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// 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 <span>
#include "gtest/gtest.h"
#include "pw_protobuf/encoder.h"
#include "pw_stream/memory_stream.h"
// These header files contain the code generated by the pw_protobuf plugin.
// They are re-generated every time the tests are built and are used by the
// tests to ensure that the interface remains consistent.
//
// The purpose of the tests in this file is primarily to verify that the
// generated C++ interface is valid rather than the correctness of the
// low-level encoder.
#include "pw_protobuf_test_protos/full_test.pwpb.h"
#include "pw_protobuf_test_protos/importer.pwpb.h"
#include "pw_protobuf_test_protos/non_pw_package.pwpb.h"
#include "pw_protobuf_test_protos/proto2.pwpb.h"
#include "pw_protobuf_test_protos/repeated.pwpb.h"
namespace pw::protobuf {
namespace {
using namespace pw::protobuf::test;
TEST(Codegen, Codegen) {
std::byte encode_buffer[512];
std::byte temp_buffer[512];
stream::MemoryWriter writer(encode_buffer);
Pigweed::StreamEncoder pigweed(writer, temp_buffer);
pigweed.WriteMagicNumber(73);
pigweed.WriteZiggy(-111);
pigweed.WriteErrorMessage("not a typewriter");
pigweed.WriteBin(Pigweed::Protobuf::Binary::ZERO);
{
Pigweed::Pigweed::StreamEncoder pigweed_pigweed =
pigweed.GetPigweedEncoder();
pigweed_pigweed.WriteStatus(Bool::FILE_NOT_FOUND);
ASSERT_EQ(pigweed_pigweed.status(), OkStatus());
}
{
Proto::StreamEncoder proto = pigweed.GetProtoEncoder();
proto.WriteBin(Proto::Binary::OFF);
proto.WritePigweedPigweedBin(Pigweed::Pigweed::Binary::ZERO);
proto.WritePigweedProtobufBin(Pigweed::Protobuf::Binary::ZERO);
{
Pigweed::Protobuf::Compiler::StreamEncoder meta = proto.GetMetaEncoder();
meta.WriteFileName("/etc/passwd");
meta.WriteStatus(Pigweed::Protobuf::Compiler::Status::FUBAR);
}
{
Pigweed::StreamEncoder nested_pigweed = proto.GetPigweedEncoder();
nested_pigweed.WriteErrorMessage("here we go again");
nested_pigweed.WriteMagicNumber(616);
{
DeviceInfo::StreamEncoder device_info =
nested_pigweed.GetDeviceInfoEncoder();
{
KeyValuePair::StreamEncoder attributes =
device_info.GetAttributesEncoder();
attributes.WriteKey("version");
attributes.WriteValue("5.3.1");
}
{
KeyValuePair::StreamEncoder attributes =
device_info.GetAttributesEncoder();
attributes.WriteKey("chip");
attributes.WriteValue("left-soc");
}
device_info.WriteStatus(DeviceInfo::DeviceStatus::PANIC);
}
}
}
for (int i = 0; i < 5; ++i) {
Proto::ID::StreamEncoder id = pigweed.GetIdEncoder();
id.WriteId(5 * i * i + 3 * i + 49);
}
// clang-format off
constexpr uint8_t expected_proto[] = {
// pigweed.magic_number
0x08, 0x49,
// pigweed.ziggy
0x10, 0xdd, 0x01,
// pigweed.error_message
0x2a, 0x10, 'n', 'o', 't', ' ', 'a', ' ',
't', 'y', 'p', 'e', 'w', 'r', 'i', 't', 'e', 'r',
// pigweed.bin
0x40, 0x01,
// pigweed.pigweed
0x3a, 0x02,
// pigweed.pigweed.status
0x08, 0x02,
// pigweed.proto
0x4a, 0x56,
// pigweed.proto.bin
0x10, 0x00,
// pigweed.proto.pigweed_pigweed_bin
0x18, 0x00,
// pigweed.proto.pigweed_protobuf_bin
0x20, 0x01,
// pigweed.proto.meta
0x2a, 0x0f,
// pigweed.proto.meta.file_name
0x0a, 0x0b, '/', 'e', 't', 'c', '/', 'p', 'a', 's', 's', 'w', 'd',
// pigweed.proto.meta.status
0x10, 0x02,
// pigweed.proto.nested_pigweed
0x0a, 0x3d,
// pigweed.proto.nested_pigweed.error_message
0x2a, 0x10, 'h', 'e', 'r', 'e', ' ', 'w', 'e', ' ',
'g', 'o', ' ', 'a', 'g', 'a', 'i', 'n',
// pigweed.proto.nested_pigweed.magic_number
0x08, 0xe8, 0x04,
// pigweed.proto.nested_pigweed.device_info
0x32, 0x26,
// pigweed.proto.nested_pigweed.device_info.attributes[0]
0x22, 0x10,
// pigweed.proto.nested_pigweed.device_info.attributes[0].key
0x0a, 0x07, 'v', 'e', 'r', 's', 'i', 'o', 'n',
// pigweed.proto.nested_pigweed.device_info.attributes[0].value
0x12, 0x05, '5', '.', '3', '.', '1',
// pigweed.proto.nested_pigweed.device_info.attributes[1]
0x22, 0x10,
// pigweed.proto.nested_pigweed.device_info.attributes[1].key
0x0a, 0x04, 'c', 'h', 'i', 'p',
// pigweed.proto.nested_pigweed.device_info.attributes[1].value
0x12, 0x08, 'l', 'e', 'f', 't', '-', 's', 'o', 'c',
// pigweed.proto.nested_pigweed.device_info.status
0x18, 0x03,
// pigweed.id[0]
0x52, 0x02,
// pigweed.id[0].id
0x08, 0x31,
// pigweed.id[1]
0x52, 0x02,
// pigweed.id[1].id
0x08, 0x39,
// pigweed.id[2]
0x52, 0x02,
// pigweed.id[2].id
0x08, 0x4b,
// pigweed.id[3]
0x52, 0x02,
// pigweed.id[3].id
0x08, 0x67,
// pigweed.id[4]
0x52, 0x03,
// pigweed.id[4].id
0x08, 0x8d, 0x01
};
// clang-format on
ConstByteSpan result = writer.WrittenData();
ASSERT_EQ(pigweed.status(), OkStatus());
EXPECT_EQ(result.size(), sizeof(expected_proto));
EXPECT_EQ(std::memcmp(result.data(), expected_proto, sizeof(expected_proto)),
0);
}
TEST(Codegen, RecursiveSubmessage) {
std::byte encode_buffer[512];
NestedEncoder<20, 20> encoder(encode_buffer);
Crate::Encoder biggest_crate(&encoder);
biggest_crate.WriteName("Huge crate");
{
Crate::Encoder medium_crate = biggest_crate.GetSmallerCratesEncoder();
medium_crate.WriteName("Medium crate");
{
Crate::Encoder small_crate = medium_crate.GetSmallerCratesEncoder();
small_crate.WriteName("Small crate");
}
{
Crate::Encoder tiny_crate = medium_crate.GetSmallerCratesEncoder();
tiny_crate.WriteName("Tiny crate");
}
}
// clang-format off
constexpr uint8_t expected_proto[] = {
// crate.name
0x0a, 0x0a, 'H', 'u', 'g', 'e', ' ', 'c', 'r', 'a', 't', 'e',
// crate.smaller_crate[0]
0x12, 0x2b,
// crate.smaller_crate[0].name
0x0a, 0x0c, 'M', 'e', 'd', 'i', 'u', 'm', ' ', 'c', 'r', 'a', 't', 'e',
// crate.smaller_crate[0].smaller_crate[0]
0x12, 0x0d,
// crate.smaller_crate[0].smaller_crate[0].name
0x0a, 0x0b, 'S', 'm', 'a', 'l', 'l', ' ', 'c', 'r', 'a', 't', 'e',
// crate.smaller_crate[0].smaller_crate[1]
0x12, 0x0c,
// crate.smaller_crate[0].smaller_crate[1].name
0x0a, 0x0a, 'T', 'i', 'n', 'y', ' ', 'c', 'r', 'a', 't', 'e',
};
// clang-format on
Result result = encoder.Encode();
ASSERT_EQ(result.status(), OkStatus());
EXPECT_EQ(result.value().size(), sizeof(expected_proto));
EXPECT_EQ(std::memcmp(
result.value().data(), expected_proto, sizeof(expected_proto)),
0);
}
TEST(CodegenRepeated, NonPackedScalar) {
std::byte encode_buffer[32];
NestedEncoder encoder(encode_buffer);
RepeatedTest::Encoder repeated_test(&encoder);
for (int i = 0; i < 4; ++i) {
repeated_test.WriteUint32s(i * 16);
}
constexpr uint8_t expected_proto[] = {
0x08, 0x00, 0x08, 0x10, 0x08, 0x20, 0x08, 0x30};
Result result = encoder.Encode();
ASSERT_EQ(result.status(), OkStatus());
EXPECT_EQ(result.value().size(), sizeof(expected_proto));
EXPECT_EQ(std::memcmp(
result.value().data(), expected_proto, sizeof(expected_proto)),
0);
}
TEST(CodegenRepeated, PackedScalar) {
std::byte encode_buffer[32];
NestedEncoder encoder(encode_buffer);
RepeatedTest::Encoder repeated_test(&encoder);
constexpr uint32_t values[] = {0, 16, 32, 48};
repeated_test.WriteUint32s(values);
constexpr uint8_t expected_proto[] = {0x0a, 0x04, 0x00, 0x10, 0x20, 0x30};
Result result = encoder.Encode();
ASSERT_EQ(result.status(), OkStatus());
EXPECT_EQ(result.value().size(), sizeof(expected_proto));
EXPECT_EQ(std::memcmp(
result.value().data(), expected_proto, sizeof(expected_proto)),
0);
}
TEST(CodegenRepeated, NonScalar) {
std::byte encode_buffer[32];
RepeatedTest::RamEncoder repeated_test(encode_buffer);
constexpr const char* strings[] = {"the", "quick", "brown", "fox"};
for (const char* s : strings) {
repeated_test.WriteStrings(s);
}
constexpr uint8_t expected_proto[] = {
0x1a, 0x03, 't', 'h', 'e', 0x1a, 0x5, 'q', 'u', 'i', 'c', 'k',
0x1a, 0x5, 'b', 'r', 'o', 'w', 'n', 0x1a, 0x3, 'f', 'o', 'x'};
ConstByteSpan result(repeated_test);
ASSERT_EQ(repeated_test.status(), OkStatus());
EXPECT_EQ(result.size(), sizeof(expected_proto));
EXPECT_EQ(std::memcmp(result.data(), expected_proto, sizeof(expected_proto)),
0);
}
TEST(CodegenRepeated, Message) {
std::byte encode_buffer[64];
NestedEncoder<1, 3> encoder(encode_buffer);
RepeatedTest::Encoder repeated_test(&encoder);
for (int i = 0; i < 3; ++i) {
auto structs = repeated_test.GetStructsEncoder();
structs.WriteOne(i * 1);
structs.WriteTwo(i * 2);
}
// clang-format off
constexpr uint8_t expected_proto[] = {
0x2a, 0x04, 0x08, 0x00, 0x10, 0x00, 0x2a, 0x04, 0x08,
0x01, 0x10, 0x02, 0x2a, 0x04, 0x08, 0x02, 0x10, 0x04};
// clang-format on
Result result = encoder.Encode();
ASSERT_EQ(result.status(), OkStatus());
EXPECT_EQ(result.value().size(), sizeof(expected_proto));
EXPECT_EQ(std::memcmp(
result.value().data(), expected_proto, sizeof(expected_proto)),
0);
}
TEST(Codegen, Proto2) {
std::byte encode_buffer[64];
NestedEncoder<1, 3> encoder(encode_buffer);
Foo::Encoder foo(&encoder);
foo.WriteInt(3);
{
constexpr std::byte data[] = {
std::byte(0xde), std::byte(0xad), std::byte(0xbe), std::byte(0xef)};
Bar::Encoder bar = foo.GetBarEncoder();
bar.WriteData(data);
}
constexpr uint8_t expected_proto[] = {
0x08, 0x03, 0x1a, 0x06, 0x0a, 0x04, 0xde, 0xad, 0xbe, 0xef};
Result result = encoder.Encode();
ASSERT_EQ(result.status(), OkStatus());
EXPECT_EQ(result.value().size(), sizeof(expected_proto));
EXPECT_EQ(std::memcmp(
result.value().data(), expected_proto, sizeof(expected_proto)),
0);
}
TEST(Codegen, Import) {
std::byte encode_buffer[64];
NestedEncoder<1, 3> encoder(encode_buffer);
Period::Encoder period(&encoder);
{
imported::Timestamp::Encoder start = period.GetStartEncoder();
start.WriteSeconds(1589501793);
start.WriteNanoseconds(511613110);
}
{
imported::Timestamp::Encoder end = period.GetEndEncoder();
end.WriteSeconds(1589501841);
end.WriteNanoseconds(490367432);
}
EXPECT_EQ(encoder.Encode().status(), OkStatus());
}
TEST(Codegen, NonPigweedPackage) {
using namespace non::pigweed::package::name;
std::byte encode_buffer[64];
std::array<const int64_t, 2> repeated = {0, 1};
NestedEncoder<1, 2> encoder(encode_buffer);
Packed::Encoder packed(&encoder);
packed.WriteRep(std::span<const int64_t>(repeated));
packed.WritePacked("packed");
EXPECT_EQ(encoder.Encode().status(), OkStatus());
}
} // namespace
} // namespace pw::protobuf