test_msgeditor.py :  » Development » Bazaar » bzr-2.2b3 » bzrlib » tests » Python Open Source

Home
Python Open Source
1.3.1.2 Python
2.Ajax
3.Aspect Oriented
4.Blog
5.Build
6.Business Application
7.Chart Report
8.Content Management Systems
9.Cryptographic
10.Database
11.Development
12.Editor
13.Email
14.ERP
15.Game 2D 3D
16.GIS
17.GUI
18.IDE
19.Installer
20.IRC
21.Issue Tracker
22.Language Interface
23.Log
24.Math
25.Media Sound Audio
26.Mobile
27.Network
28.Parser
29.PDF
30.Project Management
31.RSS
32.Search
33.Security
34.Template Engines
35.Test
36.UML
37.USB Serial
38.Web Frameworks
39.Web Server
40.Web Services
41.Web Unit
42.Wiki
43.Windows
44.XML
Python Open Source » Development » Bazaar 
Bazaar » bzr 2.2b3 » bzrlib » tests » test_msgeditor.py
# Copyright (C) 2005-2010 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

"""Test commit message editor.
"""

import os
import sys

from bzrlib import (
    commit,
    errors,
    msgeditor,
    osutils,
    tests,
    trace,
    )
from bzrlib.branch import Branch
from bzrlib.config import ensure_config_dir_exists,config_filename
from bzrlib.msgeditor import (
    make_commit_message_template_encoded,
    edit_commit_message_encoded
)
from bzrlib.tests import (
    TestCaseInTempDir,
    TestCaseWithTransport,
    TestNotApplicable,
    TestSkipped,
    multiply_tests,
    probe_bad_non_ascii,
    split_suite_by_re,
    )
from bzrlib.tests.EncodingAdapter import encoding_scenarios
from bzrlib.trace import mutter


def load_tests(standard_tests, module, loader):
    """Parameterize the test for tempfile creation with different encodings."""
    to_adapt, result = split_suite_by_re(standard_tests,
        "test__create_temp_file_with_commit_template_in_unicode_dir")
    return multiply_tests(to_adapt, encoding_scenarios, result)


class MsgEditorTest(TestCaseWithTransport):

    def make_uncommitted_tree(self):
        """Build a branch with uncommitted unicode named changes in the cwd."""
        working_tree = self.make_branch_and_tree('.')
        b = working_tree.branch
        filename = u'hell\u00d8'
        try:
            self.build_tree_contents([(filename, 'contents of hello')])
        except UnicodeEncodeError:
            raise TestSkipped("can't build unicode working tree in "
                "filesystem encoding %s" % sys.getfilesystemencoding())
        working_tree.add(filename)
        return working_tree

    def test_commit_template(self):
        """Test building a commit message template"""
        working_tree = self.make_uncommitted_tree()
        template = msgeditor.make_commit_message_template(working_tree,
                                                                 None)
        self.assertEqualDiff(template,
u"""\
added:
  hell\u00d8
""")

    def make_multiple_pending_tree(self):
        from bzrlib import config
        config.GlobalConfig().set_user_option('email',
                                              'Bilbo Baggins <bb@hobbit.net>')
        tree = self.make_branch_and_tree('a')
        tree.commit('Initial checkin.', timestamp=1230912900, timezone=0)
        tree2 = tree.bzrdir.clone('b').open_workingtree()
        tree.commit('Minor tweak.', timestamp=1231977840, timezone=0)
        tree2.commit('Feature X work.', timestamp=1233186240, timezone=0)
        tree3 = tree2.bzrdir.clone('c').open_workingtree()
        tree2.commit('Feature X finished.', timestamp=1233187680, timezone=0)
        tree3.commit('Feature Y, based on initial X work.',
                     timestamp=1233285960, timezone=0)
        tree.merge_from_branch(tree2.branch)
        tree.merge_from_branch(tree3.branch, force=True)
        return tree

    def test_commit_template_pending_merges(self):
        """Test building a commit message template when there are pending
        merges.  The commit message should show all pending merge revisions,
        as does 'status -v', not only the merge tips.
        """
        working_tree = self.make_multiple_pending_tree()
        template = msgeditor.make_commit_message_template(working_tree, None)
        self.assertEqualDiff(template,
u"""\
pending merges:
  Bilbo Baggins 2009-01-29 Feature X finished.
    Bilbo Baggins 2009-01-28 Feature X work.
  Bilbo Baggins 2009-01-30 Feature Y, based on initial X work.
""")

    def test_commit_template_encoded(self):
        """Test building a commit message template"""
        working_tree = self.make_uncommitted_tree()
        template = make_commit_message_template_encoded(working_tree,
                                                        None,
                                                        output_encoding='utf8')
        self.assertEqualDiff(template,
u"""\
added:
  hell\u00d8
""".encode("utf8"))


    def test_commit_template_and_diff(self):
        """Test building a commit message template"""
        working_tree = self.make_uncommitted_tree()
        template = make_commit_message_template_encoded(working_tree,
                                                        None,
                                                        diff=True,
                                                        output_encoding='utf8')

        self.assertTrue("""\
@@ -0,0 +1,1 @@
+contents of hello
""" in template)
        self.assertTrue(u"""\
added:
  hell\u00d8
""".encode('utf8') in template)

    def make_do_nothing_editor(self):
        if sys.platform == "win32":
            f = file('fed.bat', 'w')
            f.write('@rem dummy fed')
            f.close()
            return 'fed.bat'
        else:
            f = file('fed.sh', 'wb')
            f.write('#!/bin/sh\n')
            f.close()
            os.chmod('fed.sh', 0755)
            return './fed.sh'

    def test_run_editor(self):
        os.environ['BZR_EDITOR'] = self.make_do_nothing_editor()
        self.assertEqual(True, msgeditor._run_editor(''),
                         'Unable to run dummy fake editor')

    def make_fake_editor(self, message='test message from fed\\n'):
        """Set up environment so that an editor will be a known script.

        Sets up BZR_EDITOR so that if an editor is spawned it will run a
        script that just adds a known message to the start of the file.
        """
        f = file('fed.py', 'wb')
        f.write('#!%s\n' % sys.executable)
        f.write("""\
# coding=utf-8
import sys
if len(sys.argv) == 2:
    fn = sys.argv[1]
    f = file(fn, 'rb')
    s = f.read()
    f.close()
    f = file(fn, 'wb')
    f.write('%s')
    f.write(s)
    f.close()
""" % (message, ))
        f.close()
        if sys.platform == "win32":
            # [win32] make batch file and set BZR_EDITOR
            f = file('fed.bat', 'w')
            f.write("""\
@echo off
"%s" fed.py %%1
""" % sys.executable)
            f.close()
            os.environ['BZR_EDITOR'] = 'fed.bat'
        else:
            # [non-win32] make python script executable and set BZR_EDITOR
            os.chmod('fed.py', 0755)
            os.environ['BZR_EDITOR'] = './fed.py'

    def test_edit_commit_message(self):
        working_tree = self.make_uncommitted_tree()
        self.make_fake_editor()

        mutter('edit_commit_message without infotext')
        self.assertEqual('test message from fed\n',
                         msgeditor.edit_commit_message(''))

        mutter('edit_commit_message with ascii string infotext')
        self.assertEqual('test message from fed\n',
                         msgeditor.edit_commit_message('spam'))

        mutter('edit_commit_message with unicode infotext')
        self.assertEqual('test message from fed\n',
                         msgeditor.edit_commit_message(u'\u1234'))

        tmpl = edit_commit_message_encoded(u'\u1234'.encode("utf8"))
        self.assertEqual('test message from fed\n', tmpl)

    def test_start_message(self):
        self.make_uncommitted_tree()
        self.make_fake_editor()
        self.assertEqual('test message from fed\nstart message\n',
                         msgeditor.edit_commit_message('',
                                              start_message='start message\n'))
        self.assertEqual('test message from fed\n',
                         msgeditor.edit_commit_message('',
                                              start_message=''))

    def test_deleted_commit_message(self):
        working_tree = self.make_uncommitted_tree()

        if sys.platform == 'win32':
            os.environ['BZR_EDITOR'] = 'cmd.exe /c del'
        else:
            os.environ['BZR_EDITOR'] = 'rm'

        self.assertRaises((IOError, OSError), msgeditor.edit_commit_message, '')

    def test__get_editor(self):
        # Test that _get_editor can return a decent list of items
        bzr_editor = os.environ.get('BZR_EDITOR')
        visual = os.environ.get('VISUAL')
        editor = os.environ.get('EDITOR')
        try:
            os.environ['BZR_EDITOR'] = 'bzr_editor'
            os.environ['VISUAL'] = 'visual'
            os.environ['EDITOR'] = 'editor'

            ensure_config_dir_exists()
            f = open(config_filename(), 'wb')
            f.write('editor = config_editor\n')
            f.close()

            editors = list(msgeditor._get_editor())
            editors = [editor for (editor, cfg_src) in editors]

            self.assertEqual(['bzr_editor', 'config_editor', 'visual',
                              'editor'], editors[:4])

            if sys.platform == 'win32':
                self.assertEqual(['wordpad.exe', 'notepad.exe'], editors[4:])
            else:
                self.assertEqual(['/usr/bin/editor', 'vi', 'pico', 'nano',
                                  'joe'], editors[4:])

        finally:
            # Restore the environment
            if bzr_editor is None:
                del os.environ['BZR_EDITOR']
            else:
                os.environ['BZR_EDITOR'] = bzr_editor
            if visual is None:
                del os.environ['VISUAL']
            else:
                os.environ['VISUAL'] = visual
            if editor is None:
                del os.environ['EDITOR']
            else:
                os.environ['EDITOR'] = editor

    def test__run_editor_EACCES(self):
        """If running a configured editor raises EACESS, the user is warned."""
        os.environ['BZR_EDITOR'] = 'eacces.py'
        f = file('eacces.py', 'wb')
        f.write('# Not a real editor')
        f.close()
        # Make the fake editor unreadable (and unexecutable)
        os.chmod('eacces.py', 0)
        # Set $EDITOR so that _run_editor will terminate before trying real
        # editors.
        os.environ['EDITOR'] = self.make_do_nothing_editor()
        # Call _run_editor, capturing mutter.warning calls.
        warnings = []
        def warning(*args):
            if len(args) > 1:
                warnings.append(args[0] % args[1:])
            else:
                warnings.append(args[0])
        _warning = trace.warning
        trace.warning = warning
        try:
            msgeditor._run_editor('')
        finally:
            trace.warning = _warning
        self.assertStartsWith(warnings[0], 'Could not start editor "eacces.py"')

    def test__create_temp_file_with_commit_template(self):
        # check that commit template written properly
        # and has platform native line-endings (CRLF on win32)
        create_file = msgeditor._create_temp_file_with_commit_template
        msgfilename, hasinfo = create_file('infotext','----','start message')
        self.assertNotEqual(None, msgfilename)
        self.assertTrue(hasinfo)
        expected = os.linesep.join(['start message',
                                    '',
                                    '',
                                    '----',
                                    '',
                                    'infotext'])
        self.assertFileEqual(expected, msgfilename)

    def test__create_temp_file_with_commit_template_in_unicode_dir(self):
        self.requireFeature(tests.UnicodeFilenameFeature)
        if hasattr(self, 'info'):
            os.mkdir(self.info['directory'])
            os.chdir(self.info['directory'])
            msgeditor._create_temp_file_with_commit_template('infotext')
        else:
            raise TestNotApplicable('Test run elsewhere with non-ascii data.')

    def test__create_temp_file_with_empty_commit_template(self):
        # empty file
        create_file = msgeditor._create_temp_file_with_commit_template
        msgfilename, hasinfo = create_file('')
        self.assertNotEqual(None, msgfilename)
        self.assertFalse(hasinfo)
        self.assertFileEqual('', msgfilename)

    def test_unsupported_encoding_commit_message(self):
        old_env = osutils.set_or_unset_env('LANG', 'C')
        try:
            # LANG env variable has no effect on Windows
            # but some characters anyway cannot be represented
            # in default user encoding
            char = probe_bad_non_ascii(osutils.get_user_encoding())
            if char is None:
                raise TestSkipped('Cannot find suitable non-ascii character '
                    'for user_encoding (%s)' % osutils.get_user_encoding())

            self.make_fake_editor(message=char)

            working_tree = self.make_uncommitted_tree()
            self.assertRaises(errors.BadCommitMessageEncoding,
                              msgeditor.edit_commit_message, '')
        finally:
            osutils.set_or_unset_env('LANG', old_env)

    def test_generate_commit_message_template_no_hooks(self):
        commit_obj = commit.Commit()
        self.assertIs(None,
            msgeditor.generate_commit_message_template(commit_obj))

    def test_generate_commit_message_template_hook(self):
        msgeditor.hooks.install_named_hook("commit_message_template",
                lambda commit_obj, msg: "save me some typing\n", None)
        commit_obj = commit.Commit()
        self.assertEquals("save me some typing\n",
            msgeditor.generate_commit_message_template(commit_obj))


# GZ 2009-11-17: This wants moving to osutils when the errno checking code is
class TestPlatformErrnoWorkarounds(TestCaseInTempDir):
    """Ensuring workarounds enshrined in code actually serve a purpose"""

    def test_subprocess_call_bad_file(self):
        if sys.platform != "win32":
            raise TestNotApplicable("Workarounds for windows only")
        import subprocess, errno
        ERROR_BAD_EXE_FORMAT = 193
        file("textfile.txt", "w").close()
        e = self.assertRaises(WindowsError, subprocess.call, "textfile.txt")
        # Python2.4 used the 'winerror' as the errno, which confuses a lot of
        # our error trapping code. Make sure that we understand the mapping
        # correctly.
        if sys.version_info >= (2, 5):
            self.assertEqual(e.errno, errno.ENOEXEC)
            self.assertEqual(e.winerror, ERROR_BAD_EXE_FORMAT)
        else:
            self.assertEqual(e.errno, ERROR_BAD_EXE_FORMAT)
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.