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# coding=utf-8
from mitmproxy.net import check
def test_is_valid_host():
assert not check.is_valid_host(b"")
assert not check.is_valid_host(b"xn--ke.ws")
assert check.is_valid_host(b"one.two")
assert not check.is_valid_host(b"one" * 255)
assert check.is_valid_host(b"one.two.")
# Allow underscore
assert check.is_valid_host(b"one_two")
assert check.is_valid_host(b"::1")
# IPv6 Validations
assert check.is_valid_host(b'2001:0db8:85a3:0000:0000:8a2e:0370:7334')
assert check.is_valid_host(b'2001:db8:85a3:0:0:8a2e:370:7334')
assert check.is_valid_host(b'2001:db8:85a3::8a2e:370:7334')
assert not check.is_valid_host(b'2001:db8::85a3::7334')
assert check.is_valid_host(b'2001-db8-85a3-8d3-1319-8a2e-370-7348.ipv6-literal.net')
# TLD must be between 2 and 63 chars
assert not check.is_valid_host(b'example.t')
assert check.is_valid_host(b'example.tl')
assert check.is_valid_host(b'example.tld')
assert check.is_valid_host(b'example.' + b"x" * 63)
assert not check.is_valid_host(b'example.' + b"x" * 64)
# misc characters test
assert not check.is_valid_host(b'ex@mple')
assert not check.is_valid_host(b'ex@mple.com')
assert not check.is_valid_host(b'example..com')
assert not check.is_valid_host(b'.example.com')
assert not check.is_valid_host(b'@.example.com')
assert not check.is_valid_host(b'!.example.com')
# Every label must be between 1 and 63 chars
assert not check.is_valid_host(b'.tld')
assert check.is_valid_host(b'x' * 1 + b'.tld')
assert check.is_valid_host(b'x' * 30 + b'.tld')
assert not check.is_valid_host(b'x' * 64 + b'.tld')
assert check.is_valid_host(b'x' * 1 + b'.example.tld')
assert check.is_valid_host(b'x' * 30 + b'.example.tld')
assert not check.is_valid_host(b'x' * 64 + b'.example.tld')
# Misc Underscore Test Cases
assert check.is_valid_host(b'_example')
assert check.is_valid_host(b'_example_')
assert check.is_valid_host(b'example_')
assert check.is_valid_host(b'_a.example.tld')
assert check.is_valid_host(b'a_.example.tld')
assert check.is_valid_host(b'_a_.example.tld')
assert not check.is_valid_host(b'a._example')
assert not check.is_valid_host(b'a._example_')
assert not check.is_valid_host(b'a.example_')
# Misc Dash/Hyphen/Minus Test Cases
assert check.is_valid_host(b'-example')
assert check.is_valid_host(b'-example_')
assert check.is_valid_host(b'example-')
assert check.is_valid_host(b'-a.example.tld')
assert check.is_valid_host(b'a-.example.tld')
assert check.is_valid_host(b'-a-.example.tld')
assert not check.is_valid_host(b'a.-example')
assert not check.is_valid_host(b'a.-example-')
assert not check.is_valid_host(b'a.example-')
# Misc Combo Test Cases
assert check.is_valid_host(b'api-.example.com')
assert check.is_valid_host(b'__a.example-site.com')
assert check.is_valid_host(b'_-a.example-site.com')
assert check.is_valid_host(b'_a_.example-site.com')
assert check.is_valid_host(b'-a-.example-site.com')
assert check.is_valid_host(b'api-.a.example.com')
assert check.is_valid_host(b'api-._a.example.com')
assert check.is_valid_host(b'api-.a_.example.com')
assert check.is_valid_host(b'api-.ab.example.com')
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