def testGetSet(self):
'''Getting/setting/deleting item in Headers'''
h = Headers([('key1', 'value1'),
('key2', 'value2'),
('KEY1', 'VALUE1')])
self.assertEqual(len(h), 3)
self.assertSameItems(h.keys(), ['key1', 'key2'])
self.assertEqual(h['key2'], 'value2')
self.assertEqual(h['key1'], 'value1, VALUE1')
h['KEY2'] = 'Value2'
self.assertEqual(len(h), 3)
self.assertSameItems(h.keys(), ['key1', 'key2'])
self.assertEqual(h['key2'], 'Value2')
h['key1'] = 'Value1'
self.assertEqual(len(h), 2)
self.assertSameItems(h.keys(), ['key1', 'key2'])
self.assertEqual(h['key1'], 'Value1')
def testAdd(self):
'''Headers.add'''
h = Headers({'key1': 'value1'})
self.assertEqual(len(h), 1)
self.assertEqual(h.keys(), ['key1'])
h.add('key2', 'value2')
self.assertEqual(len(h), 2)
self.assertSameItems(h.keys(), ['key1', 'key2'])
h.add('Key1', 'value2')
self.assertEqual(len(h), 3)
self.assertSameItems(h.keys(), ['key1', 'key2'])
