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import logging
import unittest

from webkitpy.tool.mocktool import MockOptions, MockTool
from webkitpy.tool.steps.updatechangelogswithreviewer import UpdateChangeLogsWithReviewer

from webkitcorepy import OutputCapture


class UpdateChangeLogsWithReviewerTest(unittest.TestCase):
    def test_guess_reviewer_from_bug(self):
        step = UpdateChangeLogsWithReviewer(MockTool(), MockOptions())
        with OutputCapture(level=logging.INFO) as captured:
            step._guess_reviewer_from_bug(50001)
        self.assertEqual(captured.root.log.getvalue(), 'No reviewed patches on bug 50001, cannot infer reviewer.\n')

    def test_guess_reviewer_from_multipatch_bug(self):
        step = UpdateChangeLogsWithReviewer(MockTool(), MockOptions())
        with OutputCapture(level=logging.INFO) as captured:
            step._guess_reviewer_from_bug(50000)
        self.assertEqual(captured.root.log.getvalue(), 'Guessing "Reviewer2" as reviewer from attachment 10001 on bug 50000.\n')

    def test_empty_state(self):
        options = MockOptions()
        options.reviewer = 'MOCK reviewer'
        options.git_commit = 'MOCK git commit'
        step = UpdateChangeLogsWithReviewer(MockTool(), options)
        with OutputCapture(level=logging.INFO) as captured:
            step.run({})
        self.assertEqual(captured.root.log.getvalue(), '')
