sync/js/sync_js_controller_unittest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "sync/js/sync_js_controller.h"
   6
   7 #include "base/message_loop/message_loop.h"
   8 #include "base/values.h"
   9 #include "sync/js/js_arg_list.h"
  10 #include "sync/js/js_event_details.h"
  11 #include "sync/js/js_test_util.h"
  12 #include "testing/gmock/include/gmock/gmock.h"
  13 #include "testing/gtest/include/gtest/gtest.h"
  14
  15 namespace syncer {
  16 namespace {
  17
  18 using ::testing::_;
  19 using ::testing::InSequence;
  20 using ::testing::Mock;
  21 using ::testing::StrictMock;
  22
  23 class SyncJsControllerTest : public testing::Test {
  24  protected:
  25   void PumpLoop() {
  26     message_loop_.RunUntilIdle();
  27   }
  28
  29  private:
  30   base::MessageLoop message_loop_;
  31 };
  32
  33 ACTION_P(ReplyToMessage, reply_name) {
  34   arg2.Call(FROM_HERE, &JsReplyHandler::HandleJsReply, reply_name, JsArgList());
  35 }
  36
  37 TEST_F(SyncJsControllerTest, Messages) {
  38   InSequence dummy;
  39   // |mock_backend| needs to outlive |sync_js_controller|.
  40   StrictMock<MockJsBackend> mock_backend;
  41   StrictMock<MockJsReplyHandler> mock_reply_handler;
  42   SyncJsController sync_js_controller;
  43
  44   base::ListValue arg_list1, arg_list2;
  45   arg_list1.Append(new base::FundamentalValue(false));
  46   arg_list2.Append(new base::FundamentalValue(5));
  47   JsArgList args1(&arg_list1), args2(&arg_list2);
  48
  49   EXPECT_CALL(mock_backend, SetJsEventHandler(_));
  50   EXPECT_CALL(mock_backend, ProcessJsMessage("test1", HasArgs(args2), _))
  51       .WillOnce(ReplyToMessage("test1_reply"));
  52   EXPECT_CALL(mock_backend, ProcessJsMessage("test2", HasArgs(args1), _))
  53       .WillOnce(ReplyToMessage("test2_reply"));
  54
  55   sync_js_controller.AttachJsBackend(mock_backend.AsWeakHandle());
  56   sync_js_controller.ProcessJsMessage("test1",
  57                                       args2,
  58                                       mock_reply_handler.AsWeakHandle());
  59   sync_js_controller.ProcessJsMessage("test2",
  60                                       args1,
  61                                       mock_reply_handler.AsWeakHandle());
  62
  63   // The replies should be waiting on our message loop.
  64   EXPECT_CALL(mock_reply_handler, HandleJsReply("test1_reply", _));
  65   EXPECT_CALL(mock_reply_handler, HandleJsReply("test2_reply", _));
  66   PumpLoop();
  67
  68   // Let destructor of |sync_js_controller| call RemoveBackend().
  69 }
  70
  71 TEST_F(SyncJsControllerTest, QueuedMessages) {
  72   // |mock_backend| needs to outlive |sync_js_controller|.
  73   StrictMock<MockJsBackend> mock_backend;
  74   StrictMock<MockJsReplyHandler> mock_reply_handler;
  75   SyncJsController sync_js_controller;
  76
  77   base::ListValue arg_list1, arg_list2;
  78   arg_list1.Append(new base::FundamentalValue(false));
  79   arg_list2.Append(new base::FundamentalValue(5));
  80   JsArgList args1(&arg_list1), args2(&arg_list2);
  81
  82   // Should queue messages.
  83   sync_js_controller.ProcessJsMessage(
  84       "test1",
  85       args2,
  86       mock_reply_handler.AsWeakHandle());
  87   sync_js_controller.ProcessJsMessage(
  88       "test2",
  89       args1,
  90       mock_reply_handler.AsWeakHandle());
  91
  92   // Should do nothing.
  93   PumpLoop();
  94   Mock::VerifyAndClearExpectations(&mock_backend);
  95
  96
  97   // Should call the queued messages.
  98   EXPECT_CALL(mock_backend, SetJsEventHandler(_));
  99   EXPECT_CALL(mock_backend, ProcessJsMessage("test1", HasArgs(args2), _))
 100       .WillOnce(ReplyToMessage("test1_reply"));
 101   EXPECT_CALL(mock_backend, ProcessJsMessage("test2", HasArgs(args1), _))
 102       .WillOnce(ReplyToMessage("test2_reply"));
 103   EXPECT_CALL(mock_reply_handler, HandleJsReply("test1_reply", _));
 104   EXPECT_CALL(mock_reply_handler, HandleJsReply("test2_reply", _));
 105
 106   sync_js_controller.AttachJsBackend(mock_backend.AsWeakHandle());
 107   PumpLoop();
 108
 109   // Should do nothing.
 110   sync_js_controller.AttachJsBackend(WeakHandle<JsBackend>());
 111   PumpLoop();
 112
 113   // Should also do nothing.
 114   sync_js_controller.AttachJsBackend(WeakHandle<JsBackend>());
 115   PumpLoop();
 116 }
 117
 118 TEST_F(SyncJsControllerTest, Events) {
 119   InSequence dummy;
 120   SyncJsController sync_js_controller;
 121
 122   base::DictionaryValue details_dict1, details_dict2;
 123   details_dict1.SetString("foo", "bar");
 124   details_dict2.SetInteger("baz", 5);
 125   JsEventDetails details1(&details_dict1), details2(&details_dict2);
 126
 127   StrictMock<MockJsEventHandler> event_handler1, event_handler2;
 128   EXPECT_CALL(event_handler1, HandleJsEvent("event", HasDetails(details1)));
 129   EXPECT_CALL(event_handler2, HandleJsEvent("event", HasDetails(details1)));
 130   EXPECT_CALL(event_handler1,
 131               HandleJsEvent("anotherevent", HasDetails(details2)));
 132   EXPECT_CALL(event_handler2,
 133               HandleJsEvent("anotherevent", HasDetails(details2)));
 134
 135   sync_js_controller.AddJsEventHandler(&event_handler1);
 136   sync_js_controller.AddJsEventHandler(&event_handler2);
 137   sync_js_controller.HandleJsEvent("event", details1);
 138   sync_js_controller.HandleJsEvent("anotherevent", details2);
 139   sync_js_controller.RemoveJsEventHandler(&event_handler1);
 140   sync_js_controller.RemoveJsEventHandler(&event_handler2);
 141   sync_js_controller.HandleJsEvent("droppedevent", details2);
 142
 143   PumpLoop();
 144 }
 145
 146 }  // namespace
 147 }  // namespace syncer