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86 lines
2.7 KiB
86 lines
2.7 KiB
// Copyright 2020 The Pigweed Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not
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// use this file except in compliance with the License. You may obtain a copy of
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// the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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// License for the specific language governing permissions and limitations under
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// the License.
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#include "pw_rpc/client_server.h"
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#include "gtest/gtest.h"
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#include "pw_rpc/internal/packet.h"
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#include "pw_rpc/internal/raw_method_union.h"
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#include "pw_rpc/server_context.h"
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#include "pw_rpc/service.h"
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#include "pw_rpc_private/internal_test_utils.h"
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namespace pw::rpc::internal {
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namespace {
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constexpr uint32_t kFakeChannelId = 1;
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constexpr uint32_t kFakeServiceId = 3;
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constexpr uint32_t kFakeMethodId = 10;
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TestOutput<32> output;
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rpc::Channel channels[] = {Channel::Create<kFakeChannelId>(&output)};
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StatusWithSize FakeMethod(ServerContext&, ConstByteSpan, ByteSpan) {
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return StatusWithSize::Unimplemented();
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}
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class FakeService : public Service {
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public:
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FakeService(uint32_t id) : Service(id, kMethods) {}
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static constexpr std::array<RawMethodUnion, 1> kMethods = {
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RawMethod::Unary<FakeMethod>(kFakeMethodId),
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};
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};
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FakeService service(kFakeServiceId);
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TEST(ClientServer, ProcessPacket_CallsServer) {
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ClientServer client_server(channels);
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client_server.server().RegisterService(service);
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Packet packet(
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PacketType::REQUEST, kFakeChannelId, kFakeServiceId, kFakeMethodId);
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std::array<std::byte, 32> buffer;
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Result result = packet.Encode(buffer);
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EXPECT_EQ(result.status(), OkStatus());
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EXPECT_EQ(client_server.ProcessPacket(result.value(), output), OkStatus());
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}
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TEST(ClientServer, ProcessPacket_CallsClient) {
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ClientServer client_server(channels);
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client_server.server().RegisterService(service);
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// Same packet as above, but type RESPONSE will skip the server and call into
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// the client.
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Packet packet(
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PacketType::RESPONSE, kFakeChannelId, kFakeServiceId, kFakeMethodId);
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std::array<std::byte, 32> buffer;
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Result result = packet.Encode(buffer);
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EXPECT_EQ(result.status(), OkStatus());
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// No calls are registered on the client, so this should fail.
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EXPECT_EQ(client_server.ProcessPacket(result.value(), output),
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Status::NotFound());
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}
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TEST(ClientServer, ProcessPacket_BadData) {
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ClientServer client_server(channels);
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EXPECT_EQ(client_server.ProcessPacket({}, output), Status::DataLoss());
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}
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} // namespace
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} // namespace pw::rpc::internal
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