj1.photo.name, None)
self.assertRaises(ValueError, lambda: obj1.photo.size)
# Saving a file enables full functionality.
# self.assertRaises(ValueError, obj1.photo.save, "django_test.txt", ContentFile("content"))
obj1.photo.save(None, ContentFile(PICTURE))
filename = os.path.basename(obj1.photo.name)
basename, suffix = filename.split('.')
self.assertTrue(temp_storage.exists(obj1.photo.name), filename)
self.assertTrue(uuid_rex.match(basename))
self.assertEqual(obj1.photo.size, 53472)
self.assertTrue(lambda: obj1.photo.is_valid())
obj1.photo.close()
# File objects can be assigned to FileField attributes, but shouldn't
# get committed until the model it's attached to is saved.
obj1.photo = SimpleUploadedFile("assignment.jpg", PICTURE)
dirs, files = temp_storage.listdir("tests")
self.assertEqual(dirs, [])
# self.assertEqual(sorted(files), sorted(["default.jpg", filename]))
obj1.save()
self.assertEqual(str(obj1.photo), "tests/assignment.jpg")
dirs, files = temp_storage.listdir("tests")
self.assertEqual(sorted(files),
sorted(["assignment.jpg", "default.jpg", filename]))
# Files can be read in a little at a time, if necessary.
obj1.photo.open()
self.assertEqual(obj1.photo.read(3), PICTURE[:3])
obj1.photo.close()
obj2 = WebcamTestModel()
obj2.photo.save("assignment.txt", ContentFile(PICTURE))
# Push the objects into the cache to make sure they pickle properly
cache.set("obj1", obj1)
cache.set("obj2", obj2)
self.assertEqual(cache.get("obj2").photo.name, "tests/assignment.txt")
# Deleting an object does not delete the file it uses.
obj2.delete()
obj2.photo.save("django_test.txt", ContentFile(PICTURE))
self.assertEqual(obj2.photo.name, "tests/django_test.txt")
def test_edit_no_changes(self):
base64_picture_mime = b64.encodestring(PICTURE)
obj = WebcamTestModel(
photo=PictureUploadedFile(get_picture_name(), PICTURE))
obj.save()
obj = WebcamTestModel.objects.get(pk=obj.pk)
prev_name = obj.photo
Form = modelform_factory(WebcamTestModel)
form = Form({'data_photo': base64_picture_mime}, instance=obj)
obj = form.save()
self.assertTrue(os.path.isfile(temp_storage.path(obj.photo.name)),
'`{0.photo.name}` is not a file'.format(obj))
self.assertEqual(prev_name, obj.photo)
def test_files(self):
temp_storage.save('tests/default.jpg', ContentFile(PICTURE))
# Attempting to access a FileField from the class raises a descriptive
# error
self.assertRaises(AttributeError, lambda: WebcamTestModel.photo)
# An object without a file has limited functionality.
obj1 = WebcamTestModel()
self.assertEqual(obj1.photo.name, None)
self.assertRaises(ValueError, lambda: obj1.photo.size)
# Saving a file enables full functionality.
# self.assertRaises(ValueError, obj1.photo.save, "django_test.txt", ContentFile("content"))
obj1.photo.save(None, ContentFile(PICTURE))
filename = os.path.basename(obj1.photo.name)
basename, suffix = filename.split('.')
self.assertTrue(temp_storage.exists(obj1.photo.name), filename)
self.assertTrue(uuid_rex.match(basename))
self.assertEqual(obj1.photo.size, 53472)
self.assertTrue(lambda: obj1.photo.is_valid())
obj1.photo.close()
# File objects can be assigned to FileField attributes, but shouldn't
# get committed until the model it's attached to is saved.
obj1.photo = SimpleUploadedFile("assignment.jpg", PICTURE)
dirs, files = temp_storage.listdir("tests")
self.assertEqual(dirs, [])
# self.assertEqual(sorted(files), sorted(["default.jpg", filename]))
obj1.save()
self.assertEqual(str(obj1.photo), "tests/assignment.jpg")
dirs, files = temp_storage.listdir("tests")
self.assertEqual(
sorted(files), sorted(["assignment.jpg", "default.jpg", filename])
)
# Files can be read in a little at a time, if necessary.
obj1.photo.open()
self.assertEqual(obj1.photo.read(3), PICTURE[:3])
obj1.photo.close()
obj2 = WebcamTestModel()
obj2.photo.save("assignment.txt", ContentFile(PICTURE))
# Push the objects into the cache to make sure they pickle properly
cache.set("obj1", obj1)
cache.set("obj2", obj2)
self.assertEqual(cache.get("obj2").photo.name, "tests/assignment.txt")
# Deleting an object does not delete the file it uses.
obj2.delete()
obj2.photo.save("django_test.txt", ContentFile(PICTURE))
self.assertEqual(obj2.photo.name, "tests/django_test.txt")
