def test_cwd(self):
		new_os = new_module('os', path=os.path, environ={}, sep='/')
		new_os.getcwd = lambda: '/abc/def/ghi/foo/bar'
		with replace_module_attr(common, 'os', new_os):
			self.assertEqual(common.cwd(),
					[{'contents': '/', 'divider_highlight_group': 'cwd:divider'},
					{'contents': 'abc', 'divider_highlight_group': 'cwd:divider'},
					{'contents': 'def', 'divider_highlight_group': 'cwd:divider'},
					{'contents': 'ghi', 'divider_highlight_group': 'cwd:divider'},
					{'contents': 'foo', 'divider_highlight_group': 'cwd:divider'},
					{'contents': 'bar', 'divider_highlight_group': 'cwd:divider', 'highlight_group': ['cwd:current_folder', 'cwd']}])
			new_os.getcwdu = lambda: '/abc/def/ghi/foo/bar'
			self.assertEqual(common.cwd(),
					[{'contents': '/', 'divider_highlight_group': 'cwd:divider'},
					{'contents': 'abc', 'divider_highlight_group': 'cwd:divider'},
					{'contents': 'def', 'divider_highlight_group': 'cwd:divider'},
					{'contents': 'ghi', 'divider_highlight_group': 'cwd:divider'},
					{'contents': 'foo', 'divider_highlight_group': 'cwd:divider'},
					{'contents': 'bar', 'divider_highlight_group': 'cwd:divider', 'highlight_group': ['cwd:current_folder', 'cwd']}])
			new_os.environ['HOME'] = '/abc/def/ghi'
			self.assertEqual(common.cwd(),
					[{'contents': '~', 'divider_highlight_group': 'cwd:divider'},
					{'contents': 'foo', 'divider_highlight_group': 'cwd:divider'},
					{'contents': 'bar', 'divider_highlight_group': 'cwd:divider', 'highlight_group': ['cwd:current_folder', 'cwd']}])
			self.assertEqual(common.cwd(dir_limit_depth=3),
					[{'contents': '~', 'divider_highlight_group': 'cwd:divider'},
					{'contents': 'foo', 'divider_highlight_group': 'cwd:divider'},
					{'contents': 'bar', 'divider_highlight_group': 'cwd:divider', 'highlight_group': ['cwd:current_folder', 'cwd']}])
			self.assertEqual(common.cwd(dir_limit_depth=1),
					[{'contents': '⋯', 'divider_highlight_group': 'cwd:divider'},
					{'contents': 'bar', 'divider_highlight_group': 'cwd:divider', 'highlight_group': ['cwd:current_folder', 'cwd']}])
			self.assertEqual(common.cwd(dir_limit_depth=2, dir_shorten_len=2),
					[{'contents': '~', 'divider_highlight_group': 'cwd:divider'},
					{'contents': 'fo', 'divider_highlight_group': 'cwd:divider'},
					{'contents': 'bar', 'divider_highlight_group': 'cwd:divider', 'highlight_group': ['cwd:current_folder', 'cwd']}])
			ose = OSError()
			ose.errno = 2

			def raises(exc):
				raise exc

			new_os.getcwdu = lambda: raises(ose)
			self.assertEqual(common.cwd(dir_limit_depth=2, dir_shorten_len=2),
					[{'contents': '[not found]', 'divider_highlight_group': 'cwd:divider', 'highlight_group': ['cwd:current_folder', 'cwd']}])
			new_os.getcwdu = lambda: raises(OSError())
			self.assertRaises(OSError, common.cwd, tuple(), {'dir_limit_depth': 2, 'dir_shorten_len': 2})
			new_os.getcwdu = lambda: raises(ValueError())
			self.assertRaises(ValueError, common.cwd, tuple(), {'dir_limit_depth': 2, 'dir_shorten_len': 2})
	def test_cwd(self):
		new_os = new_module('os', path=os.path, sep='/')
		pl = Pl()
		cwd = [None]

		def getcwd():
			wd = cwd[0]
			if isinstance(wd, Exception):
				raise wd
			else:
				return wd

		segment_info = {'getcwd': getcwd, 'home': None}
		with replace_attr(common, 'os', new_os):
			cwd[0] = '/abc/def/ghi/foo/bar'
			self.assertEqual(common.cwd(pl=pl, segment_info=segment_info), [
				{'contents': '/', 'divider_highlight_group': 'cwd:divider', 'draw_inner_divider': True},
				{'contents': 'abc', 'divider_highlight_group': 'cwd:divider', 'draw_inner_divider': True},
				{'contents': 'def', 'divider_highlight_group': 'cwd:divider', 'draw_inner_divider': True},
				{'contents': 'ghi', 'divider_highlight_group': 'cwd:divider', 'draw_inner_divider': True},
				{'contents': 'foo', 'divider_highlight_group': 'cwd:divider', 'draw_inner_divider': True},
				{'contents': 'bar', 'divider_highlight_group': 'cwd:divider', 'draw_inner_divider': True, 'highlight_group': ['cwd:current_folder', 'cwd']},
			])
			segment_info['home'] = '/abc/def/ghi'
			self.assertEqual(common.cwd(pl=pl, segment_info=segment_info), [
				{'contents': '~', 'divider_highlight_group': 'cwd:divider', 'draw_inner_divider': True},
				{'contents': 'foo', 'divider_highlight_group': 'cwd:divider', 'draw_inner_divider': True},
				{'contents': 'bar', 'divider_highlight_group': 'cwd:divider', 'draw_inner_divider': True, 'highlight_group': ['cwd:current_folder', 'cwd']},
			])
			self.assertEqual(common.cwd(pl=pl, segment_info=segment_info, dir_limit_depth=3), [
				{'contents': '~', 'divider_highlight_group': 'cwd:divider', 'draw_inner_divider': True},
				{'contents': 'foo', 'divider_highlight_group': 'cwd:divider', 'draw_inner_divider': True},
				{'contents': 'bar', 'divider_highlight_group': 'cwd:divider', 'draw_inner_divider': True, 'highlight_group': ['cwd:current_folder', 'cwd']}
			])
			self.assertEqual(common.cwd(pl=pl, segment_info=segment_info, dir_limit_depth=1), [
				{'contents': '⋯', 'divider_highlight_group': 'cwd:divider', 'draw_inner_divider': True},
				{'contents': 'bar', 'divider_highlight_group': 'cwd:divider', 'draw_inner_divider': True, 'highlight_group': ['cwd:current_folder', 'cwd']}
			])
			self.assertEqual(common.cwd(pl=pl, segment_info=segment_info, dir_limit_depth=1, use_path_separator=True), [
				{'contents': '⋯/', 'divider_highlight_group': 'cwd:divider', 'draw_inner_divider': False},
				{'contents': 'bar', 'divider_highlight_group': 'cwd:divider', 'draw_inner_divider': False, 'highlight_group': ['cwd:current_folder', 'cwd']}
			])
			self.assertEqual(common.cwd(pl=pl, segment_info=segment_info, dir_limit_depth=2, dir_shorten_len=2), [
				{'contents': '~', 'divider_highlight_group': 'cwd:divider', 'draw_inner_divider': True},
				{'contents': 'fo', 'divider_highlight_group': 'cwd:divider', 'draw_inner_divider': True},
				{'contents': 'bar', 'divider_highlight_group': 'cwd:divider', 'draw_inner_divider': True, 'highlight_group': ['cwd:current_folder', 'cwd']}
			])
			self.assertEqual(common.cwd(pl=pl, segment_info=segment_info, dir_limit_depth=2, dir_shorten_len=2, use_path_separator=True), [
				{'contents': '~/', 'divider_highlight_group': 'cwd:divider', 'draw_inner_divider': False},
				{'contents': 'fo/', 'divider_highlight_group': 'cwd:divider', 'draw_inner_divider': False},
				{'contents': 'bar', 'divider_highlight_group': 'cwd:divider', 'draw_inner_divider': False, 'highlight_group': ['cwd:current_folder', 'cwd']}
			])
			ose = OSError()
			ose.errno = 2
			cwd[0] = ose
			self.assertEqual(common.cwd(pl=pl, segment_info=segment_info, dir_limit_depth=2, dir_shorten_len=2),
					[{'contents': '[not found]', 'divider_highlight_group': 'cwd:divider', 'highlight_group': ['cwd:current_folder', 'cwd'], 'draw_inner_divider': True}])
			cwd[0] = OSError()
			self.assertRaises(OSError, common.cwd, pl=pl, segment_info=segment_info, dir_limit_depth=2, dir_shorten_len=2)
			cwd[0] = ValueError()
			self.assertRaises(ValueError, common.cwd, pl=pl, segment_info=segment_info, dir_limit_depth=2, dir_shorten_len=2)