add tab tests

e2e/ambassador/src/background/index.js

@@ -1,6 +1,6 @@
 import {
   WINDOWS_CREATE, WINDOWS_REMOVE, WINDOWS_GET,
-  TABS_CREATE,
+  TABS_CREATE, TABS_SELECT_AT,
   EVENT_KEYPRESS, EVENT_KEYDOWN, EVENT_KEYUP,
   SCROLL_GET, SCROLL_SET,
 } from '../shared/messages';
@@ -20,6 +20,11 @@ receiveContentMessage((message) => {
       url: message.url,
       windowId: message.windowId,
     });
+  case TABS_SELECT_AT:
+    return tabs.selectAt({
+      windowId: message.windowId,
+      index: message.index,
+    });
   case EVENT_KEYPRESS:
   case EVENT_KEYDOWN:
   case EVENT_KEYUP:

e2e/ambassador/src/background/tabs.js

@@ -13,6 +13,14 @@ const create = (props = {}) => {
   });
 };
 
-export {
-  create,
+const selectAt = (props = {}) => {
+  return browser.tabs.query({ windowId: props.windowId }).then((tabs) => {
+    let target = tabs[props.index];
+    return browser.tabs.update(target.id, { active: true });
+  });
+};
+
+
+export {
+  create, selectAt
 };

e2e/ambassador/src/client/tabs.js

@@ -1,4 +1,6 @@
-import { TABS_CREATE } from '../shared/messages';
+import {
+  TABS_CREATE, TABS_SELECT_AT,
+} from '../shared/messages';
 import * as ipc from './ipc';
 
 const create = (windowId, url) => {
@@ -9,4 +11,12 @@ const create = (windowId, url) => {
   });
 };
 
-export { create };
+const selectAt = (windowId, index) => {
+  return ipc.send({
+    type: TABS_SELECT_AT,
+    windowId,
+    index,
+  });
+};
+
+export { create, selectAt };

e2e/ambassador/src/shared/messages.js

@@ -4,6 +4,7 @@ const WINDOWS_CREATE = 'windows.create';
 const WINDOWS_REMOVE = 'windows.remove';
 const WINDOWS_GET = 'windows.get';
 const TABS_CREATE = 'tabs.create';
+const TABS_SELECT_AT = 'tabs.selectAt';
 const EVENT_KEYPRESS = 'event.keypress';
 const EVENT_KEYDOWN = 'event.keydown';
 const EVENT_KEYUP = 'event.keyup';
@@ -19,6 +20,7 @@ export {
   WINDOWS_GET,
 
   TABS_CREATE,
+  TABS_SELECT_AT,
 
   EVENT_KEYPRESS,
   EVENT_KEYDOWN,