# Copyright 2011 Justin Santa Barbara
# Copyright 2012 Hewlett-Packard Development Company, L.P.
#
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.

import __builtin__
import os
import os.path

import mox

from tuskar.common import utils
from tuskar.tests import base


class GenericUtilsTestCase(base.TestCase):

    def test_read_cached_file(self):
        self.mox.StubOutWithMock(os.path, "getmtime")
        os.path.getmtime(mox.IgnoreArg()).AndReturn(1)
        self.mox.ReplayAll()

        cache_data = {"data": 1123, "mtime": 1}
        data = utils.read_cached_file("/this/is/a/fake", cache_data)
        self.assertEqual(cache_data["data"], data)

    def test_read_modified_cached_file(self):
        self.mox.StubOutWithMock(os.path, "getmtime")
        self.mox.StubOutWithMock(__builtin__, 'open')
        os.path.getmtime(mox.IgnoreArg()).AndReturn(2)

        fake_contents = "lorem ipsum"
        fake_file = self.mox.CreateMockAnything()
        fake_file.read().AndReturn(fake_contents)
        fake_context_manager = self.mox.CreateMockAnything()
        fake_context_manager.__enter__().AndReturn(fake_file)
        fake_context_manager.__exit__(mox.IgnoreArg(),
                                      mox.IgnoreArg(),
                                      mox.IgnoreArg())

        __builtin__.open(mox.IgnoreArg()).AndReturn(fake_context_manager)

        self.mox.ReplayAll()
        cache_data = {"data": 1123, "mtime": 1}
        self.reload_called = False

        def test_reload(reloaded_data):
            self.assertEqual(reloaded_data, fake_contents)
            self.reload_called = True

        data = utils.read_cached_file("/this/is/a/fake", cache_data,
                                                reload_func=test_reload)
        self.assertEqual(data, fake_contents)
        self.assertTrue(self.reload_called)


class IntLikeTestCase(base.TestCase):

    def test_is_int_like(self):
        self.assertTrue(utils.is_int_like(1))
        self.assertTrue(utils.is_int_like("1"))
        self.assertTrue(utils.is_int_like("514"))
        self.assertTrue(utils.is_int_like("0"))

        self.assertFalse(utils.is_int_like(1.1))
        self.assertFalse(utils.is_int_like("1.1"))
        self.assertFalse(utils.is_int_like("1.1.1"))
        self.assertFalse(utils.is_int_like(None))
        self.assertFalse(utils.is_int_like("0."))
        self.assertFalse(utils.is_int_like("aaaaaa"))
        self.assertFalse(utils.is_int_like("...."))
        self.assertFalse(utils.is_int_like("1g"))
        self.assertFalse(
            utils.is_int_like("0cc3346e-9fef-4445-abe6-5d2b2690ec64"))
        self.assertFalse(utils.is_int_like("a1"))