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/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   base::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_.RunUntilIdle();
  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   ChangeRecord changes[MODEL_TYPE_COUNT];
  50   for (int i = AUTOFILL_PROFILE; i < MODEL_TYPE_COUNT; ++i) {
  51     changes[i].id = i;
  52     switch (i % 3) {
  53       case 0:
  54         changes[i].action = ChangeRecord::ACTION_ADD;
  55         break;
  56       case 1:
  57         changes[i].action = ChangeRecord::ACTION_UPDATE;
  58         break;
  59       default:
  60         changes[i].action = ChangeRecord::ACTION_DELETE;
  61         break;
  62     }
  63   }
  64
  65   // For each i, we call OnChangesApplied() with the first arg equal
  66   // to i cast to ModelType and the second argument with the changes
  67   // starting from changes[i].
  68
  69   // Set expectations for each data type.
  70   for (int i = AUTOFILL_PROFILE; i < MODEL_TYPE_COUNT; ++i) {
  71     const std::string& model_type_str =
  72         ModelTypeToString(ModelTypeFromInt(i));
  73     base::DictionaryValue expected_details;
  74     expected_details.SetString("modelType", model_type_str);
  75     expected_details.SetString("writeTransactionId", "0");
  76     base::ListValue* expected_changes = new base::ListValue();
  77     expected_details.Set("changes", expected_changes);
  78     for (int j = i; j < MODEL_TYPE_COUNT; ++j) {
  79       expected_changes->Append(changes[j].ToValue());
  80     }
  81     EXPECT_CALL(mock_js_event_handler_,
  82                 HandleJsEvent("onChangesApplied",
  83                              HasDetailsAsDictionary(expected_details)));
  84   }
  85
  86   // Fire OnChangesApplied() for each data type.
  87   for (int i = AUTOFILL_PROFILE; i < MODEL_TYPE_COUNT; ++i) {
  88     ChangeRecordList local_changes(changes + i, changes + arraysize(changes));
  89     js_mutation_event_observer_.OnChangesApplied(
  90         ModelTypeFromInt(i),
  91         0, ImmutableChangeRecordList(&local_changes));
  92   }
  93
  94   PumpLoop();
  95 }
  96
  97 TEST_F(JsMutationEventObserverTest, OnChangesComplete) {
  98   InSequence dummy;
  99
 100   for (int i = FIRST_REAL_MODEL_TYPE; i < MODEL_TYPE_COUNT; ++i) {
 101     base::DictionaryValue expected_details;
 102     expected_details.SetString(
 103         "modelType",
 104         ModelTypeToString(ModelTypeFromInt(i)));
 105     EXPECT_CALL(mock_js_event_handler_,
 106                 HandleJsEvent("onChangesComplete",
 107                              HasDetailsAsDictionary(expected_details)));
 108   }
 109
 110   for (int i = FIRST_REAL_MODEL_TYPE; i < MODEL_TYPE_COUNT; ++i) {
 111     js_mutation_event_observer_.OnChangesComplete(
 112         ModelTypeFromInt(i));
 113   }
 114   PumpLoop();
 115 }
 116
 117 }  // namespace
 118 }  // namespace syncer