/brz/remove-bazaar

# Copyright (C) 2005 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

"""\

Tests for version_info

"""

import os

import sys

from StringIO import StringIO

from bzrlib.tests import TestCase, TestCaseInTempDir

from bzrlib.branch import Branch

from bzrlib.rio import read_stanzas

# TODO: jam 20051228 When part of bzrlib, this should become

#       from bzrlib.generate_version_info import foo

from generate_version_info import (is_clean,

        generate_rio_version, generate_python_version)

from errors import UncleanError

class TestIsClean(TestCaseInTempDir):

    # TODO: jam 20051228 Test that a branch without a working tree

    #       is clean. This would be something like an SFTP test

    def test_is_clean(self):

        b = Branch.initialize('.')

        wt = b.working_tree()

        def not_clean(b):

            clean, message = is_clean(b)

            if clean:

                self.fail('Tree should not be clean')

        def check_clean(b):

            clean, message = is_clean(b)

            if not clean:

                self.fail(message)

        # Nothing happened yet

        check_clean(b)

        # Unknown file

        open('a', 'wb').write('a file\n')

        not_clean(b)

        # Newly added file

        wt.add('a')

        not_clean(b)

        # We committed, things are clean

        wt.commit('added a')

        check_clean(b)

        # Unknown

        open('b', 'wb').write('b file\n')

        not_clean(b)

        wt.add('b')

        not_clean(b)

        wt.commit('added b')

        check_clean(b)

        open('a', 'wb').write('different\n')

        not_clean(b)

        wt.commit('mod a')

        check_clean(b)

        os.remove('a')

        not_clean(b)

        wt.commit('del a')

        check_clean(b)

        wt.rename_one('b', 'a')

        not_clean(b)

        wt.commit('rename b => a')

        check_clean(b)

class TestVersionInfo(TestCaseInTempDir):

    def create_branch(self):

        os.mkdir('branch')

        b = Branch.initialize(u'branch')

        wt = b.working_tree()

        open('branch/a', 'wb').write('a file\n')

        wt.add('a')

        wt.commit('a', rev_id='r1')

        open('branch/b', 'wb').write('b file\n')

        wt.add('b')

        wt.commit('b', rev_id='r2')

        open('branch/a', 'wb').write('new contents\n')

        wt.commit('a2', rev_id='r3')

        return b, wt

    def test_rio_version_text(self):

        b, wt = self.create_branch()

        def regen(**kwargs):

            sio = StringIO()

            generate_rio_version(b, to_file=sio, **kwargs)

            val = sio.getvalue()

            return val

        val = regen()

        self.assertContainsRe(val, 'date:')

        self.assertContainsRe(val, 'revno: 3')

        self.assertContainsRe(val, 'revision_id: r3')

        val = regen(check_for_clean=True)

        self.assertContainsRe(val, 'clean: True')

        open('branch/c', 'wb').write('now unclean\n')

        val = regen(check_for_clean=True)

        self.assertContainsRe(val, 'clean: False')

        os.remove('branch/c')

        val = regen(include_revision_history=True)

        self.assertContainsRe(val, 'id: r1')

        self.assertContainsRe(val, 'message: a')

        self.assertContainsRe(val, 'id: r2')

        self.assertContainsRe(val, 'message: b')

        self.assertContainsRe(val, 'id: r3')

        self.assertContainsRe(val, 'message: a2')

    def test_rio_version(self):

        b, wt = self.create_branch()

        def regen(**kwargs):

            sio = StringIO()

            generate_rio_version(b, to_file=sio, **kwargs)

            sio.seek(0)

            stanzas = list(read_stanzas(sio))

            self.assertEqual(1, len(stanzas))

            return stanzas[0]

        stanza = regen()

        self.failUnless('date' in stanza)

        self.assertEqual(['3'], stanza.get_all('revno'))

        self.assertEqual(['r3'], stanza.get_all('revision_id'))

        stanza = regen(check_for_clean=True)

        self.assertEqual(['True'], stanza.get_all('clean'))

        open('branch/c', 'wb').write('now unclean\n')

        stanza = regen(check_for_clean=True)

        self.assertEqual(['False'], stanza.get_all('clean'))

        os.remove('branch/c')

        stanza = regen(include_revision_history=True)

        txt = stanza['revisions']

        revision_stanza = list(read_stanzas(StringIO(txt)))

        self.assertEqual(1, len(revision_stanza))

        revision_stanza = revision_stanza[0]

        self.assertEqual(['r1', 'r2', 'r3'], revision_stanza.get_all('id'))

        self.assertEqual(['a', 'b', 'a2'], revision_stanza.get_all('message'))

    def test_python_version(self):

        b, wt = self.create_branch()

        def regen(**kwargs):

            outf = open('test_version_information.py', 'wb')

            generate_python_version(b, to_file=outf, **kwargs)

            outf.close()

            try:

                sys.path.append(os.getcwdu())

                import test_version_information as tvi

                reload(tvi)

            finally:

                sys.path.pop()

            # Make sure the module isn't cached

            sys.modules.pop('tvi', None)

            sys.modules.pop('test_version_information', None)

            # Delete the compiled versions, because we are generating

            # a new file fast enough that python doesn't detect it

            # needs to recompile, and using sleep() just makes the

            # test slow

            if os.path.exists('test_version_information.pyc'):

                os.remove('test_version_information.pyc')

            if os.path.exists('test_version_information.pyo'):

                os.remove('test_version_information.pyo')

            return tvi

        tvi = regen()

        self.assertEquals(3, tvi.version_info['revno'])

        self.assertEquals('r3', tvi.version_info['revision_id'])

        self.failUnless(tvi.version_info.has_key('date'))

        self.assertEquals(None, tvi.version_info['clean'])

        tvi = regen(check_for_clean=True)

        self.assertEquals(True, tvi.version_info['clean'])

        open('branch/c', 'wb').write('now unclean\n')

        tvi = regen(check_for_clean=True)

        self.assertEquals(False, tvi.version_info['clean'])

        os.remove('branch/c')

        tvi = regen(include_revision_history=True)

        self.assertEqual([('r1', 'a'), ('r2', 'b'), ('r3', 'a2')],

                         tvi.version_info['revisions'])