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from mitmproxy.utils import strutils
from netlib import tutils
def test_always_bytes():
assert strutils.always_bytes(bytes(bytearray(range(256)))) == bytes(bytearray(range(256)))
assert strutils.always_bytes("foo") == b"foo"
with tutils.raises(ValueError):
strutils.always_bytes(u"\u2605", "ascii")
with tutils.raises(TypeError):
strutils.always_bytes(42, "ascii")
def test_native():
with tutils.raises(TypeError):
strutils.native(42)
assert strutils.native(u"foo") == u"foo"
assert strutils.native(b"foo") == u"foo"
def test_escape_control_characters():
assert strutils.escape_control_characters(u"one") == u"one"
assert strutils.escape_control_characters(u"\00ne") == u".ne"
assert strutils.escape_control_characters(u"\nne") == u"\nne"
assert strutils.escape_control_characters(u"\nne", False) == u".ne"
assert strutils.escape_control_characters(u"\u2605") == u"\u2605"
assert (
strutils.escape_control_characters(bytes(bytearray(range(128))).decode()) ==
u'.........\t\n..\r.................. !"#$%&\'()*+,-./0123456789:;<'
u'=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~.'
)
assert (
strutils.escape_control_characters(bytes(bytearray(range(128))).decode(), False) ==
u'................................ !"#$%&\'()*+,-./0123456789:;<'
u'=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~.'
)
with tutils.raises(ValueError):
strutils.escape_control_characters(b"foo")
def test_bytes_to_escaped_str():
assert strutils.bytes_to_escaped_str(b"foo") == "foo"
assert strutils.bytes_to_escaped_str(b"\b") == r"\x08"
assert strutils.bytes_to_escaped_str(br"&!?=\)") == r"&!?=\\)"
assert strutils.bytes_to_escaped_str(b'\xc3\xbc') == r"\xc3\xbc"
assert strutils.bytes_to_escaped_str(b"'") == r"'"
assert strutils.bytes_to_escaped_str(b'"') == r'"'
assert strutils.bytes_to_escaped_str(b"'", escape_single_quotes=True) == r"\'"
assert strutils.bytes_to_escaped_str(b'"', escape_single_quotes=True) == r'"'
assert strutils.bytes_to_escaped_str(b"\r\n\t") == "\\r\\n\\t"
assert strutils.bytes_to_escaped_str(b"\r\n\t", True) == "\r\n\t"
assert strutils.bytes_to_escaped_str(b"\n", True) == "\n"
assert strutils.bytes_to_escaped_str(b"\\n", True) == "\\ \\ n".replace(" ", "")
assert strutils.bytes_to_escaped_str(b"\\\n", True) == "\\ \\ \n".replace(" ", "")
assert strutils.bytes_to_escaped_str(b"\\\\n", True) == "\\ \\ \\ \\ n".replace(" ", "")
with tutils.raises(ValueError):
strutils.bytes_to_escaped_str(u"such unicode")
def test_escaped_str_to_bytes():
assert strutils.escaped_str_to_bytes("foo") == b"foo"
assert strutils.escaped_str_to_bytes("\x08") == b"\b"
assert strutils.escaped_str_to_bytes("&!?=\\\\)") == br"&!?=\)"
assert strutils.escaped_str_to_bytes(u"\\x08") == b"\b"
assert strutils.escaped_str_to_bytes(u"&!?=\\\\)") == br"&!?=\)"
assert strutils.escaped_str_to_bytes(u"\u00fc") == b'\xc3\xbc'
with tutils.raises(ValueError):
strutils.escaped_str_to_bytes(b"very byte")
def test_is_mostly_bin():
assert not strutils.is_mostly_bin(b"foo\xFF")
assert strutils.is_mostly_bin(b"foo" + b"\xFF" * 10)
assert not strutils.is_mostly_bin("")
def test_is_xml():
assert not strutils.is_xml(b"foo")
assert strutils.is_xml(b"<foo")
assert strutils.is_xml(b" \n<foo")
def test_clean_hanging_newline():
s = "foo\n"
assert strutils.clean_hanging_newline(s) == "foo"
assert strutils.clean_hanging_newline("foo") == "foo"
def test_hexdump():
assert list(strutils.hexdump(b"one\0" * 10))
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