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<!--
Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/
-->
<html>
<head>
<title>Indexed Database Property Test</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
<script type="text/javascript;version=1.7">
function testSteps()
{
info("Setting up test fixtures: create an IndexedDB database and object store.");
let request = indexedDB.open(window.location.pathname, 1);
request.onerror = errorHandler;
request.onupgradeneeded = grabEventAndContinueHandler;
request.onsuccess = unexpectedSuccessHandler;
let event = yield undefined;
let db = event.target.result;
db.onerror = errorHandler;
let objectStore = db.createObjectStore("foo", { autoIncrement: true });
let index = objectStore.createIndex("foo", "index");
request.onsuccess = grabEventAndContinueHandler;
event = yield undefined;
info("Let's create a blob and store it in IndexedDB twice.");
const BLOB_DATA = ["fun ", "times ", "all ", "around!"];
const INDEX_KEY = 5;
let blob = new Blob(BLOB_DATA, { type: "text/plain" });
let data = { blob: blob, index: INDEX_KEY };
objectStore = db.transaction("foo", "readwrite").objectStore("foo");
objectStore.add(data).onsuccess = grabEventAndContinueHandler;
event = yield undefined;
info("Added blob to database once");
let key = event.target.result;
objectStore.add(data).onsuccess = grabEventAndContinueHandler;
event = yield undefined;
info("Added blob to database twice");
info("Let's retrieve the blob again and verify the contents is the same.");
objectStore = db.transaction("foo").objectStore("foo");
objectStore.get(key).onsuccess = grabEventAndContinueHandler;
event = yield undefined;
info("Got blob from database");
let fileReader = new FileReader();
fileReader.onload = grabEventAndContinueHandler;
fileReader.readAsText(event.target.result.blob);
event = yield undefined;
is(event.target.result, BLOB_DATA.join(""), "Correct text");
info("Let's retrieve it again, create an object URL for the blob, load" +
"it via an XMLHttpRequest, and verify the contents is the same.");
objectStore = db.transaction("foo").objectStore("foo");
objectStore.get(key).onsuccess = grabEventAndContinueHandler;
event = yield undefined;
info("Got blob from database");
let blobURL = URL.createObjectURL(event.target.result.blob);
let xhr = new XMLHttpRequest();
xhr.open("GET", blobURL);
xhr.onload = grabEventAndContinueHandler;
xhr.send();
yield undefined;
URL.revokeObjectURL(blobURL);
is(xhr.responseText, BLOB_DATA.join(""), "Correct responseText");
info("Retrieve both blob entries from the database and verify contents.");
objectStore = db.transaction("foo").objectStore("foo");
objectStore.mozGetAll().onsuccess = grabEventAndContinueHandler;
event = yield undefined;
is(event.target.result.length, 2, "Got right number of items");
fileReader = new FileReader();
fileReader.onload = grabEventAndContinueHandler;
fileReader.readAsText(event.target.result[0].blob);
event = yield undefined;
is(event.target.result, BLOB_DATA.join(""), "Correct text");
let cursorResults = [];
objectStore = db.transaction("foo").objectStore("foo");
objectStore.openCursor().onsuccess = function(event) {
let cursor = event.target.result;
if (cursor) {
info("Got item from cursor");
cursorResults.push(cursor.value);
cursor.continue();
}
else {
info("Finished cursor");
continueToNextStep();
}
};
yield undefined;
is(cursorResults.length, 2, "Got right number of items");
fileReader = new FileReader();
fileReader.onload = grabEventAndContinueHandler;
fileReader.readAsText(cursorResults[0].blob);
event = yield undefined;
is(event.target.result, BLOB_DATA.join(""), "Correct text");
info("Retrieve blobs from database via index and verify contents.");
index = db.transaction("foo").objectStore("foo").index("foo");
index.get(INDEX_KEY).onsuccess = grabEventAndContinueHandler;
event = yield undefined;
info("Got blob from database");
fileReader = new FileReader();
fileReader.onload = grabEventAndContinueHandler;
fileReader.readAsText(event.target.result.blob);
event = yield undefined;
is(event.target.result, BLOB_DATA.join(""), "Correct text");
index = db.transaction("foo").objectStore("foo").index("foo");
index.mozGetAll().onsuccess = grabEventAndContinueHandler;
event = yield undefined;
is(event.target.result.length, 2, "Got right number of items");
fileReader = new FileReader();
fileReader.onload = grabEventAndContinueHandler;
fileReader.readAsText(event.target.result[0].blob);
event = yield undefined;
is(event.target.result, BLOB_DATA.join(""), "Correct text");
cursorResults = [];
index = db.transaction("foo").objectStore("foo").index("foo");
index.openCursor().onsuccess = function(event) {
let cursor = event.target.result;
if (cursor) {
info("Got item from cursor");
cursorResults.push(cursor.value);
cursor.continue();
}
else {
info("Finished cursor");
continueToNextStep();
}
};
yield undefined;
is(cursorResults.length, 2, "Got right number of items");
fileReader = new FileReader();
fileReader.onload = grabEventAndContinueHandler;
fileReader.readAsText(cursorResults[0].blob);
event = yield undefined;
is(event.target.result, BLOB_DATA.join(""), "Correct text");
fileReader = new FileReader();
fileReader.onload = grabEventAndContinueHandler;
fileReader.readAsText(cursorResults[1].blob);
event = yield undefined;
is(event.target.result, BLOB_DATA.join(""), "Correct text");
info("Slice the the retrieved blob and verify its contents.");
let slice = cursorResults[1].blob.slice(0, BLOB_DATA[0].length);
fileReader = new FileReader();
fileReader.onload = grabEventAndContinueHandler;
fileReader.readAsText(slice);
event = yield undefined;
is(event.target.result, BLOB_DATA[0], "Correct text");
info("Send blob to a worker, read its contents there, and verify results.");
function workerScript() {
onmessage = function(event) {
var reader = new FileReaderSync();
postMessage(reader.readAsText(event.data));
var slice = event.data.slice(1, 2);
postMessage(reader.readAsText(slice));
}
}
let url =
URL.createObjectURL(new Blob(["(", workerScript.toSource(), ")()"]));
let worker = new Worker(url);
worker.postMessage(slice);
worker.onmessage = grabEventAndContinueHandler;
event = yield undefined;
is(event.data, BLOB_DATA[0], "Correct text");
event = yield undefined;
is(event.data, BLOB_DATA[0][1], "Correct text");
info("Store a blob back in the database, and keep holding on to the " +
"blob, verifying that it still can be read.");
objectStore = db.transaction("foo").objectStore("foo");
objectStore.get(key).onsuccess = grabEventAndContinueHandler;
event = yield undefined;
let blobFromDB = event.target.result.blob;
info("Got blob from database");
let txn = db.transaction("foo", "readwrite");
txn.objectStore("foo").put(event.target.result, key);
txn.oncomplete = grabEventAndContinueHandler;
event = yield undefined;
info("Stored blob back into database");
fileReader = new FileReader();
fileReader.onload = grabEventAndContinueHandler;
fileReader.readAsText(blobFromDB);
event = yield undefined;
is(event.target.result, BLOB_DATA.join(""), "Correct text");
blobURL = URL.createObjectURL(blobFromDB);
xhr = new XMLHttpRequest();
xhr.open("GET", blobURL);
xhr.onload = grabEventAndContinueHandler;
xhr.send();
yield undefined;
URL.revokeObjectURL(blobURL);
is(xhr.responseText, BLOB_DATA.join(""), "Correct responseText");
finishTest();
yield undefined;
}
</script>
<script type="text/javascript;version=1.7" src="helpers.js"></script>
</head>
<body onload="runTest();"></body>
</html>
|
