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import unittest

from webkitpy.tool.mocktool import MockOptions
from webkitpy.common.system.systemhost_mock import MockSystemHost

from webkitpy.layout_tests.port import android
from webkitpy.layout_tests.port import linux
from webkitpy.layout_tests.port import mac
from webkitpy.layout_tests.port import win
from webkitpy.layout_tests.port import factory
from webkitpy.layout_tests.port import test


class FactoryTest(unittest.TestCase):
    """Test that the factory creates the proper port object for given combination of port_name, host.platform, and options."""
    # FIXME: The ports themselves should expose what options they require,
    # instead of passing generic "options".

    def setUp(self):
        self.webkit_options = MockOptions(pixel_tests=False)

    def assert_port(self, port_name=None, os_name=None, os_version=None, options=None, cls=None):
        host = MockSystemHost(os_name=os_name, os_version=os_version)
        port = factory.PortFactory(host).get(port_name, options=options)
        self.assertIsInstance(port, cls)

    def test_mac(self):
        self.assert_port(port_name='mac', os_name='mac', os_version='snowleopard',
                         cls=mac.MacPort)
        self.assert_port(port_name='chromium', os_name='mac', os_version='lion',
                         cls=mac.MacPort)

    def test_linux(self):
        self.assert_port(port_name='linux', cls=linux.LinuxPort)
        self.assert_port(port_name='chromium', os_name='linux', os_version='lucid',
                         cls=linux.LinuxPort)

    def test_android(self):
        self.assert_port(port_name='android', cls=android.AndroidPort)
        # NOTE: We can't check for port_name=chromium here, as this will append the host's
        # operating system, whereas host!=target for Android.

    def test_win(self):
        self.assert_port(port_name='win-xp', cls=win.WinPort)
        self.assert_port(port_name='win', os_name='win', os_version='xp',
                         cls=win.WinPort)
        self.assert_port(port_name='chromium', os_name='win', os_version='xp',
                         cls=win.WinPort)

    def test_unknown_specified(self):
        self.assertRaises(NotImplementedError, factory.PortFactory(MockSystemHost()).get, port_name='unknown')

    def test_unknown_default(self):
        self.assertRaises(NotImplementedError, factory.PortFactory(MockSystemHost(os_name='vms')).get)

    def test_get_from_builder_name(self):
        self.assertEqual(factory.PortFactory(MockSystemHost()).get_from_builder_name('WebKit Mac10.7').name(),
                          'mac-lion')