| /* |
| * |
| * Copyright 2017 gRPC authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include <grpc/grpc.h> |
| #include <gtest/gtest.h> |
| |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/log.h> |
| |
| #include "src/core/lib/channel/channel_trace.h" |
| #include "src/core/lib/channel/channelz.h" |
| #include "src/core/lib/channel/channelz_registry.h" |
| #include "src/core/lib/gpr/useful.h" |
| #include "src/core/lib/gprpp/memory.h" |
| #include "src/core/lib/iomgr/exec_ctx.h" |
| #include "src/core/lib/json/json.h" |
| #include "src/core/lib/surface/channel.h" |
| |
| #include "test/core/util/test_config.h" |
| |
| #include <stdlib.h> |
| #include <string.h> |
| |
| namespace grpc_core { |
| namespace channelz { |
| namespace testing { |
| |
| TEST(ChannelzRegistryTest, UuidStartsAboveZeroTest) { |
| ChannelNode* channelz_channel = nullptr; |
| intptr_t uuid = ChannelzRegistry::RegisterChannelNode(channelz_channel); |
| EXPECT_GT(uuid, 0) << "First uuid chose must be greater than zero. Zero if " |
| "reserved according to " |
| "https://github.com/grpc/proposal/blob/master/" |
| "A14-channelz.md"; |
| ChannelzRegistry::UnregisterChannelNode(uuid); |
| } |
| |
| TEST(ChannelzRegistryTest, UuidsAreIncreasing) { |
| ChannelNode* channelz_channel = nullptr; |
| std::vector<intptr_t> uuids; |
| uuids.reserve(10); |
| for (int i = 0; i < 10; ++i) { |
| // reregister the same object. It's ok since we are just testing uuids |
| uuids.push_back(ChannelzRegistry::RegisterChannelNode(channelz_channel)); |
| } |
| for (size_t i = 1; i < uuids.size(); ++i) { |
| EXPECT_LT(uuids[i - 1], uuids[i]) << "Uuids must always be increasing"; |
| } |
| } |
| |
| TEST(ChannelzRegistryTest, RegisterGetTest) { |
| // we hackily jam an intptr_t into this pointer to check for equality later |
| ChannelNode* channelz_channel = (ChannelNode*)42; |
| intptr_t uuid = ChannelzRegistry::RegisterChannelNode(channelz_channel); |
| ChannelNode* retrieved = ChannelzRegistry::GetChannelNode(uuid); |
| EXPECT_EQ(channelz_channel, retrieved); |
| } |
| |
| TEST(ChannelzRegistryTest, RegisterManyItems) { |
| // we hackily jam an intptr_t into this pointer to check for equality later |
| ChannelNode* channelz_channel = (ChannelNode*)42; |
| for (int i = 0; i < 100; i++) { |
| intptr_t uuid = ChannelzRegistry::RegisterChannelNode(channelz_channel); |
| ChannelNode* retrieved = ChannelzRegistry::GetChannelNode(uuid); |
| EXPECT_EQ(channelz_channel, retrieved); |
| } |
| } |
| |
| TEST(ChannelzRegistryTest, NullIfNotPresentTest) { |
| // we hackily jam an intptr_t into this pointer to check for equality later |
| ChannelNode* channelz_channel = (ChannelNode*)42; |
| intptr_t uuid = ChannelzRegistry::RegisterChannelNode(channelz_channel); |
| // try to pull out a uuid that does not exist. |
| ChannelNode* nonexistant = ChannelzRegistry::GetChannelNode(uuid + 1); |
| EXPECT_EQ(nonexistant, nullptr); |
| ChannelNode* retrieved = ChannelzRegistry::GetChannelNode(uuid); |
| EXPECT_EQ(channelz_channel, retrieved); |
| } |
| |
| } // namespace testing |
| } // namespace channelz |
| } // namespace grpc_core |
| |
| int main(int argc, char** argv) { |
| grpc_test_init(argc, argv); |
| grpc_init(); |
| ::testing::InitGoogleTest(&argc, argv); |
| int ret = RUN_ALL_TESTS(); |
| grpc_shutdown(); |
| return ret; |
| } |