src/tools/telemetry/telemetry/page/block_page_measurement_results.py

   1 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 # Use of this source code is governed by a BSD-style license that can be
   3 # found in the LICENSE file.
   4 import os
   5
   6 from telemetry.page import page_measurement_results
   7
   8 class BlockPageMeasurementResults(
   9     page_measurement_results.PageMeasurementResults):
  10   def __init__(self, output_file):
  11     super(BlockPageMeasurementResults, self).__init__()
  12     self._output_file = output_file
  13
  14   def DidMeasurePage(self):
  15     page_values = self.values_for_current_page
  16
  17     if not page_values.values:
  18       # Do not output if no results were added on this page.
  19       super(BlockPageMeasurementResults, self).DidMeasurePage()
  20       return
  21
  22     lines = ['name: %s' %
  23              self.values_for_current_page.page.display_name]
  24     sorted_measurement_names = page_values.measurement_names
  25     sorted_measurement_names.sort()
  26
  27     for measurement_name in sorted_measurement_names:
  28       value = page_values.FindValueByMeasurementName(measurement_name)
  29       lines.append('%s (%s): %s' %
  30                  (measurement_name,
  31                   value.units,
  32                   value.output_value))
  33     for line in lines:
  34       self._output_file.write(line)
  35       self._output_file.write(os.linesep)
  36     self._output_file.write(os.linesep)
  37     self._output_file.flush()
  38
  39     super(BlockPageMeasurementResults, self).DidMeasurePage()