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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_stderr = "0 reviewed patches on bug 75, cannot infer reviewer.\n"
        capture.assert_outputs(self, step._guess_reviewer_from_bug, [75], expected_stderr=expected_stderr)

    def test_empty_state(self):
        capture = OutputCapture()
        step = UpdateChangeLogsWithReviewer(MockTool(), MockOptions())
        capture.assert_outputs(self, step.run, [{}])