def test_instantiation(self):
PKG_INFO = os.path.join(os.path.dirname(__file__), 'PKG-INFO')
with open(PKG_INFO, 'r', encoding='utf-8') as f:
contents = f.read()
fp = StringIO(contents)
m = Metadata()
self.assertRaises(MetadataUnrecognizedVersionError, m.items)
m = Metadata(PKG_INFO)
self.assertEqual(len(m.items()), 22)
m = Metadata(fileobj=fp)
self.assertEqual(len(m.items()), 22)
m = Metadata(mapping=dict(name='Test', version='1.0'))
self.assertEqual(len(m.items()), 11)
d = dict(m.items())
self.assertRaises(TypeError, Metadata,
PKG_INFO, fileobj=fp)
self.assertRaises(TypeError, Metadata,
PKG_INFO, mapping=d)
self.assertRaises(TypeError, Metadata,
fileobj=fp, mapping=d)
self.assertRaises(TypeError, Metadata,
PKG_INFO, mapping=m, fileobj=fp)
def test_write_metadata(self):
# check support of non-ASCII values
tmp_dir = self.mkdtemp()
my_file = os.path.join(tmp_dir, 'f')
metadata = Metadata(mapping={'author': 'Mister Café',
'name': 'my.project',
'author': 'Café Junior',
'summary': 'Café torréfié',
'description': 'Héhéhé',
'keywords': ['café', 'coffee']})
metadata.write(my_file)
# the file should use UTF-8
metadata2 = Metadata()
with open(my_file, encoding='utf-8') as fp:
metadata2.read_file(fp)
# XXX when keywords are not defined, metadata will have
# 'Keywords': [] but metadata2 will have 'Keywords': ['']
# because of a value.split(',') in Metadata.get
self.assertEqual(metadata.items(), metadata2.items())
# ASCII also works, it's a subset of UTF-8
metadata = Metadata(mapping={'author': 'Mister Cafe',
'name': 'my.project',
'author': 'Cafe Junior',
'summary': 'Cafe torrefie',
'description': 'Hehehe'})
metadata.write(my_file)
metadata2 = Metadata()
with open(my_file, encoding='utf-8') as fp:
metadata2.read_file(fp)
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())