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import os

import unittest

from webkitpy.common.checkout.changelog_unittest import ChangeLogTest

from webkitpy.common.system.outputcapture import OutputCapture

from webkitpy.tool.mocktool import MockOptions, MockTool

from webkitpy.tool.steps.preparechangelog import PrepareChangeLog

class PrepareChangeLogTest(ChangeLogTest):

    def test_ensure_bug_url(self):

        capture = OutputCapture()

        step = PrepareChangeLog(MockTool(), MockOptions())

        changelog_contents = u"%s\n%s" % (self._new_entry_boilerplate, self._example_changelog)

        changelog_path = self._write_tmp_file_with_contents(changelog_contents.encode("utf-8"))

        state = {

            "bug_title": "Example title",

            "bug_id": 1234,

            "changelogs": [changelog_path],

        }

        capture.assert_outputs(self, step.run, [state])

        actual_contents = self._read_file_contents(changelog_path, "utf-8")

        expected_message = "Example title\n        http://example.com/1234"

        expected_contents = changelog_contents.replace("Need a short description and bug URL (OOPS!)", expected_message)

        os.remove(changelog_path)

        self.assertEquals(actual_contents, expected_contents)