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import xml.etree.ElementTree as xml


class JUnitTestOutput:
  def __init__(self, test_suite_name):
    self.root = xml.Element("testsuite")
    self.root.attrib["name"] = test_suite_name

  def HasRunTest(self, test_name, test_duration, test_failure):
    testCaseElement = xml.Element("testcase")
    testCaseElement.attrib["name"] = " ".join(test_name)
    testCaseElement.attrib["time"] = str(round(test_duration, 3))
    if len(test_failure):
      failureElement = xml.Element("failure")
      failureElement.text = test_failure
      testCaseElement.append(failureElement)
    self.root.append(testCaseElement)

  def FinishAndWrite(self, file):
    xml.ElementTree(self.root).write(file, "UTF-8")