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