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