~bzr-pqm/bzr/bzr.dev

# 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

import sys

import bzrlib

from bzrlib import commands, tests

from bzrlib.tests import features

from bzrlib.plugins.bash_completion.bashcomp import *

import os

import subprocess

class BashCompletionMixin(object):

    """Component for testing execution of a bash completion script."""

    _test_needs_features = [features.bash_feature]

    script = None

    def complete(self, words, cword=-1):

        """Perform a bash completion.

        :param words: a list of words representing the current command.

        :param cword: the current word to complete, defaults to the last one.

        """

        if self.script is None:

            self.script = self.get_script()

        proc = subprocess.Popen([features.bash_feature.path,

                                 '--noprofile'],

                                stdin=subprocess.PIPE,

                                stdout=subprocess.PIPE,

                                stderr=subprocess.PIPE)

        if cword < 0:

            cword = len(words) + cword

        input = '%s\n' % self.script

        input += ('COMP_WORDS=( %s )\n' %

                  ' '.join(["'"+w.replace("'", "'\\''")+"'" for w in words]))

        input += 'COMP_CWORD=%d\n' % cword

        input += '%s\n' % getattr(self, 'script_name', '_bzr')

        input += 'echo ${#COMPREPLY[*]}\n'

        input += "IFS=$'\\n'\n"

        input += 'echo "${COMPREPLY[*]}"\n'

        (out, err) = proc.communicate(input)

        if '' != err:

            raise AssertionError('Unexpected error message:\n%s' % err)

        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')

        self.completion_result = set(lines)

        return self.completion_result

    def assertCompletionEquals(self, *words):

        self.assertEqual(set(words), self.completion_result)

    def assertCompletionContains(self, *words):

        missing = set(words) - self.completion_result

        if missing:

            raise AssertionError('Completion should contain %r but it has %r'

                                 % (missing, self.completion_result))

    def assertCompletionOmits(self, *words):

        surplus = set(words) & self.completion_result

        if surplus:

            raise AssertionError('Completion should omit %r but it has %r'

                                 % (surplus, res, self.completion_result))

    def get_script(self):

        commands.install_bzr_command_hooks()

        dc = DataCollector()

        data = dc.collect()

        cg = BashCodeGen(data)

        res = cg.function()

        return res

class TestBashCompletion(tests.TestCase, BashCompletionMixin):

    """Test bash completions that don't execute bzr."""

    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)

        self.assertCompletionEquals("-'baz+", '-"bar+', '-foo+', '+"bar-')

    def test_cmd_ini(self):

        self.complete(['bzr', 'ini'])

        self.assertCompletionContains('init', 'init-repo', 'init-repository')

        self.assertCompletionOmits('commit')

    def test_init_opts(self):

        self.complete(['bzr', 'init', '-'])

        self.assertCompletionContains('-h', '--2a', '--format=2a')

    def test_global_opts(self):

        self.complete(['bzr', '-', 'init'], cword=1)

        self.assertCompletionContains('--no-plugins', '--builtin')

    def test_commit_dashm(self):

        self.complete(['bzr', 'commit', '-m'])

        self.assertCompletionEquals('-m')

    def test_status_negated(self):

        self.complete(['bzr', 'status', '--n'])

        self.assertCompletionContains('--no-versioned', '--no-verbose')

    def test_init_format_any(self):

        self.complete(['bzr', 'init', '--format', '=', 'directory'], cword=3)

        self.assertCompletionContains('1.9', '2a')

    def test_init_format_2(self):

        self.complete(['bzr', 'init', '--format', '=', '2', 'directory'],

                      cword=4)

        self.assertCompletionContains('2a')

        self.assertCompletionOmits('1.9')

class TestBashCompletionInvoking(tests.TestCaseWithTransport,

                                 BashCompletionMixin):

    """Test bash completions that might execute bzr.

    Only the syntax ``$(bzr ...`` is supported so far. The bzr command

    will be replaced by the bzr instance running this selftest.

    """

    def setUp(self):

        super(TestBashCompletionInvoking, self).setUp()

        if sys.platform == 'win32':

            raise tests.KnownFailure(

                'see bug #709104, completion is broken on windows')

    def get_script(self):

        s = super(TestBashCompletionInvoking, self).get_script()

        return s.replace("$(bzr ", "$('%s' " % self.get_bzr_path())

    def test_revspec_tag_all(self):

        self.requireFeature(features.sed_feature)

        wt = self.make_branch_and_tree('.', format='dirstate-tags')

        wt.branch.tags.set_tag('tag1', 'null:')

        wt.branch.tags.set_tag('tag2', 'null:')

        wt.branch.tags.set_tag('3tag', 'null:')

        self.complete(['bzr', 'log', '-r', 'tag', ':'])

        self.assertCompletionEquals('tag1', 'tag2', '3tag')

    def test_revspec_tag_prefix(self):

        self.requireFeature(features.sed_feature)

        wt = self.make_branch_and_tree('.', format='dirstate-tags')

        wt.branch.tags.set_tag('tag1', 'null:')

        wt.branch.tags.set_tag('tag2', 'null:')

        wt.branch.tags.set_tag('3tag', 'null:')

        self.complete(['bzr', 'log', '-r', 'tag', ':', 't'])

        self.assertCompletionEquals('tag1', 'tag2')

    def test_revspec_tag_spaces(self):

        self.requireFeature(features.sed_feature)

        wt = self.make_branch_and_tree('.', format='dirstate-tags')

        wt.branch.tags.set_tag('tag with spaces', 'null:')

        self.complete(['bzr', 'log', '-r', 'tag', ':', 't'])

        self.assertCompletionEquals(r'tag\ with\ spaces')

        self.complete(['bzr', 'log', '-r', '"tag:t'])

        self.assertCompletionEquals('tag:tag with spaces')

        self.complete(['bzr', 'log', '-r', "'tag:t"])

        self.assertCompletionEquals('tag:tag with spaces')

    def test_revspec_tag_endrange(self):

        self.requireFeature(features.sed_feature)

        wt = self.make_branch_and_tree('.', format='dirstate-tags')

        wt.branch.tags.set_tag('tag1', 'null:')

        wt.branch.tags.set_tag('tag2', 'null:')

        self.complete(['bzr', 'log', '-r', '3..tag', ':', 't'])

        self.assertCompletionEquals('tag1', 'tag2')

        self.complete(['bzr', 'log', '-r', '"3..tag:t'])

        self.assertCompletionEquals('3..tag:tag1', '3..tag:tag2')

        self.complete(['bzr', 'log', '-r', "'3..tag:t"])

        self.assertCompletionEquals('3..tag:tag1', '3..tag:tag2')

class TestBashCodeGen(tests.TestCase):

    def test_command_names(self):

        data = CompletionData()

        bar = CommandData('bar')

        bar.aliases.append('baz')

        data.commands.append(bar)

        data.commands.append(CommandData('foo'))

        cg = BashCodeGen(data)

        self.assertEqual('bar baz foo', cg.command_names())

    def test_debug_output(self):

        data = CompletionData()

        self.assertEqual('', BashCodeGen(data, debug=False).debug_output())

        self.assertTrue(BashCodeGen(data, debug=True).debug_output())

    def test_bzr_version(self):

        data = CompletionData()

        cg = BashCodeGen(data)

        self.assertEqual('%s.' % bzrlib.version_string, cg.bzr_version())

        data.plugins['foo'] = PluginData('foo', '1.0')

        data.plugins['bar'] = PluginData('bar', '2.0')

        cg = BashCodeGen(data)

        self.assertEqual('''\

%s and the following plugins:

# bar 2.0

# foo 1.0''' % bzrlib.version_string, cg.bzr_version())

    def test_global_options(self):

        data = CompletionData()

        data.global_options.add('--foo')

        data.global_options.add('--bar')

        cg = BashCodeGen(data)

        self.assertEqual('--bar --foo', cg.global_options())

    def test_command_cases(self):

        data = CompletionData()

        bar = CommandData('bar')

        bar.aliases.append('baz')

        bar.options.append(OptionData('--opt'))

        data.commands.append(bar)

        data.commands.append(CommandData('foo'))

        cg = BashCodeGen(data)

        self.assertEqualDiff('''\

\tbar|baz)

\t\tcmdOpts=( --opt )

\t\t;;

\tfoo)

\t\tcmdOpts=(  )

\t\t;;

''', cg.command_cases())

    def test_command_case(self):

        cmd = CommandData('cmd')

        cmd.plugin = PluginData('plugger', '1.0')

        bar = OptionData('--bar')

        bar.registry_keys = ['that', 'this']

        bar.error_messages.append('Some error message')

        cmd.options.append(bar)

        cmd.options.append(OptionData('--foo'))

        data = CompletionData()

        data.commands.append(cmd)

        cg = BashCodeGen(data)

        self.assertEqualDiff('''\

\tcmd)

\t\t# plugin "plugger 1.0"

\t\t# Some error message

\t\tcmdOpts=( --bar=that --bar=this --foo )

\t\tcase $curOpt in

\t\t\t--bar) optEnums=( that this ) ;;

\t\tesac

\t\t;;

''', cg.command_case(cmd))

class TestDataCollector(tests.TestCase):

    def setUp(self):

        super(TestDataCollector, self).setUp()

        commands.install_bzr_command_hooks()

    def test_global_options(self):

        dc = DataCollector()

        dc.global_options()

        self.assertSubset(['--no-plugins', '--builtin'],

                           dc.data.global_options)

    def test_commands(self):

        dc = DataCollector()

        dc.commands()

        self.assertSubset(['init', 'init-repo', 'init-repository'],

                           dc.data.all_command_aliases())

    def test_commands_from_plugins(self):

        dc = DataCollector()

        dc.commands()

        self.assertSubset(['bash-completion'],

                           dc.data.all_command_aliases())

    def test_commit_dashm(self):

        dc = DataCollector()

        cmd = dc.command('commit')

        self.assertSubset(['-m'],

                           [str(o) for o in cmd.options])

    def test_status_negated(self):

        dc = DataCollector()

        cmd = dc.command('status')

        self.assertSubset(['--no-versioned', '--no-verbose'],

                           [str(o) for o in cmd.options])

    def test_init_format(self):

        dc = DataCollector()

        cmd = dc.command('init')

        for opt in cmd.options:

            if opt.name == '--format':

                self.assertSubset(['2a'], opt.registry_keys)

                return

        raise AssertionError('Option --format not found')