def test_metadata(self):
source = """# Metadata test file
one: 1
two: 2
dc.three: 3
one: 11
four : Four
"""
fl = io.StringIO(source)
meta = Metadata('<unit test>', fl)
fl.close()
self.assertEqual(meta.get_one('one'), '1')
self.assertEqual(meta.get_one('dc.three'), '3')
self.assertEqual(meta.get_one('four'), 'Four')
self.assertEqual(meta.get_one('four', 'def'), 'Four')
self.assertEqual(meta.get_one('missing'), None)
self.assertEqual(meta.get_one('missing', 'def'), 'def')
self.assertEqual(meta.get_all('two'), ['2'])
self.assertEqual(meta.get_all('one'), ['1', '11'])
self.assertEqual(meta.get_all('missing'), [])
ls = list(meta.keys())
self.assertEqual(len(ls), len(meta))
ls.sort()
self.assertEqual(ls, ['dc.three', 'four', 'one', 'two'])
meta2 = meta.clone()
self.assertEqual(len(meta2), len(meta))
for key in list(meta.keys()):
self.assertEqual(meta.get_all(key), meta2.get_all(key))
def test_metadata_modify(self):
meta = Metadata('<test>')
meta.add('one', 'two')
meta2 = meta.clone()
meta2.add('one', 'four')
self.assertEqual(meta2.get_all('one'), ['two', 'four'])
meta.add('one', 'three')
self.assertEqual(meta.get_all('one'), ['two', 'three'])
self.assertEqual(meta2.get_all('one'), ['two', 'four'])
meta.delete_all('one')
meta.delete_all('nonexistent')
self.assertEqual(meta.get_all('one'), [])
self.assertEqual(meta2.get_all('one'), ['two', 'four'])
