# Copyright (C) 2007-2010 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA


from bzrlib.tests import TestCaseWithTransport


class TestCatRevision(TestCaseWithTransport):

    def test_cat_unicode_revision(self):
        tree = self.make_branch_and_tree('.')
        tree.commit('This revision', rev_id='abcd')
        output, errors = self.run_bzr(['cat-revision', u'abcd'])
        self.assertContainsRe(output, 'This revision')
        self.assertEqual('', errors)

    def test_cat_revision(self):
        """Test bzr cat-revision.
        """
        wt = self.make_branch_and_tree('.')
        r = wt.branch.repository

        wt.commit('Commit one', rev_id='a@r-0-1')
        wt.commit('Commit two', rev_id='a@r-0-2')
        wt.commit('Commit three', rev_id='a@r-0-3')

        r.lock_read()
        try:
            revs = {}
            for i in (1, 2, 3):
                revid = "a@r-0-%d" % i
                stream = r.revisions.get_record_stream([(revid,)], 'unordered', 
                                                       False) 
                revs[i] = stream.next().get_bytes_as('fulltext')
        finally:
            r.unlock()

        for i in [1, 2, 3]:
            self.assertEqual(revs[i],
                self.run_bzr('cat-revision -r revid:a@r-0-%d' % i)[0])
            self.assertEqual(revs[i],
                self.run_bzr('cat-revision a@r-0-%d' % i)[0])
            self.assertEqual(revs[i],
                self.run_bzr('cat-revision -r %d' % i)[0])

    def test_cat_no_such_revid(self):
        tree = self.make_branch_and_tree('.')
        err = self.run_bzr('cat-revision abcd', retcode=3)[1]
        self.assertContainsRe(err, 'The repository .* contains no revision abcd.')

    def test_cat_revision_directory(self):
        """Test --directory option"""
        tree = self.make_branch_and_tree('a')
        tree.commit('This revision', rev_id='abcd')
        output, errors = self.run_bzr(['cat-revision', '-d', 'a', u'abcd'])
        self.assertContainsRe(output, 'This revision')
        self.assertEqual('', errors)

    def test_cat_tree_less_branch(self):
        tree = self.make_branch_and_tree('.')
        tree.commit('This revision', rev_id='abcd')
        tree.bzrdir.destroy_workingtree()
        output, errors = self.run_bzr(['cat-revision', '-d', 'a', u'abcd'])
        self.assertContainsRe(output, 'This revision')
        self.assertEqual('', errors)
