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/*
*
* Copyright 2015, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#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/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);
}
}
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));
// arg0 is destroyed by grpc_socket_mutator_to_arg(mutator1)
arg1.value.pointer.vtable->destroy(arg1.value.pointer.p);
}
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));
}
} // namespace testing
} // namespace grpc
int main(int argc, char** argv) {
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
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