chrome/test/data/extensions/api_test/mime_handler_view/index.js

   1 // Copyright 2014 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 'use strict';
   6
   7 // Tests don't start running until an async call to
   8 // chrome.mimeHandlerPrivate.getStreamInfo() completes, so queue any messages
   9 // received until that point.
  10 var queuedMessages = [];
  11
  12 function queueMessage(event) {
  13   queuedMessages.push(event);
  14 }
  15
  16 window.addEventListener('message', queueMessage, false);
  17
  18 var streamDetails;
  19
  20 function fetchUrl(url) {
  21   return new Promise(function(resolve, reject) {
  22     var request = new XMLHttpRequest();
  23     request.onreadystatechange = function() {
  24       if (request.readyState == 4) {
  25         resolve({
  26           status: request.status,
  27           data: request.responseText,
  28         });
  29       }
  30     };
  31     request.open('GET', streamDetails.streamUrl, true);
  32     request.send();
  33   });
  34 }
  35
  36 function expectSuccessfulRead(response) {
  37   chrome.test.assertEq(200, response.status);
  38   chrome.test.assertEq('content to read\n', response.data);
  39 }
  40
  41 function expectSuccessfulReadLong(response) {
  42   chrome.test.assertEq(200, response.status);
  43   chrome.test.assertTrue(response.data.indexOf('content to read\n') === 0);
  44 }
  45
  46 function checkStreamDetails(name, embedded) {
  47   checkStreamDetailsNoFile();
  48   chrome.test.assertEq(embedded, streamDetails.embedded);
  49   chrome.test.assertTrue(streamDetails.originalUrl.indexOf(name) != -1);
  50   chrome.test.assertEq('text/csv',
  51                        streamDetails.responseHeaders['Content-Type']);
  52 }
  53
  54 function checkStreamDetailsNoFile() {
  55   chrome.test.assertEq('text/csv', streamDetails.mimeType);
  56   chrome.test.assertTrue(streamDetails.tabId != -1);
  57 }
  58
  59 var tests = [
  60   function testBasic() {
  61     checkStreamDetails('testBasic.csv', false);
  62     fetchUrl(streamDetails.streamUrl)
  63         .then(expectSuccessfulRead)
  64         .then(chrome.test.succeed);
  65   },
  66
  67   function testEmbedded() {
  68     checkStreamDetails('testEmbedded.csv', true);
  69     fetchUrl(streamDetails.streamUrl)
  70         .then(expectSuccessfulRead)
  71         .then(chrome.test.succeed);
  72   },
  73
  74   function testIframe() {
  75     checkStreamDetails('testIframe.csv', true);
  76     var printMessageArrived = new Promise(function(resolve, reject) {
  77       window.addEventListener('message', function(event) {
  78         chrome.test.assertEq('print', event.data.type);
  79         resolve();
  80       }, false);
  81     });
  82     var contentRead = fetchUrl(streamDetails.streamUrl)
  83         .then(expectSuccessfulRead);
  84     Promise.all([printMessageArrived, contentRead]).then(chrome.test.succeed);
  85   },
  86
  87   function testAbort() {
  88     checkStreamDetails('testAbort.csv', false);
  89     chrome.mimeHandlerPrivate.abortStream(function() {
  90       fetchUrl(streamDetails.streamUrl).then(function(response) {
  91         chrome.test.assertEq(404, response.status);
  92         chrome.test.assertEq('', response.data);
  93         chrome.test.succeed();
  94       });
  95     });
  96   },
  97
  98   function testNonAsciiHeaders() {
  99     checkStreamDetails('testNonAsciiHeaders.csv', false);
 100     chrome.test.assertEq(undefined,
 101                          streamDetails.responseHeaders['Content-Disposition']);
 102     chrome.test.assertEq(undefined,
 103                          streamDetails.responseHeaders['ü']);
 104     chrome.test.succeed();
 105   },
 106
 107   function testPostMessage() {
 108     var expectedMessages = ['hey', 100, 25.0];
 109     var messagesReceived = 0;
 110     function handleMessage(event) {
 111       if (event.data == 'succeed' &&
 112           messagesReceived == expectedMessages.length) {
 113         chrome.test.succeed();
 114       } else if (event.data == 'fail') {
 115         chrome.test.fail();
 116       } else if (event.data == expectedMessages[messagesReceived]) {
 117         event.source.postMessage(event.data, '*');
 118         messagesReceived++;
 119       } else {
 120         chrome.test.fail('unexpected message ' + event.data);
 121       }
 122     }
 123     window.addEventListener('message', handleMessage, false);
 124     while (queuedMessages.length) {
 125       handleMessage(queuedMessages.shift());
 126     }
 127   },
 128
 129   function testDataUrl() {
 130     // TODO(raymes): have separate checks for embedded/unembedded data URLs.
 131     checkStreamDetailsNoFile();
 132     fetchUrl(streamDetails.streamUrl)
 133         .then(expectSuccessfulRead)
 134         .then(chrome.test.succeed);
 135   },
 136
 137   function testDataUrlLong() {
 138     checkStreamDetailsNoFile();
 139     fetchUrl(streamDetails.streamUrl)
 140         .then(expectSuccessfulReadLong)
 141         .then(chrome.test.succeed);
 142   },
 143
 144   function testResizeBeforeAttach() {
 145     checkStreamDetails('testResizeBeforeAttach.csv', true);
 146     chrome.test.succeed();
 147   }
 148 ];
 149
 150 var testsByName = {};
 151 for (let i = 0; i < tests.length; i++) {
 152   testsByName[tests[i].name] = tests[i];
 153 }
 154
 155 chrome.mimeHandlerPrivate.getStreamInfo(function(streamInfo) {
 156   if (!streamInfo)
 157     return;
 158
 159   // If the name of the file we're handling matches the name of a test, run that
 160   // test.
 161   var urlComponents = streamInfo.originalUrl.split('/');
 162   var test = urlComponents[urlComponents.length - 1].split('.')[0];
 163   streamDetails = streamInfo;
 164   if (testsByName[test]) {
 165     window.removeEventListener('message', queueMessage);
 166     chrome.test.runTests([testsByName[test]]);
 167   }
 168
 169   // Run the test for data URLs.
 170   if (streamInfo.originalUrl.indexOf("data:") === 0) {
 171     window.removeEventListener('message', queueMessage);
 172     // Long data URLs get truncated.
 173     if (streamInfo.originalUrl == "data:")
 174       chrome.test.runTests([testsByName['testDataUrlLong']]);
 175     else
 176       chrome.test.runTests([testsByName['testDataUrl']]);
 177   }
 178 });