132 lines
4.7 KiB
C++
132 lines
4.7 KiB
C++
#include <array>
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#include <catch2/catch_test_macros.hpp>
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#include "fsfw/globalfunctions/CRC.h"
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#include "fsfw/tmtcpacket/pus/tc.h"
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#include "mocks/SimpleSerializable.h"
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TEST_CASE("PUS TC Creator", "[pus-tc-creator]") {
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auto packetId = PacketId(ccsds::PacketType::TC, true, 0x02);
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auto spParams =
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SpacePacketParams(packetId, PacketSeqCtrl(ccsds::SequenceFlags::UNSEGMENTED, 0x34), 0x00);
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auto pusParams = PusTcParams(17, 1);
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PusTcCreator creator(spParams, pusParams);
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std::array<uint8_t, 32> buf{};
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uint8_t* dataPtr = buf.data();
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size_t serLen = 0;
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SECTION("State") {
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CHECK(creator.isTc());
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CHECK(creator.hasSecHeader());
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CHECK(creator.getService() == 17);
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CHECK(creator.getSubService() == 1);
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CHECK(creator.getApid() == 0x02);
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CHECK(creator.getPusVersion() == 2);
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CHECK(creator.getAcknowledgeFlags() == 0b1111);
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CHECK(creator.getSourceId() == 0x00);
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CHECK(creator.getPacketSeqCtrlRaw() == 0xc034);
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// bytes CCSDS header, 5 bytes secondary header, 2 bytes CRC, 3 bytes app data
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CHECK(creator.getFullPacketLen() == 13);
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// The data length field is the full packet length minus the primary header minus 1
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CHECK(creator.getPacketDataLen() == 6);
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auto& paramsLocal = creator.getSpParams();
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CHECK(paramsLocal.packetId == packetId);
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}
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SECTION("Serialized") {
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REQUIRE(creator.serializeBe(&dataPtr, &serLen, buf.size()) == returnvalue::OK);
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REQUIRE(serLen == 13);
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REQUIRE(buf[0] == 0x18);
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REQUIRE(buf[1] == 0x02);
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// Unsegmented, first 2 bits 11
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REQUIRE(buf[2] == 0xc0);
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// Packet Sequence count only occupies lower byte of packet sequence control
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REQUIRE(buf[3] == 0x34);
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// Data length packed big endian
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REQUIRE(buf[4] == 0x00);
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REQUIRE(buf[5] == 0x06);
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// PUS Version C (2)
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REQUIRE(((buf[6] >> 4) & 0b1111) == 2);
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// All Ack Fields is default
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REQUIRE((buf[6] & 0b1111) == 0b1111);
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// Service and subservice
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REQUIRE(buf[7] == 17);
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REQUIRE(buf[8] == 1);
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// Source ID is 0
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REQUIRE(((buf[9] << 8) | buf[10]) == 0);
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// CRC16 check
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REQUIRE(CRC::crc16ccitt(buf.data(), serLen) == 0);
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REQUIRE(buf[11] == 0xee);
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REQUIRE(buf[12] == 0x63);
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}
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SECTION("Custom Source ID") {
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auto& params = creator.getPusParams();
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params.sourceId = 0x5ff;
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REQUIRE(creator.getSourceId() == 0x5ff);
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REQUIRE(creator.serializeBe(&dataPtr, &serLen, buf.size()) == returnvalue::OK);
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REQUIRE(((buf[9] << 8) | buf[10]) == 0x5ff);
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}
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SECTION("Test with Application Data Raw") {
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auto& params = creator.getPusParams();
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std::array<uint8_t, 3> data{1, 2, 3};
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params.setRawAppData(data.data(), data.size());
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// To get correct size information, the SP length field needs to be updated automatically
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REQUIRE(creator.getSerializedSize() == 13);
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creator.updateSpLengthField();
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REQUIRE(creator.getSerializedSize() == 16);
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REQUIRE(creator.serializeBe(&dataPtr, &serLen, buf.size()) == returnvalue::OK);
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REQUIRE(serLen == 16);
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REQUIRE(buf[11] == 1);
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REQUIRE(buf[12] == 2);
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REQUIRE(buf[13] == 3);
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}
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SECTION("Test with Application Data Serializable") {
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auto& params = creator.getPusParams();
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auto simpleSer = SimpleSerializable();
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creator.setSerializableUserData(simpleSer);
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REQUIRE(creator.getSerializedSize() == 16);
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REQUIRE(creator.serializeBe(&dataPtr, &serLen, buf.size()) == returnvalue::OK);
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REQUIRE(serLen == 16);
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REQUIRE(buf[11] == 1);
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REQUIRE(buf[12] == 2);
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REQUIRE(buf[13] == 3);
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}
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SECTION("Test with Application Data Serializable Simple Ser API") {
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auto& params = creator.getPusParams();
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auto simpleSer = SimpleSerializable();
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creator.setSerializableUserData(simpleSer);
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REQUIRE(creator.getSerializedSize() == 16);
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REQUIRE(creator.serializeBe(dataPtr, serLen, buf.size()) == returnvalue::OK);
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REQUIRE(serLen == 16);
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REQUIRE(buf[11] == 1);
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REQUIRE(buf[12] == 2);
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REQUIRE(buf[13] == 3);
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}
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SECTION("Deserialization Fails") {
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SerializeIF& deser = creator;
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size_t deserLen = buf.size();
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const uint8_t* roPtr = buf.data();
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REQUIRE(deser.deSerialize(&roPtr, &deserLen, SerializeIF::Endianness::NETWORK) ==
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returnvalue::FAILED);
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}
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SECTION("Serialize with invalid buffer length") {
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size_t reqSize = creator.getSerializedSize();
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for (size_t maxSize = 0; maxSize < reqSize; maxSize++) {
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dataPtr = buf.data();
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serLen = 0;
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REQUIRE(creator.serializeBe(&dataPtr, &serLen, maxSize) == SerializeIF::BUFFER_TOO_SHORT);
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}
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}
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SECTION("Invalid PUS Version") {
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auto& params = creator.getPusParams();
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params.pusVersion = 0;
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REQUIRE(creator.serializeBe(&dataPtr, &serLen, buf.size()) == PusIF::INVALID_PUS_VERSION);
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}
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} |