| /* |
| * |
| * Copyright 2015 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 <grpc++/support/channel_arguments.h> |
| |
| #include <grpc++/grpc++.h> |
| #include <grpc/grpc.h> |
| #include <grpc/support/useful.h> |
| #include <gtest/gtest.h> |
| |
| #include "src/core/lib/iomgr/exec_ctx.h" |
| #include "src/core/lib/iomgr/socket_mutator.h" |
| |
| namespace grpc { |
| namespace testing { |
| |
| namespace { |
| |
| // A simple grpc_socket_mutator to be used to test SetSocketMutator |
| class TestSocketMutator : public grpc_socket_mutator { |
| public: |
| TestSocketMutator(); |
| |
| bool MutateFd(int fd) { |
| // Do nothing on the fd |
| return true; |
| } |
| }; |
| |
| // |
| // C API for TestSocketMutator |
| // |
| |
| bool test_mutator_mutate_fd(int fd, grpc_socket_mutator* mutator) { |
| TestSocketMutator* tsm = (TestSocketMutator*)mutator; |
| return tsm->MutateFd(fd); |
| } |
| |
| int test_mutator_compare(grpc_socket_mutator* a, grpc_socket_mutator* b) { |
| return GPR_ICMP(a, b); |
| } |
| |
| void test_mutator_destroy(grpc_socket_mutator* mutator) { |
| TestSocketMutator* tsm = (TestSocketMutator*)mutator; |
| delete tsm; |
| } |
| |
| grpc_socket_mutator_vtable test_mutator_vtable = { |
| test_mutator_mutate_fd, test_mutator_compare, test_mutator_destroy}; |
| |
| // |
| // TestSocketMutator implementation |
| // |
| |
| TestSocketMutator::TestSocketMutator() { |
| grpc_socket_mutator_init(this, &test_mutator_vtable); |
| } |
| } // namespace |
| |
| class ChannelArgumentsTest : public ::testing::Test { |
| protected: |
| ChannelArgumentsTest() |
| : pointer_vtable_({&ChannelArguments::PointerVtableMembers::Copy, |
| &ChannelArguments::PointerVtableMembers::Destroy, |
| &ChannelArguments::PointerVtableMembers::Compare}) {} |
| |
| void SetChannelArgs(const ChannelArguments& channel_args, |
| grpc_channel_args* args) { |
| channel_args.SetChannelArgs(args); |
| } |
| |
| grpc::string GetDefaultUserAgentPrefix() { |
| std::ostringstream user_agent_prefix; |
| user_agent_prefix << "grpc-c++/" << Version(); |
| return user_agent_prefix.str(); |
| } |
| |
| void VerifyDefaultChannelArgs() { |
| grpc_channel_args args; |
| SetChannelArgs(channel_args_, &args); |
| EXPECT_EQ(static_cast<size_t>(1), args.num_args); |
| EXPECT_STREQ(GRPC_ARG_PRIMARY_USER_AGENT_STRING, args.args[0].key); |
| EXPECT_EQ(GetDefaultUserAgentPrefix(), |
| grpc::string(args.args[0].value.string)); |
| } |
| |
| bool HasArg(grpc_arg expected_arg) { |
| grpc_channel_args args; |
| SetChannelArgs(channel_args_, &args); |
| for (size_t i = 0; i < args.num_args; i++) { |
| const grpc_arg& arg = args.args[i]; |
| if (arg.type == expected_arg.type && |
| grpc::string(arg.key) == expected_arg.key) { |
| if (arg.type == GRPC_ARG_INTEGER) { |
| return arg.value.integer == expected_arg.value.integer; |
| } else if (arg.type == GRPC_ARG_STRING) { |
| return grpc::string(arg.value.string) == expected_arg.value.string; |
| } else if (arg.type == GRPC_ARG_POINTER) { |
| return arg.value.pointer.p == expected_arg.value.pointer.p && |
| arg.value.pointer.vtable->copy == |
| expected_arg.value.pointer.vtable->copy && |
| arg.value.pointer.vtable->destroy == |
| expected_arg.value.pointer.vtable->destroy; |
| } |
| } |
| } |
| return false; |
| } |
| grpc_arg_pointer_vtable pointer_vtable_; |
| ChannelArguments channel_args_; |
| }; |
| |
| TEST_F(ChannelArgumentsTest, SetInt) { |
| VerifyDefaultChannelArgs(); |
| grpc::string key0("key0"); |
| grpc_arg arg0; |
| arg0.type = GRPC_ARG_INTEGER; |
| arg0.key = const_cast<char*>(key0.c_str()); |
| arg0.value.integer = 0; |
| grpc::string key1("key1"); |
| grpc_arg arg1; |
| arg1.type = GRPC_ARG_INTEGER; |
| arg1.key = const_cast<char*>(key1.c_str()); |
| arg1.value.integer = 1; |
| |
| grpc::string arg_key0(key0); |
| channel_args_.SetInt(arg_key0, arg0.value.integer); |
| // Clear key early to make sure channel_args takes a copy |
| arg_key0.clear(); |
| EXPECT_TRUE(HasArg(arg0)); |
| |
| grpc::string arg_key1(key1); |
| channel_args_.SetInt(arg_key1, arg1.value.integer); |
| arg_key1.clear(); |
| EXPECT_TRUE(HasArg(arg0)); |
| EXPECT_TRUE(HasArg(arg1)); |
| } |
| |
| TEST_F(ChannelArgumentsTest, SetString) { |
| VerifyDefaultChannelArgs(); |
| grpc::string key0("key0"); |
| grpc::string val0("val0"); |
| grpc_arg arg0; |
| arg0.type = GRPC_ARG_STRING; |
| arg0.key = const_cast<char*>(key0.c_str()); |
| arg0.value.string = const_cast<char*>(val0.c_str()); |
| grpc::string key1("key1"); |
| grpc::string val1("val1"); |
| grpc_arg arg1; |
| arg1.type = GRPC_ARG_STRING; |
| arg1.key = const_cast<char*>(key1.c_str()); |
| arg1.value.string = const_cast<char*>(val1.c_str()); |
| |
| grpc::string key(key0); |
| grpc::string val(val0); |
| channel_args_.SetString(key, val); |
| // Clear key/val early to make sure channel_args takes a copy |
| key = ""; |
| val = ""; |
| EXPECT_TRUE(HasArg(arg0)); |
| |
| key = key1; |
| val = val1; |
| channel_args_.SetString(key, val); |
| // Clear key/val early to make sure channel_args takes a copy |
| key = ""; |
| val = ""; |
| EXPECT_TRUE(HasArg(arg0)); |
| EXPECT_TRUE(HasArg(arg1)); |
| } |
| |
| TEST_F(ChannelArgumentsTest, SetPointer) { |
| VerifyDefaultChannelArgs(); |
| grpc::string key0("key0"); |
| grpc_arg arg0; |
| arg0.type = GRPC_ARG_POINTER; |
| arg0.key = const_cast<char*>(key0.c_str()); |
| arg0.value.pointer.p = &key0; |
| arg0.value.pointer.vtable = &pointer_vtable_; |
| |
| grpc::string key(key0); |
| channel_args_.SetPointer(key, arg0.value.pointer.p); |
| EXPECT_TRUE(HasArg(arg0)); |
| } |
| |
| TEST_F(ChannelArgumentsTest, SetSocketMutator) { |
| VerifyDefaultChannelArgs(); |
| grpc_arg arg0, arg1; |
| TestSocketMutator* mutator0 = new TestSocketMutator(); |
| TestSocketMutator* mutator1 = new TestSocketMutator(); |
| arg0 = grpc_socket_mutator_to_arg(mutator0); |
| arg1 = grpc_socket_mutator_to_arg(mutator1); |
| |
| channel_args_.SetSocketMutator(mutator0); |
| EXPECT_TRUE(HasArg(arg0)); |
| |
| channel_args_.SetSocketMutator(mutator1); |
| EXPECT_TRUE(HasArg(arg1)); |
| // arg0 is replaced by arg1 |
| EXPECT_FALSE(HasArg(arg0)); |
| } |
| |
| TEST_F(ChannelArgumentsTest, SetUserAgentPrefix) { |
| VerifyDefaultChannelArgs(); |
| grpc::string prefix("prefix"); |
| grpc::string whole_prefix = prefix + " " + GetDefaultUserAgentPrefix(); |
| grpc_arg arg0; |
| arg0.type = GRPC_ARG_STRING; |
| arg0.key = const_cast<char*>(GRPC_ARG_PRIMARY_USER_AGENT_STRING); |
| arg0.value.string = const_cast<char*>(whole_prefix.c_str()); |
| |
| channel_args_.SetUserAgentPrefix(prefix); |
| EXPECT_TRUE(HasArg(arg0)); |
| |
| // Test if the user agent string is copied correctly |
| ChannelArguments new_channel_args(channel_args_); |
| grpc_channel_args args; |
| SetChannelArgs(new_channel_args, &args); |
| bool found = false; |
| for (size_t i = 0; i < args.num_args; i++) { |
| const grpc_arg& arg = args.args[i]; |
| if (arg.type == GRPC_ARG_STRING && |
| grpc::string(arg.key) == GRPC_ARG_PRIMARY_USER_AGENT_STRING) { |
| EXPECT_FALSE(found); |
| EXPECT_EQ(0, strcmp(arg.value.string, arg0.value.string)); |
| found = true; |
| } |
| } |
| EXPECT_TRUE(found); |
| } |
| |
| } // namespace testing |
| } // namespace grpc |
| |
| int main(int argc, char** argv) { |
| ::testing::InitGoogleTest(&argc, argv); |
| return RUN_ALL_TESTS(); |
| } |