src/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 TEST_F(SyncJsControllerTest, Messages) {
  34   InSequence dummy;
  35   // |mock_backend| needs to outlive |sync_js_controller|.
  36   StrictMock<MockJsBackend> mock_backend;
  37   SyncJsController sync_js_controller;
  38
  39   base::ListValue arg_list1, arg_list2;
  40   arg_list1.Append(new base::FundamentalValue(false));
  41   arg_list2.Append(new base::FundamentalValue(5));
  42   JsArgList args1(&arg_list1), args2(&arg_list2);
  43
  44   // TODO(akalin): Write matchers for WeakHandle and use them here
  45   // instead of _.
  46   EXPECT_CALL(mock_backend, SetJsEventHandler(_));
  47   EXPECT_CALL(mock_backend, ProcessJsMessage("test1", HasArgs(args2), _));
  48   EXPECT_CALL(mock_backend, ProcessJsMessage("test2", HasArgs(args1), _));
  49
  50   sync_js_controller.AttachJsBackend(mock_backend.AsWeakHandle());
  51   sync_js_controller.ProcessJsMessage("test1", args2,
  52                                       WeakHandle<JsReplyHandler>());
  53   sync_js_controller.ProcessJsMessage("test2", args1,
  54                                       WeakHandle<JsReplyHandler>());
  55   PumpLoop();
  56
  57   // Let destructor of |sync_js_controller| call RemoveBackend().
  58 }
  59
  60 TEST_F(SyncJsControllerTest, QueuedMessages) {
  61   // |mock_backend| needs to outlive |sync_js_controller|.
  62   StrictMock<MockJsBackend> mock_backend;
  63   SyncJsController sync_js_controller;
  64
  65   base::ListValue arg_list1, arg_list2;
  66   arg_list1.Append(new base::FundamentalValue(false));
  67   arg_list2.Append(new base::FundamentalValue(5));
  68   JsArgList args1(&arg_list1), args2(&arg_list2);
  69
  70   // Should queue messages.
  71   sync_js_controller.ProcessJsMessage("test1", args2,
  72                                       WeakHandle<JsReplyHandler>());
  73   sync_js_controller.ProcessJsMessage("test2", args1,
  74                                       WeakHandle<JsReplyHandler>());
  75
  76   Mock::VerifyAndClearExpectations(&mock_backend);
  77
  78   // TODO(akalin): Write matchers for WeakHandle and use them here
  79   // instead of _.
  80   EXPECT_CALL(mock_backend, SetJsEventHandler(_));
  81   EXPECT_CALL(mock_backend, ProcessJsMessage("test1", HasArgs(args2), _));
  82   EXPECT_CALL(mock_backend, ProcessJsMessage("test2", HasArgs(args1), _));
  83
  84   // Should call the queued messages.
  85   sync_js_controller.AttachJsBackend(mock_backend.AsWeakHandle());
  86   PumpLoop();
  87
  88   // Should do nothing.
  89   sync_js_controller.AttachJsBackend(WeakHandle<JsBackend>());
  90   PumpLoop();
  91
  92   // Should also do nothing.
  93   sync_js_controller.AttachJsBackend(WeakHandle<JsBackend>());
  94   PumpLoop();
  95 }
  96
  97 TEST_F(SyncJsControllerTest, Events) {
  98   InSequence dummy;
  99   SyncJsController sync_js_controller;
 100
 101   base::DictionaryValue details_dict1, details_dict2;
 102   details_dict1.SetString("foo", "bar");
 103   details_dict2.SetInteger("baz", 5);
 104   JsEventDetails details1(&details_dict1), details2(&details_dict2);
 105
 106   StrictMock<MockJsEventHandler> event_handler1, event_handler2;
 107   EXPECT_CALL(event_handler1, HandleJsEvent("event", HasDetails(details1)));
 108   EXPECT_CALL(event_handler2, HandleJsEvent("event", HasDetails(details1)));
 109   EXPECT_CALL(event_handler1,
 110               HandleJsEvent("anotherevent", HasDetails(details2)));
 111   EXPECT_CALL(event_handler2,
 112               HandleJsEvent("anotherevent", HasDetails(details2)));
 113
 114   sync_js_controller.AddJsEventHandler(&event_handler1);
 115   sync_js_controller.AddJsEventHandler(&event_handler2);
 116   sync_js_controller.HandleJsEvent("event", details1);
 117   sync_js_controller.HandleJsEvent("anotherevent", details2);
 118   sync_js_controller.RemoveJsEventHandler(&event_handler1);
 119   sync_js_controller.RemoveJsEventHandler(&event_handler2);
 120   sync_js_controller.HandleJsEvent("droppedevent", details2);
 121
 122   PumpLoop();
 123 }
 124
 125 }  // namespace
 126 }  // namespace syncer