chrome/test/ispy/server/debug_view_handler.py

   1 # Copyright 2013 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
   5 """Request handler to display the debug view for a Failure."""
   6
   7 import jinja2
   8 import os
   9 import sys
  10 import webapp2
  11
  12 from common import ispy_utils
  13
  14 import views
  15
  16 JINJA = jinja2.Environment(
  17     loader=jinja2.FileSystemLoader(os.path.dirname(views.__file__)),
  18     extensions=['jinja2.ext.autoescape'])
  19
  20
  21 class DebugViewHandler(webapp2.RequestHandler):
  22   """Request handler to display the debug view for a failure."""
  23
  24   def get(self):
  25     """Handles get requests to the /debug_view page.
  26
  27     GET Parameters:
  28       test_run: The test run.
  29       expectation: The expectation name.
  30     """
  31     test_run = self.request.get('test_run')
  32     expectation = self.request.get('expectation')
  33     expected_path = ispy_utils.GetExpectationPath(expectation, 'expected.png')
  34     actual_path = ispy_utils.GetFailurePath(test_run, expectation, 'actual.png')
  35     data = {}
  36
  37     def _ImagePath(url):
  38       return '/image?file_path=%s' % url
  39
  40     data['expected'] = _ImagePath(expected_path)
  41     data['actual'] = _ImagePath(actual_path)
  42     data['test_run'] = test_run
  43     data['expectation'] = expectation
  44     template = JINJA.get_template('debug_view.html')
  45     self.response.write(template.render(data))