def test_write_annotation(self):
"""
The write_annotation method produces the correct string.
"""
writer = KiCAD()
buf = StringIO()
ann = Annotation('test', 1, 2, .5, 'true')
writer.write_annotation(buf, ann)
self.assertEqual(buf.getvalue(),
'Text Label 11 -22 900 60 ~ 0\ntest\n')
