sync/internal_api/js_mutation_event_observer_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/internal_api/js_mutation_event_observer.h"
   6
   7 #include "base/basictypes.h"
   8 #include "base/message_loop.h"
   9 #include "base/values.h"
  10 #include "sync/internal_api/public/base/model_type.h"
  11 #include "sync/internal_api/public/util/weak_handle.h"
  12 #include "sync/js/js_event_details.h"
  13 #include "sync/js/js_test_util.h"
  14 #include "testing/gtest/include/gtest/gtest.h"
  15
  16 namespace syncer {
  17 namespace {
  18
  19 using ::testing::InSequence;
  20 using ::testing::StrictMock;
  21
  22 class JsMutationEventObserverTest : public testing::Test {
  23  protected:
  24   JsMutationEventObserverTest() {
  25     js_mutation_event_observer_.SetJsEventHandler(
  26         mock_js_event_handler_.AsWeakHandle());
  27   }
  28
  29  private:
  30   // This must be destroyed after the member variables below in order
  31   // for WeakHandles to be destroyed properly.
  32   MessageLoop message_loop_;
  33
  34  protected:
  35   StrictMock<MockJsEventHandler> mock_js_event_handler_;
  36   JsMutationEventObserver js_mutation_event_observer_;
  37
  38   void PumpLoop() {
  39     message_loop_.RunAllPending();
  40   }
  41 };
  42
  43 TEST_F(JsMutationEventObserverTest, OnChangesApplied) {
  44   InSequence dummy;
  45
  46   // We don't test with passwords as that requires additional setup.
  47
  48   // Build a list of example ChangeRecords.
  49   syncer::ChangeRecord changes[syncer::MODEL_TYPE_COUNT];
  50   for (int i = syncer::AUTOFILL_PROFILE; i < syncer::MODEL_TYPE_COUNT; ++i) {
  51     changes[i].id = i;
  52     switch (i % 3) {
  53       case 0:
  54         changes[i].action =
  55             syncer::ChangeRecord::ACTION_ADD;
  56         break;
  57       case 1:
  58         changes[i].action =
  59             syncer::ChangeRecord::ACTION_UPDATE;
  60         break;
  61       default:
  62         changes[i].action =
  63             syncer::ChangeRecord::ACTION_DELETE;
  64         break;
  65     }
  66   }
  67
  68   // For each i, we call OnChangesApplied() with the first arg equal
  69   // to i cast to ModelType and the second argument with the changes
  70   // starting from changes[i].
  71
  72   // Set expectations for each data type.
  73   for (int i = syncer::AUTOFILL_PROFILE; i < syncer::MODEL_TYPE_COUNT; ++i) {
  74     const std::string& model_type_str =
  75         syncer::ModelTypeToString(syncer::ModelTypeFromInt(i));
  76     DictionaryValue expected_details;
  77     expected_details.SetString("modelType", model_type_str);
  78     expected_details.SetString("writeTransactionId", "0");
  79     ListValue* expected_changes = new ListValue();
  80     expected_details.Set("changes", expected_changes);
  81     for (int j = i; j < syncer::MODEL_TYPE_COUNT; ++j) {
  82       expected_changes->Append(changes[j].ToValue());
  83     }
  84     EXPECT_CALL(mock_js_event_handler_,
  85                 HandleJsEvent("onChangesApplied",
  86                              HasDetailsAsDictionary(expected_details)));
  87   }
  88
  89   // Fire OnChangesApplied() for each data type.
  90   for (int i = syncer::AUTOFILL_PROFILE; i < syncer::MODEL_TYPE_COUNT; ++i) {
  91     syncer::ChangeRecordList
  92         local_changes(changes + i, changes + arraysize(changes));
  93     js_mutation_event_observer_.OnChangesApplied(
  94         syncer::ModelTypeFromInt(i),
  95         0, syncer::ImmutableChangeRecordList(&local_changes));
  96   }
  97
  98   PumpLoop();
  99 }
 100
 101 TEST_F(JsMutationEventObserverTest, OnChangesComplete) {
 102   InSequence dummy;
 103
 104   for (int i = syncer::FIRST_REAL_MODEL_TYPE;
 105        i < syncer::MODEL_TYPE_COUNT; ++i) {
 106     DictionaryValue expected_details;
 107     expected_details.SetString(
 108         "modelType",
 109         syncer::ModelTypeToString(syncer::ModelTypeFromInt(i)));
 110     EXPECT_CALL(mock_js_event_handler_,
 111                 HandleJsEvent("onChangesComplete",
 112                              HasDetailsAsDictionary(expected_details)));
 113   }
 114
 115   for (int i = syncer::FIRST_REAL_MODEL_TYPE;
 116        i < syncer::MODEL_TYPE_COUNT; ++i) {
 117     js_mutation_event_observer_.OnChangesComplete(
 118         syncer::ModelTypeFromInt(i));
 119   }
 120   PumpLoop();
 121 }
 122
 123 }  // namespace
 124 }  // namespace syncer