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# pylint: disable=missing-module-docstring
# pylint: disable=invalid-name
# pylint: disable=missing-function-docstring
import platform
import pytest
from smartcard.Exceptions import (
CardConnectionException,
CardRequestTimeoutException,
InvalidATRMaskLengthException,
InvalidReaderException,
ListReadersException,
NoCardException,
NoReadersException,
SmartcardException,
)
from smartcard.scard import (
SCARD_E_NO_SERVICE,
SCARD_E_NOT_TRANSACTED,
SCARD_E_UNKNOWN_READER,
SCARD_PROTOCOL_ANY,
SCARD_S_SUCCESS,
SCARD_SCOPE_USER,
SCARD_SHARE_SHARED,
SCARD_W_REMOVED_CARD,
SCardConnect,
SCardEstablishContext,
)
def test_hresult_value():
exc = SmartcardException()
assert exc.hresult == -1
def test_list_readers_exception():
# pylint: disable=duplicate-code
exc = ListReadersException(-1)
assert str(exc) == "Failed to list readers"
exc = ListReadersException(0)
assert exc.hresult == 0
text = str(exc)
if platform.system() == "Windows":
expected = (
"Failed to list readers: "
"The operation completed successfully. (0x00000000)"
)
else:
expected = "Failed to list readers: Command successful. (0x00000000)"
assert text == expected
exc = ListReadersException(0x42)
assert exc.hresult == 0x42
text = str(exc)
if platform.system() != "Windows":
expected = "Failed to list readers: Unknown error: 0x00000042 (0x00000042)"
macos_bug_expected = expected.replace("Unknown", "Unkown")
assert text in (expected, macos_bug_expected)
exc = ListReadersException(SCARD_S_SUCCESS)
assert exc.hresult == 0
exc = ListReadersException(SCARD_E_NO_SERVICE)
assert exc.hresult == SCARD_E_NO_SERVICE
text = str(exc)
if platform.system() == "Windows":
expected = (
"Failed to list readers: "
"The Smart Card Resource Manager is not running. (0x8010001D)"
)
else:
expected = "Failed to list readers: Service not available. (0x8010001D)"
assert text == expected
exc = ListReadersException(SCARD_E_NOT_TRANSACTED)
if platform.system() == "Windows":
expected = (
"Failed to list readers: "
"An attempt was made to end a non-existent transaction. (0x80100016)"
)
else:
expected = "Failed to list readers: Transaction failed. (0x80100016)"
assert str(exc) == expected
def test_no_readers_exception():
exc = NoReadersException()
assert exc.hresult == -1
text = str(exc)
assert text == "No reader found"
def test_invalid_reader_exception():
exc = InvalidReaderException("foobar")
assert exc.hresult == -1
text = str(exc)
assert text == "Invalid reader: foobar"
def test_card_connection_exception():
exc = CardConnectionException()
assert exc.hresult == -1
text = str(exc)
assert text == ""
exc = CardConnectionException(hresult=SCARD_W_REMOVED_CARD)
assert exc.hresult == SCARD_W_REMOVED_CARD
text = str(exc)
if platform.system() == "Windows":
expected = (
"The smart card has been removed, "
"so that further communication is not possible. (0x80100069)"
)
else:
expected = "Card was removed. (0x80100069)"
assert text == expected
exc = CardConnectionException("", SCARD_W_REMOVED_CARD)
assert exc.hresult == SCARD_W_REMOVED_CARD
text = str(exc)
assert text == expected
# now add "foo" in the message
expected = "foo: " + expected
exc = CardConnectionException("foo", SCARD_W_REMOVED_CARD)
assert exc.hresult == SCARD_W_REMOVED_CARD
text = str(exc)
assert text == expected
exc = CardConnectionException(hresult=SCARD_W_REMOVED_CARD, message="foo")
assert exc.hresult == SCARD_W_REMOVED_CARD
text = str(exc)
assert text == expected
def test_hresult():
hresult, hcontext = SCardEstablishContext(SCARD_SCOPE_USER)
if hresult == SCARD_S_SUCCESS:
hresult, _, _ = SCardConnect(
hcontext, "INVALID READER NAME", SCARD_SHARE_SHARED, SCARD_PROTOCOL_ANY
)
assert hresult == SCARD_E_UNKNOWN_READER
else:
assert hresult == SCARD_E_NO_SERVICE
@pytest.mark.parametrize("arg", ([0], "foo"))
def test_wrong_type(arg):
# SCardEstablishContext() argument should be int
with pytest.raises(TypeError):
SCardEstablishContext(arg)
def test_card_request_timeout_exception():
exc = CardRequestTimeoutException()
assert str(exc) == "Time-out during card request"
exc = CardRequestTimeoutException(SCARD_E_NOT_TRANSACTED)
if platform.system() == "Windows":
expected = (
"Time-out during card request: "
"An attempt was made to end a non-existent transaction. (0x80100016)"
)
else:
expected = "Time-out during card request: Transaction failed. (0x80100016)"
assert str(exc) == expected
exc = CardRequestTimeoutException(hresult=SCARD_E_NOT_TRANSACTED)
assert str(exc) == expected
def test_invalid_atr_mask_length_exception():
exc = InvalidATRMaskLengthException("3B 00")
assert str(exc) == "Invalid ATR mask length: 3B 00"
def test_no_card_exception():
exc = NoCardException("foo bar", -1)
assert str(exc) == "foo bar"
exc = NoCardException("foo bar", SCARD_E_NOT_TRANSACTED)
if platform.system() == "Windows":
expected = (
"foo bar: "
"An attempt was made to end a non-existent transaction. (0x80100016)"
)
else:
expected = "foo bar: Transaction failed. (0x80100016)"
assert str(exc) == expected
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