src/third_party/trace-viewer/trace_viewer/tracing/importer/gzip_importer_test.html

   1 <!DOCTYPE html>
   2 <!--
   3 Copyright (c) 2013 The Chromium Authors. All rights reserved.
   4 Use of this source code is governed by a BSD-style license that can be
   5 found in the LICENSE file.
   6 -->
   7
   8 <link rel="import" href="/tracing/test_utils.html">
   9 <link rel="import" href="/tracing/importer/gzip_importer.html">
  10 <link rel="import" href="/tracing/importer/trace_event_importer.html">
  11
  12 <script>
  13 'use strict';
  14
  15 tv.unittest.testSuite(function() {
  16   var findSliceNamed = tracing.test_utils.findSliceNamed;
  17   var original_data =
  18       '[{"name":"a","args":{},"pid":52,"ts":520,"cat":"foo","tid":53,' +
  19       '"ph":"B"},{"name":"a","args":{},"pid":52,"ts":520,"cat":"foo",' +
  20       '"tid":53,"ph":"E"}]\n';
  21   var gzip_data_base64 =
  22       'H4sICHr4HVIAA3RyYWNlAIuuVspLzE1VslJKVNJRSixKL1ayqq7VUSrITFGy' +
  23       'MjXSUSopBtEGOkrJiSVAVWn5+UB1JWBZY6CyDKCYk1KtDhWMcVWqjeUCALak' +
  24       'EH+QAAAA';
  25
  26   test('failImportEmpty', function() {
  27     self.assertFalse(tracing.importer.GzipImporter.canImport([]));
  28     self.assertFalse(tracing.importer.GzipImporter.canImport(''));
  29   });
  30
  31   test('inflateString', function() {
  32     // Test inflating the data from a string.
  33     var gzip_data = atob(gzip_data_base64);
  34     var importer = new tracing.importer.GzipImporter(null, gzip_data);
  35     self.assertTrue(tracing.importer.GzipImporter.canImport(gzip_data));
  36     self.assertEquals(original_data, importer.extractSubtraces()[0]);
  37   });
  38
  39   test('inflateArrayBuffer', function() {
  40     // Test inflating the data from an ArrayBuffer.
  41     var gzip_data = atob(gzip_data_base64);
  42     var buffer = new ArrayBuffer(gzip_data.length);
  43     var view = new Uint8Array(buffer);
  44     for (var i = 0; i < gzip_data.length; i++)
  45       view[i] = gzip_data.charCodeAt(i);
  46     var importer = new tracing.importer.GzipImporter(null, buffer);
  47     self.assertTrue(tracing.importer.GzipImporter.canImport(buffer));
  48     self.assertEquals(original_data, importer.extractSubtraces()[0]);
  49   });
  50
  51   test('import', function() {
  52     var gzip_data = atob(gzip_data_base64);
  53     self.assertTrue(tracing.importer.GzipImporter.canImport(gzip_data));
  54
  55     var model = new tracing.TraceModel(gzip_data);
  56     var threads = model.getAllThreads();
  57     self.assertEquals(threads.length, 1);
  58
  59     var slice = findSliceNamed(threads[0].sliceGroup, 'a');
  60     self.assertEquals(slice.category, 'foo');
  61   });
  62
  63   test('importXMLHttpRequest', function() {
  64     var req = new XMLHttpRequest();
  65     var url = '/test_data/simple_trace_gz.gz';
  66     req.open('GET', url, false);
  67     req.overrideMimeType('text/plain; charset=x-user-defined');
  68     req.send(null);
  69     var gzip_data = req.responseText;
  70     self.assertTrue(tracing.importer.GzipImporter.canImport(gzip_data));
  71
  72     var model = new tracing.TraceModel(gzip_data);
  73     var threads = model.getAllThreads();
  74     self.assertEquals(threads.length, 2);
  75
  76     var slice = findSliceNamed(threads[0].sliceGroup, 'B');
  77     self.assertEquals(slice.category, 'PERF');
  78
  79   });
  80 });
  81 </script>
  82