Tests for the Copresence API.

chrome/test/data/extensions/api_test/copresence/test_copresence_api.js

+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+function stringToArrayBuffer(str) {
+  var utf8_string = unescape(encodeURIComponent(str));
+  var buffer = new ArrayBuffer(utf8_string.length);
+  var view = new Uint8Array(buffer);
+  for (var i = 0; i < utf8_string.length; ++i) {
+    view[i] = utf8_string.charCodeAt(i);
+  }
+  return buffer;
+}
+
+function arrayBufferToString(buffer) {
+  var utf8_string = String.fromCharCode.apply(null, new Uint8Array(buffer));
+  return decodeURIComponent(escape(utf8_string));
+}
+
+function assertSuccess(status) {
+  chrome.test.assertEq('success', status);
+  chrome.test.assertNoLastError();
+}
+
+chrome.test.listenOnce(
+    chrome.copresence.onMessagesReceived,
+    function(subscriptionId, messages) {
+      chrome.test.assertEq('response', subscriptionId);
+      chrome.test.assertEq(2, messages.length);
+      chrome.test.assertEq('joke', messages[0].type);
+      chrome.test.assertEq('Who\'s there?',
+          arrayBufferToString(messages[0].payload));
+    });
+
+var PUBLISH_OPERATION = {
+  id: 'call',
+  message: {
+    type: 'joke',
+    payload: stringToArrayBuffer('Knock Knock!')
+  },
+  timeToLiveMillis: 1000,
+  policy: {},
+  strategies: {
+    onlyBroadcast: true
+  }
+};
+
+var SUBSCRIBE_OPERATION = {
+  id: 'response',
+  filter: {
+    type: 'joke'
+  },
+  timeToLiveMillis: 1000,
+  strategies: {
+    onlyScan: true
+  }
+};
+
+chrome.test.runTests([
+  function testPubSub() {
+    chrome.copresence.execute(
+        [{ publish: PUBLISH_OPERATION }],
+        chrome.test.callbackPass(assertSuccess));
+
+    chrome.copresence.execute(
+        [{ subscribe: SUBSCRIBE_OPERATION }],
+        chrome.test.callbackPass(assertSuccess));
+  },
+
+  function testUnPubSub() {
+    chrome.copresence.execute(
+        [{
+          unpublish: { unpublishId: 'call' }
+        },
+        {
+          unsubscribe: { unsubscribeId: 'response' }
+        }],
+        chrome.test.callbackPass(assertSuccess));
+  },
+
+  function testBadId() {
+    chrome.copresence.execute(
+        [{ unsubscribe: { unsubscribeId: 'invalid' } }],
+        chrome.test.callbackFail("Invalid operation in operations array."));
+  },
+
+  function testMultipleOperations() {
+    chrome.copresence.execute(
+        [{
+          publish: PUBLISH_OPERATION,
+          subscribe: SUBSCRIBE_OPERATION
+        }],
+        chrome.test.callbackFail("Invalid operation in operations array."));
+  }
+]);

[not at google - send to devlin, 2014/08/07 23:21:12]

what about events?

[Charlie, 2014/08/07 23:52:25]

I don't follow. We test onMessagesReceived. The other is just a status
passthrough, not used yet.