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// Copyright 2021 The Pigweed 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
//
// https://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 "pw_rpc/internal/method.h"
#include <array>
#include "gtest/gtest.h"
#include "pw_rpc/internal/packet.h"
#include "pw_rpc/method_type.h"
#include "pw_rpc/server.h"
#include "pw_rpc_private/test_method.h"
namespace pw::rpc::internal {
namespace {
// Test the helper functions for the MethodType enum.
static_assert(!HasServerStream(MethodType::kUnary));
static_assert(HasServerStream(MethodType::kServerStreaming));
static_assert(!HasServerStream(MethodType::kClientStreaming));
static_assert(HasServerStream(MethodType::kBidirectionalStreaming));
static_assert(!HasClientStream(MethodType::kUnary));
static_assert(!HasClientStream(MethodType::kServerStreaming));
static_assert(HasClientStream(MethodType::kClientStreaming));
static_assert(HasClientStream(MethodType::kBidirectionalStreaming));
class TestService : public Service {
public:
TestService() : Service(5678, kMethods) {}
static constexpr std::array<TestMethodUnion, 1> kMethods = {TestMethod(1234)};
};
const TestMethod& kTestMethod = TestService::kMethods.front().test_method();
TEST(Method, Id) { EXPECT_EQ(kTestMethod.id(), 1234u); }
TEST(Method, Invoke) {
class NullChannelOutput final : public ChannelOutput {
public:
constexpr NullChannelOutput() : ChannelOutput("NullChannelOutput") {}
Status Send(ConstByteSpan) override { return OkStatus(); }
} channel_output;
Channel channel(123, &channel_output);
Server server(span(static_cast<rpc::Channel*>(&channel), 1));
TestService service;
const CallContext context(server, channel.id(), service, kTestMethod, 0);
Packet empty_packet;
EXPECT_EQ(kTestMethod.invocations(), 0u);
rpc_lock().lock();
kTestMethod.Invoke(context, empty_packet);
EXPECT_EQ(kTestMethod.invocations(), 1u);
}
} // namespace
} // namespace pw::rpc::internal
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