def test_different_file_diff(self):
"""Tests that when two different files are used in the diff() method, either ValueError is raised (because the
two Annotations cannot be compared) or that the output is a list with more than one value."""
annotations1 = Annotations(join(self.dataset.get_data_directory(), self.ann_files[0]), annotation_type='ann')
annotations2 = Annotations(join(self.dataset.get_data_directory(), self.ann_files[1]), annotation_type='ann')
result = annotations1.difference(annotations2)
self.assertTrue(result.__len__() > 0)
def test_difference(self):
"""Tests that when a given Annotations object uses the diff() method with another Annotations object created
from the same source file, that it returns an empty list."""
annotations1 = Annotations(join(self.dataset.get_data_directory(), self.ann_files[0]), annotation_type='ann')
annotations2 = Annotations(join(self.dataset.get_data_directory(), self.ann_files[0]), annotation_type='ann')
result = annotations1.difference(annotations2)
self.assertFalse(result)
