updated test_perf_utils.py, added dump to html

* update TestResults class's dump method by adding ability to save performance
  testing results into html files

Author: samir-nasibli

sdc/tests/tests_perf/test_perf_utils.py

@@ -197,7 +197,9 @@ def get_times(f, *args, iter_number=5):
 
 class TestResults:
     perf_results_xlsx = 'perf_results.xlsx'
+    perf_results_html = 'perf_results.html'
     raw_perf_results_xlsx = 'raw_perf_results.xlsx'
+    raw_perf_results_html = 'raw_perf_results.html'
     index = ['name', 'N', 'type', 'size']
     test_results_data = pandas.DataFrame(index=index)
     logger = setup_logging()
@@ -270,7 +272,7 @@ def print(self):
 
     def dump(self):
         """
-        Dump performance testing results from global data storage to excel
+        Dump performance testing results from global data storage to excel and html
         """
         # openpyxl need to be installed
 
@@ -281,13 +283,28 @@ def dump(self):
             msg = 'Could not dump the results to "%s": %s'
             self.logger.warning(msg, self.perf_results_xlsx, e)
 
+        try:
+            with open(self.perf_results_html, 'w') as the_file:
+                the_file.write(self.grouped_data.to_html())
+        except IOError as e:
+            msg = 'Could not dump raw results to "%s": %s'
+            self.logger.warning(msg, self.perf_results_html, e)
+
         try:
             with pandas.ExcelWriter(self.raw_perf_results_xlsx) as writer:
                 self.test_results_data.to_excel(writer, index=False)
         except ModuleNotFoundError as e:
             msg = 'Could not dump raw results to "%s": %s'
             self.logger.warning(msg, self.raw_perf_results_xlsx, e)
 
+        try:
+            with open(self.raw_perf_results_html, 'w') as the_file:
+                the_file.write(self.test_results_data.to_html())
+        except IOError as e:
+            msg = 'Could not dump raw results to "%s": %s'
+            self.logger.warning(msg, self.raw_perf_results_html, e)
+
+
     def load(self):
         """
         Load existing performance testing results from excel to global data storage