sku-pg
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Skulpt is a Javascript implementation of Python 2.x. Python that runs in your browser!
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<html>
<!--
Copyright 2011 The Closure Library Authors. All Rights Reserved.
Use of this source code is governed by the Apache License, Version 2.0.
See the COPYING file for details.
-->
<!--
-->
<head>
<title>Closure Integration Tests - goog.testing.fs</title>
<script src="../../base.js"></script>
<script>
goog.require('goog.async.Deferred');
goog.require('goog.async.DeferredList');
goog.require('goog.testing.fs');
goog.require('goog.fs.DirectoryEntry.Behavior');
goog.require('goog.testing.AsyncTestCase');
goog.require('goog.testing.PropertyReplacer');
goog.require('goog.testing.jsunit');
</script>
</head>
<body>
<div id="closureTestRunnerLog"></div>
<script>
var TEST_DIR = 'goog-fs-test-dir';
var deferredFs = goog.testing.fs.getTemporary();
var asyncTestCase = goog.testing.AsyncTestCase.createAndInstall();
function setUpPage() {
goog.testing.fs.install(new goog.testing.PropertyReplacer());
}
function tearDown() {
loadTestDir().
addCallback(function(dir) { return dir.removeRecursively(); }).
addBoth(continueTesting);
asyncTestCase.waitForAsync('removing filesystem');
}
function testWriteFile() {
loadFile('test', goog.fs.DirectoryEntry.Behavior.CREATE).
addCallback(goog.partial(writeToFile, 'test content')).
addCallback(goog.partial(checkFileContent, 'test content')).
addBoth(continueTesting);
asyncTestCase.waitForAsync('testWriteFile');
}
function testRemoveFile() {
loadFile('test', goog.fs.DirectoryEntry.Behavior.CREATE).
addCallback(goog.partial(writeToFile, 'test content')).
addCallback(function(fileEntry) { return fileEntry.remove(); }).
addCallback(goog.partial(checkFileRemoved, 'test')).
addBoth(continueTesting);
asyncTestCase.waitForAsync('testRemoveFile');
}
function testMoveFile() {
var deferredSubdir = loadDirectory(
'subdir', goog.fs.DirectoryEntry.Behavior.CREATE);
var deferredWrittenFile =
loadFile('test', goog.fs.DirectoryEntry.Behavior.CREATE).
addCallback(goog.partial(writeToFile, 'test content'));
goog.async.DeferredList.gatherResults([deferredSubdir, deferredWrittenFile]).
addCallback(splitArgs(function(dir, fileEntry) {
return fileEntry.moveTo(dir);
})).
addCallback(goog.partial(checkFileContent, 'test content')).
addCallback(goog.partial(checkFileRemoved, 'test')).
addBoth(continueTesting);
asyncTestCase.waitForAsync('testMoveFile');
}
function testCopyFile() {
var deferredFile = loadFile('test', goog.fs.DirectoryEntry.Behavior.CREATE);
var deferredSubdir = loadDirectory(
'subdir', goog.fs.DirectoryEntry.Behavior.CREATE);
var deferredWrittenFile = deferredFile.branch().
addCallback(goog.partial(writeToFile, 'test content'));
goog.async.DeferredList.gatherResults([deferredSubdir, deferredWrittenFile]).
addCallback(splitArgs(function(dir, fileEntry) {
return fileEntry.copyTo(dir);
})).
addCallback(goog.partial(checkFileContent, 'test content')).
awaitDeferred(deferredFile).
addCallback(goog.partial(checkFileContent, 'test content')).
addBoth(continueTesting);
asyncTestCase.waitForAsync('testCopyFile');
}
function testAbortWrite() {
var deferredFile = loadFile('test', goog.fs.DirectoryEntry.Behavior.CREATE);
deferredFile.branch().
addCallback(goog.partial(startWrite, 'test content')).
addCallback(function(writer) { writer.abort(); }).
addCallback(
goog.partial(waitForEvent, goog.fs.FileSaver.EventType.ABORT)).
awaitDeferred(deferredFile).
addCallback(goog.partial(checkFileContent, '')).
addBoth(continueTesting);
asyncTestCase.waitForAsync('testAbortWrite');
}
function testSeek() {
var deferredFile = loadFile('test', goog.fs.DirectoryEntry.Behavior.CREATE);
deferredFile.branch().
addCallback(goog.partial(writeToFile, 'test content')).
addCallback(function(fileEntry) { return fileEntry.createWriter(); }).
addCallback(
goog.partial(checkReadyState, goog.fs.FileSaver.ReadyState.INIT)).
addCallback(function(writer) {
writer.seek(5);
writer.write(goog.fs.getBlob('stuff and things'));
}).
addCallback(
goog.partial(checkReadyState, goog.fs.FileSaver.ReadyState.WRITING)).
addCallback(
goog.partial(waitForEvent, goog.fs.FileSaver.EventType.WRITE)).
awaitDeferred(deferredFile).
addCallback(goog.partial(checkFileContent, 'test stuff and things')).
addBoth(continueTesting);
asyncTestCase.waitForAsync('testSeek');
}
function testTruncate() {
var deferredFile = loadFile('test', goog.fs.DirectoryEntry.Behavior.CREATE);
deferredFile.branch().
addCallback(goog.partial(writeToFile, 'test content')).
addCallback(function(fileEntry) { return fileEntry.createWriter(); }).
addCallback(
goog.partial(checkReadyState, goog.fs.FileSaver.ReadyState.INIT)).
addCallback(function(writer) { writer.truncate(4); }).
addCallback(
goog.partial(checkReadyState, goog.fs.FileSaver.ReadyState.WRITING)).
addCallback(
goog.partial(waitForEvent, goog.fs.FileSaver.EventType.WRITE)).
awaitDeferred(deferredFile).
addCallback(goog.partial(checkFileContent, 'test')).
addBoth(continueTesting);
asyncTestCase.waitForAsync('testTruncate');
}
function continueTesting(result) {
asyncTestCase.continueTesting();
if (result instanceof Error) {
throw result;
}
}
function loadTestDir() {
return deferredFs.branch().addCallback(function(fs) {
return fs.getRoot().getDirectory(
TEST_DIR, goog.fs.DirectoryEntry.Behavior.CREATE);
});
}
function loadFile(filename, behavior) {
return loadTestDir().addCallback(function(dir) {
return dir.getFile(filename, behavior);
});
}
function loadDirectory(filename, behavior) {
return loadTestDir().addCallback(function(dir) {
return dir.getDirectory(filename, behavior);
});
}
function startWrite(content, fileEntry) {
return fileEntry.createWriter().
addCallback(
goog.partial(checkReadyState, goog.fs.FileSaver.ReadyState.INIT)).
addCallback(function(writer) {
writer.write(goog.fs.getBlob(content));
return writer;
}).
addCallback(
goog.partial(checkReadyState, goog.fs.FileSaver.ReadyState.WRITING));
}
function waitForEvent(type, target) {
var d = new goog.async.Deferred();
goog.events.listenOnce(target, type, d.callback, false, d);
return d;
}
function writeToFile(content, fileEntry) {
return startWrite(content, fileEntry).
addCallback(
goog.partial(waitForEvent, goog.fs.FileSaver.EventType.WRITE)).
addCallback(function() { return fileEntry; });
}
function checkFileContent(content, fileEntry) {
return fileEntry.file().
addCallback(function(blob) { return goog.fs.blobToString(blob); }).
addCallback(goog.partial(assertEquals, content));
}
function checkFileRemoved(filename) {
return loadFile(filename).
addCallback(goog.partial(fail, 'expected file to be removed')).
addErrback(function(err) {
assertEquals(err.code, goog.fs.Error.ErrorCode.NOT_FOUND);
return true; // Go back to callback path
});
}
function checkReadyState(expectedState, writer) {
assertEquals(expectedState, writer.getReadyState());
}
function splitArgs(fn) {
return function(args) { return fn(args[0], args[1]); };
}
</script>
</body>
</html>