text: #!/usr/bin/python3
  #
  # Copyright (c) 2018 Google Inc.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #           http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  #
  # Author: William Henning <whenning@google.com>
  #
  # This script parses the validation layers test continuous integration ouput
  # and reports the number of tests that passed, failured, ouput unexpected errors,
  # or were skipped. As such, the script is only designed to parse the ouput
  # generated by the existing CI implementation.
  #
  # usage:
  #       for profile in tests/device_profiles/*.json; do echo Testing with
  #       profile $profile; VK_LAYER_PATH=DEVSIM_AND_VALIDATION_PATHS
  #       VK_DEVSIM_FILE=$profile VK_ICD_FILENAMES=MOCK_ICD_PATH
  #       ./build/tests/vk_layer_validation_tests --devsim; done
  #       | python3 parse_test_results.py [--fail_on_skip] [--fail_on_unexpected]
  #
  #       --fail_on_skip causes the script to exit with a non-zero exit code if a test
  #       didn't run on any device profile
  #
  #       --fail_on_unexpected causes the script to exit with a non-zero exit code if
  #       a test printed unexpected errors
  #
  
  import argparse
  import re
  import sys
  from collections import defaultdict
  
  class OutputStats(object):
      def __init__(self):
          self.current_profile = ""
          self.current_test = ""
          self.current_test_output = ""
          self.test_results = defaultdict(defaultdict)
          self.unexpected_errors = defaultdict(defaultdict)
  
      def match(self, line):
          self.new_profile_match(line)
          self.test_suite_end_match(line)
          self.start_test_match(line)
          if self.current_test != "":
              self.current_test_output += line
          self.skip_test_match(line)
          self.pass_test_match(line)
          self.fail_test_match(line)
          self.unexpected_error_match(line)
  
      def print_summary(self, skip_is_failure, unexpected_is_failure):
          if self.current_test != "":
              self.test_died()
  
          passed_tests = 0
          skipped_tests = 0
          failed_tests = 0
          unexpected_error_tests = 0
          did_fail = False
  
          for test_name, results in self.test_results.items():
              skipped_profiles = 0
              passed_profiles = 0
              failed_profiles = 0
              aborted_profiles = 0
              unexpected_error_profiles = 0
              for profile, result in results.items():
                  if result == "pass":
                      passed_profiles += 1
                  if result == "fail":
                      failed_profiles += 1
                  if result == "skip":
                      skipped_profiles += 1
                  if self.unexpected_errors.get(test_name, {}).get(profile, "") == "true":
                      unexpected_error_profiles += 1
              if failed_profiles != 0:
                  print("TEST FAILED:", test_name)
                  failed_tests += 1
              elif skipped_profiles == len(results):
                  print("TEST SKIPPED ALL DEVICES:", test_name)
                  skipped_tests += 1
              else:
                  passed_tests += 1
              if unexpected_error_profiles != 0:
                  print("UNEXPECTED ERRORS:", test_name)
                  unexpected_error_tests += 1
          num_tests = len(self.test_results)
          print("PASSED: ", passed_tests, "/", num_tests, " tests")
          if skipped_tests != 0:
              did_fail |= skip_is_failure
              print("NEVER RAN: ", skipped_tests, "/", num_tests, " tests")
          if failed_tests != 0:
              did_fail = True
              print("FAILED: ", failed_tests, "/", num_tests, "tests")
          if unexpected_error_tests != 0:
              did_fail |= unexpected_is_failure
              print("UNEXPECTED OUPUT: ", unexpected_error_tests, "/", num_tests, "tests")
          return did_fail
  
      def new_profile_match(self, line):
          if re.search(r'Testing with profile .*/(.*)', line) != None:
              self.current_profile = re.search(r'Testing with profile .*/(.*)', line).group(1)
  
      def test_suite_end_match(self, line):
          if re.search(r'\[-*\]', line) != None:
              if self.current_test != "":
                  # Here we see a message that starts [----------] before another test
                  # finished running. This should mean that that other test died.
                  self.test_died()
  
      def start_test_match(self, line):
          if re.search(r'\[ RUN\s*\]', line) != None:
              # This parser doesn't handle the case where one test's start comes between another
              # test's start and result.
              assert self.current_test == ""
              self.current_test = re.search(r'] (.*)', line).group(1)
              self.current_test_output = ""
  
      def skip_test_match(self, line):
          if re.search(r'TEST SKIPPED', line) != None:
              self.test_results[self.current_test][self.current_profile] = "skip"
  
      def pass_test_match(self, line):
          if re.search(r'\[\s*OK \]', line) != None:
              # If gtest says the test passed, check if it was skipped before marking it passed
              if self.test_results.get(self.current_test, {}).get(self.current_profile, "") != "skip":
                      self.test_results[self.current_test][self.current_profile] = "pass"
              self.current_test = ""
  
      def fail_test_match(self, line):
          if re.search(r'\[\s*FAILED\s*\]', line) != None and self.current_test != "":
              self.test_results[self.current_test][self.current_profile] = "fail"
              self.current_test = ""
  
      def unexpected_error_match(self, line):
          if re.search(r'^Unexpected: ', line) != None:
              self.unexpected_errors[self.current_test][self.current_profile] = "true"
  
      def test_died(self):
          print("A test likely crashed. Testing is being aborted.")
          print("Final test output: ")
          print(self.current_test_output)
          sys.exit(1)
  
  def main():
      parser = argparse.ArgumentParser(description='Parse the output from validation layer tests.')
      parser.add_argument('--fail_on_skip', action='store_true', help="Makes the script exit with a "
                          "non-zero exit code if a test didn't run on any device profile.")
      parser.add_argument('--fail_on_unexpected', action='store_true', help="Makes the script exit "
                          "with a non-zero exit code if a test causes unexpected errors.")
      args = parser.parse_args()
  
      stats = OutputStats()
      for line in sys.stdin:
          stats.match(line)
      failed = stats.print_summary(args.fail_on_skip, args.fail_on_unexpected)
      if failed == True:
          print("\nFAILED CI")
          sys.exit(1)
  
  if __name__ == '__main__':
      main()
  