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| 1 // Copyright 2016 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 "blimp/helium/owned_register.h" | |
| 6 | |
| 7 #include <memory> | |
| 8 #include <string> | |
| 9 | |
| 10 #include "base/bind.h" | |
| 11 #include "base/memory/ptr_util.h" | |
| 12 #include "blimp/helium/helium_test.h" | |
| 13 #include "blimp/helium/stream_helpers.h" | |
| 14 #include "blimp/helium/syncable_common.h" | |
| 15 #include "testing/gmock/include/gmock/gmock.h" | |
| 16 #include "testing/gtest/include/gtest/gtest.h" | |
| 17 #include "third_party/protobuf/src/google/protobuf/io/zero_copy_stream_impl_lite
.h" | |
| 18 | |
| 19 namespace blimp { | |
| 20 namespace helium { | |
| 21 namespace { | |
| 22 | |
| 23 class OwnedRegisterTest : public HeliumTest { | |
| 24 public: | |
| 25 OwnedRegisterTest() {} | |
| 26 | |
| 27 MOCK_METHOD0(OnEngineCallbackCalled, void()); | |
| 28 MOCK_METHOD0(OnClientCallbackCalled, void()); | |
| 29 | |
| 30 protected: | |
| 31 void InitRegisters(Peer owner) { | |
| 32 client_reg_ = base::MakeUnique<OwnedRegister<int>>(Peer::CLIENT, owner); | |
| 33 engine_reg_ = base::MakeUnique<OwnedRegister<int>>(Peer::ENGINE, owner); | |
| 34 client_reg_->SetLocalUpdateCallback(base::Bind( | |
| 35 &OwnedRegisterTest::OnClientCallbackCalled, base::Unretained(this))); | |
| 36 engine_reg_->SetLocalUpdateCallback(base::Bind( | |
| 37 &OwnedRegisterTest::OnEngineCallbackCalled, base::Unretained(this))); | |
| 38 } | |
| 39 | |
| 40 // Takes a changeset from |from_lww_register| and applies it to | |
| 41 // |to_lww_register|. | |
| 42 void Sync(const OwnedRegister<int>& from_register, | |
| 43 OwnedRegister<int>* to_register); | |
| 44 | |
| 45 std::unique_ptr<OwnedRegisterChangeset<int>> CreateMockChangeset( | |
| 46 Revision revision, | |
| 47 int value); | |
| 48 | |
| 49 std::unique_ptr<OwnedRegister<int>> client_reg_; | |
| 50 std::unique_ptr<OwnedRegister<int>> engine_reg_; | |
| 51 | |
| 52 private: | |
| 53 DISALLOW_COPY_AND_ASSIGN(OwnedRegisterTest); | |
| 54 }; | |
| 55 | |
| 56 // Takes a changeset from |from_register| and applies it to | |
| 57 // |to_lww_register|. | |
| 58 void OwnedRegisterTest::Sync(const OwnedRegister<int>& from_register, | |
| 59 OwnedRegister<int>* to_register) { | |
| 60 auto changeset = from_register.CreateChangeset(from_register.GetRevision()); | |
| 61 ASSERT_TRUE(to_register->ValidateChangeset(*changeset)); | |
| 62 to_register->ApplyChangeset(*changeset); | |
| 63 } | |
| 64 | |
| 65 std::unique_ptr<OwnedRegisterChangeset<int>> | |
| 66 OwnedRegisterTest::CreateMockChangeset(Revision revision, int value) { | |
| 67 std::unique_ptr<OwnedRegister<int>::Changeset> changeset = | |
| 68 base::MakeUnique<OwnedRegister<int>::Changeset>(); | |
| 69 changeset->last_modified.Set(revision); | |
| 70 changeset->value.Set(value); | |
| 71 return changeset; | |
| 72 } | |
| 73 | |
| 74 TEST_F(OwnedRegisterTest, SetIncrementsLocalVersion) { | |
| 75 InitRegisters(Peer::ENGINE); | |
| 76 | |
| 77 EXPECT_CALL(*this, OnClientCallbackCalled()).Times(0); | |
| 78 EXPECT_CALL(*this, OnEngineCallbackCalled()).Times(1); | |
| 79 | |
| 80 Revision client_rev = client_reg_->GetRevision(); | |
| 81 Revision engine_rev = engine_reg_->GetRevision(); | |
| 82 engine_reg_->Set(175); | |
| 83 EXPECT_EQ(175, engine_reg_->Get()); | |
| 84 | |
| 85 EXPECT_EQ(client_reg_->GetRevision(), client_rev); | |
| 86 EXPECT_GT(engine_reg_->GetRevision(), engine_rev); | |
| 87 } | |
| 88 | |
| 89 TEST_F(OwnedRegisterTest, SyncSuccessfully) { | |
| 90 InitRegisters(Peer::CLIENT); | |
| 91 | |
| 92 EXPECT_CALL(*this, OnClientCallbackCalled()).Times(1); | |
| 93 EXPECT_CALL(*this, OnEngineCallbackCalled()).Times(0); | |
| 94 | |
| 95 Revision client_rev = client_reg_->GetRevision(); | |
| 96 Revision engine_rev = engine_reg_->GetRevision(); | |
| 97 client_reg_->Set(123); | |
| 98 | |
| 99 Sync(*client_reg_, engine_reg_.get()); | |
| 100 EXPECT_EQ(123, engine_reg_->Get()); | |
| 101 | |
| 102 EXPECT_GT(client_reg_->GetRevision(), client_rev); | |
| 103 EXPECT_EQ(engine_reg_->GetRevision(), engine_rev); | |
| 104 } | |
| 105 | |
| 106 TEST_F(OwnedRegisterTest, ChangesetIgnored) { | |
| 107 InitRegisters(Peer::CLIENT); | |
| 108 | |
| 109 EXPECT_CALL(*this, OnClientCallbackCalled()).Times(1); | |
| 110 EXPECT_CALL(*this, OnEngineCallbackCalled()).Times(0); | |
| 111 | |
| 112 Revision engine_rev = engine_reg_->GetRevision(); | |
| 113 client_reg_->Set(123); | |
| 114 Sync(*client_reg_, engine_reg_.get()); | |
| 115 EXPECT_EQ(123, engine_reg_->Get()); | |
| 116 | |
| 117 Sync(*client_reg_, engine_reg_.get()); | |
| 118 EXPECT_EQ(123, engine_reg_->Get()); | |
| 119 | |
| 120 EXPECT_EQ(engine_reg_->GetRevision(), engine_rev); | |
| 121 } | |
| 122 | |
| 123 TEST_F(OwnedRegisterTest, ChangesetsAppliedOutOfOrderFails) { | |
| 124 InitRegisters(Peer::CLIENT); | |
| 125 | |
| 126 EXPECT_CALL(*this, OnClientCallbackCalled()).Times(1); | |
| 127 EXPECT_CALL(*this, OnEngineCallbackCalled()).Times(0); | |
| 128 | |
| 129 // Set up the Engine to be at 0:1 revision | |
| 130 client_reg_->Set(123); | |
| 131 | |
| 132 Sync(*client_reg_, engine_reg_.get()); | |
| 133 EXPECT_EQ(123, engine_reg_->Get()); | |
| 134 | |
| 135 EXPECT_FALSE(client_reg_->ValidateChangeset(*CreateMockChangeset(0u, 5))); | |
| 136 } | |
| 137 | |
| 138 TEST_F(OwnedRegisterTest, InvalidOperationForPeer) { | |
| 139 InitRegisters(Peer::ENGINE); | |
| 140 | |
| 141 EXPECT_CALL(*this, OnClientCallbackCalled()).Times(0); | |
| 142 EXPECT_CALL(*this, OnEngineCallbackCalled()).Times(0); | |
| 143 | |
| 144 EXPECT_FALSE(engine_reg_->ValidateChangeset(*CreateMockChangeset(1u, 5))); | |
| 145 } | |
| 146 | |
| 147 } // namespace | |
| 148 } // namespace helium | |
| 149 } // namespace blimp | |
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Chromium Code Reviews
Issue 2602103002:
Delete blimp/helium and remove references to it from dependent targets (Closed)
