blob: 7bf8d7f93f63abe213914f9627a075073787ec5b [file] [log] [blame]
// Copyright 2020 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/base_server_writer.h"
#include <algorithm>
#include <cstdint>
#include <cstring>
#include "gtest/gtest.h"
#include "pw_rpc/internal/service.h"
#include "pw_rpc/server_context.h"
#include "pw_rpc_private/test_utils.h"
namespace pw::rpc {
class TestService : public internal::Service {
public:
constexpr TestService(uint32_t id)
: Service(id, span(&method, 1)), method(8) {}
internal::Method method;
};
namespace internal {
namespace {
using std::byte;
TEST(BaseServerWriter, ConstructWithContext_StartsOpen) {
ServerContextForTest<TestService> context;
BaseServerWriter writer(context.get());
EXPECT_TRUE(writer.open());
}
TEST(BaseServerWriter, Move_ClosesOriginal) {
ServerContextForTest<TestService> context;
BaseServerWriter moved(context.get());
BaseServerWriter writer(std::move(moved));
EXPECT_FALSE(moved.open());
EXPECT_TRUE(writer.open());
}
class FakeServerWriter : public BaseServerWriter {
public:
constexpr FakeServerWriter(ServerCall& context) : BaseServerWriter(context) {}
constexpr FakeServerWriter() = default;
Status Write(span<const byte> response) {
span buffer = AcquireBuffer();
std::memcpy(buffer.data(),
response.data(),
std::min(buffer.size(), response.size()));
return SendAndReleaseBuffer(buffer.first(response.size()));
}
};
TEST(ServerWriter, DefaultConstruct_Closed) {
FakeServerWriter writer;
EXPECT_FALSE(writer.open());
}
TEST(ServerWriter, Close) {
ServerContextForTest<TestService> context;
FakeServerWriter writer(context.get());
ASSERT_TRUE(writer.open());
writer.close();
EXPECT_FALSE(writer.open());
}
TEST(ServerWriter, Open_SendsPacketWithPayload) {
ServerContextForTest<TestService> context;
FakeServerWriter writer(context.get());
constexpr byte data[] = {byte{0xf0}, byte{0x0d}};
ASSERT_EQ(Status::OK, writer.Write(data));
byte encoded[64];
auto sws = context.packet(data).Encode(encoded);
ASSERT_EQ(Status::OK, sws.status());
EXPECT_EQ(sws.size(), context.output().sent_packet().size());
EXPECT_EQ(
0,
std::memcmp(encoded, context.output().sent_packet().data(), sws.size()));
}
TEST(ServerWriter, Closed_IgnoresPacket) {
ServerContextForTest<TestService> context;
FakeServerWriter writer(context.get());
writer.close();
constexpr byte data[] = {byte{0xf0}, byte{0x0d}};
EXPECT_EQ(Status::FAILED_PRECONDITION, writer.Write(data));
}
} // namespace
} // namespace internal
} // namespace pw::rpc