Make tests support python2.6

Old unittest is not working for unknown reason, using unittest2 instead

.travis.yml

@@ -1,10 +1,11 @@
 language: python
 python:
+    - "2.6"
     - "2.7"
     - "3.2"
     - "3.3"
-install: "pip install ."
-script: python setup.py test
+install: tests/install.sh
+script: tests/test.sh
 branches:
     only:
         - tests

setup.py

@@ -2,6 +2,7 @@
 # -*- coding: utf-8 -*-
 
 import os
+import sys
 
 from setuptools import setup, find_packages
 
@@ -11,6 +12,8 @@ try:
 except IOError:
 	README = ''
 
+old_python = sys.version_info < (2, 7)
+
 setup(
 	name='Powerline',
 	version='beta',
@@ -33,5 +36,5 @@ setup(
 			'Sphinx',
 			],
 		},
-	test_suite='tests',
+	test_suite='tests' if not old_python else None,
 	)

tests/__init__.py

@@ -0,0 +1,5 @@
+import sys
+if sys.version_info < (2, 7):
+	from unittest2 import TestCase, main  # NOQA
+else:
+	from unittest import TestCase, main  # NOQA

tests/install.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+pip install .
+if python -c 'import sys; sys.exit(1 * (sys.version_info[0] != 2))' ; then
+	# Python 2
+	pip install mercurial
+	if python -c 'import sys; sys.exit(1 * (sys.version_info[1] >= 7))' ; then
+		# Python 2.6
+		pip install unittest2
+	fi
+fi

tests/test.sh

@@ -0,0 +1,12 @@
+#!/bin/sh
+if python -c 'import sys; sys.exit(1 * (sys.version_info >= (2, 7)))' ; then
+	# Python 2.6
+	export PYTHONPATH="${PYTHONPATH}:`realpath .`"
+	for file in tests/test_*.py ; do
+		if ! python $file ; then
+			exit 1
+		fi
+	done
+else
+	python setup.py test
+fi

tests/test_configuration.py

@@ -3,12 +3,12 @@
 '''Dynamic configuration files tests.'''
 
 
-from unittest import TestCase
 import tests.vim as vim_module
 import sys
 import os
 import json
-from .lib import Args, urllib_read, replace_module_attr
+from tests.lib import Args, urllib_read, replace_module_attr
+from tests import TestCase
 
 
 VBLOCK = chr(ord('V') - 0x40)
@@ -75,3 +75,8 @@ def tearDownModule():
 	os.chdir(old_cwd)
 	old_cwd = None
 	sys.path.pop(0)
+
+
+if __name__ == '__main__':
+	from tests import main
+	main()

tests/test_lib.py

@@ -1,9 +1,9 @@
 from powerline.lib import mergedicts, underscore_to_camelcase, add_divider_highlight_group, humanize_bytes
 from powerline.lib.vcs import guess
-from unittest import TestCase
 from subprocess import call, PIPE
 import os
 import sys
+from tests import TestCase
 
 
 class TestLib(TestCase):
@@ -79,8 +79,13 @@ class TestVCS(TestCase):
 			os.remove(os.path.join('hg_repo', 'file'))
 
 
+old_HGRCPATH = None
+old_cwd = None
+
+
 def setUpModule():
 	global old_cwd
+	global old_HGRCPATH
 	old_cwd = os.getcwd()
 	os.chdir(os.path.dirname(__file__))
 	call(['git', 'init', '--quiet', 'git_repo'])
@@ -88,6 +93,8 @@ def setUpModule():
 	call(['git', 'config', '--local', 'user.email', 'bar@example.org'], cwd='git_repo')
 	call(['git', 'commit', '--allow-empty', '--message', 'Initial commit', '--quiet'], cwd='git_repo')
 	if use_mercurial:
+		old_HGRCPATH = os.environ.get('HGRCPATH')
+		os.environ['HGRCPATH'] = ''
 		call(['hg', 'init', 'hg_repo'])
 		with open(os.path.join('hg_repo', '.hg', 'hgrc'), 'w') as hgrc:
 			hgrc.write('[ui]\n')
@@ -96,6 +103,7 @@ def setUpModule():
 
 def tearDownModule():
 	global old_cwd
+	global old_HGRCPATH
 	for repo_dir in ['git_repo'] + (['hg_repo'] if use_mercurial else []):
 		for root, dirs, files in list(os.walk(repo_dir, topdown=False)):
 			for file in files:
@@ -103,4 +111,14 @@ def tearDownModule():
 			for dir in dirs:
 				os.rmdir(os.path.join(root, dir))
 		os.rmdir(repo_dir)
-	os.chdir(old_cwd)  # NOQA
+	if use_mercurial:
+		if old_HGRCPATH is None:
+			os.environ.pop('HGRCPATH')
+		else:
+			os.environ['HGRCPATH'] = old_HGRCPATH
+	os.chdir(old_cwd)
+
+
+if __name__ == '__main__':
+	from tests import main
+	main()

tests/test_segments.py

@@ -1,11 +1,11 @@
 # -*- coding: utf-8 -*-
 
-from unittest import TestCase
 from powerline.segments import shell, common
 import tests.vim as vim_module
 import sys
 import os
-from .lib import Args, urllib_read, replace_module, replace_module_attr, new_module, replace_module_module, replace_env
+from tests.lib import Args, urllib_read, replace_module, replace_module_attr, new_module, replace_module_module, replace_env
+from tests import TestCase
 
 
 vim = None
@@ -96,11 +96,9 @@ class TestCommon(TestCase):
 			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())
-			with self.assertRaises(OSError):
-				common.cwd(dir_limit_depth=2, dir_shorten_len=2),
+			self.assertRaises(OSError, common.cwd, tuple(), {'dir_limit_depth': 2, 'dir_shorten_len': 2})
 			new_os.getcwdu = lambda: raises(ValueError())
-			with self.assertRaises(ValueError):
-				common.cwd(dir_limit_depth=2, dir_shorten_len=2),
+			self.assertRaises(ValueError, common.cwd, tuple(), {'dir_limit_depth': 2, 'dir_shorten_len': 2})
 
 	def test_date(self):
 		with replace_module_attr(common, 'datetime', Args(now=lambda: Args(strftime=lambda fmt: fmt))):
@@ -280,8 +278,10 @@ old_cwd = None
 
 def setUpModule():
 	global old_cwd
+	global __file__
 	sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), 'path')))
 	old_cwd = os.getcwd()
+	__file__ = os.path.abspath(__file__)
 	os.chdir(os.path.dirname(__file__))
 	from powerline.segments import vim
 	globals()['vim'] = vim
@@ -291,3 +291,8 @@ def tearDownModule():
 	global old_cwd
 	os.chdir(old_cwd)
 	sys.path.pop(0)
+
+
+if __name__ == '__main__':
+	from tests import main
+	main()

tests/vim.py

@@ -22,13 +22,19 @@ def _logged(func):
 	from functools import wraps
 
 	@wraps(func)
-	def f(*args):
+	def f(*args, **kwargs):
 		_log.append((func.__name__, args))
-		return func(*args)
+		return func(*args, **kwargs)
 
 	return f
 
 
+def _log_print():
+	import sys
+	for entry in _log:
+		sys.stdout.write(repr(entry) + '\n')
+
+
 @_logged
 def command(cmd):
 	if cmd.startswith('let g:'):
@@ -237,13 +243,13 @@ class _Buffer(object):
 _dict = None
 
 
+@_logged
 def _init():
 	global _dict
 
 	if _dict:
 		return _dict
 
-	import imp
 	_dict = {}
 	for varname, value in globals().items():
 		if varname[0] != '_':
@@ -252,6 +258,7 @@ def _init():
 	return _dict
 
 
+@_logged
 def _get_segment_info():
 	mode_translations = {
 			chr(ord('V') - 0x40): '^V',
@@ -268,10 +275,12 @@ def _get_segment_info():
 	}
 
 
+@_logged
 def _launch_event(event):
 	pass
 
 
+@_logged
 def _start_mode(mode):
 	global _mode
 	if mode == 'i':
@@ -281,6 +290,7 @@ def _start_mode(mode):
 	_mode = mode
 
 
+@_logged
 def _undo():
 	if len(_undostate[_buffer()]) == 1:
 		return
@@ -290,6 +300,7 @@ def _undo():
 		_buf_options[_buffer()]['modified'] = 0
 
 
+@_logged
 def _edit(name=None):
 	global _last_bufnr
 	if _buffer() and buffers[_buffer()].name is None:
@@ -300,12 +311,14 @@ def _edit(name=None):
 		windows[_window - 1].buffer = buf
 
 
+@_logged
 def _new(name=None):
 	global _window
 	_Window(buffer={'name': name})
 	_window = len(windows)
 
 
+@_logged
 def _del_window(winnr):
 	win = windows.pop(winnr - 1)
 	_win_scopes.pop(winnr)
@@ -314,6 +327,7 @@ def _del_window(winnr):
 	return win
 
 
+@_logged
 def _close(winnr, wipe=True):
 	global _window
 	win = _del_window(winnr)
@@ -329,6 +343,7 @@ def _close(winnr, wipe=True):
 		_Window()
 
 
+@_logged
 def _bw(bufnr=None):
 	bufnr = bufnr or _buffer()
 	winnr = 1
@@ -342,10 +357,12 @@ def _bw(bufnr=None):
 	_b(max(buffers.keys()))
 
 
+@_logged
 def _b(bufnr):
 	windows[_window - 1].buffer = buffers[bufnr]
 
 
+@_logged
 def _set_cursor(line, col):
 	windows[_window - 1].cursor = (line, col)
 	if _mode == 'n':
@@ -354,10 +371,12 @@ def _set_cursor(line, col):
 		_launch_event('CursorMovedI')
 
 
+@_logged
 def _get_buffer():
 	return buffers[_buffer()]
 
 
+@_logged
 def _set_bufoption(option, value, bufnr=None):
 	_buf_options[bufnr or _buffer()][option] = value
 	if option == 'filetype':
@@ -377,6 +396,7 @@ class _WithNewBuffer(object):
 		_bw(self.bufnr)
 
 
+@_logged
 def _set_dict(d, new, setfunc=None):
 	if not setfunc:
 		def setfunc(k, v):
@@ -432,6 +452,7 @@ class _WithDict(object):
 			self.d.pop(k)
 
 
+@_logged
 def _with(key, *args, **kwargs):
 	if key == 'buffer':
 		return _WithNewBuffer(_edit, *args, **kwargs)