// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
'use strict';
/**
* Metadata of a healthy file used to read contents from.
* @type {Object}
* @const
*/
var TESTING_TIRAMISU_FILE = Object.freeze({
isDirectory: false,
name: 'tiramisu.txt',
size: 1337,
modificationTime: new Date(2014, 1, 25, 7, 36, 12)
});
/**
* Callback called when reading of a file is invoked.
* @type {?function()}
*/
var readBreakpointCallback = null;
/**
* Handles reading, but never calls a callback in order to keep the file opened
* for tests.
*
* @param {ReadFileRequestedOptions} options Options.
* @param {function(ArrayBuffer, boolean)} onSuccess Success callback with a
* chunk of data, and information if more data will be provided later.
* @param {function(string)} onError Error callback.
*/
function onReadFileRequested(options, onSuccess, onError) {
readBreakpointCallback();
// Do not invoke any callback to avoid closing the file.
}
/**
* Sets up the tests. Called once per all test cases. For each test case,
* setUpFileSystem() must to be called with additional, test-case specific
* options.
*/
function setUp() {
chrome.fileSystemProvider.onGetMetadataRequested.addListener(
test_util.onGetMetadataRequestedDefault);
chrome.fileSystemProvider.onOpenFileRequested.addListener(
test_util.onOpenFileRequested);
chrome.fileSystemProvider.onCloseFileRequested.addListener(
test_util.onCloseFileRequested);
test_util.defaultMetadata['/' + TESTING_TIRAMISU_FILE.name] =
TESTING_TIRAMISU_FILE;
chrome.fileSystemProvider.onReadFileRequested.addListener(
onReadFileRequested);
}
/**
* Runs all of the test cases, one by one.
*/
function runTests() {
chrome.test.runTests([
// Verifies if getAll() returns the mounted file system.
function mountSuccess() {
test_util.mountFileSystem(
chrome.test.callbackPass(function() {
// Start reading a file in order to open it. Note, that there is no
// way to directly open a file from JavaScript.
test_util.fileSystem.root.getFile(
TESTING_TIRAMISU_FILE.name,
{create: false},
chrome.test.callbackPass(function(fileEntry) {
fileEntry.file(chrome.test.callbackPass(function(file) {
var fileReader = new FileReader();
readBreakpointCallback = chrome.test.callbackPass(
function() {
chrome.fileSystemProvider.getAll(
chrome.test.callbackPass(function(fileSystems) {
chrome.test.assertEq(1, fileSystems.length);
chrome.test.assertEq(
test_util.FILE_SYSTEM_ID,
fileSystems[0].fileSystemId);
chrome.test.assertEq(
test_util.FILE_SYSTEM_NAME,
fileSystems[0].displayName);
chrome.test.assertTrue(
fileSystems[0].writable);
chrome.test.assertEq(2,
fileSystems[0].openedFilesLimit);
chrome.test.assertEq(
1, fileSystems[0].openedFiles.length);
chrome.test.assertEq(
'/' + TESTING_TIRAMISU_FILE.name,
fileSystems[0].openedFiles[0].filePath);
chrome.test.assertEq(
chrome.fileSystemProvider.OpenFileMode.READ,
fileSystems[0].openedFiles[0].mode);
}));
chrome.fileSystemProvider.get(
test_util.FILE_SYSTEM_ID,
chrome.test.callbackPass(function(fileSystem) {
chrome.test.assertEq(
test_util.FILE_SYSTEM_ID,
fileSystem.fileSystemId);
chrome.test.assertEq(
test_util.FILE_SYSTEM_NAME,
fileSystem.displayName);
chrome.test.assertTrue(fileSystem.writable);
chrome.test.assertEq(2,
fileSystem.openedFilesLimit);
chrome.test.assertEq(
1, fileSystem.openedFiles.length);
chrome.test.assertEq(
'/' + TESTING_TIRAMISU_FILE.name,
fileSystem.openedFiles[0].filePath);
chrome.test.assertEq(
chrome.fileSystemProvider.OpenFileMode.READ,
fileSystem.openedFiles[0].mode);
}));
});
fileReader.readAsText(file);
}),
function(error) {
chrome.test.fail(error.name);
});
}),
function(error) {
chrome.test.fail(error.name);
});
}), {writable: true, openedFilesLimit: 2});
},
// Verifies that after unmounting, the file system is not available in
// getAll() list.
function unmountSuccess() {
chrome.fileSystemProvider.unmount(
{fileSystemId: test_util.FILE_SYSTEM_ID},
chrome.test.callbackPass(function() {
chrome.fileSystemProvider.getAll(chrome.test.callbackPass(
function(fileSystems) {
chrome.test.assertEq(0, fileSystems.length);
}));
chrome.fileSystemProvider.get(
test_util.FILE_SYSTEM_ID,
chrome.test.callbackFail('NOT_FOUND'));
}));
},
// Verifies that if mounting fails, then the file system is not added to the
// getAll() list.
function mountError() {
chrome.fileSystemProvider.mount({
fileSystemId: '',
displayName: ''
}, chrome.test.callbackFail('INVALID_OPERATION', function() {
chrome.fileSystemProvider.getAll(chrome.test.callbackPass(
function(fileSystems) {
chrome.test.assertEq(0, fileSystems.length);
}));
chrome.fileSystemProvider.get(
test_util.FILE_SYSTEM_ID,
chrome.test.callbackFail('NOT_FOUND'));
}));
}
]);
}
// Setup and run all of the test cases.
setUp();
runTests();
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