The Tor Browser: dom/indexedDB/test/unit/test_transaction_abort.js@b8a032363ba2 (annotated)

dom/indexedDB/test/unit/test_transaction_abort.js@b8a032363ba2 (annotated)

dom/indexedDB/test/unit/test_transaction_abort.js

Thu, 22 Jan 2015 13:21:57 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 22 Jan 2015 13:21:57 +0100
branch: TOR_BUG_9701
changeset 15: b8a032363ba2
permissions: -rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

 /**
  * Any copyright is dedicated to the Public Domain.
  * http://creativecommons.org/publicdomain/zero/1.0/
  */
 var testGenerator = testSteps();
 var abortFired = false;
 function abortListener(evt)
 {
   abortFired = true;
   is(evt.target.error, null, "Expect a null error for an aborted transaction");
 }
 function testSteps()
 {
   const Ci = Components.interfaces;
   const name = this.window ? window.location.pathname : "Splendid Test";
   let request = indexedDB.open(name, 1);
   request.onerror = errorHandler;
   request.onupgradeneeded = grabEventAndContinueHandler;
   request.onsuccess = grabEventAndContinueHandler;
   let event = yield undefined;
   let db = event.target.result;
   db.onabort = abortListener;
   let transaction;
   let objectStore;
   let index;
   transaction = event.target.transaction;
   try {
     let error = transaction.error;
     ok(false, "Expect an exception");
   } catch(e) {
     ok(true, "Got an exception.");
     is(e.name, "InvalidStateError", "Got the right exception");
   }
   objectStore = db.createObjectStore("foo", { autoIncrement: true });
   index = objectStore.createIndex("fooindex", "indexKey", { unique: true });
   is(transaction.db, db, "Correct database");
   is(transaction.mode, "versionchange", "Correct mode");
   is(transaction.objectStoreNames.length, 1, "Correct names length");
   is(transaction.objectStoreNames.item(0), "foo", "Correct name");
   is(transaction.objectStore("foo"), objectStore, "Can get stores");
   is(transaction.oncomplete, null, "No complete listener");
   is(transaction.onabort, null, "No abort listener");
   is(objectStore.name, "foo", "Correct name");
   is(objectStore.keyPath, null, "Correct keyPath");
   is(objectStore.indexNames.length, 1, "Correct indexNames length");
   is(objectStore.indexNames[0], "fooindex", "Correct indexNames name");
   is(objectStore.index("fooindex"), index, "Can get index");
   // Wait until it's complete!
   transaction.oncomplete = grabEventAndContinueHandler;
   event = yield undefined;
   is(transaction.db, db, "Correct database");
   is(transaction.mode, "versionchange", "Correct mode");
   is(transaction.objectStoreNames.length, 1, "Correct names length");
   is(transaction.objectStoreNames.item(0), "foo", "Correct name");
   is(transaction.onabort, null, "No abort listener");
   try {
     is(transaction.objectStore("foo").name, "foo", "Can't get stores");
     ok(false, "Should have thrown");
   }
   catch (e) {
     ok(true, "Out of scope transaction can't make stores");
   }
   is(objectStore.name, "foo", "Correct name");
   is(objectStore.keyPath, null, "Correct keyPath");
   is(objectStore.indexNames.length, 1, "Correct indexNames length");
   is(objectStore.indexNames[0], "fooindex", "Correct indexNames name");
   try {
     objectStore.add({});
     ok(false, "Should have thrown");
   }
   catch (e) {
     ok(true, "Add threw");
   }
   try {
     objectStore.put({}, 1);
     ok(false, "Should have thrown");
   }
   catch (e) {
     ok(true, "Put threw");
   }
   try {
     objectStore.put({}, 1);
     ok(false, "Should have thrown");
   }
   catch (e) {
     ok(true, "Put threw");
   }
   try {
     objectStore.delete(1);
     ok(false, "Should have thrown");
   }
   catch (e) {
     ok(true, "Remove threw");
   }
   try {
     objectStore.get(1);
     ok(false, "Should have thrown");
   }
   catch (e) {
     ok(true, "Get threw");
   }
   try {
     objectStore.getAll(null);
     ok(false, "Should have thrown");
   }
   catch (e) {
     ok(true, "GetAll threw");
   }
   try {
     objectStore.openCursor();
     ok(false, "Should have thrown");
   }
   catch (e) {
     ok(true, "OpenCursor threw");
   }
   try {
     objectStore.createIndex("bar", "id");
     ok(false, "Should have thrown");
   }
   catch (e) {
     ok(true, "CreateIndex threw");
   }
   try {
     objectStore.index("bar");
     ok(false, "Should have thrown");
   }
   catch (e) {
     ok(true, "Index threw");
   }
   try {
     objectStore.deleteIndex("bar");
     ok(false, "Should have thrown");
   }
   catch (e) {
     ok(true, "RemoveIndex threw");
   }
   yield undefined;
   request = db.transaction("foo", "readwrite").objectStore("foo").add({});
   request.onerror = errorHandler;
   request.onsuccess = grabEventAndContinueHandler;
   event = yield undefined;
   event.target.transaction.onabort = function(event) {
     ok(false, "Shouldn't see an abort event!");
   };
   event.target.transaction.oncomplete = grabEventAndContinueHandler;
   event = yield undefined;
   is(event.type, "complete", "Right kind of event");
   let key;
   request = db.transaction("foo", "readwrite").objectStore("foo").add({});
   request.onerror = errorHandler;
   request.onsuccess = grabEventAndContinueHandler;
   event = yield undefined;
   key = event.target.result;
   event.target.transaction.onabort = grabEventAndContinueHandler;
   event.target.transaction.oncomplete = function(event) {
     ok(false, "Shouldn't see a complete event here!");
   };
   event.target.transaction.abort();
   event = yield undefined;
   is(event.type, "abort", "Right kind of event");
   request = db.transaction("foo").objectStore("foo").get(key);
   request.onerror = errorHandler;
   request.onsuccess = grabEventAndContinueHandler;
   event = yield undefined;
   is(event.target.result, undefined, "Object was removed");
   executeSoon(function() { testGenerator.next(); });
   yield undefined;
   let keys = [];
   let abortEventCount = 0;
   function abortErrorHandler(event) {
       is(event.target.error.name, "AbortError",
          "Good error");
       abortEventCount++;
       event.preventDefault();
   };
   objectStore = db.transaction("foo", "readwrite").objectStore("foo");
   for (let i = 0; i < 10; i++) {
     request = objectStore.add({});
     request.onerror = abortErrorHandler;
     request.onsuccess = function(event) {
       keys.push(event.target.result);
       if (keys.length == 5) {
         event.target.transaction.onabort = grabEventAndContinueHandler;
         event.target.transaction.abort();
       }
     };
   }
   event = yield undefined;
   is(event.type, "abort", "Got abort event");
   is(keys.length, 5, "Added 5 items in this transaction");
   is(abortEventCount, 5, "Got 5 abort error events");
   for (let i in keys) {
     request = db.transaction("foo").objectStore("foo").get(keys[i]);
     request.onerror = errorHandler;
     request.onsuccess = grabEventAndContinueHandler;
     event = yield undefined;
     is(event.target.result, undefined, "Object was removed by abort");
   }
   // Set up some predictible data
   transaction = db.transaction("foo", "readwrite");
   objectStore = transaction.objectStore("foo");
   objectStore.clear();
   objectStore.add({}, 1);
   objectStore.add({}, 2);
   request = objectStore.add({}, 1);
   request.onsuccess = function() {
     ok(false, "inserting duplicate key should fail");
   }
   request.onerror = function(event) {
     ok(true, "inserting duplicate key should fail");
     event.preventDefault();
   }
   transaction.oncomplete = grabEventAndContinueHandler;
   yield undefined;
   // Check when aborting is allowed
   abortEventCount = 0;
   let expectedAbortEventCount = 0;
   // During INITIAL
   transaction = db.transaction("foo");
   transaction.abort();
   try {
     transaction.abort();
     ok(false, "second abort should throw an error");
   }
   catch (ex) {
     ok(true, "second abort should throw an error");
   }
   // During LOADING
   transaction = db.transaction("foo");
   transaction.objectStore("foo").get(1).onerror = abortErrorHandler;
   expectedAbortEventCount++;
   transaction.abort();
   try {
     transaction.abort();
     ok(false, "second abort should throw an error");
   }
   catch (ex) {
     ok(true, "second abort should throw an error");
   }
   // During LOADING from callback
   transaction = db.transaction("foo");
   transaction.objectStore("foo").get(1).onsuccess = grabEventAndContinueHandler;
   event = yield undefined;
   transaction.objectStore("foo").get(1).onerror = abortErrorHandler;
   expectedAbortEventCount++
   transaction.abort();
   try {
     transaction.abort();
     ok(false, "second abort should throw an error");
   }
   catch (ex) {
     ok(true, "second abort should throw an error");
   }
   // During LOADING from error callback
   transaction = db.transaction("foo", "readwrite");
   transaction.objectStore("foo").add({}, 1).onerror = function(event) {
     event.preventDefault();
     transaction.objectStore("foo").get(1).onerror = abortErrorHandler;
     expectedAbortEventCount++
     transaction.abort();
     continueToNextStep();
   }
   yield undefined;
   // In between callbacks
   transaction = db.transaction("foo");
   function makeNewRequest() {
     let r = transaction.objectStore("foo").get(1);
     r.onsuccess = makeNewRequest;
     r.onerror = abortErrorHandler;
   }
   makeNewRequest();
   transaction.objectStore("foo").get(1).onsuccess = function(event) {
     executeSoon(function() {
       transaction.abort();
       expectedAbortEventCount++;
       continueToNextStep();
     });
   };
   yield undefined;
   // During COMMITTING
   transaction = db.transaction("foo", "readwrite");
   transaction.objectStore("foo").put({hello: "world"}, 1).onsuccess = function(event) {
     continueToNextStep();
   };
   yield undefined;
   try {
     transaction.abort();
     ok(false, "second abort should throw an error");
   }
   catch (ex) {
     ok(true, "second abort should throw an error");
   }
   transaction.oncomplete = grabEventAndContinueHandler;
   event = yield undefined;
   // Since the previous transaction shouldn't have caused any error events,
   // we know that all events should have fired by now.
   is(abortEventCount, expectedAbortEventCount,
      "All abort errors fired");
   // Abort both failing and succeeding requests
   transaction = db.transaction("foo", "readwrite");
   transaction.onabort = transaction.oncomplete = grabEventAndContinueHandler;
   transaction.objectStore("foo").add({indexKey: "key"}).onsuccess = function(event) {
     transaction.abort();
   };
   let request1 = transaction.objectStore("foo").add({indexKey: "key"});
   request1.onsuccess = grabEventAndContinueHandler;
   request1.onerror = grabEventAndContinueHandler;
   let request2 = transaction.objectStore("foo").get(1);
   request2.onsuccess = grabEventAndContinueHandler;
   request2.onerror = grabEventAndContinueHandler;
   event = yield undefined;
   is(event.type, "error", "abort() should make all requests fail");
   is(event.target, request1, "abort() should make all requests fail");
   is(event.target.error.name, "AbortError", "abort() should make all requests fail");
   event.preventDefault();
   event = yield undefined;
   is(event.type, "error", "abort() should make all requests fail");
   is(event.target, request2, "abort() should make all requests fail");
   is(event.target.error.name, "AbortError", "abort() should make all requests fail");
   event.preventDefault();
   event = yield undefined;
   is(event.type, "abort", "transaction should fail");
   is(event.target, transaction, "transaction should fail");
   ok(abortFired, "Abort should have fired!");
   finishTest();
   yield undefined;
 }