chrome/test/data/extensions/api_test/file_system_provider/unmount/test.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 /**
   8  * @type {string}
   9  * @const
  10  */
  11 var FIRST_FILE_SYSTEM_ID = 'vanilla';
  12
  13 /**
  14  * @type {string}
  15  * @const
  16  */
  17 var SECOND_FILE_SYSTEM_ID = 'ice-cream';
  18
  19 /**
  20  * Sets up the tests. Called once per all test cases. In case of a failure,
  21  * the callback is not called.
  22  *
  23  * @param {function()} callback Success callback.
  24  */
  25 function setUp(callback) {
  26   Promise.race([
  27     new Promise(function(fulfill, reject) {
  28       chrome.fileSystemProvider.mount(
  29           {fileSystemId: FIRST_FILE_SYSTEM_ID, displayName: 'vanilla.zip'},
  30           chrome.test.callbackPass(fulfill));
  31     }),
  32     new Promise(function(fulfill, reject) {
  33       chrome.fileSystemProvider.mount(
  34           {fileSystemId: SECOND_FILE_SYSTEM_ID, displayName: 'ice-cream.zip'},
  35           chrome.test.callbackPass(fulfill));
  36     })
  37   ]).then(callback).catch(function(error) {
  38     chrome.test.fail(error.stack || error);
  39   });
  40 }
  41
  42 /**
  43  * Runs all of the test cases, one by one.
  44  */
  45 function runTests() {
  46   chrome.test.runTests([
  47     // Tests the fileSystemProvider.unmount(). Verifies if the unmount event
  48     // is emitted by VolumeManager.
  49     function unmount() {
  50       var onMountCompleted = function(event) {
  51         chrome.test.assertEq('unmount', event.eventType);
  52         chrome.test.assertEq('success', event.status);
  53         chrome.test.assertEq(
  54             chrome.runtime.id, event.volumeMetadata.extensionId);
  55         chrome.test.assertEq(
  56             FIRST_FILE_SYSTEM_ID, event.volumeMetadata.fileSystemId);
  57         chrome.fileManagerPrivate.onMountCompleted.removeListener(
  58             onMountCompleted);
  59       };
  60
  61       chrome.fileManagerPrivate.onMountCompleted.addListener(
  62           onMountCompleted);
  63       chrome.fileSystemProvider.unmount(
  64           {fileSystemId: FIRST_FILE_SYSTEM_ID},
  65           chrome.test.callbackPass());
  66     },
  67
  68     // Tests the fileSystemProvider.unmount() with a wrong id. Verifies that
  69     // it fails with a correct error code.
  70     function unmountWrongId() {
  71       chrome.fileSystemProvider.unmount(
  72           {fileSystemId: 'wrong-fs-id'},
  73           chrome.test.callbackFail('NOT_FOUND'));
  74     },
  75
  76     // Tests if fileManagerPrivate.removeMount() for provided file systems emits
  77     // the onMountRequested() event with correct arguments.
  78     function requestUnmountSuccess() {
  79       var onUnmountRequested = chrome.test.callbackPass(
  80           function(options, onSuccess, onError) {
  81         chrome.test.assertEq(SECOND_FILE_SYSTEM_ID, options.fileSystemId);
  82         // Not calling fileSystemProvider.unmount(), so the onMountCompleted
  83         // event will not be raised.
  84         chrome.fileSystemProvider.onUnmountRequested.removeListener(
  85             onUnmountRequested);
  86         onSuccess();
  87       });
  88
  89       chrome.fileSystemProvider.onUnmountRequested.addListener(
  90           onUnmountRequested);
  91
  92       test_util.getVolumeInfo(SECOND_FILE_SYSTEM_ID, function(volumeInfo) {
  93         chrome.test.assertTrue(!!volumeInfo);
  94         chrome.fileManagerPrivate.removeMount(volumeInfo.volumeId);
  95       });
  96     },
  97
  98     // End to end test with a failure. Invokes fileSystemProvider.removeMount()
  99     // on a provided file system, and verifies (1) if the onMountRequested()
 100     // event is called with correct aguments, and (2) if calling onError(),
 101     // results in an unmount event fired from the VolumeManager instance.
 102     function requestUnmountError() {
 103       var unmountRequested = false;
 104
 105       var onUnmountRequested = function(options, onSuccess, onError) {
 106         chrome.test.assertEq(false, unmountRequested);
 107         chrome.test.assertEq(SECOND_FILE_SYSTEM_ID, options.fileSystemId);
 108         onError('IN_USE');  // enum ProviderError.
 109         unmountRequested = true;
 110         chrome.fileSystemProvider.onUnmountRequested.removeListener(
 111             onUnmountRequested);
 112       };
 113
 114       var onMountCompleted = chrome.test.callbackPass(function(event) {
 115         chrome.test.assertEq('unmount', event.eventType);
 116         chrome.test.assertEq('error_unknown', event.status);
 117         chrome.test.assertEq(
 118             chrome.runtime.id, event.volumeMetadata.extensionId);
 119         chrome.test.assertEq(
 120             SECOND_FILE_SYSTEM_ID, event.volumeMetadata.fileSystemId);
 121         chrome.test.assertTrue(unmountRequested);
 122
 123         // Remove the handlers and mark the test as succeeded.
 124         chrome.fileManagerPrivate.removeMount(SECOND_FILE_SYSTEM_ID);
 125         chrome.fileManagerPrivate.onMountCompleted.removeListener(
 126             onMountCompleted);
 127       });
 128
 129       chrome.fileSystemProvider.onUnmountRequested.addListener(
 130           onUnmountRequested);
 131       chrome.fileManagerPrivate.onMountCompleted.addListener(onMountCompleted);
 132
 133       test_util.getVolumeInfo(SECOND_FILE_SYSTEM_ID, function(volumeInfo) {
 134         chrome.test.assertTrue(!!volumeInfo);
 135         chrome.fileManagerPrivate.removeMount(volumeInfo.volumeId);
 136       });
 137     }
 138   ]);
 139 }
 140
 141 // Setup and run all of the test cases.
 142 setUp(runTests);