/brz/remove-bazaar

# Copyright (C) 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, see <http://www.gnu.org/licenses/>.

"""Test the command implementations."""

from __future__ import absolute_import

import os

import re

import tempfile

import gzip

from .... import tests

from ....tests import features

from ....tests.blackbox import ExternalBase

from ..cmds import (

    _get_source_stream,

    )

from . import (

    FastimportFeature,

    )

class TestSourceStream(tests.TestCase):

    _test_needs_features = [FastimportFeature]

    def test_get_source_stream_stdin(self):

        # - returns standard in

        self.assertIsNot(None, _get_source_stream("-"))

    def test_get_source_gz(self):

        # files ending in .gz are automatically decompressed.

        fd, filename = tempfile.mkstemp(suffix=".gz")

        with gzip.GzipFile(fileobj=os.fdopen(fd, "wb"), mode='wb') as f:

            f.write(b"bla")

        stream = _get_source_stream(filename)

        self.assertIsNot("bla", stream.read())

    def test_get_source_file(self):

        # other files are opened as regular files.

        fd, filename = tempfile.mkstemp()

        with os.fdopen(fd, 'wb') as f:

            f.write(b"bla")

        stream = _get_source_stream(filename)

        self.assertIsNot(b"bla", stream.read())

fast_export_baseline_data1 = """reset refs/heads/master

commit refs/heads/master

mark :1

committer

data 15

add c, remove b

M 644 inline a

data 13

test 1

test 3

M 644 inline c

data 6

test 4

commit refs/heads/master

mark :2

committer

data 14

modify a again

from :1

M 644 inline a

data 20

test 1

test 3

test 5

commit refs/heads/master

mark :3

committer

data 5

add d

from :2

M 644 inline d

data 6

test 6

"""

fast_export_baseline_data2 = """reset refs/heads/master

commit refs/heads/master

mark :1

committer

data 15

add c, remove b

M 644 inline c

data 6

test 4

M 644 inline a

data 13

test 1

test 3

commit refs/heads/master

mark :2

committer

data 14

modify a again

from :1

M 644 inline a

data 20

test 1

test 3

test 5

commit refs/heads/master

mark :3

committer

data 5

add d

from :2

M 644 inline d

data 6

test 6

"""

class TestFastExport(ExternalBase):

    _test_needs_features = [FastimportFeature]

    def test_empty(self):

        self.make_branch_and_tree("br")

        self.assertEquals("", self.run_bzr("fast-export br")[0])

    def test_pointless(self):

        tree = self.make_branch_and_tree("br")

        tree.commit("pointless")

        data = self.run_bzr("fast-export br")[0]

        self.assertTrue(data.startswith(

            'reset refs/heads/master\n'

            'commit refs/heads/master\n'

            'mark :1\ncommitter'), data)

    def test_file(self):

        tree = self.make_branch_and_tree("br")

        tree.commit("pointless")

        data = self.run_bzr("fast-export br br.fi")[0]

        self.assertEquals("", data)

        self.assertPathExists("br.fi")

    def test_symlink(self):

        tree = self.make_branch_and_tree("br")

        self.requireFeature(features.SymlinkFeature)

        os.symlink('symlink-target', 'br/symlink')

        tree.add('symlink')

        tree.commit("add a symlink")

        data = self.run_bzr("fast-export br br.fi")[0]

        self.assertEquals("", data)

        self.assertPathExists("br.fi")

    def test_tag_rewriting(self):

        tree = self.make_branch_and_tree("br")

        tree.commit("pointless")

        self.assertTrue(tree.branch.supports_tags())

        rev_id = tree.branch.dotted_revno_to_revision_id((1,))

        tree.branch.tags.set_tag("goodTag", rev_id)

        tree.branch.tags.set_tag("bad Tag", rev_id)

        # first check --no-rewrite-tag-names

        data = self.run_bzr("fast-export --plain --no-rewrite-tag-names br")[0]

        self.assertNotEqual(-1, data.find("reset refs/tags/goodTag"))

        self.assertEqual(data.find("reset refs/tags/"),

                         data.rfind("reset refs/tags/"))

        # and now with --rewrite-tag-names

        data = self.run_bzr("fast-export --plain --rewrite-tag-names br")[0]

        self.assertNotEqual(-1, data.find("reset refs/tags/goodTag"))

        # "bad Tag" should be exported as bad_Tag

        self.assertNotEqual(-1, data.find("reset refs/tags/bad_Tag"))

    def test_no_tags(self):

        tree = self.make_branch_and_tree("br")

        tree.commit("pointless")

        self.assertTrue(tree.branch.supports_tags())

        rev_id = tree.branch.dotted_revno_to_revision_id((1,))

        tree.branch.tags.set_tag("someTag", rev_id)

        data = self.run_bzr("fast-export --plain --no-tags br")[0]

        self.assertEqual(-1, data.find("reset refs/tags/someTag"))

    def test_baseline_option(self):

        tree = self.make_branch_and_tree("bl")

        # Revision 1

        with open('bl/a', 'w') as f:

            f.write('test 1')

        tree.add('a')

        tree.commit(message='add a')

        # Revision 2

        with open('bl/b', 'w') as f:

            f.write('test 2')

        with open('bl/a', 'a') as f:

            f.write('\ntest 3')

        tree.add('b')

        tree.commit(message='add b, modify a')

        # Revision 3

        with open('bl/c', 'w') as f:

            f.write('test 4')

        tree.add('c')

        tree.remove('b')

        tree.commit(message='add c, remove b')

        # Revision 4

        with open('bl/a', 'a') as f:

            f.write('\ntest 5')

        tree.commit(message='modify a again')

        # Revision 5

        with open('bl/d', 'w') as f:

            f.write('test 6')

        tree.add('d')

        tree.commit(message='add d')

        # This exports the baseline state at Revision 3,

        # followed by the deltas for 4 and 5

        data = self.run_bzr("fast-export --baseline -r 3.. bl")[0]

        data = re.sub('committer.*', 'committer', data)

        self.assertIn(data, (fast_export_baseline_data1, fast_export_baseline_data2))

        # Also confirm that --baseline with no args is identical to full export

        data1 = self.run_bzr("fast-export --baseline bl")[0]

        data2 = self.run_bzr("fast-export bl")[0]

        self.assertEquals(data1, data2)

simple_fast_import_stream = b"""commit refs/heads/master

mark :1

committer Jelmer Vernooij <jelmer@samba.org> 1299718135 +0100

data 7

initial

"""

class TestFastImport(ExternalBase):

    _test_needs_features = [FastimportFeature]

    def test_empty(self):

        self.build_tree_contents([('empty.fi', b"")])

        self.make_branch_and_tree("br")

        self.assertEquals("", self.run_bzr("fast-import empty.fi br")[0])

    def test_file(self):

        tree = self.make_branch_and_tree("br")

        self.build_tree_contents([('file.fi', simple_fast_import_stream)])

        data = self.run_bzr("fast-import file.fi br")[0]

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

    def test_missing_bytes(self):

        self.build_tree_contents([('empty.fi', b"""

commit refs/heads/master

mark :1

committer

data 15

""")])

        self.make_branch_and_tree("br")

        self.run_bzr_error(

            ['brz: ERROR: 4: Parse error: line 4: Command .*commit.* is missing section .*committer.*\n'], "fast-import empty.fi br")