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import unittest

from webkitpy.common.system.outputcapture import OutputCapture
from webkitpy.tool.mocktool import MockOptions, MockTool
from webkitpy.tool.steps.updatechangelogswithreviewer import UpdateChangeLogsWithReviewer

class UpdateChangeLogsWithReviewerTest(unittest.TestCase):
    def test_guess_reviewer_from_bug(self):
        capture = OutputCapture()
        step = UpdateChangeLogsWithReviewer(MockTool(), MockOptions())
        expected_logs = "No reviewed patches on bug 50001, cannot infer reviewer.\n"
        capture.assert_outputs(self, step._guess_reviewer_from_bug, [50001], expected_logs=expected_logs)

    def test_guess_reviewer_from_multipatch_bug(self):
        capture = OutputCapture()
        step = UpdateChangeLogsWithReviewer(MockTool(), MockOptions())
        expected_logs = "Guessing \"Reviewer2\" as reviewer from attachment 10001 on bug 50000.\n"
        capture.assert_outputs(self, step._guess_reviewer_from_bug, [50000], expected_logs=expected_logs)

    def test_empty_state(self):
        capture = OutputCapture()
        options = MockOptions()
        options.reviewer = 'MOCK reviewer'
        options.git_commit = 'MOCK git commit'
        step = UpdateChangeLogsWithReviewer(MockTool(), options)
        capture.assert_outputs(self, step.run, [{}])