Print out debug of test when it fails.

generate_test_report.py

 #!/usr/bin/python
 # Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 
 """Parses and displays the contents of one or more autoserv result directories.
 
 This script parses the contents of one or more autoserv results folders and
 generates test reports.
@@ skipping 149 matching lines @@
     """Prints a result report to stdout.
 
     Prints a result table to stdout. Each row of the table contains the test
     result directory and the test result (PASS, FAIL). If the perf option is
     enabled, each test entry is followed by perf keyval entries from the test
     results.
     """
     tests = self._results.keys()
     tests.sort()
 
+    tests_with_errors = []
+
     width = self.GetTestColumnWidth()
     line = ''.ljust(width + 5, '-')
 
     tests_pass = 0
     print line
     for test in tests:
       # Emit the test/status entry first
       test_entry = test.ljust(width)
       result = self._results[test]
       status_entry = result['status']
       if status_entry == 'PASS':
         color = Color.GREEN
         tests_pass += 1
       else:
         color = Color.RED
+        tests_with_errors.append(test)
+
       status_entry = self._color.Color(color, status_entry)
       print test_entry + status_entry
 
       # Emit the perf keyvals entries. There will be no entries if the
       # --no-perf option is specified.
       perf = result['perf']
       perf_keys = perf.keys()
       perf_keys.sort()
 
       for perf_key in perf_keys:
         perf_key_entry = perf_key.ljust(width - self._KEYVAL_INDENT)
         perf_key_entry = perf_key_entry.rjust(width)
         perf_value_entry = self._color.Color(Color.BOLD, perf[perf_key])
         print perf_key_entry + perf_value_entry
 
     print line
 
     total_tests = len(tests)
     percent_pass = 100 * tests_pass / total_tests
     pass_str = '%d/%d (%d%%)' % (tests_pass, total_tests, percent_pass)
     print 'Total PASS: ' + self._color.Color(Color.BOLD, pass_str)
 
+    # Print out the client debug information for failed tests.
+    if self._options.print_debug:
+      for test in tests_with_errors:
+        debug_file_regex = os.path.join(self._options.strip, test, 'debug',
+                                       'client.*.DEBUG')
+        for path in glob.glob(debug_file_regex):
+          try:
+            fh = open(path)
+            print ('\n========== DEBUG FILE %s FOR TEST %s ==============\n' % (
+                   path, test))
+            print fh.read()
+            print('\n=========== END DEBUG %s FOR TEST %s ===============\n' % (
+                   path, test))
+            fh.close()
+          except:
+            print 'Could not open %s' % path
+
   def Run(self):
     """Runs report generation."""
     self._CollectResults()
     self._GenerateReportText()
     for v in self._results.itervalues():
       if v['status'] != 'PASS':
         sys.exit(1)
 
 
 def main():
   usage = 'Usage: %prog [options] result-directories...'
   parser = optparse.OptionParser(usage=usage)
   parser.add_option('--color', dest='color', action='store_true',
                     default=_STDOUT_IS_TTY,
                     help='Use color for text reports [default if TTY stdout]')
   parser.add_option('--no-color', dest='color', action='store_false',
                     help='Don\'t use color for text reports')
   parser.add_option('--perf', dest='perf', action='store_true',
                     default=True,
                     help='Include perf keyvals in the report [default]')
   parser.add_option('--no-perf', dest='perf', action='store_false',
                     help='Don\'t include perf keyvals in the report')
   parser.add_option('--strip', dest='strip', type='string', action='store',
                     default='results.',
                     help='Strip a prefix from test directory names'
                     ' [default: \'%default\']')
   parser.add_option('--no-strip', dest='strip', const='', action='store_const',
                     help='Don\'t strip a prefix from test directory names')
+  parser.add_option('--no-debug', dest='print_debug', action='store_false',
+                    default=True,
+                    help='Do not print out the debug log when a test fails.')
   (options, args) = parser.parse_args()
 
   if not args:
     parser.print_help()
     Die('no result directories provided')
 
   generator = ReportGenerator(options, args)
   generator.Run()
 
 
 if __name__ == '__main__':
   main()