def test_handler(tmp_path):
class TestHandler:
opened = False
loaded = False
saved = False
def open(self, im):
self.opened = True
def load(self, im):
self.loaded = True
return Image.new("RGB", (1, 1))
def save(self, im, fp, filename):
self.saved = True
handler = TestHandler()
GribStubImagePlugin.register_handler(handler)
with Image.open(TEST_FILE) as im:
assert handler.opened
assert not handler.loaded
im.load()
assert handler.loaded
temp_file = str(tmp_path / "temp.grib")
im.save(temp_file)
assert handler.saved
GribStubImagePlugin._handler = None
def test_invalid_file():
# Arrange
invalid_file = "Tests/images/flower.jpg"
# Act / Assert
with pytest.raises(SyntaxError):
GribStubImagePlugin.GribStubImageFile(invalid_file)
def test_invalid_file(self):
# Arrange
invalid_file = "Tests/images/flower.jpg"
# Act / Assert
self.assertRaises(
SyntaxError,
lambda: GribStubImagePlugin.GribStubImageFile(invalid_file))
def test_invalid_file(self):
invalid_file = "Tests/images/flower.jpg"
self.assertRaises(
InvalidFileType,
lambda: GribStubImagePlugin.GribStubImageFile(invalid_file))