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from datetime import datetime
import unittest

from webkitpy.common.system.outputcapture import OutputCapture
from webkitpy.thirdparty.mock import Mock
from webkitpy.tool.bot.feeders import *
from webkitpy.tool.mocktool import MockTool


class FeedersTest(unittest.TestCase):
    def test_commit_queue_feeder(self):
        feeder = CommitQueueFeeder(MockTool())
        expected_stderr = u"""Warning, attachment 128 on bug 42 has invalid committer (non-committer@example.com)
Warning, attachment 128 on bug 42 has invalid committer (non-committer@example.com)
MOCK setting flag 'commit-queue' to '-' on attachment '128' with comment 'Rejecting attachment 128 from commit-queue.' and additional comment 'non-committer@example.com does not have committer permissions according to http://trac.webkit.org/browser/trunk/Tools/Scripts/webkitpy/common/config/committers.py.

- If you do not have committer rights please read http://webkit.org/coding/contributing.html for instructions on how to use bugzilla flags.

- If you have committer rights please correct the error in Tools/Scripts/webkitpy/common/config/committers.py by adding yourself to the file (no review needed).  The commit-queue restarts itself every 2 hours.  After restart the commit-queue will correctly respect your committer rights.'
MOCK: update_work_items: commit-queue [106, 197]
Feeding commit-queue items [106, 197]
"""
        OutputCapture().assert_outputs(self, feeder.feed, expected_stderr=expected_stderr)

    def _mock_attachment(self, is_rollout, attach_date):
        attachment = Mock()
        attachment.is_rollout = lambda: is_rollout
        attachment.attach_date = lambda: attach_date
        return attachment

    def test_patch_cmp(self):
        long_ago_date = datetime(1900, 1, 21)
        recent_date = datetime(2010, 1, 21)
        attachment1 = self._mock_attachment(is_rollout=False, attach_date=recent_date)
        attachment2 = self._mock_attachment(is_rollout=False, attach_date=long_ago_date)
        attachment3 = self._mock_attachment(is_rollout=True, attach_date=recent_date)
        attachment4 = self._mock_attachment(is_rollout=True, attach_date=long_ago_date)
        attachments = [attachment1, attachment2, attachment3, attachment4]
        expected_sort = [attachment4, attachment3, attachment2, attachment1]
        queue = CommitQueueFeeder(MockTool())
        attachments.sort(queue._patch_cmp)
        self.assertEqual(attachments, expected_sort)

    def test_patches_with_acceptable_review_flag(self):
        class MockPatch(object):
            def __init__(self, patch_id, review):
                self.id = patch_id
                self.review = lambda: review

        feeder = CommitQueueFeeder(MockTool())
        patches = [MockPatch(1, None), MockPatch(2, '-'), MockPatch(3, "+")]
        self.assertEquals([patch.id for patch in feeder._patches_with_acceptable_review_flag(patches)], [1, 3])