/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."""

import os

import re

import tempfile

import gzip

from bzrlib import tests

from bzrlib.tests.blackbox import ExternalBase

from bzrlib.plugins.fastimport.cmds import (

    _get_source_stream,

    )

from bzrlib.plugins.fastimport.tests 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")

        f = gzip.GzipFile(fileobj=os.fdopen(fd, "w"), mode='w')

        f.write("bla")

        f.close()

        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()

        f = os.fdopen(fd, 'w')

        f.write("bla")

        f.close()

        stream = _get_source_stream(filename)

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

fast_export_baseline_data = """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

"""

class TestFastExport(ExternalBase):

    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('commit refs/heads/master\nmark :1\ncommitter'))

    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)

        try:

            self.assertPathExists("br.fi")

        except AttributeError: # bzr < 2.4

            self.failUnlessExists("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_baseline_option(self):

        tree = self.make_branch_and_tree("bl")

        # Revision 1

        file('bl/a', 'w').write('test 1')

        tree.add('a')

        tree.commit(message='add a')

        # Revision 2

        file('bl/b', 'w').write('test 2')

        file('bl/a', 'a').write('\ntest 3')

        tree.add('b')

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

        # Revision 3

        file('bl/c', 'w').write('test 4')

        tree.add('c')

        tree.remove('b')

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

        # Revision 4

        file('bl/a', 'a').write('\ntest 5')

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

        # Revision 5

        file('bl/d', 'w').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.assertEquals(fast_export_baseline_data, data)

        # 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 = """commit refs/heads/master

mark :1

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

data 7

initial

"""

class TestFastImportInfo(ExternalBase):

    def test_simple(self):

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

        output = self.run_bzr("fast-import-info simple.fi")[0]

        self.assertEquals(output, """Command counts:

\t0\tblob

\t0\tcheckpoint

\t1\tcommit

\t0\tfeature

\t0\tprogress

\t0\treset

\t0\ttag

File command counts:

\t0\tfilemodify

\t0\tfiledelete

\t0\tfilecopy

\t0\tfilerename

\t0\tfiledeleteall

Parent counts:

\t1\tparents-0

\t0\ttotal revisions merged

Commit analysis:

\tno\texecutables

\tno\tseparate authors found

\tno\tsymlinks

\tno\tblobs referenced by SHA

Head analysis:

\t[':1']\trefs/heads/master

Merges:

""")

class TestFastImport(ExternalBase):

    def test_empty(self):

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

        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())

class TestFastImportFilter(ExternalBase):

    def test_empty(self):

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

        self.make_branch_and_tree("br")

        self.assertEquals("", self.run_bzr("fast-import-filter -")[0])

    def test_default_stdin(self):

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

        self.make_branch_and_tree("br")

        self.assertEquals("", self.run_bzr("fast-import-filter")[0])