How to use make_callback method in Testify

Best Python code snippet using Testify_python

asyncdns.py

Source:asyncdns.py

...477    loop = eventloop.EventLoop()478    dns_resolver.add_to_loop(loop)479    global counter480    counter = 0481    def make_callback():482        global counter483        def callback(result, error):484            global counter485            # TODO: what can we assert?486            print(result, error)487            counter += 1488            if counter == 12:489                dns_resolver.close()490                loop.stop()491        a_callback = callback492        return a_callback493    assert (make_callback() != make_callback())494    dns_resolver.resolve(b'google.com', make_callback())495    dns_resolver.resolve('google.com', make_callback())496    dns_resolver.resolve('baidu.com', make_callback())497    dns_resolver.resolve('map.baidu.com', make_callback())498    dns_resolver.resolve('yahoo.com', make_callback())499    dns_resolver.resolve('example.com', make_callback())500    dns_resolver.resolve('ipv6.google.com', make_callback())501    dns_resolver.resolve('www.facebook.com', make_callback())502    dns_resolver.resolve('ns2.google.com', make_callback())503    dns_resolver.resolve('invalid.@!#$%^&$@.hostname', make_callback())504    dns_resolver.resolve('toooooooooooooooooooooooooooooooooooooooooooooooooo'505                         'ooooooooooooooooooooooooooooooooooooooooooooooooooo'506                         'long.hostname', make_callback())507    dns_resolver.resolve('toooooooooooooooooooooooooooooooooooooooooooooooooo'508                         'ooooooooooooooooooooooooooooooooooooooooooooooooooo'509                         'ooooooooooooooooooooooooooooooooooooooooooooooooooo'510                         'ooooooooooooooooooooooooooooooooooooooooooooooooooo'511                         'ooooooooooooooooooooooooooooooooooooooooooooooooooo'512                         'ooooooooooooooooooooooooooooooooooooooooooooooooooo'513                         'long.hostname', make_callback())514    loop.run()515    # test black_hostname_list516    dns_resolver = DNSResolver(black_hostname_list=[])517    assert type(dns_resolver._black_hostname_list) == list518    assert len(dns_resolver._black_hostname_list) == 0519    dns_resolver.close()520    dns_resolver = DNSResolver(black_hostname_list=123)521    assert type(dns_resolver._black_hostname_list) == list522    assert len(dns_resolver._black_hostname_list) == 0523    dns_resolver.close()524    dns_resolver = DNSResolver(black_hostname_list=None)525    assert type(dns_resolver._black_hostname_list) == list526    assert len(dns_resolver._black_hostname_list) == 0527    dns_resolver.close()...

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