~bzr-pqm/bzr/bzr.dev

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# Copyright (C) 2005, 2006, 2007 Canonical Ltd
# -*- coding: utf-8 -*-
#
# 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA


"""Black-box tests for bzr log."""

import os

import bzrlib
from bzrlib.tests.blackbox import ExternalBase
from bzrlib.tests import TestCaseInTempDir, TestCaseWithTransport
from bzrlib.tests.test_log import (
    normalize_log,
    )


class TestLog(ExternalBase):

    def _prepare(self, path='.', format=None):
        tree = self.make_branch_and_tree(path, format=format)
        self.build_tree(
            [path + '/hello.txt', path + '/goodbye.txt', path + '/meep.txt'])
        tree.add('hello.txt')
        tree.commit(message='message1')
        tree.add('goodbye.txt')
        tree.commit(message='message2')
        tree.add('meep.txt')
        tree.commit(message='message3')
        self.full_log = self.run_bzr(["log", path])[0]
        return tree

    def test_log_null_end_revspec(self):
        self._prepare()
        self.assertTrue('revno: 1\n' in self.full_log)
        self.assertTrue('revno: 2\n' in self.full_log)
        self.assertTrue('revno: 3\n' in self.full_log)
        self.assertTrue('message:\n  message1\n' in self.full_log)
        self.assertTrue('message:\n  message2\n' in self.full_log)
        self.assertTrue('message:\n  message3\n' in self.full_log)

        log = self.run_bzr("log -r 1..")[0]
        self.assertEqualDiff(log, self.full_log)

    def test_log_null_begin_revspec(self):
        self._prepare()
        log = self.run_bzr("log -r ..3")[0]
        self.assertEqualDiff(self.full_log, log)

    def test_log_null_both_revspecs(self):
        self._prepare()
        log = self.run_bzr("log -r ..")[0]
        self.assertEqualDiff(self.full_log, log)

    def test_log_zero_revspec(self):
        self._prepare()
        self.run_bzr_error('bzr: ERROR: Logging revision 0 is invalid.',
                           ['log', '-r0'])

    def test_log_zero_begin_revspec(self):
        self._prepare()
        self.run_bzr_error('bzr: ERROR: Logging revision 0 is invalid.',
                           ['log', '-r0..2'])

    def test_log_zero_end_revspec(self):
        self._prepare()
        self.run_bzr_error('bzr: ERROR: Logging revision 0 is invalid.',
                           ['log', '-r-2..0'])

    def test_log_unsupported_timezone(self):
        self._prepare()
        self.run_bzr_error('bzr: ERROR: Unsupported timezone format "foo", '
                           'options are "utc", "original", "local".',
                           ['log', '--timezone', 'foo'])

    def test_log_negative_begin_revspec_full_log(self):
        self._prepare()
        log = self.run_bzr("log -r -3..")[0]
        self.assertEqualDiff(self.full_log, log)

    def test_log_negative_both_revspec_full_log(self):
        self._prepare()
        log = self.run_bzr("log -r -3..-1")[0]
        self.assertEqualDiff(self.full_log, log)

    def test_log_negative_both_revspec_partial(self):
        self._prepare()
        log = self.run_bzr("log -r -3..-2")[0]
        self.assertTrue('revno: 1\n' in log)
        self.assertTrue('revno: 2\n' in log)
        self.assertTrue('revno: 3\n' not in log)

    def test_log_negative_begin_revspec(self):
        self._prepare()
        log = self.run_bzr("log -r -2..")[0]
        self.assertTrue('revno: 1\n' not in log)
        self.assertTrue('revno: 2\n' in log)
        self.assertTrue('revno: 3\n' in log)

    def test_log_positive_revspecs(self):
        self._prepare()
        log = self.run_bzr("log -r 1..3")[0]
        self.assertEqualDiff(self.full_log, log)

    def test_log_reversed_revspecs(self):
        self._prepare()
        self.run_bzr_error(('bzr: ERROR: Start revision must be older than '
                            'the end revision.\n',),
                           ['log', '-r3..1'])

    def test_log_revno_n_path(self):
        self._prepare(path='branch1')
        self._prepare(path='branch2')
        log = self.run_bzr("log -r revno:2:branch1..revno:3:branch2",
                          retcode=3)[0]
        log = self.run_bzr("log -r revno:1:branch2..revno:3:branch2")[0]
        self.assertEqualDiff(self.full_log, log)
        log = self.run_bzr("log -r revno:1:branch2")[0]
        self.assertTrue('revno: 1\n' in log)
        self.assertTrue('revno: 2\n' not in log)
        self.assertTrue('branch nick: branch2\n' in log)
        self.assertTrue('branch nick: branch1\n' not in log)
        
    def test_log_nonexistent_file(self):
        # files that don't exist in either the basis tree or working tree
        # should give an error
        wt = self.make_branch_and_tree('.')
        out, err = self.run_bzr('log does-not-exist', retcode=3)
        self.assertContainsRe(
            err, 'Path does not have any revision history: does-not-exist')

    def test_log_with_tags(self):
        tree = self._prepare(format='dirstate-tags')
        branch = tree.branch
        branch.tags.set_tag('tag1', branch.get_rev_id(1))
        branch.tags.set_tag('tag1.1', branch.get_rev_id(1))
        branch.tags.set_tag('tag3', branch.last_revision()) 
        
        log = self.run_bzr("log -r-1")[0]
        self.assertTrue('tags: tag3' in log)

        log = self.run_bzr("log -r1")[0]
        # I guess that we can't know the order of tags in the output
        # since dicts are unordered, need to check both possibilities
        self.assertContainsRe(log, r'tags: (tag1, tag1\.1|tag1\.1, tag1)')

    def test_merged_log_with_tags(self):
        branch1_tree = self._prepare(path='branch1', format='dirstate-tags')
        branch1 = branch1_tree.branch
        branch2_tree = branch1_tree.bzrdir.sprout('branch2').open_workingtree()
        branch1_tree.commit(message='foobar', allow_pointless=True)
        branch1.tags.set_tag('tag1', branch1.last_revision())
        os.chdir('branch2')
        self.run_bzr('merge ../branch1') # tags don't propagate otherwise
        branch2_tree.commit(message='merge branch 1')
        log = self.run_bzr("log -r-1")[0]
        self.assertContainsRe(log, r'    tags: tag1')
        log = self.run_bzr("log -r3.1.1")[0]
        self.assertContainsRe(log, r'tags: tag1')

    def test_log_limit(self):
        self._prepare()
        log = self.run_bzr("log --limit 2")[0]
        self.assertNotContainsRe(log, r'revno: 1\n')
        self.assertContainsRe(log, r'revno: 2\n')
        self.assertContainsRe(log, r'revno: 3\n')

    def test_log_limit_short(self):
        self._prepare()
        log = self.run_bzr("log -l 2")[0]
        self.assertNotContainsRe(log, r'revno: 1\n')
        self.assertContainsRe(log, r'revno: 2\n')
        self.assertContainsRe(log, r'revno: 3\n')

class TestLogMerges(ExternalBase):

    def _prepare(self):
        parent_tree = self.make_branch_and_tree('parent')
        parent_tree.commit(message='first post', allow_pointless=True)
        child_tree = parent_tree.bzrdir.sprout('child').open_workingtree()
        child_tree.commit(message='branch 1', allow_pointless=True)
        smaller_tree = \
                child_tree.bzrdir.sprout('smallerchild').open_workingtree()
        smaller_tree.commit(message='branch 2', allow_pointless=True)
        child_tree.merge_from_branch(smaller_tree.branch)
        child_tree.commit(message='merge branch 2')
        parent_tree.merge_from_branch(child_tree.branch)
        parent_tree.commit(message='merge branch 1')
        os.chdir('parent')

    def test_merges_are_indented_by_level(self):
        self._prepare()
        out,err = self.run_bzr('log')
        self.assertEqual('', err)
        log = normalize_log(out)
        self.assertEqualDiff(log, """\
------------------------------------------------------------
revno: 2
committer: Lorem Ipsum <test@example.com>
branch nick: parent
timestamp: Just now
message:
  merge branch 1
    ------------------------------------------------------------
    revno: 1.1.2
    committer: Lorem Ipsum <test@example.com>
    branch nick: child
    timestamp: Just now
    message:
      merge branch 2
        ------------------------------------------------------------
        revno: 1.2.1
        committer: Lorem Ipsum <test@example.com>
        branch nick: smallerchild
        timestamp: Just now
        message:
          branch 2
    ------------------------------------------------------------
    revno: 1.1.1
    committer: Lorem Ipsum <test@example.com>
    branch nick: child
    timestamp: Just now
    message:
      branch 1
------------------------------------------------------------
revno: 1
committer: Lorem Ipsum <test@example.com>
branch nick: parent
timestamp: Just now
message:
  first post
""")

    def test_merges_single_merge_rev(self):
        self._prepare()
        out,err = self.run_bzr('log -r1.1.2')
        self.assertEqual('', err)
        log = normalize_log(out)
        self.assertEqualDiff(log, """\
------------------------------------------------------------
revno: 1.1.2
committer: Lorem Ipsum <test@example.com>
branch nick: child
timestamp: Just now
message:
  merge branch 2
    ------------------------------------------------------------
    revno: 1.2.1
    committer: Lorem Ipsum <test@example.com>
    branch nick: smallerchild
    timestamp: Just now
    message:
      branch 2
""")

    def test_merges_partial_range(self):
        self._prepare()
        out,err = self.run_bzr('log -r1.1.1..1.1.2')
        self.assertEqual('', err)
        log = normalize_log(out)
        self.assertEqualDiff(log, """\
------------------------------------------------------------
revno: 1.1.2
committer: Lorem Ipsum <test@example.com>
branch nick: child
timestamp: Just now
message:
  merge branch 2
    ------------------------------------------------------------
    revno: 1.2.1
    committer: Lorem Ipsum <test@example.com>
    branch nick: smallerchild
    timestamp: Just now
    message:
      branch 2
------------------------------------------------------------
revno: 1.1.1
committer: Lorem Ipsum <test@example.com>
branch nick: child
timestamp: Just now
message:
  branch 1
""")

    def test_merges_nonsupporting_formatter(self):
        self._prepare()
        err_msg = 'Selected log formatter only supports mainline revisions.'
        # The single revision case is tested in the core tests
        # since all standard formatters support single merge revisions.
        out,err = self.run_bzr('log --short -r1..1.1.2', retcode=3)
        self.assertContainsRe(err, err_msg)
        out,err = self.run_bzr('log --short -r1.1.1..1.1.2', retcode=3)
        self.assertContainsRe(err, err_msg)

 
class TestLogEncodings(TestCaseInTempDir):

    _mu = u'\xb5'
    _message = u'Message with \xb5'

    # Encodings which can encode mu
    good_encodings = [
        'utf-8',
        'latin-1',
        'iso-8859-1',
        'cp437', # Common windows encoding
        'cp1251', # Alexander Belchenko's windows encoding
        'cp1258', # Common windows encoding
    ]
    # Encodings which cannot encode mu
    bad_encodings = [
        'ascii',
        'iso-8859-2',
        'koi8_r',
    ]

    def setUp(self):
        TestCaseInTempDir.setUp(self)
        self.user_encoding = bzrlib.user_encoding

    def tearDown(self):
        bzrlib.user_encoding = self.user_encoding
        TestCaseInTempDir.tearDown(self)

    def create_branch(self):
        bzr = self.run_bzr
        bzr('init')
        open('a', 'wb').write('some stuff\n')
        bzr('add a')
        bzr(['commit', '-m', self._message])

    def try_encoding(self, encoding, fail=False):
        bzr = self.run_bzr
        if fail:
            self.assertRaises(UnicodeEncodeError,
                self._mu.encode, encoding)
            encoded_msg = self._message.encode(encoding, 'replace')
        else:
            encoded_msg = self._message.encode(encoding)

        old_encoding = bzrlib.user_encoding
        # This test requires that 'run_bzr' uses the current
        # bzrlib, because we override user_encoding, and expect
        # it to be used
        try:
            bzrlib.user_encoding = 'ascii'
            # We should be able to handle any encoding
            out, err = bzr('log', encoding=encoding)
            if not fail:
                # Make sure we wrote mu as we expected it to exist
                self.assertNotEqual(-1, out.find(encoded_msg))
                out_unicode = out.decode(encoding)
                self.assertNotEqual(-1, out_unicode.find(self._message))
            else:
                self.assertNotEqual(-1, out.find('Message with ?'))
        finally:
            bzrlib.user_encoding = old_encoding

    def test_log_handles_encoding(self):
        self.create_branch()

        for encoding in self.good_encodings:
            self.try_encoding(encoding)

    def test_log_handles_bad_encoding(self):
        self.create_branch()

        for encoding in self.bad_encodings:
            self.try_encoding(encoding, fail=True)

    def test_stdout_encoding(self):
        bzr = self.run_bzr
        bzrlib.user_encoding = "cp1251"

        bzr('init')
        self.build_tree(['a'])
        bzr('add a')
        bzr(['commit', '-m', u'\u0422\u0435\u0441\u0442'])
        stdout, stderr = self.run_bzr('log', encoding='cp866')

        message = stdout.splitlines()[-1]

        # explanation of the check:
        # u'\u0422\u0435\u0441\u0442' is word 'Test' in russian
        # in cp866  encoding this is string '\x92\xa5\xe1\xe2'
        # in cp1251 encoding this is string '\xd2\xe5\xf1\xf2'
        # This test should check that output of log command
        # encoded to sys.stdout.encoding
        test_in_cp866 = '\x92\xa5\xe1\xe2'
        test_in_cp1251 = '\xd2\xe5\xf1\xf2'
        # Make sure the log string is encoded in cp866
        self.assertEquals(test_in_cp866, message[2:])
        # Make sure the cp1251 string is not found anywhere
        self.assertEquals(-1, stdout.find(test_in_cp1251))


class TestLogFile(TestCaseWithTransport):

    def test_log_local_branch_file(self):
        """We should be able to log files in local treeless branches"""
        tree = self.make_branch_and_tree('tree')
        self.build_tree(['tree/file'])
        tree.add('file')
        tree.commit('revision 1')
        tree.bzrdir.destroy_workingtree()
        self.run_bzr('log tree/file')

    def test_log_file(self):
        """The log for a particular file should only list revs for that file"""
        tree = self.make_branch_and_tree('parent')
        self.build_tree(['parent/file1', 'parent/file2', 'parent/file3'])
        tree.add('file1')
        tree.commit('add file1')
        tree.add('file2')
        tree.commit('add file2')
        tree.add('file3')
        tree.commit('add file3')
        child_tree = tree.bzrdir.sprout('child').open_workingtree()
        self.build_tree_contents([('child/file2', 'hello')])
        child_tree.commit(message='branch 1')
        tree.merge_from_branch(child_tree.branch)
        tree.commit(message='merge child branch')
        os.chdir('parent')
        log = self.run_bzr('log file1')[0]
        self.assertContainsRe(log, 'revno: 1\n')
        self.assertNotContainsRe(log, 'revno: 2\n')
        self.assertNotContainsRe(log, 'revno: 3\n')
        self.assertNotContainsRe(log, 'revno: 3.1.1\n')
        self.assertNotContainsRe(log, 'revno: 4\n')
        log = self.run_bzr('log file2')[0]
        self.assertNotContainsRe(log, 'revno: 1\n')
        self.assertContainsRe(log, 'revno: 2\n')
        self.assertNotContainsRe(log, 'revno: 3\n')
        self.assertContainsRe(log, 'revno: 3.1.1\n')
        self.assertContainsRe(log, 'revno: 4\n')
        log = self.run_bzr('log file3')[0]
        self.assertNotContainsRe(log, 'revno: 1\n')
        self.assertNotContainsRe(log, 'revno: 2\n')
        self.assertContainsRe(log, 'revno: 3\n')
        self.assertNotContainsRe(log, 'revno: 3.1.1\n')
        self.assertNotContainsRe(log, 'revno: 4\n')
        log = self.run_bzr('log -r3.1.1 file2')[0]
        self.assertNotContainsRe(log, 'revno: 1\n')
        self.assertNotContainsRe(log, 'revno: 2\n')
        self.assertNotContainsRe(log, 'revno: 3\n')
        self.assertContainsRe(log, 'revno: 3.1.1\n')
        self.assertNotContainsRe(log, 'revno: 4\n')
        log = self.run_bzr('log -r4 file2')[0]
        self.assertNotContainsRe(log, 'revno: 1\n')
        self.assertNotContainsRe(log, 'revno: 2\n')
        self.assertNotContainsRe(log, 'revno: 3\n')
        self.assertContainsRe(log, 'revno: 3.1.1\n')
        self.assertContainsRe(log, 'revno: 4\n')
        log = self.run_bzr('log -r3.. file2')[0]
        self.assertNotContainsRe(log, 'revno: 1\n')
        self.assertNotContainsRe(log, 'revno: 2\n')
        self.assertNotContainsRe(log, 'revno: 3\n')
        self.assertContainsRe(log, 'revno: 3.1.1\n')
        self.assertContainsRe(log, 'revno: 4\n')
        log = self.run_bzr('log -r..3 file2')[0]
        self.assertNotContainsRe(log, 'revno: 1\n')
        self.assertContainsRe(log, 'revno: 2\n')
        self.assertNotContainsRe(log, 'revno: 3\n')
        self.assertNotContainsRe(log, 'revno: 3.1.1\n')
        self.assertNotContainsRe(log, 'revno: 4\n')