mirror of
https://github.com/kidfromjupiter/nearby.git
synced 2026-09-14 22:56:12 -04:00
122 lines
4.7 KiB
C++
122 lines
4.7 KiB
C++
// Copyright 2023 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of 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,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "internal/weave/packetizer.h"
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#include <utility>
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#include "gmock/gmock.h"
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#include "protobuf-matchers/protocol-buffer-matchers.h"
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#include "gtest/gtest.h"
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#include "absl/status/status.h"
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#include "internal/weave/packet.h"
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namespace nearby {
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namespace weave {
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namespace {
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using ::testing::status::StatusIs;
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TEST(PacketizerTest, TestAddPacket) {
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Packet packet1 = Packet::CreateDataPacket(
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/*is_first_packet=*/true, /*is_last_packet=*/false, ByteArray("hello"));
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EXPECT_OK(packet1.SetPacketCounter(1));
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Packet packet2 = Packet::CreateDataPacket(
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/*is_first_packet=*/false, /*is_last_packet=*/true, ByteArray("world"));
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EXPECT_OK(packet2.SetPacketCounter(2));
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Packetizer packetizer;
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EXPECT_OK(packetizer.AddPacket(std::move(packet1)));
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EXPECT_THAT(packetizer.TakeMessage(),
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StatusIs(absl::StatusCode::kUnavailable));
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EXPECT_OK(packetizer.AddPacket(std::move(packet2)));
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auto message = packetizer.TakeMessage();
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ASSERT_OK(message);
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EXPECT_EQ(message->string_data(), "helloworld");
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}
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TEST(PacketizerTest, TestAddPacketTwice) {
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Packet packet1 = Packet::CreateDataPacket(
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/*is_first_packet=*/true, /*is_last_packet=*/false, ByteArray("hello"));
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EXPECT_OK(packet1.SetPacketCounter(1));
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Packet packet1_copy = Packet::CreateDataPacket(
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/*is_first_packet=*/true, /*is_last_packet=*/false, ByteArray("hello"));
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EXPECT_OK(packet1_copy.SetPacketCounter(1));
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Packet packet2 = Packet::CreateDataPacket(
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/*is_first_packet=*/false, /*is_last_packet=*/true, ByteArray("world"));
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EXPECT_OK(packet2.SetPacketCounter(2));
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Packet packet2_copy = Packet::CreateDataPacket(
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/*is_first_packet=*/false, /*is_last_packet=*/true, ByteArray("world"));
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EXPECT_OK(packet2_copy.SetPacketCounter(2));
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Packetizer packetizer;
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EXPECT_OK(packetizer.AddPacket(std::move(packet1)));
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EXPECT_OK(packetizer.AddPacket(std::move(packet2)));
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absl::StatusOr<ByteArray> message = packetizer.TakeMessage();
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ASSERT_OK(message);
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EXPECT_EQ(message->string_data(), "helloworld");
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EXPECT_OK(packetizer.AddPacket(std::move(packet1_copy)));
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EXPECT_OK(packetizer.AddPacket(std::move(packet2_copy)));
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message = packetizer.TakeMessage();
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EXPECT_OK(message);
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// Make sure it isn't helloworldhelloworld.
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EXPECT_EQ(message->string_data(), "helloworld");
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}
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TEST(PacketizerTest, TestReset) {
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Packet packet1 = Packet::CreateDataPacket(
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/*is_first_packet=*/true, /*is_last_packet=*/false, ByteArray("hello"));
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EXPECT_OK(packet1.SetPacketCounter(1));
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Packet packet1_copy = Packet::CreateDataPacket(
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/*is_first_packet=*/true, /*is_last_packet=*/false, ByteArray("hello"));
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EXPECT_OK(packet1_copy.SetPacketCounter(1));
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Packet packet2 = Packet::CreateDataPacket(
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/*is_first_packet=*/false, /*is_last_packet=*/true, ByteArray("world"));
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EXPECT_OK(packet2.SetPacketCounter(2));
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Packet packet2_copy = Packet::CreateDataPacket(
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/*is_first_packet=*/false, /*is_last_packet=*/true, ByteArray("world"));
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EXPECT_OK(packet2_copy.SetPacketCounter(2));
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Packetizer packetizer;
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EXPECT_OK(packetizer.AddPacket(std::move(packet1)));
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packetizer.Reset();
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EXPECT_THAT(packetizer.AddPacket(std::move(packet2)),
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StatusIs(absl::StatusCode::kInvalidArgument));
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EXPECT_OK(packetizer.AddPacket(std::move(packet1_copy)));
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EXPECT_THAT(packetizer.TakeMessage(),
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StatusIs(absl::StatusCode::kUnavailable));
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EXPECT_OK(packetizer.AddPacket(std::move(packet2_copy)));
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absl::StatusOr<ByteArray> message = packetizer.TakeMessage();
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EXPECT_OK(message);
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EXPECT_EQ(message.value(), ByteArray("helloworld"));
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}
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TEST(PacketizerTest, TestAddTwoFirstPacketsFails) {
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Packet packet = Packet::CreateDataPacket(
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/*is_first_packet=*/true, /*is_last_packet=*/false, ByteArray("hello"));
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Packet copy = Packet::CreateDataPacket(
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/*is_first_packet=*/true, /*is_last_packet=*/false, ByteArray("hello"));
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EXPECT_OK(packet.SetPacketCounter(1));
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Packetizer packetizer;
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EXPECT_OK(packetizer.AddPacket(std::move(packet)));
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EXPECT_THAT(packetizer.AddPacket(std::move(copy)),
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StatusIs(absl::StatusCode::kInvalidArgument));
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}
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} // namespace
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} // namespace weave
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} // namespace nearby
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