def test_open_image_bad_path(self):
"""Should raise a FileNotFoundError if the file doesn't exist."""
image_path = "some_image.png"
xlsform_path = ""
self.assertFalse(os.path.isfile(image_path))
with self.assertRaises(FileNotFoundError):
Images._locate_and_open_image(
image_path=image_path, xlsform_path=xlsform_path)
def test_open_image_relative_path(self):
"""Should return Image if the path is relative to the xlsform."""
xlsform_path = os.path.join(self.cwd, "reference_images/xlsform.xlsx")
image_path = "open_image.png"
observed = Images._locate_and_open_image(
image_path=image_path, xlsform_path=xlsform_path)
self.assertIsInstance(observed, Image.Image)
def test_open_image_absolute_path(self):
"""Should return Image if the path is absolute."""
image_path = os.path.join(
self.cwd, "reference_images", "open_image.png")
xlsform_path = "xlsform.xlsx"
observed = Images._locate_and_open_image(
image_path=image_path, xlsform_path=xlsform_path)
self.assertIsInstance(observed, Image.Image)
