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# Copyright (C) 2010 by Canonical Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
from bzrlib.tests import TestCase, Feature
from bzrlib import commands
from StringIO import StringIO
from ..bashcomp import bash_completion_function
import os
import subprocess
class _BashFeature(Feature):
bash_paths = ['/bin/bash', '/usr/bin/bash']
def __init__(self):
super(_BashFeature, self).__init__()
self.bash_path = None
def available(self):
if self.bash_path is not None:
return self.bash_path is not False
for path in self.bash_paths:
if os.access(path, os.X_OK):
self.bash_path = path
return True
self.bash_path = False
return False
def feature_name(self):
return 'bash'
BashFeature = _BashFeature()
class TestBashCompletion(TestCase):
_test_needs_features = [BashFeature]
def __init__(self, methodName='testMethod'):
super(TestBashCompletion, self).__init__(methodName)
self.script = None
def setUp(self):
super(TestBashCompletion, self).setUp()
commands.install_bzr_command_hooks()
def complete(self, words, cword=-1, expect=None,
contains=[], omits=[]):
if self.script is None:
self.script = self.get_script()
proc = subprocess.Popen([BashFeature.bash_path, '--noprofile'],
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
if cword < 0:
cword = len(words) + cword
input = """
%(script)s
COMP_WORDS=( %(words)s )
COMP_CWORD=%(cword)d
%(name)s
echo ${#COMPREPLY[*]}
IFS=$'\\n'
echo "${COMPREPLY[*]}"
""" % { 'script': self.script,
'words': ' '.join(["'"+w.replace("'", "'\\''")+"'" for w in words]),
'cword': cword,
'name': getattr(self, 'script_name', '_bzr'),
}
(out, err) = proc.communicate(input)
self.assertEqual('', err, 'No messages to standard error')
#import sys
#print >>sys.stdout, '---\n%s\n---\n%s\n---\n' % (input, out)
lines = out.split('\n')
nlines = int(lines[0])
del lines[0]
self.assertEqual('', lines[-1], 'Newline at end')
del lines[-1]
if nlines == 0 and len(lines) == 1 and lines[0] == '':
del lines[0]
self.assertEqual(nlines, len(lines), 'No newlines in generated words')
if expect is not None:
self.assertEqual(expect, lines)
for item in contains:
self.assertTrue(item in lines)
for item in omits:
self.assertFalse(item in lines)
return lines
def get_script(self):
out = StringIO()
bash_completion_function(out, function_only=True)
return out.getvalue()
def test_simple_scipt(self):
"""Ensure that the test harness works as expected"""
self.script = """
_bzr() {
COMPREPLY=()
# add all words in reverse order, with some markup around them
for ((i = ${#COMP_WORDS[@]}; i > 0; --i)); do
COMPREPLY+=( "-${COMP_WORDS[i-1]}+" )
done
# and append the current word
COMPREPLY+=( "+${COMP_WORDS[COMP_CWORD]}-" )
}
"""
self.complete(['foo', '"bar', "'baz"], cword=1,
expect=["-'baz+", '-"bar+', '-foo+', '+"bar-'])
def test_cmd_ini(self):
c = self.complete(['bzr', 'ini'],
contains=['init', 'init-repo', 'init-repository'])
self.assertFalse('commit' in c)
def test_init_opts(self):
c = self.complete(['bzr', 'init', '-'],
contains=['-h', '--2a', '--format=2a'])
def test_global_opts(self):
c = self.complete(['bzr', '-', 'init'], cword=1,
contains=['--no-plugins', '-?'])
def test_commit_dashm(self):
c = self.complete(['bzr', 'commit', '-m'], expect=['-m'])
def test_status_negated(self):
c = self.complete(['bzr', 'status', '--n'],
contains=['--no-versioned', '--no-verbose'])
def test_init_format_any(self):
c = self.complete(['bzr', 'init', '--format', '=', 'directory'],
cword=3, contains=['1.9', '2a'])
def test_init_format_2(self):
c = self.complete(['bzr', 'init', '--format', '=', '2', 'directory'],
cword=4, contains=['2a'], omits=['1.9'])
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