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      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
    119