~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2005, 2006, 2007 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

import os

from cStringIO import StringIO

from bzrlib import log, registry

from bzrlib.tests import TestCase, TestCaseWithTransport

from bzrlib.log import (show_log,

                        get_view_revisions,

                        LogRevision,

                        LogFormatter,

                        LongLogFormatter,

                        ShortLogFormatter,

                        LineLogFormatter)

from bzrlib.branch import Branch

from bzrlib.errors import (

    BzrCommandError,

    InvalidRevisionNumber,

    )

from bzrlib.revision import Revision

from bzrlib.revisionspec import (

    RevisionInfo,

    RevisionSpec,

    )

class TestCaseWithoutPropsHandler(TestCaseWithTransport):

    def setUp(self):

        super(TestCaseWithoutPropsHandler, self).setUp()

        # keep a reference to the "current" custom prop. handler registry

        self.properties_handler_registry = \

            log.properties_handler_registry

        # clean up the registry in log

        log.properties_handler_registry = registry.Registry()

    def _cleanup(self):

        super(TestCaseWithoutPropsHandler, self)._cleanup()

        # restore the custom properties handler registry

        log.properties_handler_registry = \

            self.properties_handler_registry

class LogCatcher(LogFormatter):

    """Pull log messages into list rather than displaying them.

    For ease of testing we save log messages here rather than actually

    formatting them, so that we can precisely check the result without

    being too dependent on the exact formatting.

    We should also test the LogFormatter.

    """

    supports_delta = True

    def __init__(self):

        super(LogCatcher, self).__init__(to_file=None)

        self.logs = []

    def log_revision(self, revision):

        self.logs.append(revision)

class TestShowLog(TestCaseWithTransport):

    def checkDelta(self, delta, **kw):

        """Check the filenames touched by a delta are as expected."""

        for n in 'added', 'removed', 'renamed', 'modified', 'unchanged':

            expected = kw.get(n, [])

            # strip out only the path components

            got = [x[0] for x in getattr(delta, n)]

            self.assertEquals(expected, got)

    def test_cur_revno(self):

        wt = self.make_branch_and_tree('.')

        b = wt.branch

        lf = LogCatcher()

        wt.commit('empty commit')

        show_log(b, lf, verbose=True, start_revision=1, end_revision=1)

        self.assertRaises(InvalidRevisionNumber, show_log, b, lf,

                          start_revision=2, end_revision=1) 

        self.assertRaises(InvalidRevisionNumber, show_log, b, lf,

                          start_revision=1, end_revision=2) 

        self.assertRaises(InvalidRevisionNumber, show_log, b, lf,

                          start_revision=0, end_revision=2) 

        self.assertRaises(InvalidRevisionNumber, show_log, b, lf,

                          start_revision=1, end_revision=0) 

        self.assertRaises(InvalidRevisionNumber, show_log, b, lf,

                          start_revision=-1, end_revision=1) 

        self.assertRaises(InvalidRevisionNumber, show_log, b, lf,

                          start_revision=1, end_revision=-1) 

    def test_simple_log(self):

        eq = self.assertEquals

        wt = self.make_branch_and_tree('.')

        b = wt.branch

        lf = LogCatcher()

        show_log(b, lf)

        # no entries yet

        eq(lf.logs, [])

        wt.commit('empty commit')

        lf = LogCatcher()

        show_log(b, lf, verbose=True)

        eq(len(lf.logs), 1)

        eq(lf.logs[0].revno, '1')

        eq(lf.logs[0].rev.message, 'empty commit')

        d = lf.logs[0].delta

        self.log('log delta: %r' % d)

        self.checkDelta(d)

        self.build_tree(['hello'])

        wt.add('hello')

        wt.commit('add one file',

                  committer=u'\u013d\xf3r\xe9m \xcdp\u0161\xfam '

                            u'<test@example.com>')

        lf = self.make_utf8_encoded_stringio()

        # log using regular thing

        show_log(b, LongLogFormatter(lf))

        lf.seek(0)

        for l in lf.readlines():

            self.log(l)

        # get log as data structure

        lf = LogCatcher()

        show_log(b, lf, verbose=True)

        eq(len(lf.logs), 2)

        self.log('log entries:')

        for logentry in lf.logs:

            self.log('%4s %s' % (logentry.revno, logentry.rev.message))

        # first one is most recent

        logentry = lf.logs[0]

        eq(logentry.revno, '2')

        eq(logentry.rev.message, 'add one file')

        d = logentry.delta

        self.log('log 2 delta: %r' % d)

        self.checkDelta(d, added=['hello'])

        # commit a log message with control characters

        msg = "All 8-bit chars: " +  ''.join([unichr(x) for x in range(256)])

        self.log("original commit message: %r", msg)

        wt.commit(msg)

        lf = LogCatcher()

        show_log(b, lf, verbose=True)

        committed_msg = lf.logs[0].rev.message

        self.log("escaped commit message: %r", committed_msg)

        self.assert_(msg != committed_msg)

        self.assert_(len(committed_msg) > len(msg))

        # Check that log message with only XML-valid characters isn't

        # escaped.  As ElementTree apparently does some kind of

        # newline conversion, neither LF (\x0A) nor CR (\x0D) are

        # included in the test commit message, even though they are

        # valid XML 1.0 characters.

        msg = "\x09" + ''.join([unichr(x) for x in range(0x20, 256)])

        self.log("original commit message: %r", msg)

        wt.commit(msg)

        lf = LogCatcher()

        show_log(b, lf, verbose=True)

        committed_msg = lf.logs[0].rev.message

        self.log("escaped commit message: %r", committed_msg)

        self.assert_(msg == committed_msg)

    def test_deltas_in_merge_revisions(self):

        """Check deltas created for both mainline and merge revisions"""

        eq = self.assertEquals

        wt = self.make_branch_and_tree('parent')

        self.build_tree(['parent/file1', 'parent/file2', 'parent/file3'])

        wt.add('file1')

        wt.add('file2')

        wt.commit(message='add file1 and file2')

        self.run_bzr('branch parent child')

        os.unlink('child/file1')

        file('child/file2', 'wb').write('hello\n')

        self.run_bzr(['commit', '-m', 'remove file1 and modify file2',

            'child'])

        os.chdir('parent')

        self.run_bzr('merge ../child')

        wt.commit('merge child branch')

        os.chdir('..')

        b = wt.branch

        lf = LogCatcher()

        lf.supports_merge_revisions = True

        show_log(b, lf, verbose=True)

        eq(len(lf.logs),3)

        logentry = lf.logs[0]

        eq(logentry.revno, '2')

        eq(logentry.rev.message, 'merge child branch')

        d = logentry.delta

        self.checkDelta(d, removed=['file1'], modified=['file2'])

        logentry = lf.logs[1]

        eq(logentry.revno, '1.1.1')

        eq(logentry.rev.message, 'remove file1 and modify file2')

        d = logentry.delta

        self.checkDelta(d, removed=['file1'], modified=['file2'])

        logentry = lf.logs[2]

        eq(logentry.revno, '1')

        eq(logentry.rev.message, 'add file1 and file2')

        d = logentry.delta

        self.checkDelta(d, added=['file1', 'file2'])

    def test_merges_nonsupporting_formatter(self):

        """Tests that show_log will raise if the formatter doesn't

        support merge revisions."""

        wt = self.make_branch_and_memory_tree('.')

        wt.lock_write()

        try:

            wt.add('')

            wt.commit('rev-1', rev_id='rev-1',

                      timestamp=1132586655, timezone=36000,

                      committer='Joe Foo <joe@foo.com>')

            wt.commit('rev-merged', rev_id='rev-2a',

                      timestamp=1132586700, timezone=36000,

                      committer='Joe Foo <joe@foo.com>')

            wt.set_parent_ids(['rev-1', 'rev-2a'])

            wt.branch.set_last_revision_info(1, 'rev-1')

            wt.commit('rev-2', rev_id='rev-2b',

                      timestamp=1132586800, timezone=36000,

                      committer='Joe Foo <joe@foo.com>')

            logfile = self.make_utf8_encoded_stringio()

            formatter = ShortLogFormatter(to_file=logfile)

            wtb = wt.branch

            lf = LogCatcher()

            revspec = RevisionSpec.from_string('1.1.1')

            rev = revspec.in_history(wtb)

            self.assertRaises(BzrCommandError, show_log, wtb, lf,

                              start_revision=rev, end_revision=rev)

        finally:

            wt.unlock()

def make_commits_with_trailing_newlines(wt):

    """Helper method for LogFormatter tests"""    

    b = wt.branch

    b.nick='test'

    open('a', 'wb').write('hello moto\n')

    wt.add('a')

    wt.commit('simple log message', rev_id='a1',

              timestamp=1132586655.459960938, timezone=-6*3600,

              committer='Joe Foo <joe@foo.com>')

    open('b', 'wb').write('goodbye\n')

    wt.add('b')

    wt.commit('multiline\nlog\nmessage\n', rev_id='a2',

              timestamp=1132586842.411175966, timezone=-6*3600,

              committer='Joe Foo <joe@foo.com>',

              author='Joe Bar <joe@bar.com>')

    open('c', 'wb').write('just another manic monday\n')

    wt.add('c')

    wt.commit('single line with trailing newline\n', rev_id='a3',

              timestamp=1132587176.835228920, timezone=-6*3600,

              committer = 'Joe Foo <joe@foo.com>')

    return b

def normalize_log(log):

    """Replaces the variable lines of logs with fixed lines"""

    author = 'author: Dolor Sit <test@example.com>'

    committer = 'committer: Lorem Ipsum <test@example.com>'

    lines = log.splitlines(True)

    for idx,line in enumerate(lines):

        stripped_line = line.lstrip()

        indent = ' ' * (len(line) - len(stripped_line))

        if stripped_line.startswith('author:'):

            lines[idx] = indent + author + '\n'

        elif stripped_line.startswith('committer:'):

            lines[idx] = indent + committer + '\n'

        elif stripped_line.startswith('timestamp:'):

            lines[idx] = indent + 'timestamp: Just now\n'

    return ''.join(lines)

class TestShortLogFormatter(TestCaseWithTransport):

    def test_trailing_newlines(self):

        wt = self.make_branch_and_tree('.')

        b = make_commits_with_trailing_newlines(wt)

        sio = self.make_utf8_encoded_stringio()

        lf = ShortLogFormatter(to_file=sio)

        show_log(b, lf)

        self.assertEqualDiff(sio.getvalue(), """\

    3 Joe Foo\t2005-11-21

      single line with trailing newline

    2 Joe Bar\t2005-11-21

      multiline

      log

      message

    1 Joe Foo\t2005-11-21

      simple log message

""")

    def test_short_log_with_merges(self):

        wt = self.make_branch_and_memory_tree('.')

        wt.lock_write()

        try:

            wt.add('')

            wt.commit('rev-1', rev_id='rev-1',

                      timestamp=1132586655, timezone=36000,

                      committer='Joe Foo <joe@foo.com>')

            wt.commit('rev-merged', rev_id='rev-2a',

                      timestamp=1132586700, timezone=36000,

                      committer='Joe Foo <joe@foo.com>')

            wt.set_parent_ids(['rev-1', 'rev-2a'])

            wt.branch.set_last_revision_info(1, 'rev-1')

            wt.commit('rev-2', rev_id='rev-2b',

                      timestamp=1132586800, timezone=36000,

                      committer='Joe Foo <joe@foo.com>')

            logfile = self.make_utf8_encoded_stringio()

            formatter = ShortLogFormatter(to_file=logfile)

            show_log(wt.branch, formatter)

            self.assertEqualDiff(logfile.getvalue(), """\

    2 Joe Foo\t2005-11-22 [merge]

      rev-2

    1 Joe Foo\t2005-11-22

      rev-1

""")

        finally:

            wt.unlock()

    def test_short_log_single_merge_revision(self):

        wt = self.make_branch_and_memory_tree('.')

        wt.lock_write()

        try:

            wt.add('')

            wt.commit('rev-1', rev_id='rev-1',

                      timestamp=1132586655, timezone=36000,

                      committer='Joe Foo <joe@foo.com>')

            wt.commit('rev-merged', rev_id='rev-2a',

                      timestamp=1132586700, timezone=36000,

                      committer='Joe Foo <joe@foo.com>')

            wt.set_parent_ids(['rev-1', 'rev-2a'])

            wt.branch.set_last_revision_info(1, 'rev-1')

            wt.commit('rev-2', rev_id='rev-2b',

                      timestamp=1132586800, timezone=36000,

                      committer='Joe Foo <joe@foo.com>')

            logfile = self.make_utf8_encoded_stringio()

            formatter = ShortLogFormatter(to_file=logfile)

            revspec = RevisionSpec.from_string('1.1.1')

            wtb = wt.branch

            rev = revspec.in_history(wtb)

            show_log(wtb, formatter, start_revision=rev, end_revision=rev)

            self.assertEqualDiff(logfile.getvalue(), """\

1.1.1 Joe Foo\t2005-11-22

      rev-merged

""")

        finally:

            wt.unlock()

class TestLongLogFormatter(TestCaseWithoutPropsHandler):

    def test_verbose_log(self):

        """Verbose log includes changed files

        bug #4676

        """

        wt = self.make_branch_and_tree('.')

        b = wt.branch

        self.build_tree(['a'])

        wt.add('a')

        # XXX: why does a longer nick show up?

        b.nick = 'test_verbose_log'

        wt.commit(message='add a', 

                  timestamp=1132711707, 

                  timezone=36000,

                  committer='Lorem Ipsum <test@example.com>')

        logfile = file('out.tmp', 'w+')

        formatter = LongLogFormatter(to_file=logfile)

        show_log(b, formatter, verbose=True)

        logfile.flush()

        logfile.seek(0)

        log_contents = logfile.read()

        self.assertEqualDiff(log_contents, '''\

------------------------------------------------------------

revno: 1

committer: Lorem Ipsum <test@example.com>

branch nick: test_verbose_log

timestamp: Wed 2005-11-23 12:08:27 +1000

message:

  add a

added:

  a

''')

    def test_merges_are_indented_by_level(self):

        wt = self.make_branch_and_tree('parent')

        wt.commit('first post')

        self.run_bzr('branch parent child')

        self.run_bzr(['commit', '-m', 'branch 1', '--unchanged', 'child'])

        self.run_bzr('branch child smallerchild')

        self.run_bzr(['commit', '-m', 'branch 2', '--unchanged',

            'smallerchild'])

        os.chdir('child')

        self.run_bzr('merge ../smallerchild')

        self.run_bzr(['commit', '-m', 'merge branch 2'])

        os.chdir('../parent')

        self.run_bzr('merge ../child')

        wt.commit('merge branch 1')

        b = wt.branch

        sio = self.make_utf8_encoded_stringio()

        lf = LongLogFormatter(to_file=sio)

        show_log(b, lf, verbose=True)

        log = normalize_log(sio.getvalue())

        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_verbose_merge_revisions_contain_deltas(self):

        wt = self.make_branch_and_tree('parent')

        self.build_tree(['parent/f1', 'parent/f2'])

        wt.add(['f1','f2'])

        wt.commit('first post')

        self.run_bzr('branch parent child')

        os.unlink('child/f1')

        file('child/f2', 'wb').write('hello\n')

        self.run_bzr(['commit', '-m', 'removed f1 and modified f2',

            'child'])

        os.chdir('parent')

        self.run_bzr('merge ../child')

        wt.commit('merge branch 1')

        b = wt.branch

        sio = self.make_utf8_encoded_stringio()

        lf = LongLogFormatter(to_file=sio)

        show_log(b, lf, verbose=True)

        log = normalize_log(sio.getvalue())

        self.assertEqualDiff(log, """\

------------------------------------------------------------

revno: 2

committer: Lorem Ipsum <test@example.com>

branch nick: parent

timestamp: Just now

message:

  merge branch 1

removed:

  f1

modified:

  f2

    ------------------------------------------------------------

    revno: 1.1.1

    committer: Lorem Ipsum <test@example.com>

    branch nick: child

    timestamp: Just now

    message:

      removed f1 and modified f2

    removed:

      f1

    modified:

      f2

------------------------------------------------------------

revno: 1

committer: Lorem Ipsum <test@example.com>

branch nick: parent

timestamp: Just now

message:

  first post

added:

  f1

  f2

""")

    def test_trailing_newlines(self):

        wt = self.make_branch_and_tree('.')

        b = make_commits_with_trailing_newlines(wt)

        sio = self.make_utf8_encoded_stringio()

        lf = LongLogFormatter(to_file=sio)

        show_log(b, lf)

        self.assertEqualDiff(sio.getvalue(), """\

------------------------------------------------------------

revno: 3

committer: Joe Foo <joe@foo.com>

branch nick: test

timestamp: Mon 2005-11-21 09:32:56 -0600

message:

  single line with trailing newline

------------------------------------------------------------

revno: 2

author: Joe Bar <joe@bar.com>

committer: Joe Foo <joe@foo.com>

branch nick: test

timestamp: Mon 2005-11-21 09:27:22 -0600

message:

  multiline

  log

  message

------------------------------------------------------------

revno: 1

committer: Joe Foo <joe@foo.com>

branch nick: test

timestamp: Mon 2005-11-21 09:24:15 -0600

message:

  simple log message

""")

    def test_author_in_log(self):

        """Log includes the author name if it's set in

        the revision properties

        """

        wt = self.make_branch_and_tree('.')

        b = wt.branch

        self.build_tree(['a'])

        wt.add('a')

        b.nick = 'test_author_log'

        wt.commit(message='add a',

                  timestamp=1132711707,

                  timezone=36000,

                  committer='Lorem Ipsum <test@example.com>',

                  author='John Doe <jdoe@example.com>')

        sio = StringIO()

        formatter = LongLogFormatter(to_file=sio)

        show_log(b, formatter)

        self.assertEqualDiff(sio.getvalue(), '''\

------------------------------------------------------------

revno: 1

author: John Doe <jdoe@example.com>

committer: Lorem Ipsum <test@example.com>

branch nick: test_author_log

timestamp: Wed 2005-11-23 12:08:27 +1000

message:

  add a

''')

    def test_properties_in_log(self):

        """Log includes the custom properties returned by the registered 

        handlers.

        """

        wt = self.make_branch_and_tree('.')

        b = wt.branch

        self.build_tree(['a'])

        wt.add('a')

        b.nick = 'test_properties_in_log'

        wt.commit(message='add a',

                  timestamp=1132711707,

                  timezone=36000,

                  committer='Lorem Ipsum <test@example.com>',

                  author='John Doe <jdoe@example.com>')

        sio = StringIO()

        formatter = LongLogFormatter(to_file=sio)

        try:

            def trivial_custom_prop_handler(revision):

                return {'test_prop':'test_value'}

            log.properties_handler_registry.register(

                'trivial_custom_prop_handler', 

                trivial_custom_prop_handler)

            show_log(b, formatter)

        finally:

            log.properties_handler_registry.remove(

                'trivial_custom_prop_handler')

            self.assertEqualDiff(sio.getvalue(), '''\

------------------------------------------------------------

revno: 1

test_prop: test_value

author: John Doe <jdoe@example.com>

committer: Lorem Ipsum <test@example.com>

branch nick: test_properties_in_log

timestamp: Wed 2005-11-23 12:08:27 +1000

message:

  add a

''')

    def test_error_in_properties_handler(self):

        """Log includes the custom properties returned by the registered 

        handlers.

        """

        wt = self.make_branch_and_tree('.')

        b = wt.branch

        self.build_tree(['a'])

        wt.add('a')

        b.nick = 'test_author_log'

        wt.commit(message='add a',

                  timestamp=1132711707,

                  timezone=36000,

                  committer='Lorem Ipsum <test@example.com>',

                  author='John Doe <jdoe@example.com>',

                  revprops={'first_prop':'first_value'})

        sio = StringIO()

        formatter = LongLogFormatter(to_file=sio)

        try:

            def trivial_custom_prop_handler(revision):

                raise StandardError("a test error")

            log.properties_handler_registry.register(

                'trivial_custom_prop_handler', 

                trivial_custom_prop_handler)

            self.assertRaises(StandardError, show_log, b, formatter,)

        finally:

            log.properties_handler_registry.remove(

                'trivial_custom_prop_handler')

    def test_properties_handler_bad_argument(self):

        wt = self.make_branch_and_tree('.')

        b = wt.branch

        self.build_tree(['a'])

        wt.add('a')

        b.nick = 'test_author_log'

        wt.commit(message='add a',

                  timestamp=1132711707,

                  timezone=36000,

                  committer='Lorem Ipsum <test@example.com>',

                  author='John Doe <jdoe@example.com>',

                  revprops={'a_prop':'test_value'})

        sio = StringIO()

        formatter = LongLogFormatter(to_file=sio)

        try:

            def bad_argument_prop_handler(revision):

                return {'custom_prop_name':revision.properties['a_prop']}

            log.properties_handler_registry.register(

                'bad_argument_prop_handler', 

                bad_argument_prop_handler)

            self.assertRaises(AttributeError, formatter.show_properties, 

                'a revision', '')