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# Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file.

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# Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file.
import sys
from unittest import TestCase, main
from ..ansi import Back, Fore, Style
from ..ansitowin32 import AnsiToWin32
stdout_orig = sys.stdout
stderr_orig = sys.stderr
class AnsiTest(TestCase):
def setUp(self):
# sanity check: stdout should be a file or StringIO object.
# It will only be AnsiToWin32 if init() has previously wrapped it
self.assertNotEqual(type(sys.stdout), AnsiToWin32)
self.assertNotEqual(type(sys.stderr), AnsiToWin32)
def tearDown(self):
sys.stdout = stdout_orig
sys.stderr = stderr_orig
def testForeAttributes(self):
self.assertEqual(Fore.BLACK, '\033[30m')
self.assertEqual(Fore.RED, '\033[31m')
self.assertEqual(Fore.GREEN, '\033[32m')
self.assertEqual(Fore.YELLOW, '\033[33m')
self.assertEqual(Fore.BLUE, '\033[34m')
self.assertEqual(Fore.MAGENTA, '\033[35m')
self.assertEqual(Fore.CYAN, '\033[36m')
self.assertEqual(Fore.WHITE, '\033[37m')
self.assertEqual(Fore.RESET, '\033[39m')
# Check the light, extended versions.
self.assertEqual(Fore.LIGHTBLACK_EX, '\033[90m')
self.assertEqual(Fore.LIGHTRED_EX, '\033[91m')
self.assertEqual(Fore.LIGHTGREEN_EX, '\033[92m')
self.assertEqual(Fore.LIGHTYELLOW_EX, '\033[93m')
self.assertEqual(Fore.LIGHTBLUE_EX, '\033[94m')
self.assertEqual(Fore.LIGHTMAGENTA_EX, '\033[95m')
self.assertEqual(Fore.LIGHTCYAN_EX, '\033[96m')
self.assertEqual(Fore.LIGHTWHITE_EX, '\033[97m')
def testBackAttributes(self):
self.assertEqual(Back.BLACK, '\033[40m')
self.assertEqual(Back.RED, '\033[41m')
self.assertEqual(Back.GREEN, '\033[42m')
self.assertEqual(Back.YELLOW, '\033[43m')
self.assertEqual(Back.BLUE, '\033[44m')
self.assertEqual(Back.MAGENTA, '\033[45m')
self.assertEqual(Back.CYAN, '\033[46m')
self.assertEqual(Back.WHITE, '\033[47m')
self.assertEqual(Back.RESET, '\033[49m')
# Check the light, extended versions.
self.assertEqual(Back.LIGHTBLACK_EX, '\033[100m')
self.assertEqual(Back.LIGHTRED_EX, '\033[101m')
self.assertEqual(Back.LIGHTGREEN_EX, '\033[102m')
self.assertEqual(Back.LIGHTYELLOW_EX, '\033[103m')
self.assertEqual(Back.LIGHTBLUE_EX, '\033[104m')
self.assertEqual(Back.LIGHTMAGENTA_EX, '\033[105m')
self.assertEqual(Back.LIGHTCYAN_EX, '\033[106m')
self.assertEqual(Back.LIGHTWHITE_EX, '\033[107m')
def testStyleAttributes(self):
self.assertEqual(Style.DIM, '\033[2m')
self.assertEqual(Style.NORMAL, '\033[22m')
self.assertEqual(Style.BRIGHT, '\033[1m')
if __name__ == '__main__':
main()

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# Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file.
from io import StringIO, TextIOWrapper
from unittest import TestCase, main
try:
from contextlib import ExitStack
except ImportError:
# python 2
from contextlib2 import ExitStack
try:
from unittest.mock import MagicMock, Mock, patch
except ImportError:
from mock import MagicMock, Mock, patch
from ..ansitowin32 import AnsiToWin32, StreamWrapper
from ..win32 import ENABLE_VIRTUAL_TERMINAL_PROCESSING
from .utils import osname
class StreamWrapperTest(TestCase):
def testIsAProxy(self):
mockStream = Mock()
wrapper = StreamWrapper(mockStream, None)
self.assertTrue( wrapper.random_attr is mockStream.random_attr )
def testDelegatesWrite(self):
mockStream = Mock()
mockConverter = Mock()
wrapper = StreamWrapper(mockStream, mockConverter)
wrapper.write('hello')
self.assertTrue(mockConverter.write.call_args, (('hello',), {}))
def testDelegatesContext(self):
mockConverter = Mock()
s = StringIO()
with StreamWrapper(s, mockConverter) as fp:
fp.write(u'hello')
self.assertTrue(s.closed)
def testProxyNoContextManager(self):
mockStream = MagicMock()
mockStream.__enter__.side_effect = AttributeError()
mockConverter = Mock()
with self.assertRaises(AttributeError) as excinfo:
with StreamWrapper(mockStream, mockConverter) as wrapper:
wrapper.write('hello')
def test_closed_shouldnt_raise_on_closed_stream(self):
stream = StringIO()
stream.close()
wrapper = StreamWrapper(stream, None)
self.assertEqual(wrapper.closed, True)
def test_closed_shouldnt_raise_on_detached_stream(self):
stream = TextIOWrapper(StringIO())
stream.detach()
wrapper = StreamWrapper(stream, None)
self.assertEqual(wrapper.closed, True)
class AnsiToWin32Test(TestCase):
def testInit(self):
mockStdout = Mock()
auto = Mock()
stream = AnsiToWin32(mockStdout, autoreset=auto)
self.assertEqual(stream.wrapped, mockStdout)
self.assertEqual(stream.autoreset, auto)
@patch('colorama.ansitowin32.winterm', None)
@patch('colorama.ansitowin32.winapi_test', lambda *_: True)
def testStripIsTrueOnWindows(self):
with osname('nt'):
mockStdout = Mock()
stream = AnsiToWin32(mockStdout)
self.assertTrue(stream.strip)
def testStripIsFalseOffWindows(self):
with osname('posix'):
mockStdout = Mock(closed=False)
stream = AnsiToWin32(mockStdout)
self.assertFalse(stream.strip)
def testWriteStripsAnsi(self):
mockStdout = Mock()
stream = AnsiToWin32(mockStdout)
stream.wrapped = Mock()
stream.write_and_convert = Mock()
stream.strip = True
stream.write('abc')
self.assertFalse(stream.wrapped.write.called)
self.assertEqual(stream.write_and_convert.call_args, (('abc',), {}))
def testWriteDoesNotStripAnsi(self):
mockStdout = Mock()
stream = AnsiToWin32(mockStdout)
stream.wrapped = Mock()
stream.write_and_convert = Mock()
stream.strip = False
stream.convert = False
stream.write('abc')
self.assertFalse(stream.write_and_convert.called)
self.assertEqual(stream.wrapped.write.call_args, (('abc',), {}))
def assert_autoresets(self, convert, autoreset=True):
stream = AnsiToWin32(Mock())
stream.convert = convert
stream.reset_all = Mock()
stream.autoreset = autoreset
stream.winterm = Mock()
stream.write('abc')
self.assertEqual(stream.reset_all.called, autoreset)
def testWriteAutoresets(self):
self.assert_autoresets(convert=True)
self.assert_autoresets(convert=False)
self.assert_autoresets(convert=True, autoreset=False)
self.assert_autoresets(convert=False, autoreset=False)
def testWriteAndConvertWritesPlainText(self):
stream = AnsiToWin32(Mock())
stream.write_and_convert( 'abc' )
self.assertEqual( stream.wrapped.write.call_args, (('abc',), {}) )
def testWriteAndConvertStripsAllValidAnsi(self):
stream = AnsiToWin32(Mock())
stream.call_win32 = Mock()
data = [
'abc\033[mdef',
'abc\033[0mdef',
'abc\033[2mdef',
'abc\033[02mdef',
'abc\033[002mdef',
'abc\033[40mdef',
'abc\033[040mdef',
'abc\033[0;1mdef',
'abc\033[40;50mdef',
'abc\033[50;30;40mdef',
'abc\033[Adef',
'abc\033[0Gdef',
'abc\033[1;20;128Hdef',
]
for datum in data:
stream.wrapped.write.reset_mock()
stream.write_and_convert( datum )
self.assertEqual(
[args[0] for args in stream.wrapped.write.call_args_list],
[ ('abc',), ('def',) ]
)
def testWriteAndConvertSkipsEmptySnippets(self):
stream = AnsiToWin32(Mock())
stream.call_win32 = Mock()
stream.write_and_convert( '\033[40m\033[41m' )
self.assertFalse( stream.wrapped.write.called )
def testWriteAndConvertCallsWin32WithParamsAndCommand(self):
stream = AnsiToWin32(Mock())
stream.convert = True
stream.call_win32 = Mock()
stream.extract_params = Mock(return_value='params')
data = {
'abc\033[adef': ('a', 'params'),
'abc\033[;;bdef': ('b', 'params'),
'abc\033[0cdef': ('c', 'params'),
'abc\033[;;0;;Gdef': ('G', 'params'),
'abc\033[1;20;128Hdef': ('H', 'params'),
}
for datum, expected in data.items():
stream.call_win32.reset_mock()
stream.write_and_convert( datum )
self.assertEqual( stream.call_win32.call_args[0], expected )
def test_reset_all_shouldnt_raise_on_closed_orig_stdout(self):
stream = StringIO()
converter = AnsiToWin32(stream)
stream.close()
converter.reset_all()
def test_wrap_shouldnt_raise_on_closed_orig_stdout(self):
stream = StringIO()
stream.close()
with \
patch("colorama.ansitowin32.os.name", "nt"), \
patch("colorama.ansitowin32.winapi_test", lambda: True):
converter = AnsiToWin32(stream)
self.assertTrue(converter.strip)
self.assertFalse(converter.convert)
def test_wrap_shouldnt_raise_on_missing_closed_attr(self):
with \
patch("colorama.ansitowin32.os.name", "nt"), \
patch("colorama.ansitowin32.winapi_test", lambda: True):
converter = AnsiToWin32(object())
self.assertTrue(converter.strip)
self.assertFalse(converter.convert)
def testExtractParams(self):
stream = AnsiToWin32(Mock())
data = {
'': (0,),
';;': (0,),
'2': (2,),
';;002;;': (2,),
'0;1': (0, 1),
';;003;;456;;': (3, 456),
'11;22;33;44;55': (11, 22, 33, 44, 55),
}
for datum, expected in data.items():
self.assertEqual(stream.extract_params('m', datum), expected)
def testCallWin32UsesLookup(self):
listener = Mock()
stream = AnsiToWin32(listener)
stream.win32_calls = {
1: (lambda *_, **__: listener(11),),
2: (lambda *_, **__: listener(22),),
3: (lambda *_, **__: listener(33),),
}
stream.call_win32('m', (3, 1, 99, 2))
self.assertEqual(
[a[0][0] for a in listener.call_args_list],
[33, 11, 22] )
def test_osc_codes(self):
mockStdout = Mock()
stream = AnsiToWin32(mockStdout, convert=True)
with patch('colorama.ansitowin32.winterm') as winterm:
data = [
'\033]0\x07', # missing arguments
'\033]0;foo\x08', # wrong OSC command
'\033]0;colorama_test_title\x07', # should work
'\033]1;colorama_test_title\x07', # wrong set command
'\033]2;colorama_test_title\x07', # should work
'\033]' + ';' * 64 + '\x08', # see issue #247
]
for code in data:
stream.write(code)
self.assertEqual(winterm.set_title.call_count, 2)
def test_native_windows_ansi(self):
with ExitStack() as stack:
def p(a, b):
stack.enter_context(patch(a, b, create=True))
# Pretend to be on Windows
p("colorama.ansitowin32.os.name", "nt")
p("colorama.ansitowin32.winapi_test", lambda: True)
p("colorama.win32.winapi_test", lambda: True)
p("colorama.winterm.win32.windll", "non-None")
p("colorama.winterm.get_osfhandle", lambda _: 1234)
# Pretend that our mock stream has native ANSI support
p(
"colorama.winterm.win32.GetConsoleMode",
lambda _: ENABLE_VIRTUAL_TERMINAL_PROCESSING,
)
SetConsoleMode = Mock()
p("colorama.winterm.win32.SetConsoleMode", SetConsoleMode)
stdout = Mock()
stdout.closed = False
stdout.isatty.return_value = True
stdout.fileno.return_value = 1
# Our fake console says it has native vt support, so AnsiToWin32 should
# enable that support and do nothing else.
stream = AnsiToWin32(stdout)
SetConsoleMode.assert_called_with(1234, ENABLE_VIRTUAL_TERMINAL_PROCESSING)
self.assertFalse(stream.strip)
self.assertFalse(stream.convert)
self.assertFalse(stream.should_wrap())
# Now let's pretend we're on an old Windows console, that doesn't have
# native ANSI support.
p("colorama.winterm.win32.GetConsoleMode", lambda _: 0)
SetConsoleMode = Mock()
p("colorama.winterm.win32.SetConsoleMode", SetConsoleMode)
stream = AnsiToWin32(stdout)
SetConsoleMode.assert_called_with(1234, ENABLE_VIRTUAL_TERMINAL_PROCESSING)
self.assertTrue(stream.strip)
self.assertTrue(stream.convert)
self.assertTrue(stream.should_wrap())
if __name__ == '__main__':
main()

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# Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file.
import sys
from unittest import TestCase, main, skipUnless
try:
from unittest.mock import patch, Mock
except ImportError:
from mock import patch, Mock
from ..ansitowin32 import StreamWrapper
from ..initialise import init, just_fix_windows_console, _wipe_internal_state_for_tests
from .utils import osname, replace_by
orig_stdout = sys.stdout
orig_stderr = sys.stderr
class InitTest(TestCase):
@skipUnless(sys.stdout.isatty(), "sys.stdout is not a tty")
def setUp(self):
# sanity check
self.assertNotWrapped()
def tearDown(self):
_wipe_internal_state_for_tests()
sys.stdout = orig_stdout
sys.stderr = orig_stderr
def assertWrapped(self):
self.assertIsNot(sys.stdout, orig_stdout, 'stdout should be wrapped')
self.assertIsNot(sys.stderr, orig_stderr, 'stderr should be wrapped')
self.assertTrue(isinstance(sys.stdout, StreamWrapper),
'bad stdout wrapper')
self.assertTrue(isinstance(sys.stderr, StreamWrapper),
'bad stderr wrapper')
def assertNotWrapped(self):
self.assertIs(sys.stdout, orig_stdout, 'stdout should not be wrapped')
self.assertIs(sys.stderr, orig_stderr, 'stderr should not be wrapped')
@patch('colorama.initialise.reset_all')
@patch('colorama.ansitowin32.winapi_test', lambda *_: True)
@patch('colorama.ansitowin32.enable_vt_processing', lambda *_: False)
def testInitWrapsOnWindows(self, _):
with osname("nt"):
init()
self.assertWrapped()
@patch('colorama.initialise.reset_all')
@patch('colorama.ansitowin32.winapi_test', lambda *_: False)
def testInitDoesntWrapOnEmulatedWindows(self, _):
with osname("nt"):
init()
self.assertNotWrapped()
def testInitDoesntWrapOnNonWindows(self):
with osname("posix"):
init()
self.assertNotWrapped()
def testInitDoesntWrapIfNone(self):
with replace_by(None):
init()
# We can't use assertNotWrapped here because replace_by(None)
# changes stdout/stderr already.
self.assertIsNone(sys.stdout)
self.assertIsNone(sys.stderr)
def testInitAutoresetOnWrapsOnAllPlatforms(self):
with osname("posix"):
init(autoreset=True)
self.assertWrapped()
def testInitWrapOffDoesntWrapOnWindows(self):
with osname("nt"):
init(wrap=False)
self.assertNotWrapped()
def testInitWrapOffIncompatibleWithAutoresetOn(self):
self.assertRaises(ValueError, lambda: init(autoreset=True, wrap=False))
@patch('colorama.win32.SetConsoleTextAttribute')
@patch('colorama.initialise.AnsiToWin32')
def testAutoResetPassedOn(self, mockATW32, _):
with osname("nt"):
init(autoreset=True)
self.assertEqual(len(mockATW32.call_args_list), 2)
self.assertEqual(mockATW32.call_args_list[1][1]['autoreset'], True)
self.assertEqual(mockATW32.call_args_list[0][1]['autoreset'], True)
@patch('colorama.initialise.AnsiToWin32')
def testAutoResetChangeable(self, mockATW32):
with osname("nt"):
init()
init(autoreset=True)
self.assertEqual(len(mockATW32.call_args_list), 4)
self.assertEqual(mockATW32.call_args_list[2][1]['autoreset'], True)
self.assertEqual(mockATW32.call_args_list[3][1]['autoreset'], True)
init()
self.assertEqual(len(mockATW32.call_args_list), 6)
self.assertEqual(
mockATW32.call_args_list[4][1]['autoreset'], False)
self.assertEqual(
mockATW32.call_args_list[5][1]['autoreset'], False)
@patch('colorama.initialise.atexit.register')
def testAtexitRegisteredOnlyOnce(self, mockRegister):
init()
self.assertTrue(mockRegister.called)
mockRegister.reset_mock()
init()
self.assertFalse(mockRegister.called)
class JustFixWindowsConsoleTest(TestCase):
def _reset(self):
_wipe_internal_state_for_tests()
sys.stdout = orig_stdout
sys.stderr = orig_stderr
def tearDown(self):
self._reset()
@patch("colorama.ansitowin32.winapi_test", lambda: True)
def testJustFixWindowsConsole(self):
if sys.platform != "win32":
# just_fix_windows_console should be a no-op
just_fix_windows_console()
self.assertIs(sys.stdout, orig_stdout)
self.assertIs(sys.stderr, orig_stderr)
else:
def fake_std():
# Emulate stdout=not a tty, stderr=tty
# to check that we handle both cases correctly
stdout = Mock()
stdout.closed = False
stdout.isatty.return_value = False
stdout.fileno.return_value = 1
sys.stdout = stdout
stderr = Mock()
stderr.closed = False
stderr.isatty.return_value = True
stderr.fileno.return_value = 2
sys.stderr = stderr
for native_ansi in [False, True]:
with patch(
'colorama.ansitowin32.enable_vt_processing',
lambda *_: native_ansi
):
self._reset()
fake_std()
# Regular single-call test
prev_stdout = sys.stdout
prev_stderr = sys.stderr
just_fix_windows_console()
self.assertIs(sys.stdout, prev_stdout)
if native_ansi:
self.assertIs(sys.stderr, prev_stderr)
else:
self.assertIsNot(sys.stderr, prev_stderr)
# second call without resetting is always a no-op
prev_stdout = sys.stdout
prev_stderr = sys.stderr
just_fix_windows_console()
self.assertIs(sys.stdout, prev_stdout)
self.assertIs(sys.stderr, prev_stderr)
self._reset()
fake_std()
# If init() runs first, just_fix_windows_console should be a no-op
init()
prev_stdout = sys.stdout
prev_stderr = sys.stderr
just_fix_windows_console()
self.assertIs(prev_stdout, sys.stdout)
self.assertIs(prev_stderr, sys.stderr)
if __name__ == '__main__':
main()

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# Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file.
import sys
from unittest import TestCase, main
from ..ansitowin32 import StreamWrapper, AnsiToWin32
from .utils import pycharm, replace_by, replace_original_by, StreamTTY, StreamNonTTY
def is_a_tty(stream):
return StreamWrapper(stream, None).isatty()
class IsattyTest(TestCase):
def test_TTY(self):
tty = StreamTTY()
self.assertTrue(is_a_tty(tty))
with pycharm():
self.assertTrue(is_a_tty(tty))
def test_nonTTY(self):
non_tty = StreamNonTTY()
self.assertFalse(is_a_tty(non_tty))
with pycharm():
self.assertFalse(is_a_tty(non_tty))
def test_withPycharm(self):
with pycharm():
self.assertTrue(is_a_tty(sys.stderr))
self.assertTrue(is_a_tty(sys.stdout))
def test_withPycharmTTYOverride(self):
tty = StreamTTY()
with pycharm(), replace_by(tty):
self.assertTrue(is_a_tty(tty))
def test_withPycharmNonTTYOverride(self):
non_tty = StreamNonTTY()
with pycharm(), replace_by(non_tty):
self.assertFalse(is_a_tty(non_tty))
def test_withPycharmNoneOverride(self):
with pycharm():
with replace_by(None), replace_original_by(None):
self.assertFalse(is_a_tty(None))
self.assertFalse(is_a_tty(StreamNonTTY()))
self.assertTrue(is_a_tty(StreamTTY()))
def test_withPycharmStreamWrapped(self):
with pycharm():
self.assertTrue(AnsiToWin32(StreamTTY()).stream.isatty())
self.assertFalse(AnsiToWin32(StreamNonTTY()).stream.isatty())
self.assertTrue(AnsiToWin32(sys.stdout).stream.isatty())
self.assertTrue(AnsiToWin32(sys.stderr).stream.isatty())
if __name__ == '__main__':
main()