def test_instantiation(self):
PKG_INFO = os.path.join(os.path.dirname(__file__), 'PKG-INFO')
fp = open(PKG_INFO)
try:
contents = fp.read()
finally:
fp.close()
fp = StringIO(contents)
m = DistributionMetadata()
self.assertRaises(MetadataUnrecognizedVersionError, m.items)
m = DistributionMetadata(PKG_INFO)
self.assertEqual(len(m.items()), 22)
m = DistributionMetadata(fileobj=fp)
self.assertEqual(len(m.items()), 22)
m = DistributionMetadata(mapping=dict(name='Test', version='1.0'))
self.assertEqual(len(m.items()), 11)
d = dict(m.items())
self.assertRaises(TypeError, DistributionMetadata,
PKG_INFO, fileobj=fp)
self.assertRaises(TypeError, DistributionMetadata,
PKG_INFO, mapping=d)
self.assertRaises(TypeError, DistributionMetadata,
fileobj=fp, mapping=d)
self.assertRaises(TypeError, DistributionMetadata,
PKG_INFO, mapping=m, fileobj=fp)
def test_mapper_apis(self):
PKG_INFO = os.path.join(os.path.dirname(__file__), 'PKG-INFO')
content = open(PKG_INFO).read()
content = content % sys.platform
metadata = DistributionMetadata()
metadata.read_file(StringIO(content))
self.assertIn('Version', metadata.keys())
self.assertIn('0.5', metadata.values())
self.assertIn(('Version', '0.5'), metadata.items())
def test_mapping_api(self):
PKG_INFO = os.path.join(os.path.dirname(__file__), 'PKG-INFO')
content = open(PKG_INFO).read()
content = content % sys.platform
metadata = DistributionMetadata(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')
