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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)