/brz/remove-bazaar

# Copyright (C) 2006-2007 by Jelmer Vernooij

# 

# 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

"""Tests for the rebase code."""

from bzrlib.errors import UnknownFormatError, NoSuchFile

from bzrlib.revision import NULL_REVISION

from bzrlib.tests import TestCase, TestCaseWithTransport

from rebase import (marshall_rebase_plan, unmarshall_rebase_plan, 

                    replay_snapshot, generate_simple_plan,

                    generate_transpose_plan, rebase_plan_exists,

                    rebase_todo, REBASE_PLAN_FILENAME, 

                    REBASE_CURRENT_REVID_FILENAME, read_rebase_plan, 

                    remove_rebase_plan, read_active_rebase_revid, 

                    write_active_rebase_revid, write_rebase_plan, MapTree)

class RebasePlanReadWriterTests(TestCase):

    def test_simple_marshall_rebase_plan(self):

        self.assertEqualDiff(

"""# Bazaar rebase plan 1

1 bla

oldrev newrev newparent1 newparent2

""", marshall_rebase_plan((1, "bla"), 

                          {"oldrev": ("newrev", ["newparent1", "newparent2"])}))

    def test_simple_unmarshall_rebase_plan(self):

        self.assertEquals(((1, "bla"), 

                          {"oldrev": ("newrev", ["newparent1", "newparent2"])}),

                         unmarshall_rebase_plan("""# Bazaar rebase plan 1

1 bla

oldrev newrev newparent1 newparent2

"""))

    def test_unmarshall_rebase_plan_formatunknown(self):

        self.assertRaises(UnknownFormatError,

                         unmarshall_rebase_plan, """# Bazaar rebase plan x

1 bla

oldrev newrev newparent1 newparent2

""")

class ConversionTests(TestCaseWithTransport):

    def test_simple(self):

        wt = self.make_branch_and_tree('.')

        b = wt.branch

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

        wt.add('hello')

        wt.commit(message='add hello', rev_id="bla")

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

        wt.commit(message='change hello', rev_id="bloe")

        wt.set_last_revision("bla")

        b.set_revision_history(["bla"])

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

        wt.commit(message='change hello', rev_id="bla2")

        newrev = replay_snapshot(wt.branch.repository, "bla2", "bla4", 

                                        ["bloe"])

        self.assertEqual("bla4", newrev)

        self.assertTrue(wt.branch.repository.has_revision(newrev))

        self.assertEqual(["bloe"], 

                wt.branch.repository.revision_parents(newrev))

        self.assertEqual("bla2", 

            wt.branch.repository.get_revision(newrev).properties["rebase-of"])

class PlanCreatorTests(TestCaseWithTransport):

    def test_simple_plan_creator(self):

        wt = self.make_branch_and_tree('.')

        b = wt.branch

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

        wt.add('hello')

        wt.commit(message='add hello', rev_id="bla")

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

        wt.commit(message='change hello', rev_id="bloe")

        wt.set_last_revision("bla")

        b.set_revision_history(["bla"])

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

        wt.commit(message='change hello', rev_id="bla2")

        self.assertEquals({'bla2': ('newbla2', ["bloe"])}, 

                generate_simple_plan(b.repository, b.revision_history(), "bla2", "bloe", 

                    lambda y: "new"+y.revision_id))

    def test_simple_plan_creator_extra_history(self):

        wt = self.make_branch_and_tree('.')

        b = wt.branch

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

        wt.add('hello')

        wt.commit(message='add hello', rev_id="bla")

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

        wt.commit(message='change hello', rev_id="bloe")

        wt.set_last_revision("bla")

        b.set_revision_history(["bla"])

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

        wt.commit(message='change hello', rev_id="bla2")

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

        wt.commit(message='change hello again', rev_id="bla3")

        self.assertEquals({'bla2': ('newbla2', ["bloe"]), 'bla3': ('newbla3', ['newbla2'])}, 

                generate_simple_plan(b.repository, b.revision_history(), "bla2", "bloe", 

                    lambda y: "new"+y.revision_id))

    def test_generate_transpose_plan(self):

        wt = self.make_branch_and_tree('.')

        b = wt.branch

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

        wt.add('hello')

        wt.commit(message='add hello', rev_id="bla")

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

        wt.commit(message='change hello', rev_id="bloe")

        wt.set_last_revision("bla")

        b.set_revision_history(["bla"])

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

        wt.commit(message='change hello', rev_id="bla2")

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

        wt.commit(message='change hello again', rev_id="bla3")

        wt.set_last_revision("bla")

        b.set_revision_history(["bla"])

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

        wt.commit(message='change hello yet again', rev_id="blie")

        wt.set_last_revision(NULL_REVISION)

        b.set_revision_history([])

        wt.add('hello')

        wt.commit(message='add hello', rev_id="lala")

        self.assertEquals({

                'bla': ('lala', []),

                'blie': ('newblie', ['lala']),

            },

                generate_transpose_plan(b.repository, b.repository.get_revision_graph("blie"), 

                {"bla": "lala"}, lambda y: "new"+y.revision_id))

        self.assertEquals({

                'bla': ('lala', []),

                'bla2': ('newbla2', ['lala']),

                'bla3': ('newbla3', ['newbla2']),

                'blie': ('newblie', ['lala']),

                'bloe': ('newbloe', ['lala'])},

                generate_transpose_plan(b.repository, b.repository.get_revision_graph(), 

                {"bla": "lala"}, lambda y: "new"+y.revision_id))

class PlanFileTests(TestCaseWithTransport):

   def test_rebase_plan_exists_false(self):

        wt = self.make_branch_and_tree('.')

        self.assertFalse(rebase_plan_exists(wt))

   def test_rebase_plan_exists_empty(self):

        wt = self.make_branch_and_tree('.')

        wt._control_files.put_utf8(REBASE_PLAN_FILENAME, "")

        self.assertFalse(rebase_plan_exists(wt))

   def test_rebase_plan_exists(self):

        wt = self.make_branch_and_tree('.')

        wt._control_files.put_utf8(REBASE_PLAN_FILENAME, "foo")

        self.assertTrue(rebase_plan_exists(wt))

   def test_remove_rebase_plan(self):

        wt = self.make_branch_and_tree('.')

        wt._control_files.put_utf8(REBASE_PLAN_FILENAME, "foo")

        remove_rebase_plan(wt)

        self.assertFalse(rebase_plan_exists(wt))

   def test_remove_rebase_plan_twice(self):

        wt = self.make_branch_and_tree('.')

        remove_rebase_plan(wt)

        self.assertFalse(rebase_plan_exists(wt))

   def test_write_rebase_plan(self):

        wt = self.make_branch_and_tree('.')

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

        wt.add('hello')

        wt.commit(message='add hello', rev_id="bla")

        write_rebase_plan(wt, 

                {"oldrev": ("newrev", ["newparent1", "newparent2"])})

        self.assertEqualDiff("""# Bazaar rebase plan 1

1 bla

oldrev newrev newparent1 newparent2

""", wt._control_files.get(REBASE_PLAN_FILENAME).read())

   def test_read_rebase_plan_nonexistant(self):

        wt = self.make_branch_and_tree('.')

        self.assertRaises(NoSuchFile, read_rebase_plan, wt)

   def test_read_rebase_plan_empty(self):

        wt = self.make_branch_and_tree('.')

        wt._control_files.put_utf8(REBASE_PLAN_FILENAME, "")

        self.assertRaises(NoSuchFile, read_rebase_plan, wt)

   def test_read_rebase_plan(self):

        wt = self.make_branch_and_tree('.')

        wt._control_files.put_utf8(REBASE_PLAN_FILENAME, """# Bazaar rebase plan 1

1 bla

oldrev newrev newparent1 newparent2

""")

        self.assertEquals(((1, "bla"), {"oldrev": ("newrev", ["newparent1", "newparent2"])}),

                read_rebase_plan(wt))

class CurrentRevidFileTests(TestCaseWithTransport):

    def test_read_nonexistant(self):

        wt = self.make_branch_and_tree('.')

        self.assertIs(None, read_active_rebase_revid(wt))

    def test_read_null(self):

        wt = self.make_branch_and_tree('.')

        wt._control_files.put_utf8(REBASE_CURRENT_REVID_FILENAME, NULL_REVISION)

        self.assertIs(None, read_active_rebase_revid(wt))

    def test_read(self):

        wt = self.make_branch_and_tree('.')

        wt._control_files.put_utf8(REBASE_CURRENT_REVID_FILENAME, "bla")

        self.assertEquals("bla", read_active_rebase_revid(wt))

    def test_write(self):

        wt = self.make_branch_and_tree('.')

        write_active_rebase_revid(wt, "bloe")

        self.assertEquals("bloe", read_active_rebase_revid(wt))

    def test_write_null(self):

        wt = self.make_branch_and_tree('.')

        write_active_rebase_revid(wt, None)

        self.assertIs(None, read_active_rebase_revid(wt))

class RebaseTodoTests(TestCase):

    def test_done(self):

        class Repository:

            def has_revision(self, revid):

                return revid == "bloe"

        self.assertEquals([], 

                list(rebase_todo(Repository(), { "bla": ("bloe", [])})))

    def test_notstarted(self):

        class Repository:

            def has_revision(self, revid):

                return False

        self.assertEquals(["bla"], 

                list(rebase_todo(Repository(), { "bla": ("bloe", [])})))

    def test_halfway(self):

        class Repository:

            def has_revision(self, revid):

                return revid == "bloe"

        self.assertEquals(["ha"], 

                list(rebase_todo(Repository(), { "bla": ("bloe", []), 

                                                 "ha": ("hee", [])})))