def test_metadata_read_write(self):
PKG_INFO = os.path.join(os.path.dirname(__file__), 'PKG-INFO')
metadata = Metadata(PKG_INFO)
out = StringIO()
metadata.write_file(out)
out.seek(0)
res = Metadata()
res.read_file(out)
self.assertEqual(metadata.values(), res.values())
def test_mapping_api(self):
PKG_INFO = os.path.join(os.path.dirname(__file__), 'PKG-INFO')
with open(PKG_INFO, 'r', encoding='utf-8') as f:
content = f.read() % sys.platform
metadata = Metadata(fileobj=StringIO(content))
self.assertIn('Version', metadata.keys())
self.assertIn('0.5', metadata.values())
self.assertIn(('Version', '0.5'), metadata.items())
metadata.update({'version': '0.6'})
self.assertEqual(metadata['Version'], '0.6')
metadata.update([('version', '0.7')])
self.assertEqual(metadata['Version'], '0.7')
# make sure update method checks values like the set method does
metadata.update({'version': '1--2'})
self.assertEqual(len(self.get_logs()), 1)
# XXX caveat: the keys method and friends are not 3.x-style views
# should be changed or documented
self.assertEqual(list(metadata), metadata.keys())
