Provide detail error messages for automated sequence tests

client/site_tests/factory_Review/factory_Review.py

 # 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.
 
 
 # DESCRIPTION :
 #
 # This is an example factory test that does not really do anything --
 # it displays a message in the center of the testing area, as
 # communicated by arguments to run_once().  This test makes use of the
@@ skipping 37 matching lines @@
 
         status_map = factory.StatusMap(test_list, status_file_path)
         untested = status_map.filter(ful.UNTESTED)
         passed = status_map.filter(ful.PASSED)
         failed = status_map.filter(ful.FAILED)
 
         top_label = ful.make_label('UNTESTED=%d\t' % len(untested) +
                                'PASSED=%d\t' % len(passed) +
                                'FAILED=%d' % len(failed))
 
-        failed_msgs_map = [(t, status_map.lookup_error_msg(t)) for t in failed]
-        failure_report_list = ['%s : %s' % (t.label_en, e)
-                               for t, e in failed_msgs_map]
+        # decompose automated sequence tests
+        failure_report_list =[]
+        for t in failed:
+            t_name = t.label_en
+            if not isinstance(t, factory.AutomatedSequence):
+                # Simple Test
+                err_msg = status_map.lookup_error_msg(t)
+                failure_report_list.append('%s: %s' % (t_name, err_msg))
+                continue
+            # Complex Test
+            for subtest in t.subtest_list:
+                if status_map.lookup_status(subtest) != ful.FAILED:
+                    continue
+                err_msg = status_map.lookup_error_msg(subtest)
+                failure_report_list.append(
+                        '%s: (%s) %s' % (t_name, subtest.label_en, err_msg))
         failure_report = ful.make_label('\n'.join(failure_report_list))
 
         vbox = gtk.VBox()
         vbox.set_spacing(20)
         vbox.pack_start(top_label, False, False)
         vbox.pack_start(failure_report, False, False)
 
         test_widget = gtk.EventBox()
         test_widget.modify_bg(gtk.STATE_NORMAL, ful.BLACK)
         test_widget.add(vbox)
 
         self._ft_state.run_test_widget(
             test_widget=test_widget,
             test_widget_size=test_widget_size,
             window_registration_callback=self.register_callbacks)
 
         factory.log('%s run_once finished' % self.__class__)