def test_tuple_pairs(self): d = HeaderCollection.from_environ({'CONTENT_TYPE': 'text/html'}) assert d() == [('Content-Type', 'text/html')]
def test_set_header_immutable(self): d = HeaderCollection.from_environ({'CONTENT_TYPE': 'text/html'}) with raises(TypeError): d['test'] = 'test' with raises(TypeError): del d['CONTENT_TYPE']
def headers(self): return HeaderCollection.from_environ(self.environ)