# Copyright (C) 2006-2011 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 repositories with shared branches"""

import os

from breezy.bzr.bzrdir import BzrDirMetaFormat1
from breezy.controldir import ControlDir
import breezy.errors as errors
from breezy.tests import TestCaseInTempDir
from breezy.tests.matchers import ContainsNoVfsCalls


class TestSharedRepo(TestCaseInTempDir):

    def test_make_repository(self):
        out, err = self.run_bzr("init-repository a")
        self.assertEqual(out,
                         """Shared repository with trees (format: 2a)
Location:
  shared repository: a
""")
        self.assertEqual(err, "")
        dir = ControlDir.open('a')
        self.assertIs(dir.open_repository().is_shared(), True)
        self.assertRaises(errors.NotBranchError, dir.open_branch)
        self.assertRaises(errors.NoWorkingTree, dir.open_workingtree)

    def test_make_repository_quiet(self):
        out, err = self.run_bzr("init-repository a -q")
        self.assertEqual(out, "")
        self.assertEqual(err, "")
        dir = ControlDir.open('a')
        self.assertIs(dir.open_repository().is_shared(), True)
        self.assertRaises(errors.NotBranchError, dir.open_branch)
        self.assertRaises(errors.NoWorkingTree, dir.open_workingtree)

    def test_init_repo_existing_dir(self):
        """Make repo in existing directory.

        (Malone #38331)
        """
        out, err = self.run_bzr("init-repository .")
        dir = ControlDir.open('.')
        self.assertTrue(dir.open_repository())

    def test_init(self):
        self.run_bzr("init-repo a")
        self.run_bzr("init --format=default a/b")
        dir = ControlDir.open('a')
        self.assertIs(dir.open_repository().is_shared(), True)
        self.assertRaises(errors.NotBranchError, dir.open_branch)
        self.assertRaises(errors.NoWorkingTree, dir.open_workingtree)
        bdir = ControlDir.open('a/b')
        bdir.open_branch()
        self.assertRaises(errors.NoRepositoryPresent, bdir.open_repository)
        wt = bdir.open_workingtree()

    def test_branch(self):
        self.run_bzr("init-repo a")
        self.run_bzr("init --format=default a/b")
        self.run_bzr('branch a/b a/c')
        cdir = ControlDir.open('a/c')
        cdir.open_branch()
        self.assertRaises(errors.NoRepositoryPresent, cdir.open_repository)
        cdir.open_workingtree()

    def test_branch_tree(self):
        self.run_bzr("init-repo --trees a")
        self.run_bzr("init --format=default b")
        with open('b/hello', 'wt') as f:
            f.write('bar')
        self.run_bzr("add b/hello")
        self.run_bzr("commit -m bar b/hello")

        self.run_bzr('branch b a/c')
        cdir = ControlDir.open('a/c')
        cdir.open_branch()
        self.assertRaises(errors.NoRepositoryPresent, cdir.open_repository)
        self.assertPathExists('a/c/hello')
        cdir.open_workingtree()

    def test_trees_default(self):
        # 0.15 switched to trees by default
        self.run_bzr("init-repo repo")
        repo = ControlDir.open("repo").open_repository()
        self.assertEqual(True, repo.make_working_trees())

    def test_trees_argument(self):
        # Supplying the --trees argument should be harmless,
        # as it was previously non-default we need to get it right.
        self.run_bzr("init-repo --trees trees")
        repo = ControlDir.open("trees").open_repository()
        self.assertEqual(True, repo.make_working_trees())

    def test_no_trees_argument(self):
        # --no-trees should make it so that there is no working tree
        self.run_bzr("init-repo --no-trees notrees")
        repo = ControlDir.open("notrees").open_repository()
        self.assertEqual(False, repo.make_working_trees())

    def test_init_repo_smart_acceptance(self):
        # The amount of hpss calls made on init-repo to a smart server should
        # be fixed.
        self.setup_smart_server_with_call_log()
        self.run_bzr(['init-repo', self.get_url('repo')])
        # This figure represent the amount of work to perform this use case. It
        # is entirely ok to reduce this number if a test fails due to rpc_count
        # being too low. If rpc_count increases, more network roundtrips have
        # become necessary for this use case. Please do not adjust this number
        # upwards without agreement from bzr's network support maintainers.
        self.assertLength(11, self.hpss_calls)
        self.assertLength(1, self.hpss_connections)
        self.assertThat(self.hpss_calls, ContainsNoVfsCalls)

    def test_notification_on_branch_from_repository(self):
        out, err = self.run_bzr("init-repository -q a")
        self.assertEqual(out, "")
        self.assertEqual(err, "")
        dir = ControlDir.open('a')
        dir.open_repository()  # there is a repository there
        e = self.assertRaises(errors.NotBranchError, dir.open_branch)
        self.assertContainsRe(str(e), "location is a repository")

    def test_notification_on_branch_from_nonrepository(self):
        fmt = BzrDirMetaFormat1()
        t = self.get_transport()
        t.mkdir('a')
        dir = fmt.initialize_on_transport(t.clone('a'))
        self.assertRaises(errors.NoRepositoryPresent, dir.open_repository)
        e = self.assertRaises(errors.NotBranchError, dir.open_branch)
        self.assertNotContainsRe(str(e), "location is a repository")

    def test_init_repo_with_post_repo_init_hook(self):
        calls = []
        ControlDir.hooks.install_named_hook(
            'post_repo_init', calls.append, None)
        self.assertLength(0, calls)
        self.run_bzr("init-repository a")
        self.assertLength(1, calls)

    def test_init_repo_without_username(self):
        """Ensure init-repo works if username is not set.
        """
        # brz makes user specified whoami mandatory for operations
        # like commit as whoami is recorded. init-repo however is not so final
        # and uses whoami only in a lock file. Without whoami the login name
        # is used. This test is to ensure that init-repo passes even when whoami
        # is not available.
        self.overrideEnv('EMAIL', None)
        self.overrideEnv('BRZ_EMAIL', None)
        out, err = self.run_bzr(['init-repo', 'foo'])
        self.assertEqual(err, '')
        self.assertTrue(os.path.exists('foo'))
