# Copyright (C) 2009-2012, 2016 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


"""Black-box tests for brz dpush."""


from breezy import (
    branch,
    tests,
    )
from breezy.tests import (
    script,
    test_foreign,
    )
from breezy.tests.blackbox import test_push
from breezy.tests.scenarios import (
    load_tests_apply_scenarios,
    )


load_tests = load_tests_apply_scenarios


class TestDpush(tests.TestCaseWithTransport):

    def setUp(self):
        super(TestDpush, self).setUp()
        test_foreign.register_dummy_foreign_for_test(self)

    def make_dummy_builder(self, relpath):
        builder = self.make_branch_builder(
            relpath, format=test_foreign.DummyForeignVcsDirFormat())
        builder.build_snapshot('revid', None,
            [('add', ('', 'TREE_ROOT', 'directory', None)),
             ('add', ('foo', 'fooid', 'file', 'bar'))])
        return builder

    def test_dpush_native(self):
        target_tree = self.make_branch_and_tree("dp")
        source_tree = self.make_branch_and_tree("dc")
        output, error = self.run_bzr("dpush -d dc dp", retcode=3)
        self.assertEqual("", output)
        self.assertContainsRe(error,
            'in the same VCS, lossy push not necessary. Please use regular '
            'push.')

    def test_dpush(self):
        branch = self.make_dummy_builder('d').get_branch()

        dc = branch.controldir.sprout('dc', force_new_repo=True)
        self.build_tree(("dc/foo", "blaaaa"))
        dc.open_workingtree().commit('msg')

        script.run_script(self, """
            $ brz dpush -d dc d
            2>Doing on-the-fly conversion from DummyForeignVcsRepositoryFormat() to RepositoryFormat2a().
            2>This may take some time. Upgrade the repositories to the same format for better performance.
            2>Pushed up to revision 2.
            $ brz status dc
            """)

    def test_dpush_new(self):
        b = self.make_dummy_builder('d').get_branch()

        dc = b.controldir.sprout('dc', force_new_repo=True)
        self.build_tree_contents([("dc/foofile", "blaaaa")])
        dc_tree = dc.open_workingtree()
        dc_tree.add("foofile")
        dc_tree.commit("msg")

        script.run_script(self, '''
            $ brz dpush -d dc d
            2>Doing on-the-fly conversion from DummyForeignVcsRepositoryFormat() to RepositoryFormat2a().
            2>This may take some time. Upgrade the repositories to the same format for better performance.
            2>Pushed up to revision 2.
            $ brz revno dc
            2
            $ brz status dc
            ''')

    def test_dpush_wt_diff(self):
        b = self.make_dummy_builder('d').get_branch()

        dc = b.controldir.sprout('dc', force_new_repo=True)
        self.build_tree_contents([("dc/foofile", "blaaaa")])
        dc_tree = dc.open_workingtree()
        dc_tree.add("foofile")
        newrevid = dc_tree.commit('msg')

        self.build_tree_contents([("dc/foofile", "blaaaal")])
        script.run_script(self, '''
            $ brz dpush -d dc d --no-strict
            2>Doing on-the-fly conversion from DummyForeignVcsRepositoryFormat() to RepositoryFormat2a().
            2>This may take some time. Upgrade the repositories to the same format for better performance.
            2>Pushed up to revision 2.
            ''')
        self.assertFileEqual("blaaaal", "dc/foofile")
        # if the dummy vcs wasn't that dummy we could uncomment the line below
        # self.assertFileEqual("blaaaa", "d/foofile")
        script.run_script(self, '''
            $ brz status dc
            modified:
              foofile
            ''')

    def test_diverged(self):
        builder = self.make_dummy_builder('d')

        b = builder.get_branch()

        dc = b.controldir.sprout('dc', force_new_repo=True)
        dc_tree = dc.open_workingtree()

        self.build_tree_contents([("dc/foo", "bar")])
        dc_tree.commit('msg1')

        builder.build_snapshot('revid2', None,
          [('modify', ('fooid', 'blie'))])

        output, error = self.run_bzr("dpush -d dc d", retcode=3)
        self.assertEqual(output, "")
        self.assertContainsRe(error, "have diverged")


class TestDpushStrictMixin(object):

    def setUp(self):
        test_foreign.register_dummy_foreign_for_test(self)
        # Create an empty branch where we will be able to push
        self.foreign = self.make_branch(
            'to', format=test_foreign.DummyForeignVcsDirFormat())

    def set_config_push_strict(self, value):
        br = branch.Branch.open('local')
        br.get_config_stack().set('dpush_strict', value)

    _default_command = ['dpush', '../to']


class TestDpushStrictWithoutChanges(TestDpushStrictMixin,
                                    test_push.TestPushStrictWithoutChanges):

    def setUp(self):
        test_push.TestPushStrictWithoutChanges.setUp(self)
        TestDpushStrictMixin.setUp(self)


class TestDpushStrictWithChanges(TestDpushStrictMixin,
                                 test_push.TestPushStrictWithChanges):

    scenarios = test_push.strict_push_change_scenarios

    _changes_type = None # Set by load_tests

    def setUp(self):
        test_push.TestPushStrictWithChanges.setUp(self)
        TestDpushStrictMixin.setUp(self)

    def test_push_with_revision(self):
        raise tests.TestNotApplicable('dpush does not handle --revision')