~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2005, 2006 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

import bzrlib

from bzrlib import (

    errors,

    lockdir,

    osutils,

    tests,

    )

from bzrlib.branch import Branch

from bzrlib.bzrdir import BzrDir, BzrDirMetaFormat1

from bzrlib.commit import Commit, NullCommitReporter

from bzrlib.config import BranchConfig

from bzrlib.errors import (PointlessCommit, BzrError, SigningFailed, 

                           LockContention)

from bzrlib.tests import TestCaseWithTransport

from bzrlib.workingtree import WorkingTree

# TODO: Test commit with some added, and added-but-missing files

class MustSignConfig(BranchConfig):

    def signature_needed(self):

        return True

    def gpg_signing_command(self):

        return ['cat', '-']

class BranchWithHooks(BranchConfig):

    def post_commit(self):

        return "bzrlib.ahook bzrlib.ahook"

class CapturingReporter(NullCommitReporter):

    """This reporter captures the calls made to it for evaluation later."""

    def __init__(self):

        # a list of the calls this received

        self.calls = []

    def snapshot_change(self, change, path):

        self.calls.append(('change', change, path))

    def deleted(self, file_id):

        self.calls.append(('deleted', file_id))

    def missing(self, path):

        self.calls.append(('missing', path))

    def renamed(self, change, old_path, new_path):

        self.calls.append(('renamed', change, old_path, new_path))

class TestCommit(TestCaseWithTransport):

    def test_simple_commit(self):

        """Commit and check two versions of a single file."""

        wt = self.make_branch_and_tree('.')

        b = wt.branch

        file('hello', 'w').write('hello world')

        wt.add('hello')

        wt.commit(message='add hello')

        file_id = wt.path2id('hello')

        file('hello', 'w').write('version 2')

        wt.commit(message='commit 2')

        eq = self.assertEquals

        eq(b.revno(), 2)

        rh = b.revision_history()

        rev = b.repository.get_revision(rh[0])

        eq(rev.message, 'add hello')

        tree1 = b.repository.revision_tree(rh[0])

        text = tree1.get_file_text(file_id)

        eq(text, 'hello world')

        tree2 = b.repository.revision_tree(rh[1])

        eq(tree2.get_file_text(file_id), 'version 2')

    def test_delete_commit(self):

        """Test a commit with a deleted file"""

        wt = self.make_branch_and_tree('.')

        b = wt.branch

        file('hello', 'w').write('hello world')

        wt.add(['hello'], ['hello-id'])

        wt.commit(message='add hello')

        os.remove('hello')

        wt.commit('removed hello', rev_id='rev2')

        tree = b.repository.revision_tree('rev2')

        self.assertFalse(tree.has_id('hello-id'))

    def test_pointless_commit(self):

        """Commit refuses unless there are changes or it's forced."""

        wt = self.make_branch_and_tree('.')

        b = wt.branch

        file('hello', 'w').write('hello')

        wt.add(['hello'])

        wt.commit(message='add hello')

        self.assertEquals(b.revno(), 1)

        self.assertRaises(PointlessCommit,

                          wt.commit,

                          message='fails',

                          allow_pointless=False)

        self.assertEquals(b.revno(), 1)

    def test_commit_empty(self):

        """Commiting an empty tree works."""

        wt = self.make_branch_and_tree('.')

        b = wt.branch

        wt.commit(message='empty tree', allow_pointless=True)

        self.assertRaises(PointlessCommit,

                          wt.commit,

                          message='empty tree',

                          allow_pointless=False)

        wt.commit(message='empty tree', allow_pointless=True)

        self.assertEquals(b.revno(), 2)

    def test_selective_delete(self):

        """Selective commit in tree with deletions"""

        wt = self.make_branch_and_tree('.')

        b = wt.branch

        file('hello', 'w').write('hello')

        file('buongia', 'w').write('buongia')

        wt.add(['hello', 'buongia'],

              ['hello-id', 'buongia-id'])

        wt.commit(message='add files',

                 rev_id='test@rev-1')

        os.remove('hello')

        file('buongia', 'w').write('new text')

        wt.commit(message='update text',

                 specific_files=['buongia'],

                 allow_pointless=False,

                 rev_id='test@rev-2')

        wt.commit(message='remove hello',

                 specific_files=['hello'],

                 allow_pointless=False,

                 rev_id='test@rev-3')

        eq = self.assertEquals

        eq(b.revno(), 3)

        tree2 = b.repository.revision_tree('test@rev-2')

        self.assertTrue(tree2.has_filename('hello'))

        self.assertEquals(tree2.get_file_text('hello-id'), 'hello')

        self.assertEquals(tree2.get_file_text('buongia-id'), 'new text')

        tree3 = b.repository.revision_tree('test@rev-3')

        self.assertFalse(tree3.has_filename('hello'))

        self.assertEquals(tree3.get_file_text('buongia-id'), 'new text')

    def test_commit_rename(self):

        """Test commit of a revision where a file is renamed."""

        tree = self.make_branch_and_tree('.')

        b = tree.branch

        self.build_tree(['hello'], line_endings='binary')

        tree.add(['hello'], ['hello-id'])

        tree.commit(message='one', rev_id='test@rev-1', allow_pointless=False)

        tree.rename_one('hello', 'fruity')

        tree.commit(message='renamed', rev_id='test@rev-2', allow_pointless=False)

        eq = self.assertEquals

        tree1 = b.repository.revision_tree('test@rev-1')

        eq(tree1.id2path('hello-id'), 'hello')

        eq(tree1.get_file_text('hello-id'), 'contents of hello\n')

        self.assertFalse(tree1.has_filename('fruity'))

        self.check_inventory_shape(tree1.inventory, ['hello'])

        ie = tree1.inventory['hello-id']

        eq(ie.revision, 'test@rev-1')

        tree2 = b.repository.revision_tree('test@rev-2')

        eq(tree2.id2path('hello-id'), 'fruity')

        eq(tree2.get_file_text('hello-id'), 'contents of hello\n')

        self.check_inventory_shape(tree2.inventory, ['fruity'])

        ie = tree2.inventory['hello-id']

        eq(ie.revision, 'test@rev-2')

    def test_reused_rev_id(self):

        """Test that a revision id cannot be reused in a branch"""

        wt = self.make_branch_and_tree('.')

        b = wt.branch

        wt.commit('initial', rev_id='test@rev-1', allow_pointless=True)

        self.assertRaises(Exception,

                          wt.commit,

                          message='reused id',

                          rev_id='test@rev-1',

                          allow_pointless=True)

    def test_commit_move(self):

        """Test commit of revisions with moved files and directories"""

        eq = self.assertEquals

        wt = self.make_branch_and_tree('.')

        b = wt.branch

        r1 = 'test@rev-1'

        self.build_tree(['hello', 'a/', 'b/'])

        wt.add(['hello', 'a', 'b'], ['hello-id', 'a-id', 'b-id'])

        wt.commit('initial', rev_id=r1, allow_pointless=False)

        wt.move(['hello'], 'a')

        r2 = 'test@rev-2'

        wt.commit('two', rev_id=r2, allow_pointless=False)

        wt.lock_read()

        try:

            self.check_inventory_shape(wt.read_working_inventory(),

                                       ['a', 'a/hello', 'b'])

        finally:

            wt.unlock()

        wt.move(['b'], 'a')

        r3 = 'test@rev-3'

        wt.commit('three', rev_id=r3, allow_pointless=False)

        wt.lock_read()

        try:

            self.check_inventory_shape(wt.read_working_inventory(),

                                       ['a', 'a/hello', 'a/b'])

            self.check_inventory_shape(b.repository.get_revision_inventory(r3),

                                       ['a', 'a/hello', 'a/b'])

        finally:

            wt.unlock()

        wt.move(['a/hello'], 'a/b')

        r4 = 'test@rev-4'

        wt.commit('four', rev_id=r4, allow_pointless=False)

        wt.lock_read()

        try:

            self.check_inventory_shape(wt.read_working_inventory(),

                                       ['a', 'a/b/hello', 'a/b'])

        finally:

            wt.unlock()

        inv = b.repository.get_revision_inventory(r4)

        eq(inv['hello-id'].revision, r4)

        eq(inv['a-id'].revision, r1)

        eq(inv['b-id'].revision, r3)

    def test_removed_commit(self):

        """Commit with a removed file"""

        wt = self.make_branch_and_tree('.')

        b = wt.branch

        file('hello', 'w').write('hello world')

        wt.add(['hello'], ['hello-id'])

        wt.commit(message='add hello')

        wt.remove('hello')

        wt.commit('removed hello', rev_id='rev2')

        tree = b.repository.revision_tree('rev2')

        self.assertFalse(tree.has_id('hello-id'))

    def test_committed_ancestry(self):

        """Test commit appends revisions to ancestry."""

        wt = self.make_branch_and_tree('.')

        b = wt.branch

        rev_ids = []

        for i in range(4):

            file('hello', 'w').write((str(i) * 4) + '\n')

            if i == 0:

                wt.add(['hello'], ['hello-id'])

            rev_id = 'test@rev-%d' % (i+1)

            rev_ids.append(rev_id)

            wt.commit(message='rev %d' % (i+1),

                     rev_id=rev_id)

        eq = self.assertEquals

        eq(b.revision_history(), rev_ids)

        for i in range(4):

            anc = b.repository.get_ancestry(rev_ids[i])

            eq(anc, [None] + rev_ids[:i+1])

    def test_commit_new_subdir_child_selective(self):

        wt = self.make_branch_and_tree('.')

        b = wt.branch

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

        wt.add(['dir', 'dir/file1', 'dir/file2'],

              ['dirid', 'file1id', 'file2id'])

        wt.commit('dir/file1', specific_files=['dir/file1'], rev_id='1')

        inv = b.repository.get_inventory('1')

        self.assertEqual('1', inv['dirid'].revision)

        self.assertEqual('1', inv['file1id'].revision)

        # FIXME: This should raise a KeyError I think, rbc20051006

        self.assertRaises(BzrError, inv.__getitem__, 'file2id')

    def test_strict_commit(self):

        """Try and commit with unknown files and strict = True, should fail."""

        from bzrlib.errors import StrictCommitFailed

        wt = self.make_branch_and_tree('.')

        b = wt.branch

        file('hello', 'w').write('hello world')

        wt.add('hello')

        file('goodbye', 'w').write('goodbye cruel world!')

        self.assertRaises(StrictCommitFailed, wt.commit,

            message='add hello but not goodbye', strict=True)

    def test_strict_commit_without_unknowns(self):

        """Try and commit with no unknown files and strict = True,

        should work."""

        from bzrlib.errors import StrictCommitFailed

        wt = self.make_branch_and_tree('.')

        b = wt.branch

        file('hello', 'w').write('hello world')

        wt.add('hello')

        wt.commit(message='add hello', strict=True)

    def test_nonstrict_commit(self):

        """Try and commit with unknown files and strict = False, should work."""

        wt = self.make_branch_and_tree('.')

        b = wt.branch

        file('hello', 'w').write('hello world')

        wt.add('hello')

        file('goodbye', 'w').write('goodbye cruel world!')

        wt.commit(message='add hello but not goodbye', strict=False)

    def test_nonstrict_commit_without_unknowns(self):

        """Try and commit with no unknown files and strict = False,

        should work."""

        wt = self.make_branch_and_tree('.')

        b = wt.branch

        file('hello', 'w').write('hello world')

        wt.add('hello')

        wt.commit(message='add hello', strict=False)

    def test_signed_commit(self):

        import bzrlib.gpg

        import bzrlib.commit as commit

        oldstrategy = bzrlib.gpg.GPGStrategy

        wt = self.make_branch_and_tree('.')

        branch = wt.branch

        wt.commit("base", allow_pointless=True, rev_id='A')

        self.failIf(branch.repository.has_signature_for_revision_id('A'))

        try:

            from bzrlib.testament import Testament

            # monkey patch gpg signing mechanism

            bzrlib.gpg.GPGStrategy = bzrlib.gpg.LoopbackGPGStrategy

            commit.Commit(config=MustSignConfig(branch)).commit(message="base",

                                                      allow_pointless=True,

                                                      rev_id='B',

                                                      working_tree=wt)

            def sign(text):

                return bzrlib.gpg.LoopbackGPGStrategy(None).sign(text)

            self.assertEqual(sign(Testament.from_revision(branch.repository,

                             'B').as_short_text()),

                             branch.repository.get_signature_text('B'))

        finally:

            bzrlib.gpg.GPGStrategy = oldstrategy

    def test_commit_failed_signature(self):

        import bzrlib.gpg

        import bzrlib.commit as commit

        oldstrategy = bzrlib.gpg.GPGStrategy

        wt = self.make_branch_and_tree('.')

        branch = wt.branch

        wt.commit("base", allow_pointless=True, rev_id='A')

        self.failIf(branch.repository.has_signature_for_revision_id('A'))

        try:

            from bzrlib.testament import Testament

            # monkey patch gpg signing mechanism

            bzrlib.gpg.GPGStrategy = bzrlib.gpg.DisabledGPGStrategy

            config = MustSignConfig(branch)

            self.assertRaises(SigningFailed,

                              commit.Commit(config=config).commit,

                              message="base",

                              allow_pointless=True,

                              rev_id='B',

                              working_tree=wt)

            branch = Branch.open(self.get_url('.'))

            self.assertEqual(branch.revision_history(), ['A'])

            self.failIf(branch.repository.has_revision('B'))

        finally:

            bzrlib.gpg.GPGStrategy = oldstrategy

    def test_commit_invokes_hooks(self):

        import bzrlib.commit as commit

        wt = self.make_branch_and_tree('.')

        branch = wt.branch

        calls = []

        def called(branch, rev_id):

            calls.append('called')

        bzrlib.ahook = called

        try:

            config = BranchWithHooks(branch)

            commit.Commit(config=config).commit(

                            message = "base",

                            allow_pointless=True,

                            rev_id='A', working_tree = wt)

            self.assertEqual(['called', 'called'], calls)

        finally:

            del bzrlib.ahook

    def test_commit_object_doesnt_set_nick(self):

        # using the Commit object directly does not set the branch nick.

        wt = self.make_branch_and_tree('.')

        c = Commit()

        c.commit(working_tree=wt, message='empty tree', allow_pointless=True)

        self.assertEquals(wt.branch.revno(), 1)

        self.assertEqual({},

                         wt.branch.repository.get_revision(

                            wt.branch.last_revision()).properties)

    def test_safe_master_lock(self):

        os.mkdir('master')

        master = BzrDirMetaFormat1().initialize('master')

        master.create_repository()

        master_branch = master.create_branch()

        master.create_workingtree()

        bound = master.sprout('bound')

        wt = bound.open_workingtree()

        wt.branch.set_bound_location(os.path.realpath('master'))

        orig_default = lockdir._DEFAULT_TIMEOUT_SECONDS

        master_branch.lock_write()

        try:

            lockdir._DEFAULT_TIMEOUT_SECONDS = 1

            self.assertRaises(LockContention, wt.commit, 'silly')

        finally:

            lockdir._DEFAULT_TIMEOUT_SECONDS = orig_default

            master_branch.unlock()

    def test_commit_bound_merge(self):

        # see bug #43959; commit of a merge in a bound branch fails to push

        # the new commit into the master

        master_branch = self.make_branch('master')

        bound_tree = self.make_branch_and_tree('bound')

        bound_tree.branch.bind(master_branch)

        self.build_tree_contents([('bound/content_file', 'initial contents\n')])

        bound_tree.add(['content_file'])

        bound_tree.commit(message='woo!')

        other_bzrdir = master_branch.bzrdir.sprout('other')

        other_tree = other_bzrdir.open_workingtree()

        # do a commit to the the other branch changing the content file so

        # that our commit after merging will have a merged revision in the

        # content file history.

        self.build_tree_contents([('other/content_file', 'change in other\n')])

        other_tree.commit('change in other')

        # do a merge into the bound branch from other, and then change the

        # content file locally to force a new revision (rather than using the

        # revision from other). This forces extra processing in commit.

        bound_tree.merge_from_branch(other_tree.branch)

        self.build_tree_contents([('bound/content_file', 'change in bound\n')])

        # before #34959 was fixed, this failed with 'revision not present in

        # weave' when trying to implicitly push from the bound branch to the master

        bound_tree.commit(message='commit of merge in bound tree')

    def test_commit_reporting_after_merge(self):

        # when doing a commit of a merge, the reporter needs to still 

        # be called for each item that is added/removed/deleted.

        this_tree = self.make_branch_and_tree('this')

        # we need a bunch of files and dirs, to perform one action on each.

        self.build_tree([

            'this/dirtorename/',

            'this/dirtoreparent/',

            'this/dirtoleave/',

            'this/dirtoremove/',

            'this/filetoreparent',

            'this/filetorename',

            'this/filetomodify',

            'this/filetoremove',

            'this/filetoleave']

            )

        this_tree.add([

            'dirtorename',

            'dirtoreparent',

            'dirtoleave',

            'dirtoremove',

            'filetoreparent',

            'filetorename',

            'filetomodify',

            'filetoremove',

            'filetoleave']

            )

        this_tree.commit('create_files')

        other_dir = this_tree.bzrdir.sprout('other')

        other_tree = other_dir.open_workingtree()

        other_tree.lock_write()

        # perform the needed actions on the files and dirs.

        try:

            other_tree.rename_one('dirtorename', 'renameddir')

            other_tree.rename_one('dirtoreparent', 'renameddir/reparenteddir')

            other_tree.rename_one('filetorename', 'renamedfile')

            other_tree.rename_one('filetoreparent', 'renameddir/reparentedfile')

            other_tree.remove(['dirtoremove', 'filetoremove'])

            self.build_tree_contents([

                ('other/newdir/', ),

                ('other/filetomodify', 'new content'),

                ('other/newfile', 'new file content')])

            other_tree.add('newfile')

            other_tree.add('newdir/')

            other_tree.commit('modify all sample files and dirs.')

        finally:

            other_tree.unlock()

        this_tree.merge_from_branch(other_tree.branch)

        reporter = CapturingReporter()

        this_tree.commit('do the commit', reporter=reporter)

        self.assertEqual([

            ('change', 'unchanged', ''),

            ('change', 'unchanged', 'dirtoleave'),

            ('change', 'unchanged', 'filetoleave'),

            ('change', 'modified', 'filetomodify'),

            ('change', 'added', 'newdir'),

            ('change', 'added', 'newfile'),

            ('renamed', 'renamed', 'dirtorename', 'renameddir'),

            ('renamed', 'renamed', 'dirtoreparent', 'renameddir/reparenteddir'),

            ('renamed', 'renamed', 'filetoreparent', 'renameddir/reparentedfile'),

            ('renamed', 'renamed', 'filetorename', 'renamedfile'),

            ('deleted', 'dirtoremove'),

            ('deleted', 'filetoremove'),

            ],

            reporter.calls)

    def test_commit_removals_respects_filespec(self):

        """Commit respects the specified_files for removals."""

        tree = self.make_branch_and_tree('.')

        self.build_tree(['a', 'b'])

        tree.add(['a', 'b'])

        tree.commit('added a, b')

        tree.remove(['a', 'b'])

        tree.commit('removed a', specific_files='a')

        basis = tree.basis_tree()

        tree.lock_read()

        try:

            self.assertIs(None, basis.path2id('a'))

            self.assertFalse(basis.path2id('b') is None)

        finally:

            tree.unlock()

    def test_commit_saves_1ms_timestamp(self):

        """Passing in a timestamp is saved with 1ms resolution"""

        tree = self.make_branch_and_tree('.')

        self.build_tree(['a'])

        tree.add('a')

        tree.commit('added a', timestamp=1153248633.4186721, timezone=0,

                    rev_id='a1')

        rev = tree.branch.repository.get_revision('a1')

        self.assertEqual(1153248633.419, rev.timestamp)

    def test_commit_has_1ms_resolution(self):

        """Allowing commit to generate the timestamp also has 1ms resolution"""

        tree = self.make_branch_and_tree('.')

        self.build_tree(['a'])

        tree.add('a')

        tree.commit('added a', rev_id='a1')

        rev = tree.branch.repository.get_revision('a1')

        timestamp = rev.timestamp

        timestamp_1ms = round(timestamp, 3)

        self.assertEqual(timestamp_1ms, timestamp)

    def assertBasisTreeKind(self, kind, tree, file_id):

        basis = tree.basis_tree()

        basis.lock_read()

        try:

            self.assertEqual(kind, basis.kind(file_id))

        finally:

            basis.unlock()

    def test_commit_kind_changes(self):

        if not osutils.has_symlinks():

            raise tests.TestSkipped('Test requires symlink support')

        tree = self.make_branch_and_tree('.')

        os.symlink('target', 'name')

        tree.add('name', 'a-file-id')

        tree.commit('Added a symlink')

        self.assertBasisTreeKind('symlink', tree, 'a-file-id')