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<!DOCTYPE html>
<html>
<head>
<title>Test for sending IndexedDB Blobs through MessageManager</title>
<script src="/tests/SimpleTest/SimpleTest.js">
</script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<script type="application/javascript">
"use strict";
async function chromeScriptFunc() {
function childFrameScript() {
/* eslint-env mozilla/frame-script */
"use strict";
const mmName = "test:idb-and-mm";
const dbName = "test_message_manager_ipc.html - CHILD";
const dbVersion = 1;
const objStoreName = "bar";
const key = 1;
const blobData = ["So", " ", "many", " ", "blobs!"];
const blobText = blobData.join("");
const blobType = "text/plain";
function info(msg) {
sendAsyncMessage(mmName, { op: "info", msg });
}
function ok(condition, name, diag) {
sendAsyncMessage(mmName,
{ op: "ok",
condition,
name,
diag });
}
function is(a, b, name) {
let pass = a == b;
let diag = pass ? "" : "got " + a + ", expected " + b;
ok(pass, name, diag);
}
function finish(result) {
sendAsyncMessage(mmName, { op: "done", result });
}
function grabAndContinue(arg) {
testGenerator.next(arg);
}
function errorHandler(event) {
ok(false,
event.target + " received error event: '" + event.target.error.name +
"'");
finish();
}
function* testSteps() {
addMessageListener(mmName, grabAndContinue);
let message = yield undefined;
let blob = message.data;
ok(Blob.isInstance(blob), "Message manager sent a blob");
is(blob.size, blobText.length, "Blob has correct length");
is(blob.type, blobType, "Blob has correct type");
info("Reading blob");
let reader = new FileReader();
reader.addEventListener("load", grabAndContinue);
reader.readAsText(blob);
yield undefined;
is(reader.result, blobText, "Blob has correct data");
let slice = blob.slice(0, blobData[0].length, blobType);
ok(Blob.isInstance(slice), "Slice returned a blob");
is(slice.size, blobData[0].length, "Slice has correct length");
is(slice.type, blobType, "Slice has correct type");
info("Reading slice");
reader = new FileReader();
reader.addEventListener("load", grabAndContinue);
reader.readAsText(slice);
yield undefined;
is(reader.result, blobData[0], "Slice has correct data");
info("Deleting database");
let req = indexedDB.deleteDatabase(dbName);
req.onerror = errorHandler;
req.onsuccess = grabAndContinue;
let event = yield undefined;
is(event.type, "success", "Got success event");
info("Opening database");
req = indexedDB.open(dbName, dbVersion);
req.onerror = errorHandler;
req.onupgradeneeded = grabAndContinue;
req.onsuccess = grabAndContinue;
event = yield undefined;
is(event.type, "upgradeneeded", "Got upgradeneeded event");
event.target.result.createObjectStore(objStoreName);
event = yield undefined;
is(event.type, "success", "Got success event");
let db = event.target.result;
info("Storing blob from message manager in database");
let objectStore =
db.transaction(objStoreName, "readwrite").objectStore(objStoreName);
req = objectStore.add(blob, key);
req.onerror = errorHandler;
req.onsuccess = grabAndContinue;
event = yield undefined;
info("Getting blob from database");
objectStore = db.transaction(objStoreName).objectStore(objStoreName);
req = objectStore.get(key);
req.onerror = errorHandler;
req.onsuccess = grabAndContinue;
event = yield undefined;
blob = event.target.result;
ok(Blob.isInstance(blob), "Database gave us a blob");
is(blob.size, blobText.length, "Blob has correct length");
is(blob.type, blobType, "Blob has correct type");
info("Reading blob");
reader = new FileReader();
reader.addEventListener("load", grabAndContinue);
reader.readAsText(blob);
yield undefined;
is(reader.result, blobText, "Blob has correct data");
info("Storing slice from message manager in database");
objectStore =
db.transaction(objStoreName, "readwrite").objectStore(objStoreName);
req = objectStore.put(slice, key);
req.onerror = errorHandler;
req.onsuccess = grabAndContinue;
event = yield undefined;
info("Getting slice from database");
objectStore = db.transaction(objStoreName).objectStore(objStoreName);
req = objectStore.get(key);
req.onerror = errorHandler;
req.onsuccess = grabAndContinue;
event = yield undefined;
slice = event.target.result;
ok(Blob.isInstance(slice), "Database gave us a blob");
is(slice.size, blobData[0].length, "Slice has correct length");
is(slice.type, blobType, "Slice has correct type");
info("Reading Slice");
reader = new FileReader();
reader.addEventListener("load", grabAndContinue);
reader.readAsText(slice);
yield undefined;
is(reader.result, blobData[0], "Slice has correct data");
info("Sending blob and slice from database to message manager");
finish([blob, slice]);
}
let testGenerator = testSteps();
testGenerator.next();
}
/* globals Services, createWindowlessBrowser */
let { windowlessBrowser, browser } = await createWindowlessBrowser();
const system = Services.scriptSecurityManager.getSystemPrincipal();
browser.loadURI(
Services.io.newURI("data:text/html,<!DOCTYPE HTML><html><body></body></html>"),
{ triggeringPrincipal: system }
);
function finish() {
sendAsyncMessage("done");
windowlessBrowser.close();
}
let mm = browser.messageManager;
const messageName = "test:idb-and-mm";
const blobData = ["So", " ", "many", " ", "blobs!"];
const blobText = blobData.join("");
const blobType = "text/plain";
const blob = new Blob(blobData, { type: blobType });
function grabAndContinue(arg) {
testGenerator.next(arg);
}
function* testSteps() {
let result = yield undefined;
is(Cu.getClassName(result, true), "Array", "Child delivered an array of results");
is(result.length, 2, "Child delivered two results");
let blob = result[0];
is(Blob.isInstance(blob), true, "Child delivered a blob");
is(blob.size, blobText.length, "Blob has correct size");
is(blob.type, blobType, "Blob has correct type");
let slice = result[1];
is(Blob.isInstance(slice), true, "Child delivered a slice");
is(slice.size, blobData[0].length, "Slice has correct size");
is(slice.type, blobType, "Slice has correct type");
info("Reading blob");
let reader = new FileReader();
reader.onload = grabAndContinue;
reader.readAsText(blob);
yield undefined;
is(reader.result, blobText, "Blob has correct data");
info("Reading slice");
reader = new FileReader();
reader.onload = grabAndContinue;
reader.readAsText(slice);
yield undefined;
is(reader.result, blobData[0], "Slice has correct data");
slice = blob.slice(0, blobData[0].length, blobType);
is(Blob.isInstance(slice), true, "Child delivered a slice");
is(slice.size, blobData[0].length, "Second slice has correct size");
is(slice.type, blobType, "Second slice has correct type");
info("Reading second slice");
reader = new FileReader();
reader.onload = grabAndContinue;
reader.readAsText(slice);
yield undefined;
is(reader.result, blobData[0], "Second slice has correct data");
finish();
}
let testGenerator = testSteps();
testGenerator.next();
mm.addMessageListener(messageName, function(message) {
let data = message.data;
switch (data.op) {
case "info": {
info(data.msg);
break;
}
case "ok": {
ok(data.condition, data.name + " - " + data.diag);
break;
}
case "done": {
testGenerator.next(data.result);
break;
}
default: {
ok(false, "Unknown op: " + data.op);
finish();
}
}
});
mm.loadFrameScript(`data:,(${childFrameScript})();`,
false);
mm.sendAsyncMessage(messageName, blob);
}
add_task(async function() {
let chromeScript = SpecialPowers.loadChromeScript(chromeScriptFunc);
await chromeScript.promiseOneMessage("done");
await chromeScript.destroy();
});
</script>
</body>
</html>
|
