/brz/remove-bazaar

# Copyright (C) 2007-2018 Jelmer Vernooij <jelmer@jelmer.uk>

# -*- encoding: 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

"""Tests for mapping."""

from __future__ import absolute_import

from ...revision import (

    Revision,

    )

from dulwich.objects import (

    Blob,

    Commit,

    Tag,

    parse_timezone,

    )

from dulwich.tests.utils import (

    make_object,

    )

from .. import tests

from ..errors import (

    UnknownCommitExtra,

    UnknownMercurialCommitExtra,

    )

from ..mapping import (

    BzrGitMappingv1,

    escape_file_id,

    fix_person_identifier,

    unescape_file_id,

    )

class TestRevidConversionV1(tests.TestCase):

    def test_simple_git_to_bzr_revision_id(self):

        self.assertEqual(b"git-v1:"

                         b"c6a4d8f1fa4ac650748e647c4b1b368f589a7356",

                         BzrGitMappingv1().revision_id_foreign_to_bzr(

                             b"c6a4d8f1fa4ac650748e647c4b1b368f589a7356"))

    def test_simple_bzr_to_git_revision_id(self):

        self.assertEqual((b"c6a4d8f1fa4ac650748e647c4b1b368f589a7356",

                          BzrGitMappingv1()),

                         BzrGitMappingv1().revision_id_bzr_to_foreign(

            b"git-v1:"

            b"c6a4d8f1fa4ac650748e647c4b1b368f589a7356"))

    def test_is_control_file(self):

        mapping = BzrGitMappingv1()

        if mapping.roundtripping:

            self.assertTrue(mapping.is_special_file(".bzrdummy"))

            self.assertTrue(mapping.is_special_file(".bzrfileids"))

        self.assertFalse(mapping.is_special_file(".bzrfoo"))

    def test_generate_file_id(self):

        mapping = BzrGitMappingv1()

        self.assertIsInstance(mapping.generate_file_id("la"), bytes)

        self.assertIsInstance(mapping.generate_file_id(u"é"), bytes)

class FileidTests(tests.TestCase):

    def test_escape_space(self):

        self.assertEqual(b"bla_s", escape_file_id(b"bla "))

    def test_escape_control_l(self):

        self.assertEqual(b"bla_c", escape_file_id(b"bla\x0c"))

    def test_unescape_control_l(self):

        self.assertEqual(b"bla\x0c", unescape_file_id(b"bla_c"))

    def test_escape_underscore(self):

        self.assertEqual(b"bla__", escape_file_id(b"bla_"))

    def test_escape_underscore_space(self):

        self.assertEqual(b"bla___s", escape_file_id(b"bla_ "))

    def test_unescape_underscore(self):

        self.assertEqual(b"bla ", unescape_file_id(b"bla_s"))

    def test_unescape_underscore_space(self):

        self.assertEqual(b"bla _", unescape_file_id(b"bla_s__"))

class TestImportCommit(tests.TestCase):

    def test_commit(self):

        c = Commit()

        c.tree = b"cc9462f7f8263ef5adfbeff2fb936bb36b504cba"

        c.message = b"Some message"

        c.committer = b"Committer"

        c.commit_time = 4

        c.author_time = 5

        c.commit_timezone = 60 * 5

        c.author_timezone = 60 * 3

        c.author = b"Author"

        mapping = BzrGitMappingv1()

        rev, roundtrip_revid, verifiers = mapping.import_commit(c,

                                                                mapping.revision_id_foreign_to_bzr)

        self.assertEqual(None, roundtrip_revid)

        self.assertEqual({}, verifiers)

        self.assertEqual(u"Some message", rev.message)

        self.assertEqual(u"Committer", rev.committer)

        self.assertEqual(u"Author", rev.properties[u'author'])

        self.assertEqual(300, rev.timezone)

        self.assertEqual([], rev.parent_ids)

        self.assertEqual("5", rev.properties[u'author-timestamp'])

        self.assertEqual("180", rev.properties[u'author-timezone'])

        self.assertEqual(b"git-v1:" + c.id, rev.revision_id)

    def test_explicit_encoding(self):

        c = Commit()

        c.tree = b"cc9462f7f8263ef5adfbeff2fb936bb36b504cba"

        c.message = b"Some message"

        c.committer = b"Committer"

        c.commit_time = 4

        c.author_time = 5

        c.commit_timezone = 60 * 5

        c.author_timezone = 60 * 3

        c.author = u"Authér".encode("iso8859-1")

        c.encoding = b"iso8859-1"

        mapping = BzrGitMappingv1()

        rev, roundtrip_revid, verifiers = mapping.import_commit(c,

                                                                mapping.revision_id_foreign_to_bzr)

        self.assertEqual(None, roundtrip_revid)

        self.assertEqual({}, verifiers)

        self.assertEqual(u"Authér", rev.properties[u'author'])

        self.assertEqual("iso8859-1", rev.properties[u"git-explicit-encoding"])

        self.assertTrue(u"git-implicit-encoding" not in rev.properties)

    def test_implicit_encoding_fallback(self):

        c = Commit()

        c.tree = b"cc9462f7f8263ef5adfbeff2fb936bb36b504cba"

        c.message = b"Some message"

        c.committer = b"Committer"

        c.commit_time = 4

        c.author_time = 5

        c.commit_timezone = 60 * 5

        c.author_timezone = 60 * 3

        c.author = u"Authér".encode("latin1")

        mapping = BzrGitMappingv1()

        rev, roundtrip_revid, verifiers = mapping.import_commit(c,

                                                                mapping.revision_id_foreign_to_bzr)

        self.assertEqual(None, roundtrip_revid)

        self.assertEqual({}, verifiers)

        self.assertEqual(u"Authér", rev.properties[u'author'])

        self.assertEqual("latin1", rev.properties[u"git-implicit-encoding"])

        self.assertTrue(u"git-explicit-encoding" not in rev.properties)

    def test_implicit_encoding_utf8(self):

        c = Commit()

        c.tree = b"cc9462f7f8263ef5adfbeff2fb936bb36b504cba"

        c.message = b"Some message"

        c.committer = b"Committer"

        c.commit_time = 4

        c.author_time = 5

        c.commit_timezone = 60 * 5

        c.author_timezone = 60 * 3

        c.author = u"Authér".encode("utf-8")

        mapping = BzrGitMappingv1()

        rev, roundtrip_revid, verifiers = mapping.import_commit(c,

                                                                mapping.revision_id_foreign_to_bzr)

        self.assertEqual(None, roundtrip_revid)

        self.assertEqual({}, verifiers)

        self.assertEqual(u"Authér", rev.properties[u'author'])

        self.assertTrue(u"git-explicit-encoding" not in rev.properties)

        self.assertTrue(u"git-implicit-encoding" not in rev.properties)

    def test_unknown_extra(self):

        c = Commit()

        c.tree = b"cc9462f7f8263ef5adfbeff2fb936bb36b504cba"

        c.message = b"Some message"

        c.committer = b"Committer"

        c.commit_time = 4

        c.author_time = 5

        c.commit_timezone = 60 * 5

        c.author_timezone = 60 * 3

        c.author = b"Author"

        c._extra.append((b"iamextra", b"foo"))

        mapping = BzrGitMappingv1()

        self.assertRaises(UnknownCommitExtra, mapping.import_commit, c,

                          mapping.revision_id_foreign_to_bzr)

    def test_mergetag(self):

        c = Commit()

        c.tree = b"cc9462f7f8263ef5adfbeff2fb936bb36b504cba"

        c.message = b"Some message"

        c.committer = b"Committer"

        c.commit_time = 4

        c.author_time = 5

        c.commit_timezone = 60 * 5

        c.author_timezone = 60 * 3

        c.author = b"Author"

        tag = make_object(Tag,

                          tagger=b'Jelmer Vernooij <jelmer@samba.org>',

                          name=b'0.1', message=None,

                          object=(

                              Blob, b'd80c186a03f423a81b39df39dc87fd269736ca86'),

                          tag_time=423423423, tag_timezone=0)

        c.mergetag = [tag]

        mapping = BzrGitMappingv1()

        rev, roundtrip_revid, verifiers = mapping.import_commit(

            c, mapping.revision_id_foreign_to_bzr)

        self.assertEqual(

            rev.properties[u'git-mergetag-0'], tag.as_raw_string())

    def test_unknown_hg_fields(self):

        c = Commit()

        c.tree = b"cc9462f7f8263ef5adfbeff2fb936bb36b504cba"

        c.message = b"Some message"

        c.committer = b"Committer"

        c.commit_time = 4

        c.author_time = 5

        c.commit_timezone = 60 * 5

        c.author_timezone = 60 * 3

        c.author = b"Author"

        c._extra = [(b"HG:extra", b"bla:Foo")]

        mapping = BzrGitMappingv1()

        self.assertRaises(

            UnknownMercurialCommitExtra,

            mapping.import_commit, c, mapping.revision_id_foreign_to_bzr)

        self.assertEqual(

            mapping.revision_id_foreign_to_bzr(c.id),

            mapping.get_revision_id(c))

    def test_invalid_utf8(self):

        c = Commit()

        c.tree = b"cc9462f7f8263ef5adfbeff2fb936bb36b504cba"

        c.message = b"Some message \xc1"

        c.committer = b"Committer"

        c.commit_time = 4

        c.author_time = 5

        c.commit_timezone = 60 * 5

        c.author_timezone = 60 * 3

        c.author = b"Author"

        mapping = BzrGitMappingv1()

        self.assertEqual(

            mapping.revision_id_foreign_to_bzr(c.id),

            mapping.get_revision_id(c))

class RoundtripRevisionsFromBazaar(tests.TestCase):

    def setUp(self):

        super(RoundtripRevisionsFromBazaar, self).setUp()

        self.mapping = BzrGitMappingv1()

        self._parent_map = {}

        self._lookup_parent = self._parent_map.__getitem__

    def assertRoundtripRevision(self, orig_rev):

        commit = self.mapping.export_commit(orig_rev, b"mysha",

                                            self._lookup_parent, True, b"testamentsha")

        rev, roundtrip_revid, verifiers = self.mapping.import_commit(

            commit, self.mapping.revision_id_foreign_to_bzr)

        self.assertEqual(rev.revision_id,

                         self.mapping.revision_id_foreign_to_bzr(commit.id))

        if self.mapping.roundtripping:

            self.assertEqual({"testament3-sha1": b"testamentsha"}, verifiers)

            self.assertEqual(orig_rev.revision_id, roundtrip_revid)

            self.assertEqual(orig_rev.properties, rev.properties)

            self.assertEqual(orig_rev.committer, rev.committer)

            self.assertEqual(orig_rev.timestamp, rev.timestamp)

            self.assertEqual(orig_rev.timezone, rev.timezone)

            self.assertEqual(orig_rev.message, rev.message)

            self.assertEqual(list(orig_rev.parent_ids), list(rev.parent_ids))

        else:

            self.assertEqual({}, verifiers)

    def test_simple_commit(self):

        r = Revision(self.mapping.revision_id_foreign_to_bzr(

            b"edf99e6c56495c620f20d5dacff9859ff7119261"))

        r.message = "MyCommitMessage"

        r.parent_ids = []

        r.committer = "Jelmer Vernooij <jelmer@apache.org>"

        r.timestamp = 453543543

        r.timezone = 0

        r.properties = {}

        self.assertRoundtripRevision(r)

    def test_revision_id(self):

        r = Revision(b"myrevid")

        r.message = "MyCommitMessage"

        r.parent_ids = []

        r.committer = "Jelmer Vernooij <jelmer@apache.org>"

        r.timestamp = 453543543

        r.timezone = 0

        r.properties = {}

        self.assertRoundtripRevision(r)

    def test_ghost_parent(self):

        r = Revision(b"myrevid")

        r.message = u"MyCommitMessage"

        r.parent_ids = [b"iamaghost"]

        r.committer = "Jelmer Vernooij <jelmer@apache.org>"

        r.timestamp = 453543543

        r.timezone = 0

        r.properties = {}

        self.assertRoundtripRevision(r)

    def test_custom_property(self):

        r = Revision(b"myrevid")

        r.message = u"MyCommitMessage"

        r.parent_ids = []

        r.properties = {u"fool": "bar"}

        r.committer = "Jelmer Vernooij <jelmer@apache.org>"

        r.timestamp = 453543543

        r.timezone = 0

        self.assertRoundtripRevision(r)

class RoundtripRevisionsFromGit(tests.TestCase):

    def setUp(self):

        super(RoundtripRevisionsFromGit, self).setUp()

        self.mapping = BzrGitMappingv1()

    def assertRoundtripTree(self, tree):

        raise NotImplementedError(self.assertRoundtripTree)

    def assertRoundtripBlob(self, blob):

        raise NotImplementedError(self.assertRoundtripBlob)

    def assertRoundtripCommit(self, commit1):

        rev, roundtrip_revid, verifiers = self.mapping.import_commit(

            commit1, self.mapping.revision_id_foreign_to_bzr)

        commit2 = self.mapping.export_commit(rev, "12341212121212", None,

                                             True, None)

        self.assertEqual(commit1.committer, commit2.committer)

        self.assertEqual(commit1.commit_time, commit2.commit_time)

        self.assertEqual(commit1.commit_timezone, commit2.commit_timezone)

        self.assertEqual(commit1.author, commit2.author)

        self.assertEqual(commit1.author_time, commit2.author_time)

        self.assertEqual(commit1.author_timezone, commit2.author_timezone)

        self.assertEqual(commit1.message, commit2.message)

        self.assertEqual(commit1.encoding, commit2.encoding)

    def test_commit(self):

        c = Commit()

        c.tree = b"cc9462f7f8263ef5adfbeff2fb936bb36b504cba"

        c.message = b"Some message"

        c.committer = b"Committer <Committer>"

        c.commit_time = 4

        c.commit_timezone = -60 * 3

        c.author_time = 5

        c.author_timezone = 60 * 2

        c.author = b"Author <author>"

        self.assertRoundtripCommit(c)

    def test_commit_double_negative_timezone(self):

        c = Commit()

        c.tree = b"cc9462f7f8263ef5adfbeff2fb936bb36b504cba"

        c.message = b"Some message"

        c.committer = b"Committer <Committer>"

        c.commit_time = 4

        (c.commit_timezone, c._commit_timezone_neg_utc) = parse_timezone(b"--700")

        c.author_time = 5

        c.author_timezone = 60 * 2

        c.author = b"Author <author>"

        self.assertRoundtripCommit(c)

    def test_commit_zero_utc_timezone(self):

        c = Commit()

        c.tree = b"cc9462f7f8263ef5adfbeff2fb936bb36b504cba"

        c.message = b"Some message"

        c.committer = b"Committer <Committer>"

        c.commit_time = 4

        c.commit_timezone = 0

        c._commit_timezone_neg_utc = True

        c.author_time = 5

        c.author_timezone = 60 * 2

        c.author = b"Author <author>"

        self.assertRoundtripCommit(c)

    def test_commit_encoding(self):

        c = Commit()

        c.tree = b"cc9462f7f8263ef5adfbeff2fb936bb36b504cba"

        c.message = b"Some message"

        c.committer = b"Committer <Committer>"

        c.encoding = b'iso8859-1'

        c.commit_time = 4

        c.commit_timezone = -60 * 3

        c.author_time = 5

        c.author_timezone = 60 * 2

        c.author = b"Author <author>"

        self.assertRoundtripCommit(c)

    def test_commit_extra(self):

        c = Commit()

        c.tree = b"cc9462f7f8263ef5adfbeff2fb936bb36b504cba"

        c.message = b"Some message"

        c.committer = b"Committer <Committer>"

        c.commit_time = 4

        c.commit_timezone = -60 * 3

        c.author_time = 5

        c.author_timezone = 60 * 2

        c.author = b"Author <author>"

        c._extra = [(b"HG:rename-source", b"hg")]

        self.assertRoundtripCommit(c)

    def test_commit_mergetag(self):

        c = Commit()

        c.tree = b"cc9462f7f8263ef5adfbeff2fb936bb36b504cba"

        c.message = b"Some message"

        c.committer = b"Committer <Committer>"

        c.commit_time = 4

        c.commit_timezone = -60 * 3

        c.author_time = 5

        c.author_timezone = 60 * 2

        c.author = b"Author <author>"

        tag = make_object(Tag,

                          tagger=b'Jelmer Vernooij <jelmer@samba.org>',

                          name=b'0.1', message=None,

                          object=(

                              Blob, b'd80c186a03f423a81b39df39dc87fd269736ca86'),

                          tag_time=423423423, tag_timezone=0)

        c.mergetag = [tag]

        self.assertRoundtripCommit(c)

class FixPersonIdentifierTests(tests.TestCase):

    def test_valid(self):

        self.assertEqual(b"foo <bar@blah.nl>",

                         fix_person_identifier(b"foo <bar@blah.nl>"))

        self.assertEqual(b"bar@blah.nl <bar@blah.nl>",

                         fix_person_identifier(b"bar@blah.nl"))

    def test_fix(self):

        self.assertEqual(b"person <bar@blah.nl>",

                         fix_person_identifier(b"somebody <person <bar@blah.nl>>"))

        self.assertEqual(b"person <bar@blah.nl>",

                         fix_person_identifier(b"person<bar@blah.nl>"))

        self.assertRaises(ValueError,

                          fix_person_identifier, b"person >bar@blah.nl<")