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from webkitpy.common.checkout.scm.scm_mock import MockSCM
from webkitpy.common.net.buildbot.buildbot_mock import MockBuildBot
from webkitpy.common.net.web_mock import MockWeb
from webkitpy.common.system.systemhost_mock import MockSystemHost

# New-style ports need to move down into webkitpy.common.
from webkitpy.layout_tests.port.factory import PortFactory
from webkitpy.layout_tests.port.test import add_unit_tests_to_mock_filesystem


class MockHost(MockSystemHost):

    def __init__(self, log_executive=False, executive_throws_when_run=None, initialize_scm_by_default=True, web=None, scm=None):
        MockSystemHost.__init__(self, log_executive, executive_throws_when_run)
        add_unit_tests_to_mock_filesystem(self.filesystem)
        self.web = web or MockWeb()

        self._scm = scm
        # FIXME: we should never initialize the SCM by default, since the real
        # object doesn't either. This has caused at least one bug (see bug 89498).
        if initialize_scm_by_default:
            self.initialize_scm()
        self.buildbot = MockBuildBot()

        # Note: We're using a real PortFactory here.  Tests which don't wish to depend
        # on the list of known ports should override this with a MockPortFactory.
        self.port_factory = PortFactory(self)

    def initialize_scm(self, patch_directories=None):
        if not self._scm:
            self._scm = MockSCM(filesystem=self.filesystem, executive=self.executive)
        # Various pieces of code (wrongly) call filesystem.chdir(checkout_root).
        # Making the checkout_root exist in the mock filesystem makes that chdir not raise.
        self.filesystem.maybe_make_directory(self._scm.checkout_root)

    def scm(self):
        return self._scm

    def scm_for_path(self, path):
        # FIXME: consider supporting more than one SCM so that we can do more comprehensive testing.
        self.initialize_scm()
        return self._scm

    def checkout(self):
        return self._checkout
