def test_gmshTags(self):
dom = ReadGmsh(os.path.join(DUDLEY_TEST_MESH_PATH, "tagtest.msh"), 2)
tags = dom.showTagNames().split(', ')
self.assertEqual(tags, ['tag1', 'tag2', 'tag3'], 'error with tags')
self.assertEqual(dom.getTag('tag1'), 1, 'error with tag1')
self.assertEqual(dom.getTag('tag2'), 2, 'error with tag2')
self.assertEqual(dom.getTag('tag3'), 3, 'error with tag3')
self.assertRaises(ValueError, dom.getTag, 'tag4')
