sync/internal_api/sync_core_proxy_impl_unittest.cc

   1 // Copyright 2014 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 "base/message_loop/message_loop.h"
   6 #include "base/message_loop/message_loop_proxy.h"
   7 #include "base/run_loop.h"
   8 #include "base/sequenced_task_runner.h"
   9 #include "sync/engine/non_blocking_type_processor.h"
  10 #include "sync/internal_api/public/base/model_type.h"
  11 #include "sync/internal_api/sync_core.h"
  12 #include "sync/internal_api/sync_core_proxy_impl.h"
  13 #include "sync/sessions/model_type_registry.h"
  14 #include "testing/gtest/include/gtest/gtest.h"
  15
  16 namespace syncer {
  17
  18 class SyncCoreProxyImplTest : public ::testing::Test {
  19  public:
  20   SyncCoreProxyImplTest()
  21       : sync_task_runner_(base::MessageLoopProxy::current()),
  22         type_task_runner_(base::MessageLoopProxy::current()),
  23         core_(new SyncCore(&registry_)),
  24         core_proxy_(
  25             sync_task_runner_,
  26             core_->AsWeakPtr()) {}
  27
  28   // The sync thread could be shut down at any time without warning.  This
  29   // function simulates such an event.
  30   void DisableSync() {
  31     core_.reset();
  32   }
  33
  34   scoped_ptr<SyncCoreProxy> GetProxy() { return core_proxy_.Clone(); }
  35
  36  private:
  37   base::MessageLoop loop_;
  38   scoped_refptr<base::SequencedTaskRunner> sync_task_runner_;
  39   scoped_refptr<base::SequencedTaskRunner> type_task_runner_;
  40   ModelTypeRegistry registry_;
  41   scoped_ptr<SyncCore> core_;
  42   SyncCoreProxyImpl core_proxy_;
  43 };
  44
  45 // Try to connect a type to a SyncCore that has already shut down.
  46 TEST_F(SyncCoreProxyImplTest, FailToConnect1) {
  47   NonBlockingTypeProcessor themes_processor(syncer::THEMES);
  48   DisableSync();
  49   themes_processor.Enable(GetProxy());
  50
  51   base::RunLoop run_loop_;
  52   run_loop_.RunUntilIdle();
  53   EXPECT_FALSE(themes_processor.IsConnected());
  54 }
  55
  56 // Try to connect a type to a SyncCore as it shuts down.
  57 TEST_F(SyncCoreProxyImplTest, FailToConnect2) {
  58   NonBlockingTypeProcessor themes_processor(syncer::THEMES);
  59   themes_processor.Enable(GetProxy());
  60   DisableSync();
  61
  62   base::RunLoop run_loop_;
  63   run_loop_.RunUntilIdle();
  64   EXPECT_FALSE(themes_processor.IsConnected());
  65 }
  66
  67 // Tests the case where the type's processor shuts down first.
  68 TEST_F(SyncCoreProxyImplTest, TypeDisconnectsFirst) {
  69   scoped_ptr<NonBlockingTypeProcessor> themes_processor
  70       (new NonBlockingTypeProcessor(syncer::THEMES));
  71   themes_processor->Enable(GetProxy());
  72
  73   base::RunLoop run_loop_;
  74   run_loop_.RunUntilIdle();
  75
  76   EXPECT_TRUE(themes_processor->IsConnected());
  77   themes_processor.reset();
  78 }
  79
  80 // Tests the case where the sync thread shuts down first.
  81 TEST_F(SyncCoreProxyImplTest, SyncDisconnectsFirst) {
  82   scoped_ptr<NonBlockingTypeProcessor> themes_processor
  83       (new NonBlockingTypeProcessor(syncer::THEMES));
  84   themes_processor->Enable(GetProxy());
  85
  86   base::RunLoop run_loop_;
  87   run_loop_.RunUntilIdle();
  88
  89   EXPECT_TRUE(themes_processor->IsConnected());
  90   DisableSync();
  91 }
  92
  93 }  // namespace syncer