/brz/remove-bazaar

# Copyright (C) 2006, 2007 Canonical Ltd

# Authors: Robert Collins <robert.collins@canonical.com>

#          and others

#

# 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

"""Branch implementation tests for bzr.

These test the conformance of all the branch variations to the expected API.

Specific tests for individual formats are in the tests/test_branch file 

rather than in tests/branch_implementations/*.py.

"""

from bzrlib import (

    errors,

    tests,

    )

from bzrlib.branch import (BranchFormat,

                           _legacy_formats,

                           )

from bzrlib.remote import RemoteBranchFormat, RemoteBzrDirFormat

from bzrlib.smart.server import (

    ReadonlySmartTCPServer_for_testing,

    ReadonlySmartTCPServer_for_testing_v2_only,

    SmartTCPServer_for_testing,

    SmartTCPServer_for_testing_v2_only,

    )

from bzrlib.tests.bzrdir_implementations.test_bzrdir import TestCaseWithBzrDir

from bzrlib.transport.memory import MemoryServer

class BranchTestProviderAdapter(tests.TestScenarioApplier):

    """A tool to generate a suite testing multiple branch formats at once.

    This is done by copying the test once for each transport and injecting

    the transport_server, transport_readonly_server, and branch_format

    classes into each copy. Each copy is also given a new id() to make it

    easy to identify.

    """

    def __init__(self, transport_server, transport_readonly_server, formats,

        vfs_transport_factory=None, name_suffix=''):

        self._transport_server = transport_server

        self._transport_readonly_server = transport_readonly_server

        self._name_suffix = name_suffix

        self.scenarios = self.formats_to_scenarios(formats)

    def formats_to_scenarios(self, formats):

        """Transform the input formats to a list of scenarios.

        :param formats: A list of (branch_format, bzrdir_format).

        """

        result = []

        for branch_format, bzrdir_format in formats:

            # some branches don't have separate format objects.

            # so we have a conditional here to handle them.

            scenario_name = getattr(branch_format, '__name__',

                branch_format.__class__.__name__)

            scenario_name += self._name_suffix

            scenario = (scenario_name, {

                "transport_server":self._transport_server,

                "transport_readonly_server":self._transport_readonly_server,

                "bzrdir_format":bzrdir_format,

                "branch_format":branch_format,

                    })

            result.append(scenario)

        return result

class TestCaseWithBranch(TestCaseWithBzrDir):

    """This helper will be adapted for each branch_implementation test."""

    def setUp(self):

        super(TestCaseWithBranch, self).setUp()

        self.branch = None

    def get_branch(self):

        if self.branch is None:

            self.branch = self.make_branch('')

        return self.branch

    def make_branch(self, relpath, format=None):

        repo = self.make_repository(relpath, format=format)

        # fixme RBC 20060210 this isnt necessarily a fixable thing,

        # Skipped is the wrong exception to raise.

        try:

            return self.branch_format.initialize(repo.bzrdir)

        except errors.UninitializableFormat:

            raise tests.TestSkipped('Uninitializable branch format')

    def make_repository(self, relpath, shared=False, format=None):

        made_control = self.make_bzrdir(relpath, format=format)

        return made_control.create_repository(shared=shared)

    def create_tree_with_merge(self):

        """Create a branch with a simple ancestry.

        The graph should look like:

            digraph H {

                "rev-1" -> "rev-2" -> "rev-3";

                "rev-1" -> "rev-1.1.1" -> "rev-3";

            }

        Or in ASCII:

            1

            |\

            2 1.1.1

            |/

            3

        """

        tree = self.make_branch_and_memory_tree('tree')

        tree.lock_write()

        try:

            tree.add('')

            tree.commit('first', rev_id='rev-1')

            tree.commit('second', rev_id='rev-1.1.1')

            # Uncommit that last commit and switch to the other line

            tree.branch.set_last_revision_info(1, 'rev-1')

            tree.set_parent_ids(['rev-1'])

            tree.commit('alt-second', rev_id='rev-2')

            tree.set_parent_ids(['rev-2', 'rev-1.1.1'])

            tree.commit('third', rev_id='rev-3')

        finally:

            tree.unlock()

        return tree

def load_tests(basic_tests, module, loader):

    result = loader.suiteClass()

    # add the tests for this module

    result.addTests(basic_tests)

    test_branch_implementations = [

        'bzrlib.tests.branch_implementations.test_bound_sftp',

        'bzrlib.tests.branch_implementations.test_branch',

        'bzrlib.tests.branch_implementations.test_break_lock',

        'bzrlib.tests.branch_implementations.test_check',

        'bzrlib.tests.branch_implementations.test_create_checkout',

        'bzrlib.tests.branch_implementations.test_commit',

        'bzrlib.tests.branch_implementations.test_get_revision_id_to_revno_map',

        'bzrlib.tests.branch_implementations.test_hooks',

        'bzrlib.tests.branch_implementations.test_http',

        'bzrlib.tests.branch_implementations.test_last_revision_info',

        'bzrlib.tests.branch_implementations.test_locking',

        'bzrlib.tests.branch_implementations.test_parent',

        'bzrlib.tests.branch_implementations.test_permissions',

        'bzrlib.tests.branch_implementations.test_pull',

        'bzrlib.tests.branch_implementations.test_push',

        'bzrlib.tests.branch_implementations.test_reconcile',

        'bzrlib.tests.branch_implementations.test_revision_history',

        'bzrlib.tests.branch_implementations.test_revision_id_to_revno',

        'bzrlib.tests.branch_implementations.test_sprout',

        'bzrlib.tests.branch_implementations.test_stacking',

        'bzrlib.tests.branch_implementations.test_tags',

        'bzrlib.tests.branch_implementations.test_uncommit',

        'bzrlib.tests.branch_implementations.test_update',

        ]

    # Generate a list of branch formats and their associated bzrdir formats to

    # use.

    combinations = [(format, format._matchingbzrdir) for format in 

         BranchFormat._formats.values() + _legacy_formats]

    adapter = BranchTestProviderAdapter(

        # None here will cause the default vfs transport server to be used.

        None,

        # None here will cause a readonly decorator to be created

        # by the TestCaseWithTransport.get_readonly_transport method.

        None,

        combinations)

    # add the tests for the sub modules

    tests.adapt_modules(test_branch_implementations, adapter, loader, result)

    # Add RemoteBranch tests, which need a special server.

    adapt_to_smart_server = BranchTestProviderAdapter(

        SmartTCPServer_for_testing,

        ReadonlySmartTCPServer_for_testing,

        [(RemoteBranchFormat(), RemoteBzrDirFormat())],

        MemoryServer,

        name_suffix='-default')

    tests.adapt_modules(test_branch_implementations,

                        adapt_to_smart_server,

                        loader,

                        result)

    # Also add tests for RemoteBranch with HPSS protocol v2 (i.e. bzr <1.6)

    # server.

    adapt_to_smart_server = BranchTestProviderAdapter(

        SmartTCPServer_for_testing_v2_only,

        ReadonlySmartTCPServer_for_testing_v2_only,

        [(RemoteBranchFormat(), RemoteBzrDirFormat())],

        MemoryServer,

        name_suffix='-v2')

    tests.adapt_modules(test_branch_implementations,

                        adapt_to_smart_server,

                        loader,

                        result)

    return result