brpc_proto_unittest.cpp 2.2 KB
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// Copyright (c) 2014 Baidu, Inc.
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// Date: 2015/03/31 14:50:20


#include <gtest/gtest.h>
#include <google/protobuf/descriptor.h>
#include <google/protobuf/descriptor.pb.h>
#include <google/protobuf/dynamic_message.h>
#include "brpc/policy/baidu_rpc_meta.pb.h"
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#include "echo.pb.h"
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namespace {
using namespace google::protobuf;
using namespace brpc;

void BuildDependency(const FileDescriptor *file_desc, DescriptorPool *pool) {
    for (int i = 0; i < file_desc->dependency_count(); ++i) {
        const FileDescriptor *fd = file_desc->dependency(i);
        BuildDependency(fd, pool);
        FileDescriptorProto proto;
        fd->CopyTo(&proto);
        ASSERT_TRUE(pool->BuildFile(proto) != NULL);
    }
    FileDescriptorProto proto;
    file_desc->CopyTo(&proto);
    ASSERT_TRUE(pool->BuildFile(proto) != NULL);
}

TEST(ProtoTest, proto) {
    policy::RpcMeta meta;
    const Descriptor *desc = meta.GetDescriptor();
    const FileDescriptor *file_desc = desc->file();
    DescriptorPool pool;
    DynamicMessageFactory factory(&pool);
    BuildDependency(file_desc, &pool);
    FileDescriptorProto file_desc_proto;
    file_desc->CopyTo(&file_desc_proto);
    const FileDescriptor *new_file_desc = pool.BuildFile(file_desc_proto);
    ASSERT_TRUE(new_file_desc != NULL);
    const Descriptor *new_desc = new_file_desc->FindMessageTypeByName(desc->name());
    ASSERT_TRUE(new_desc != NULL);
    meta.set_correlation_id(123);
    std::string data;
    ASSERT_TRUE(meta.SerializeToString(&data));
    Message *msg = factory.GetPrototype(new_desc)->New();
    ASSERT_TRUE(msg != NULL);
    ASSERT_TRUE(msg->ParseFromString(data));
    ASSERT_TRUE(msg->SerializeToString(&data));
    policy::RpcMeta new_meta;
    ASSERT_TRUE(new_meta.ParseFromString(data));
    ASSERT_EQ(123, new_meta.correlation_id());
}

TEST(ProtoTest, required_enum) {
    test::Message1 msg1;
    msg1.set_stat(test::STATE0_NUM_1);
    std::string buf;
    ASSERT_TRUE(msg1.SerializeToString(&buf));
    test::Message2 msg2;
    ASSERT_TRUE(msg2.ParseFromString(buf));
    ASSERT_EQ((int)msg1.stat(), (int)msg2.stat());
    msg1.set_stat(test::STATE0_NUM_2);
    ASSERT_TRUE(msg1.SerializeToString(&buf));
    ASSERT_FALSE(msg2.ParseFromString(buf));
}
} //namespace