def test_read_returns_file_contents(self):
contents = file.read(self.sample_file_name)
self.assertEqual(contents, self.sample_file_contents,
"Failed to read file contents - expected '{}', got '{}'".format(
self.sample_file_contents, contents))
def test_read_nonexistent_path_raises_InvalidPath_error(self):
with self.assertRaises(errors.InvalidPath):
file.read('/foo/bar/NonExistentFile.txt')