Adding upstream version 2.8.3.upstream/2.8.3upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 877 insertions, 0 deletions

diff --git a/tests/test_python/test_configuration.py b/tests/test_python/test_configuration.py
new file mode 100644
index 0000000..aa9e844
--- /dev/null
+++ b/tests/test_python/test_configuration.py
@@ -0,0 +1,877 @@
+# vim:fileencoding=utf-8:noet
+from __future__ import (unicode_literals, division, absolute_import, print_function)
+
+import sys
+import os
+
+from functools import wraps
+from copy import deepcopy
+
+import tests.modules.vim as vim_module
+
+from tests.modules import TestCase
+from tests.modules.lib.config_mock import (get_powerline, get_powerline_raw,
+                                           swap_attributes, UT)
+from tests.modules.lib import Args, replace_item
+
+
+def highlighted_string(s, group, **kwargs):
+	ret = {
+		'type': 'string',
+		'contents': s,
+		'highlight_groups': [group],
+	}
+	ret.update(kwargs)
+	return ret
+
+
+config = {
+	'config': {
+		'common': {
+			'interval': 0,
+			'watcher': 'test',
+		},
+		'ext': {
+			'test': {
+				'theme': 'default',
+				'colorscheme': 'default',
+			},
+			'vim': {
+				'theme': 'default',
+				'colorscheme': 'default',
+			},
+			'shell': {
+				'theme': 'default',
+				'colorscheme': 'default',
+			},
+			'wm': {
+				'theme': 'default',
+				'colorscheme': 'default',
+			},
+		},
+	},
+	'colors': {
+		'colors': {
+			'col1': 1,
+			'col2': 2,
+			'col3': 3,
+			'col4': 4,
+			'col5': 5,
+			'col6': 6,
+			'col7': 7,
+			'col8': 8,
+			'col9': 9,
+			'col10': 10,
+			'col11': 11,
+			'col12': 12,
+		},
+		'gradients': {
+		},
+	},
+	'colorschemes/test/__main__': {
+		'groups': {
+			'm1': 'g1',
+			'm2': 'g3',
+			'm3': {'fg': 'col11', 'bg': 'col12', 'attrs': []},
+		}
+	},
+	'colorschemes/default': {
+		'groups': {
+			'g1': {'fg': 'col5', 'bg': 'col6', 'attrs': []},
+			'g2': {'fg': 'col7', 'bg': 'col8', 'attrs': []},
+			'g3': {'fg': 'col9', 'bg': 'col10', 'attrs': []},
+		}
+	},
+	'colorschemes/test/default': {
+		'groups': {
+			'str1': {'fg': 'col1', 'bg': 'col2', 'attrs': ['bold']},
+			'str2': {'fg': 'col3', 'bg': 'col4', 'attrs': ['underline']},
+			'd1': 'g2',
+			'd2': 'm2',
+			'd3': 'm3',
+		},
+	},
+	'colorschemes/vim/default': {
+		'groups': {
+			'environment': {'fg': 'col3', 'bg': 'col4', 'attrs': ['underline']},
+		},
+	},
+	'colorschemes/wm/default': {
+		'groups': {
+			'hl1': {'fg': 'col1', 'bg': 'col2', 'attrs': ['underline']},
+			'hl2': {'fg': 'col2', 'bg': 'col1', 'attrs': []},
+			'hl3': {'fg': 'col3', 'bg': 'col1', 'attrs': ['underline']},
+			'hl4': {'fg': 'col2', 'bg': 'col4', 'attrs': []},
+		},
+	},
+	'themes/test/default': {
+		'segments': {
+			'left': [
+				highlighted_string('s', 'str1', width='auto'),
+				highlighted_string('g', 'str2'),
+			],
+			'right': [
+				highlighted_string('f', 'str2', width='auto', align='r'),
+			],
+		},
+	},
+	'themes/' + UT: {
+		'dividers': {
+			'left': {
+				'hard': '>>',
+				'soft': '>',
+			},
+			'right': {
+				'hard': '<<',
+				'soft': '<',
+			},
+		},
+		'spaces': 0,
+	},
+	'themes/test/__main__': {
+		'dividers': {
+			'right': {
+				'soft': '|',
+			},
+		},
+	},
+	'themes/vim/default': {
+		'segments': {
+			'left': [
+				{
+					'function': 'powerline.segments.common.env.environment',
+					'args': {
+						'variable': 'TEST',
+					},
+				},
+			],
+		},
+	},
+	'themes/shell/default': {
+		'default_module': 'powerline.segments.common',
+		'segments': {
+			'left': [
+				highlighted_string('s', 'g1', width='auto'),
+			],
+		},
+	},
+	'themes/wm/default': {
+		'default_module': 'powerline.segments.common',
+		'segments': {
+			'left': [
+				highlighted_string('A', 'hl1'),
+				highlighted_string('B', 'hl2'),
+			],
+			'right': [
+				highlighted_string('C', 'hl3'),
+				highlighted_string('D', 'hl4'),
+			],
+		},
+	},
+}
+
+
+def with_new_config(func):
+	@wraps(func)
+	def f(self):
+		return func(self, deepcopy(config))
+	return f
+
+
+def add_args(func):
+	@wraps(func)
+	def f(self):
+		new_config = deepcopy(config)
+		with get_powerline(new_config, run_once=True, simpler_renderer=True) as p:
+			func(self, p, new_config)
+	return f
+
+
+class TestRender(TestCase):
+	def assertRenderEqual(self, p, output, **kwargs):
+		self.assertEqual(p.render(**kwargs).replace(' ', ' '), output)
+
+	def assertRenderLinesEqual(self, p, output, **kwargs):
+		self.assertEqual([l.replace(' ', ' ') for l in p.render_above_lines(**kwargs)], output)
+
+
+class TestLines(TestRender):
+	@add_args
+	def test_without_above(self, p, config):
+		self.assertRenderEqual(p, '{121} s{24}>>{344}g{34}>{34}|{344}f {--}')
+		self.assertRenderEqual(p, '{121} s {24}>>{344}g{34}>{34}|{344}f {--}', width=10)
+		# self.assertRenderEqual(p, '{121} s {24}>>{344}g{34}>{34}|{344} f {--}', width=11)
+		self.assertEqual(list(p.render_above_lines()), [])
+
+	@with_new_config
+	def test_with_above(self, config):
+		old_segments = deepcopy(config['themes/test/default']['segments'])
+		config['themes/test/default']['segments']['above'] = [old_segments]
+		with get_powerline(config, run_once=True, simpler_renderer=True) as p:
+			self.assertRenderLinesEqual(p, [
+				'{121} s{24}>>{344}g{34}>{34}|{344}f {--}',
+			])
+			self.assertRenderLinesEqual(p, [
+				'{121} s {24}>>{344}g{34}>{34}|{344}f {--}',
+			], width=10)
+
+		config['themes/test/default']['segments']['above'] = [old_segments] * 2
+		with get_powerline(config, run_once=True, simpler_renderer=True) as p:
+			self.assertRenderLinesEqual(p, [
+				'{121} s{24}>>{344}g{34}>{34}|{344}f {--}',
+				'{121} s{24}>>{344}g{34}>{34}|{344}f {--}',
+			])
+			self.assertRenderLinesEqual(p, [
+				'{121} s {24}>>{344}g{34}>{34}|{344}f {--}',
+				'{121} s {24}>>{344}g{34}>{34}|{344}f {--}',
+			], width=10)
+
+
+class TestSegments(TestRender):
+	@add_args
+	def test_display(self, p, config):
+		config['themes/test/default']['segments']['left'][0]['display'] = False
+		config['themes/test/default']['segments']['left'][1]['display'] = True
+		config['themes/test/default']['segments']['right'][0]['display'] = False
+		self.assertRenderEqual(p, '{344} g{4-}>>{--}')
+
+
+class TestColorschemesHierarchy(TestRender):
+	@add_args
+	def test_group_redirects(self, p, config):
+		config['themes/test/default']['segments'] = {
+			'left': [
+				highlighted_string('a', 'd1', draw_hard_divider=False),
+				highlighted_string('b', 'd2', draw_hard_divider=False),
+				highlighted_string('c', 'd3', draw_hard_divider=False),
+				highlighted_string('A', 'm1', draw_hard_divider=False),
+				highlighted_string('B', 'm2', draw_hard_divider=False),
+				highlighted_string('C', 'm3', draw_hard_divider=False),
+				highlighted_string('1', 'g1', draw_hard_divider=False),
+				highlighted_string('2', 'g2', draw_hard_divider=False),
+				highlighted_string('3', 'g3', draw_hard_divider=False),
+			],
+			'right': [],
+		}
+		self.assertRenderEqual(p, '{78} a{910}b{1112}c{56}A{910}B{1112}C{56}1{78}2{910}3{--}')
+		self.assertEqual(p.logger._pop_msgs(), [])
+
+	@add_args
+	def test_group_redirects_no_main(self, p, config):
+		del config['colorschemes/test/__main__']
+		config['themes/test/default']['segments'] = {
+			'left': [
+				highlighted_string('a', 'd1', draw_hard_divider=False),
+				highlighted_string('1', 'g1', draw_hard_divider=False),
+				highlighted_string('2', 'g2', draw_hard_divider=False),
+				highlighted_string('3', 'g3', draw_hard_divider=False),
+			],
+			'right': [],
+		}
+		self.assertRenderEqual(p, '{78} a{56}1{78}2{910}3{--}')
+		self.assertEqual(p.logger._pop_msgs(), [])
+
+	@add_args
+	def test_group_redirects_no_top_default(self, p, config):
+		del config['colorschemes/default']
+		config['themes/test/default']['segments'] = {
+			'left': [
+				highlighted_string('c', 'd3', draw_soft_divider=False),
+				highlighted_string('C', 'm3', draw_hard_divider=False),
+			],
+			'right': [],
+		}
+		self.assertRenderEqual(p, '{1112} c{1112}C{--}')
+		self.assertEqual(p.logger._pop_msgs(), [])
+
+	@add_args
+	def test_group_redirects_no_test_default(self, p, config):
+		del config['colorschemes/test/default']
+		config['themes/test/default']['segments'] = {
+			'left': [
+				highlighted_string('A', 'm1', draw_hard_divider=False),
+				highlighted_string('B', 'm2', draw_hard_divider=False),
+				highlighted_string('C', 'm3', draw_hard_divider=False),
+				highlighted_string('1', 'g1', draw_hard_divider=False),
+				highlighted_string('2', 'g2', draw_hard_divider=False),
+				highlighted_string('3', 'g3', draw_hard_divider=False),
+			],
+			'right': [],
+		}
+		self.assertRenderEqual(p, '{56} A{910}B{1112}C{56}1{78}2{910}3{--}')
+		self.assertEqual(p.logger._pop_msgs(), [])
+
+	@add_args
+	def test_group_redirects_only_main(self, p, config):
+		del config['colorschemes/default']
+		del config['colorschemes/test/default']
+		config['themes/test/default']['segments'] = {
+			'left': [
+				highlighted_string('C', 'm3', draw_hard_divider=False),
+			],
+			'right': [],
+		}
+		# Powerline is not able to work without default colorscheme 
+		# somewhere, thus it will output error string
+		self.assertRenderEqual(p, 'colorschemes/test/default')
+		self.assertEqual(p.logger._pop_msgs(), [
+			'exception:test:powerline:Failed to load colorscheme: colorschemes/default',
+			'exception:test:powerline:Failed to load colorscheme: colorschemes/test/default',
+			'exception:test:powerline:Failed to create renderer: colorschemes/test/default',
+			'exception:test:powerline:Failed to render: colorschemes/test/default',
+		])
+
+	@add_args
+	def test_group_redirects_only_top_default(self, p, config):
+		del config['colorschemes/test/__main__']
+		del config['colorschemes/test/default']
+		config['themes/test/default']['segments'] = {
+			'left': [
+				highlighted_string('1', 'g1', draw_hard_divider=False),
+				highlighted_string('2', 'g2', draw_hard_divider=False),
+				highlighted_string('3', 'g3', draw_hard_divider=False),
+			],
+			'right': [],
+		}
+		self.assertRenderEqual(p, '{56} 1{78}2{910}3{--}')
+		self.assertEqual(p.logger._pop_msgs(), [])
+
+	@add_args
+	def test_group_redirects_only_test_default(self, p, config):
+		del config['colorschemes/default']
+		del config['colorschemes/test/__main__']
+		config['themes/test/default']['segments'] = {
+			'left': [
+				highlighted_string('s', 'str1', draw_hard_divider=False),
+			],
+			'right': [],
+		}
+		self.assertRenderEqual(p, '{121} s{--}')
+		self.assertEqual(p.logger._pop_msgs(), [])
+
+
+class TestThemeHierarchy(TestRender):
+	@add_args
+	def test_hierarchy(self, p, config):
+		self.assertRenderEqual(p, '{121} s{24}>>{344}g{34}>{34}|{344}f {--}')
+
+	@add_args
+	def test_no_main(self, p, config):
+		del config['themes/test/__main__']
+		self.assertRenderEqual(p, '{121} s{24}>>{344}g{34}>{34}<{344}f {--}')
+		self.assertEqual(p.logger._pop_msgs(), [])
+
+	@add_args
+	def test_no_powerline(self, p, config):
+		config['themes/test/__main__']['dividers'] = config['themes/' + UT]['dividers']
+		config['themes/test/__main__']['spaces'] = 1
+		del config['themes/' + UT]
+		self.assertRenderEqual(p, '{121} s {24}>>{344}g {34}>{34}<{344} f {--}')
+		self.assertEqual(p.logger._pop_msgs(), [])
+
+	@add_args
+	def test_no_default(self, p, config):
+		del config['themes/test/default']
+		self.assertRenderEqual(p, 'themes/test/default')
+		self.assertEqual(p.logger._pop_msgs(), [
+			'exception:test:powerline:Failed to load theme: themes/test/default',
+			'exception:test:powerline:Failed to create renderer: themes/test/default',
+			'exception:test:powerline:Failed to render: themes/test/default',
+		])
+
+	@add_args
+	def test_only_default(self, p, config):
+		config['themes/test/default']['dividers'] = config['themes/' + UT]['dividers']
+		config['themes/test/default']['spaces'] = 1
+		del config['themes/test/__main__']
+		del config['themes/' + UT]
+		self.assertRenderEqual(p, '{121} s {24}>>{344}g {34}>{34}<{344} f {--}')
+
+	@add_args
+	def test_only_main(self, p, config):
+		del config['themes/test/default']
+		del config['themes/' + UT]
+		self.assertRenderEqual(p, 'themes/test/default')
+		self.assertEqual(p.logger._pop_msgs(), [
+			'exception:test:powerline:Failed to load theme: themes/' + UT,
+			'exception:test:powerline:Failed to load theme: themes/test/default',
+			'exception:test:powerline:Failed to create renderer: themes/test/default',
+			'exception:test:powerline:Failed to render: themes/test/default',
+		])
+
+	@add_args
+	def test_only_powerline(self, p, config):
+		del config['themes/test/default']
+		del config['themes/test/__main__']
+		self.assertRenderEqual(p, 'themes/test/default')
+		self.assertEqual(p.logger._pop_msgs(), [
+			'exception:test:powerline:Failed to load theme: themes/test/__main__',
+			'exception:test:powerline:Failed to load theme: themes/test/default',
+			'exception:test:powerline:Failed to create renderer: themes/test/default',
+			'exception:test:powerline:Failed to render: themes/test/default',
+		])
+
+	@add_args
+	def test_nothing(self, p, config):
+		del config['themes/test/default']
+		del config['themes/' + UT]
+		del config['themes/test/__main__']
+		self.assertRenderEqual(p, 'themes/test/default')
+		self.assertEqual(p.logger._pop_msgs(), [
+			'exception:test:powerline:Failed to load theme: themes/' + UT,
+			'exception:test:powerline:Failed to load theme: themes/test/__main__',
+			'exception:test:powerline:Failed to load theme: themes/test/default',
+			'exception:test:powerline:Failed to create renderer: themes/test/default',
+			'exception:test:powerline:Failed to render: themes/test/default',
+		])
+
+
+class TestDisplayCondition(TestRender):
+	@add_args
+	def test_include_modes(self, p, config):
+		config['themes/test/default']['segments'] = {
+			'left': [
+				highlighted_string('s1', 'g1', include_modes=['m1']),
+				highlighted_string('s2', 'g1', include_modes=['m1', 'm2']),
+				highlighted_string('s3', 'g1', include_modes=['m3']),
+			]
+		}
+		self.assertRenderEqual(p, '{--}')
+		self.assertRenderEqual(p, '{56} s1{56}>{56}s2{6-}>>{--}', mode='m1')
+		self.assertRenderEqual(p, '{56} s2{6-}>>{--}', mode='m2')
+		self.assertRenderEqual(p, '{56} s3{6-}>>{--}', mode='m3')
+
+	@add_args
+	def test_exclude_modes(self, p, config):
+		config['themes/test/default']['segments'] = {
+			'left': [
+				highlighted_string('s1', 'g1', exclude_modes=['m1']),
+				highlighted_string('s2', 'g1', exclude_modes=['m1', 'm2']),
+				highlighted_string('s3', 'g1', exclude_modes=['m3']),
+			]
+		}
+		self.assertRenderEqual(p, '{56} s1{56}>{56}s2{56}>{56}s3{6-}>>{--}')
+		self.assertRenderEqual(p, '{56} s3{6-}>>{--}', mode='m1')
+		self.assertRenderEqual(p, '{56} s1{56}>{56}s3{6-}>>{--}', mode='m2')
+		self.assertRenderEqual(p, '{56} s1{56}>{56}s2{6-}>>{--}', mode='m3')
+
+	@add_args
+	def test_exinclude_modes(self, p, config):
+		config['themes/test/default']['segments'] = {
+			'left': [
+				highlighted_string('s1', 'g1', exclude_modes=['m1'], include_modes=['m2']),
+				highlighted_string('s2', 'g1', exclude_modes=['m1', 'm2'], include_modes=['m3']),
+				highlighted_string('s3', 'g1', exclude_modes=['m3'], include_modes=['m3']),
+			]
+		}
+		self.assertRenderEqual(p, '{--}')
+		self.assertRenderEqual(p, '{--}', mode='m1')
+		self.assertRenderEqual(p, '{56} s1{6-}>>{--}', mode='m2')
+		self.assertRenderEqual(p, '{56} s2{6-}>>{--}', mode='m3')
+
+	@add_args
+	def test_exinclude_function_nonexistent_module(self, p, config):
+		config['themes/test/default']['segments'] = {
+			'left': [
+				highlighted_string('s1', 'g1', exclude_function='xxx_nonexistent_module.foo'),
+				highlighted_string('s2', 'g1', exclude_function='xxx_nonexistent_module.foo', include_function='xxx_nonexistent_module.bar'),
+				highlighted_string('s3', 'g1', include_function='xxx_nonexistent_module.bar'),
+			]
+		}
+		self.assertRenderEqual(p, '{56} s1{56}>{56}s2{56}>{56}s3{6-}>>{--}')
+
+	@add_args
+	def test_exinclude_function(self, p, config):
+		config['themes/test/default']['segments'] = {
+			'left': [
+				highlighted_string('s1', 'g1', exclude_function='mod.foo'),
+				highlighted_string('s2', 'g1', exclude_function='mod.foo', include_function='mod.bar'),
+				highlighted_string('s3', 'g1', include_function='mod.bar'),
+			]
+		}
+		launched = set()
+		fool = [None]
+		barl = [None]
+
+		def foo(*args, **kwargs):
+			launched.add('foo')
+			self.assertEqual(set(kwargs.keys()), set(('pl', 'segment_info', 'mode')))
+			self.assertEqual(args, ())
+			return fool[0]
+
+		def bar(*args, **kwargs):
+			launched.add('bar')
+			self.assertEqual(set(kwargs.keys()), set(('pl', 'segment_info', 'mode')))
+			self.assertEqual(args, ())
+			return barl[0]
+
+		with replace_item(sys.modules, 'mod', Args(foo=foo, bar=bar)):
+			fool[0] = True
+			barl[0] = True
+			self.assertRenderEqual(p, '{56} s3{6-}>>{--}')
+			self.assertEqual(launched, set(('foo', 'bar')))
+
+			fool[0] = False
+			barl[0] = True
+			self.assertRenderEqual(p, '{56} s1{56}>{56}s2{56}>{56}s3{6-}>>{--}')
+			self.assertEqual(launched, set(('foo', 'bar')))
+
+			fool[0] = False
+			barl[0] = False
+			self.assertRenderEqual(p, '{56} s1{6-}>>{--}')
+			self.assertEqual(launched, set(('foo', 'bar')))
+
+			fool[0] = True
+			barl[0] = False
+			self.assertRenderEqual(p, '{--}')
+			self.assertEqual(launched, set(('foo', 'bar')))
+
+	@add_args
+	def test_exinclude_modes_override_functions(self, p, config):
+		config['themes/test/default']['segments'] = {
+			'left': [
+				highlighted_string('s1', 'g1', exclude_function='mod.foo', exclude_modes=['m2']),
+				highlighted_string('s2', 'g1', exclude_function='mod.foo', include_modes=['m2']),
+				highlighted_string('s3', 'g1', include_function='mod.foo', exclude_modes=['m2']),
+				highlighted_string('s4', 'g1', include_function='mod.foo', include_modes=['m2']),
+			]
+		}
+		fool = [None]
+
+		def foo(*args, **kwargs):
+			return fool[0]
+
+		with replace_item(sys.modules, 'mod', Args(foo=foo)):
+			fool[0] = True
+			self.assertRenderEqual(p, '{56} s4{6-}>>{--}', mode='m2')
+			self.assertRenderEqual(p, '{56} s3{56}>{56}s4{6-}>>{--}', mode='m1')
+
+			fool[0] = False
+			self.assertRenderEqual(p, '{56} s2{56}>{56}s4{6-}>>{--}', mode='m2')
+			self.assertRenderEqual(p, '{56} s1{6-}>>{--}', mode='m1')
+
+
+class TestOuterPadding(TestRender):
+	@add_args
+	def test_outer_padding_left(self, p, config):
+		config['themes/' + UT]['outer_padding'] = 5
+		self.assertRenderEqual(p, '{121}     s{24}>>{344}g{4-}>>{--}', side='left')
+
+	@add_args
+	def test_outer_padding_right(self, p, config):
+		config['themes/' + UT]['outer_padding'] = 5
+		self.assertRenderEqual(p, '{4-}<<{344}f     {--}', side='right')
+
+	@add_args
+	def test_outer_padding_ten(self, p, config):
+		config['themes/' + UT]['outer_padding'] = 10
+		self.assertRenderEqual(p, '{121}          s  {24}>>{344}g{34}>{34}|{344} f          {--}', width=30)
+
+	@add_args
+	def test_outer_padding_zero(self, p, config):
+		config['themes/' + UT]['outer_padding'] = 0
+		self.assertRenderEqual(p, '{121}s            {24}>>{344}g{34}>{34}|{344}           f{--}', width=30)
+
+
+class TestSegmentAttributes(TestRender):
+	@add_args
+	def test_no_attributes(self, p, config):
+		def m1(divider=',', **kwargs):
+			return divider.join(kwargs.keys()) + divider
+		config['themes/test/default']['segments'] = {
+			'left': [
+				{
+					'function': 'bar.m1'
+				}
+			]
+		}
+		with replace_item(sys.modules, 'bar', Args(m1=m1)):
+			self.assertRenderEqual(p, '{56} pl,{6-}>>{--}')
+
+	@add_args
+	def test_segment_datas(self, p, config):
+		def m1(divider=',', **kwargs):
+			return divider.join(kwargs.keys()) + divider
+		m1.powerline_segment_datas = {
+			UT: {
+				'args': {
+					'divider': ';'
+				}
+			},
+			'ascii': {
+				'args': {
+					'divider': '--'
+				}
+			}
+		}
+		config['themes/test/default']['segments'] = {
+			'left': [
+				{
+					'function': 'bar.m1'
+				}
+			]
+		}
+		with replace_item(sys.modules, 'bar', Args(m1=m1)):
+			self.assertRenderEqual(p, '{56} pl;{6-}>>{--}')
+
+	@add_args
+	def test_expand(self, p, config):
+		def m1(divider=',', **kwargs):
+			return divider.join(kwargs.keys()) + divider
+
+		def expand(pl, amount, segment, **kwargs):
+			return ('-' * amount) + segment['contents']
+
+		m1.expand = expand
+		config['themes/test/default']['segments'] = {
+			'left': [
+				{
+					'function': 'bar.m1',
+					'width': 'auto'
+				}
+			]
+		}
+		with replace_item(sys.modules, 'bar', Args(m1=m1)):
+			self.assertRenderEqual(p, '{56} ----pl,{6-}>>{--}', width=10)
+
+	@add_args
+	def test_truncate(self, p, config):
+		def m1(divider=',', **kwargs):
+			return divider.join(kwargs.keys()) + divider
+
+		def truncate(pl, amount, segment, **kwargs):
+			return segment['contents'][:-amount]
+
+		m1.truncate = truncate
+		config['themes/test/default']['segments'] = {
+			'left': [
+				{
+					'function': 'bar.m1'
+				}
+			]
+		}
+		with replace_item(sys.modules, 'bar', Args(m1=m1)):
+			self.assertRenderEqual(p, '{56} p{6-}>>{--}', width=4)
+
+
+class TestSegmentData(TestRender):
+	@add_args
+	def test_segment_data(self, p, config):
+		def m1(**kwargs):
+			return 'S'
+
+		def m2(**kwargs):
+			return 'S'
+		sys.modules['bar'] = Args(m1=m1, m2=m2)
+		config['themes/' + UT]['segment_data'] = {
+			'm1': {
+				'before': '1'
+			},
+			'bar.m2': {
+				'before': '2'
+			},
+			'n': {
+				'before': '3'
+			},
+			'm2': {
+				'before': '4'
+			},
+		}
+		config['themes/test/default']['segments'] = {
+			'left': [
+				{
+					'function': 'bar.m1'
+				},
+				{
+					'function': 'bar.m1',
+					'name': 'n'
+				},
+				{
+					'function': 'bar.m2',
+					'name': 'n'
+				},
+				{
+					'function': 'bar.m2'
+				}
+			]
+		}
+		self.assertRenderEqual(p, '{56} 1S{56}>{56}3S{610}>>{910}3S{910}>{910}2S{10-}>>{--}')
+
+
+class TestShellEscapes(TestCase):
+	@with_new_config
+	def test_escapes(self, config):
+		from powerline.shell import ShellPowerline
+		import powerline as powerline_module
+		with swap_attributes(config, powerline_module):
+			with get_powerline_raw(config, ShellPowerline, args=Args(config_path=[''])) as powerline:
+				self.assertEqual(powerline.render(segment_info={}, side='left'), '\x1b[0;38;5;5;48;5;6m\xa0s\x1b[0;38;5;6;49;22m>>\x1b[0m')
+
+	@with_new_config
+	def test_tmux_escapes(self, config):
+		from powerline.shell import ShellPowerline
+		import powerline as powerline_module
+		config['config']['common']['additional_escapes'] = 'tmux'
+		with swap_attributes(config, powerline_module):
+			with get_powerline_raw(config, ShellPowerline, args=Args(config_path=[''])) as powerline:
+				self.assertEqual(powerline.render(segment_info={}, side='left'), '\x1bPtmux;\x1b\x1b[0;38;5;5;48;5;6m\x1b\\\xa0s\x1bPtmux;\x1b\x1b[0;38;5;6;49;22m\x1b\\>>\x1bPtmux;\x1b\x1b[0m\x1b\\')
+
+	@with_new_config
+	def test_screen_escapes(self, config):
+		from powerline.shell import ShellPowerline
+		import powerline as powerline_module
+		config['config']['common']['additional_escapes'] = 'screen'
+		with swap_attributes(config, powerline_module):
+			with get_powerline_raw(config, ShellPowerline, args=Args(config_path=[''])) as powerline:
+				self.assertEqual(powerline.render(segment_info={}, side='left'), '\x1bP\x1b\x1b[0;38;5;5;48;5;6m\x1b\\\xa0s\x1bP\x1b\x1b[0;38;5;6;49;22m\x1b\\>>\x1bP\x1b\x1b[0m\x1b\\')
+
+	@with_new_config
+	def test_fbterm_escapes(self, config):
+		from powerline.shell import ShellPowerline
+		import powerline as powerline_module
+		config['config']['common']['term_escape_style'] = 'fbterm'
+		with swap_attributes(config, powerline_module):
+			with get_powerline_raw(config, ShellPowerline, args=Args(config_path=[''])) as powerline:
+				self.assertEqual(powerline.render(segment_info={}, side='left'), '\x1b[0m\x1b[1;5}\x1b[2;6}\xa0s\x1b[0m\x1b[1;6}\x1b[49m\x1b[22m>>\x1b[0m')
+
+	@with_new_config
+	def test_fbterm_tmux_escapes(self, config):
+		from powerline.shell import ShellPowerline
+		import powerline as powerline_module
+		config['config']['common']['term_escape_style'] = 'fbterm'
+		config['config']['common']['additional_escapes'] = 'tmux'
+		with swap_attributes(config, powerline_module):
+			with get_powerline_raw(config, ShellPowerline, args=Args(config_path=[''])) as powerline:
+				self.assertEqual(powerline.render(segment_info={}, side='left'), '\x1bPtmux;\x1b\x1b[0m\x1b\x1b[1;5}\x1b\x1b[2;6}\x1b\\\xa0s\x1bPtmux;\x1b\x1b[0m\x1b\x1b[1;6}\x1b\x1b[49m\x1b\x1b[22m\x1b\\>>\x1bPtmux;\x1b\x1b[0m\x1b\\')
+
+	@with_new_config
+	def test_fbterm_screen_escapes(self, config):
+		from powerline.shell import ShellPowerline
+		import powerline as powerline_module
+		config['config']['common']['term_escape_style'] = 'fbterm'
+		config['config']['common']['additional_escapes'] = 'screen'
+		with swap_attributes(config, powerline_module):
+			with get_powerline_raw(config, ShellPowerline, args=Args(config_path=[''])) as powerline:
+				self.assertEqual(powerline.render(segment_info={}, side='left'), '\x1bP\x1b\x1b[0m\x1b\x1b[1;5}\x1b\x1b[2;6}\x1b\\\xa0s\x1bP\x1b\x1b[0m\x1b\x1b[1;6}\x1b\x1b[49m\x1b\x1b[22m\x1b\\>>\x1bP\x1b\x1b[0m\x1b\\')
+
+	@with_new_config
+	def test_term_truecolor_escapes(self, config):
+		from powerline.shell import ShellPowerline
+		import powerline as powerline_module
+		config['config']['common']['term_truecolor'] = True
+		with swap_attributes(config, powerline_module):
+			with get_powerline_raw(config, ShellPowerline, args=Args(config_path=[''])) as powerline:
+				self.assertEqual(powerline.render(segment_info={}, side='left'), '\x1b[0;38;2;192;0;192;48;2;0;128;128m\xa0s\x1b[0;38;2;0;128;128;49;22m>>\x1b[0m')
+
+	@with_new_config
+	def test_term_truecolor_fbterm_escapes(self, config):
+		from powerline.shell import ShellPowerline
+		import powerline as powerline_module
+		config['config']['common']['term_escape_style'] = 'fbterm'
+		config['config']['common']['term_truecolor'] = True
+		with swap_attributes(config, powerline_module):
+			with get_powerline_raw(config, ShellPowerline, args=Args(config_path=[''])) as powerline:
+				self.assertEqual(powerline.render(segment_info={}, side='left'), '\x1b[0m\x1b[1;5}\x1b[2;6}\xa0s\x1b[0m\x1b[1;6}\x1b[49m\x1b[22m>>\x1b[0m')
+
+	@with_new_config
+	def test_term_truecolor_tmux_escapes(self, config):
+		from powerline.shell import ShellPowerline
+		import powerline as powerline_module
+		config['config']['common']['term_truecolor'] = True
+		config['config']['common']['additional_escapes'] = 'tmux'
+		with swap_attributes(config, powerline_module):
+			with get_powerline_raw(config, ShellPowerline, args=Args(config_path=[''])) as powerline:
+				self.assertEqual(powerline.render(segment_info={}, side='left'), '\x1bPtmux;\x1b\x1b[0;38;2;192;0;192;48;2;0;128;128m\x1b\\\xa0s\x1bPtmux;\x1b\x1b[0;38;2;0;128;128;49;22m\x1b\\>>\x1bPtmux;\x1b\x1b[0m\x1b\\')
+
+	@with_new_config
+	def test_term_truecolor_screen_escapes(self, config):
+		from powerline.shell import ShellPowerline
+		import powerline as powerline_module
+		config['config']['common']['term_truecolor'] = True
+		config['config']['common']['additional_escapes'] = 'screen'
+		with swap_attributes(config, powerline_module):
+			with get_powerline_raw(config, ShellPowerline, args=Args(config_path=[''])) as powerline:
+				self.assertEqual(powerline.render(segment_info={}, side='left'), '\x1bP\x1b\x1b[0;38;2;192;0;192;48;2;0;128;128m\x1b\\\xa0s\x1bP\x1b\x1b[0;38;2;0;128;128;49;22m\x1b\\>>\x1bP\x1b\x1b[0m\x1b\\')
+
+
+class TestVim(TestCase):
+	def test_environ_update(self):
+		# Regression test: test that segment obtains environment from vim, not 
+		# from os.environ.
+		with vim_module._with('globals', powerline_config_paths=['/']):
+			from powerline.vim import VimPowerline
+			import powerline as powerline_module
+			with swap_attributes(config, powerline_module):
+				with vim_module._with('environ', TEST='abc'):
+					with get_powerline_raw(config, VimPowerline) as powerline:
+						window = vim_module.current.window
+						window_id = 1
+						winnr = window.number
+						self.assertEqual(powerline.render(window, window_id, winnr), b'%#Pl_3_8404992_4_192_underline#\xc2\xa0abc%#Pl_4_192_NONE_None_NONE#>>')
+						vim_module._environ['TEST'] = 'def'
+						self.assertEqual(powerline.render(window, window_id, winnr), b'%#Pl_3_8404992_4_192_underline#\xc2\xa0def%#Pl_4_192_NONE_None_NONE#>>')
+
+	def test_local_themes(self):
+		# Regression test: VimPowerline.add_local_theme did not work properly.
+		from powerline.vim import VimPowerline
+		import powerline as powerline_module
+		with swap_attributes(config, powerline_module):
+			with get_powerline_raw(config, VimPowerline, replace_gcp=True) as powerline:
+				powerline.add_local_theme('tests.modules.matchers.always_true', {
+					'segment_data': {
+						'foo': {
+							'contents': '“bar”'
+						}
+					},
+					'segments': {
+						'left': [
+							{
+								'type': 'string',
+								'name': 'foo',
+								'highlight_groups': ['g1']
+							}
+						]
+					}
+				})
+				window = vim_module.current.window
+				window_id = 1
+				winnr = window.number
+				self.assertEqual(powerline.render(window, window_id, winnr), b'%#Pl_5_12583104_6_32896_NONE#\xc2\xa0\xe2\x80\x9cbar\xe2\x80\x9d%#Pl_6_32896_NONE_None_NONE#>>')
+
+	@classmethod
+	def setUpClass(cls):
+		sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(os.path.dirname(__file__)), 'vim_sys_path')))
+
+	@classmethod
+	def tearDownClass(cls):
+		sys.path.pop(0)
+
+
+class TestLemonbar(TestRender):
+	def test_lemonbar(self):
+		import powerline as powerline_module
+		with swap_attributes(config, powerline_module):
+			with get_powerline_raw(config, powerline_module.Powerline, replace_gcp=True, ext='wm', renderer_module='lemonbar') as powerline:
+				self.assertRenderEqual(
+					powerline,
+					'%{l}%{F#ffc00000}%{B#ff008000}%{+u} A%{F-B--u}%{F#ff008000}%{B#ffc00000}>>%{F-B--u}%{F#ff008000}%{B#ffc00000}B%{F-B--u}%{F#ffc00000}>>%{F-B--u}%{r}%{F#ffc00000}<<%{F-B--u}%{F#ff804000}%{B#ffc00000}%{+u}C%{F-B--u}%{F#ff0000c0}%{B#ffc00000}<<%{F-B--u}%{F#ff008000}%{B#ff0000c0}D %{F-B--u}'
+				)
+
+	@with_new_config
+	def test_lemonbar_escape(self, config):
+		import powerline as powerline_module
+		config['themes/wm/default']['segments']['left'] = (
+			highlighted_string('%{asd}', 'hl1'),
+			highlighted_string('10% %', 'hl2'),
+		)
+		with swap_attributes(config, powerline_module):
+			with get_powerline_raw(config, powerline_module.Powerline, replace_gcp=True, ext='wm', renderer_module='lemonbar') as powerline:
+				self.assertRenderEqual(
+					powerline,
+					'%{l}%{F#ffc00000}%{B#ff008000}%{+u} %%{}{asd}%{F-B--u}%{F#ff008000}%{B#ffc00000}>>%{F-B--u}%{F#ff008000}%{B#ffc00000}10%%{} %%{}%{F-B--u}%{F#ffc00000}>>%{F-B--u}%{r}%{F#ffc00000}<<%{F-B--u}%{F#ff804000}%{B#ffc00000}%{+u}C%{F-B--u}%{F#ff0000c0}%{B#ffc00000}<<%{F-B--u}%{F#ff008000}%{B#ff0000c0}D %{F-B--u}'
+				)
+
+
+if __name__ == '__main__':
+	from tests.modules import main
+	main()