299 lines
11 KiB
Python
299 lines
11 KiB
Python
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import unittest
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import sys
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import fixtures # type: ignore
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import typing
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from autopage import command
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class MoreTest(unittest.TestCase):
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def setUp(self) -> None:
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self.cmd = command.More()
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def test_cmd(self) -> None:
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self.assertEqual(['more'], self.cmd.command())
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def test_less_env_defaults(self) -> None:
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config = command.PagerConfig(color=True,
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line_buffering_requested=False,
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reset_terminal=False)
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self.assertIsNone(self.cmd.environment_variables(config))
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class LessTest(unittest.TestCase):
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def setUp(self) -> None:
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self.cmd: command.PagerCommand = command.Less()
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def _env(self, config: command.PagerConfig) -> typing.Dict:
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return self.cmd.environment_variables(config) or {}
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def test_cmd(self) -> None:
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self.assertEqual(['less'], self.cmd.command())
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def test_less_env_defaults(self) -> None:
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config = command.PagerConfig(color=True,
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line_buffering_requested=False,
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reset_terminal=False)
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less_env = self._env(config)['LESS']
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self.assertEqual('RFX', less_env)
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def test_less_env_nocolor(self) -> None:
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config = command.PagerConfig(color=False,
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line_buffering_requested=False,
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reset_terminal=False)
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less_env = self._env(config)['LESS']
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self.assertEqual('FX', less_env)
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def test_less_env_reset(self) -> None:
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config = command.PagerConfig(color=True,
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line_buffering_requested=False,
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reset_terminal=True)
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less_env = self._env(config)['LESS']
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self.assertEqual('R', less_env)
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def test_less_env_nocolor_reset(self) -> None:
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config = command.PagerConfig(color=False,
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line_buffering_requested=False,
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reset_terminal=True)
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self.assertNotIn('LESS', self._env(config))
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def test_less_env_linebuffered(self) -> None:
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config = command.PagerConfig(color=True,
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line_buffering_requested=True,
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reset_terminal=False)
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less_env = self._env(config)['LESS']
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self.assertEqual('RX', less_env)
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def test_less_env_linebuffered_reset(self) -> None:
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config = command.PagerConfig(color=True,
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line_buffering_requested=True,
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reset_terminal=True)
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less_env = self._env(config)['LESS']
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self.assertEqual('R', less_env)
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def test_less_env_linebuffered_nocolor(self) -> None:
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config = command.PagerConfig(color=False,
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line_buffering_requested=True,
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reset_terminal=False)
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less_env = self._env(config)['LESS']
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self.assertEqual('X', less_env)
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def test_less_env_linebuffered_nocolor_reset(self) -> None:
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config = command.PagerConfig(color=False,
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line_buffering_requested=True,
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reset_terminal=True)
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self.assertNotIn('LESS', self._env(config))
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def test_less_env_override(self) -> None:
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config = command.PagerConfig(color=True,
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line_buffering_requested=False,
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reset_terminal=False)
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with fixtures.EnvironmentVariable('LESS', 'abc'):
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env = self._env(config)
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self.assertNotIn('LESS', env)
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class LVTest(unittest.TestCase):
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def setUp(self) -> None:
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self.cmd: command.PagerCommand = command.LV()
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def _env(self, config: command.PagerConfig) -> typing.Dict:
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return self.cmd.environment_variables(config) or {}
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def test_cmd(self) -> None:
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self.assertEqual(['lv'], self.cmd.command())
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def test_lv_env_defaults(self) -> None:
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config = command.PagerConfig(color=True,
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line_buffering_requested=False,
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reset_terminal=False)
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lv_env = self._env(config)['LV']
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self.assertEqual('-c', lv_env)
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def test_lv_env_nocolor(self) -> None:
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config = command.PagerConfig(color=False,
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line_buffering_requested=False,
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reset_terminal=False)
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self.assertNotIn('LV', self._env(config))
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def test_lv_env_reset(self) -> None:
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config = command.PagerConfig(color=True,
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line_buffering_requested=False,
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reset_terminal=True)
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lv_env = self._env(config)['LV']
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self.assertEqual('-c', lv_env)
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def test_lv_env_nocolor_reset(self) -> None:
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config = command.PagerConfig(color=False,
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line_buffering_requested=False,
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reset_terminal=True)
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self.assertNotIn('LV', self._env(config))
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def test_lv_env_linebuffered(self) -> None:
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config = command.PagerConfig(color=True,
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line_buffering_requested=True,
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reset_terminal=False)
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lv_env = self._env(config)['LV']
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self.assertEqual('-c', lv_env)
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def test_lv_env_linebuffered_reset(self) -> None:
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config = command.PagerConfig(color=True,
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line_buffering_requested=True,
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reset_terminal=True)
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lv_env = self._env(config)['LV']
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self.assertEqual('-c', lv_env)
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def test_lv_env_linebuffered_nocolor(self) -> None:
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config = command.PagerConfig(color=False,
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line_buffering_requested=True,
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reset_terminal=False)
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self.assertNotIn('LV', self._env(config))
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def test_lv_env_linebuffered_nocolor_reset(self) -> None:
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config = command.PagerConfig(color=False,
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line_buffering_requested=True,
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reset_terminal=True)
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self.assertNotIn('LV', self._env(config))
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def test_lv_env_override(self) -> None:
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config = command.PagerConfig(color=True,
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line_buffering_requested=False,
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reset_terminal=False)
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with fixtures.EnvironmentVariable('LV', 'abc'):
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env = self._env(config)
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self.assertNotIn('LV', env)
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class DefaultTest(LessTest, LVTest):
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def setUp(self) -> None:
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with fixtures.EnvironmentVariable('PAGER', 'less "-r" +F'):
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self.cmd = command.DefaultPager()
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def test_cmd(self) -> None:
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self.assertEqual(['less', '-r', '+F'], self.cmd.command())
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def test_default_cmd(self) -> None:
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with fixtures.EnvironmentVariable('PAGER'):
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cmd = command.DefaultPager()
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self.assertEqual(command.PlatformPager().command(),
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cmd.command())
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class UserSpecifiedTest(DefaultTest):
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def setUp(self) -> None:
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with fixtures.EnvironmentVariable('FOO_PAGER', 'less "-r" +F'):
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self.cmd = command.UserSpecifiedPager('FOO_PAGER')
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def test_env_var_priority_cmd(self) -> None:
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with fixtures.EnvironmentVariable('FOO', 'foo'):
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cmd = command.UserSpecifiedPager('FOO', 'BAR')
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self.assertEqual(['foo'], cmd.command())
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def test_env_var_fallthrough_cmd(self) -> None:
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with fixtures.EnvironmentVariable('BAR', 'bar'):
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cmd = command.UserSpecifiedPager('FOO', 'BAR')
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self.assertEqual(['bar'], cmd.command())
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def test_default_cmd(self) -> None:
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with fixtures.EnvironmentVariable('FOO'):
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with fixtures.EnvironmentVariable('BAR'):
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cmd = command.UserSpecifiedPager('FOO', 'BAR')
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self.assertEqual(command.PlatformPager().command(),
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cmd.command())
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class PlatformFixture(fixtures.Fixture):
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def __init__(self, platform: str):
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self.platform = platform
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def _setUp(self) -> None:
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self.addCleanup(setattr, sys, 'platform', sys.platform)
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sys.platform = self.platform
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class PlatformTest(unittest.TestCase):
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def test_aix_cmd(self) -> None:
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with PlatformFixture('aix'):
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cmd = command.PlatformPager()
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self.assertEqual(['more'], cmd.command())
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# Prior to Python 3.8, the version number was included
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with PlatformFixture('aix7'):
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cmd = command.PlatformPager()
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self.assertEqual(['more'], cmd.command())
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def test_linux_cmd(self) -> None:
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with PlatformFixture('linux'):
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cmd = command.PlatformPager()
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self.assertEqual(['less'], cmd.command())
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def test_win32_cmd(self) -> None:
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with PlatformFixture('win32'):
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cmd = command.PlatformPager()
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self.assertEqual(['more.com'], cmd.command())
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def test_cygwin_cmd(self) -> None:
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with PlatformFixture('cygwin'):
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cmd = command.PlatformPager()
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self.assertEqual(['less'], cmd.command())
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def test_macos_cmd(self) -> None:
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with PlatformFixture('darwin'):
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cmd = command.PlatformPager()
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self.assertEqual(['less'], cmd.command())
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def test_sunos_cmd(self) -> None:
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with PlatformFixture('sunos5'):
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cmd = command.PlatformPager()
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self.assertEqual(['less'], cmd.command())
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def test_freebsd_cmd(self) -> None:
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with PlatformFixture('freebsd8'):
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cmd = command.PlatformPager()
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self.assertEqual(['less'], cmd.command())
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class GetPagerCommandTest(unittest.TestCase):
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def test_instance(self) -> None:
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cmd = command.PlatformPager()
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self.assertIs(cmd, command.get_pager_command(cmd))
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def test_subclass(self) -> None:
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cls = command.Less
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self.assertIsInstance(command.get_pager_command(cls), cls)
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def test_func(self) -> None:
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func = command.PlatformPager
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self.assertIsInstance(command.get_pager_command(func), type(func()))
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def test_string(self) -> None:
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cmd = command.get_pager_command('foo bar')
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self.assertIsInstance(cmd, command.CustomPager)
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self.assertEqual(['foo', 'bar'], cmd.command())
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def test_list(self) -> None:
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with fixtures.EnvironmentVariable('FOO', 'foo'):
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cmd = command.get_pager_command(['FOO', 'BAR'])
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self.assertIsInstance(cmd, command.CustomPager)
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self.assertEqual(['foo'], cmd.command())
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def test_int(self) -> None:
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self.assertRaises(TypeError, command.get_pager_command, 42)
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def test_list_int(self) -> None:
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self.assertRaises(TypeError, command.get_pager_command, ['FOO', 42])
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