completed basic test set

src/fsfw/timemanager/TimeReaderIF.h

@@ -8,7 +8,7 @@
 class TimeReaderIF {
  public:
   virtual ~TimeReaderIF() = default;
-  virtual ReturnValue_t readTimeStamp(const uint8_t* buffer, uint8_t maxSize) = 0;
+  virtual ReturnValue_t readTimeStamp(const uint8_t* buffer, size_t maxSize) = 0;
   // Would be nice to have this, but the clock backend needs to be redesigned
   // virtual ReturnValue_t readTimestampLen(const uint8_t* buffer, uint8_t maxSize, size_t&
   // timestampLen) = 0;

src/fsfw/tmtcpacket/pus/tc/PusTcReader.cpp

@@ -82,3 +82,5 @@ const uint8_t* PusTcReader::getUserData() const { return pointers.userDataStart;
 size_t PusTcReader::getUserDataLen() const { return appDataSize; }
 
 bool PusTcReader::isNull() const { return spReader.isNull(); }
+
+PusTcReader::operator bool() const { return not isNull(); }

src/fsfw/tmtcpacket/pus/tc/PusTcReader.h

@@ -33,16 +33,13 @@ class PusTcReader : public PusTcIF,
    * @param setData	The position where the packet data lies.
    */
   PusTcReader(const uint8_t* setData, size_t size);
+  ~PusTcReader() override;
 
+  explicit operator bool() const;
   [[nodiscard]] bool isNull() const;
   ReturnValue_t parseDataWithCrcCheck();
   ReturnValue_t parseDataWithoutCrcCheck();
 
-  /**
-   * This is the empty default destructor.
-   */
-  ~PusTcReader() override;
-
   /**
    * This is a debugging helper method that prints the whole packet content
    * to the screen.

src/fsfw/tmtcpacket/pus/tm/PusTmReader.cpp

@@ -71,8 +71,11 @@ ReturnValue_t PusTmReader::parseData(bool crcCheck) {
     return SerializeIF::STREAM_TOO_SHORT;
   }
   currentOffset += timestampLen;
-  pointers.userDataStart = pointers.spHeaderStart + currentOffset;
   sourceDataLen = spReader.getFullPacketLen() - currentOffset - sizeof(ecss::PusChecksumT);
+  pointers.userDataStart = nullptr;
+  if (sourceDataLen > 0) {
+    pointers.userDataStart = pointers.spHeaderStart + currentOffset;
+  }
   currentOffset += sourceDataLen;
   pointers.crcStart = pointers.spHeaderStart + currentOffset;
   if (crcCheck) {
@@ -84,3 +87,6 @@ ReturnValue_t PusTmReader::parseData(bool crcCheck) {
   }
   return HasReturnvaluesIF::RETURN_OK;
 }
+bool PusTmReader::isNull() const { return spReader.isNull(); }
+
+PusTmReader::operator bool() const { return not isNull(); }

src/fsfw/tmtcpacket/pus/tm/PusTmReader.h

@@ -21,6 +21,8 @@ class PusTmReader : public PusTmIF,
   ReturnValue_t parseDataWithCrcCheck();
   const uint8_t* getFullData() override;
 
+  explicit operator bool() const;
+  [[nodiscard]] bool isNull() const;
   void setTimeReader(TimeReaderIF* timeReader);
   TimeReaderIF* getTimeReader();
   ReturnValue_t setReadOnlyData(const uint8_t* data, size_t size);
@@ -30,8 +32,8 @@ class PusTmReader : public PusTmIF,
   [[nodiscard]] uint8_t getPusVersion() const override;
   [[nodiscard]] uint8_t getService() const override;
   [[nodiscard]] uint8_t getSubService() const override;
-  const uint8_t* getUserData() const override;
-  size_t getUserDataLen() const override;
+  [[nodiscard]] const uint8_t* getUserData() const override;
+  [[nodiscard]] size_t getUserDataLen() const override;
   uint8_t getScTimeRefStatus() override;
   uint16_t getMessageTypeCounter() override;
   uint16_t getDestId() override;

unittests/mocks/CdsShortTimestamperMock.h

@@ -5,9 +5,11 @@
 
 #include "fsfw/timemanager/TimeStamperIF.h"
 
-class CdsShortTimestamperMock : public TimeStamperIF {
+class CdsShortTimestamperMock : public TimeStamperIF, public TimeReaderIF {
  public:
   unsigned int serializeCallCount = 0;
+  unsigned int deserializeCallCount = 0;
+  ReturnValue_t lastDeserializeResult = HasReturnvaluesIF::RETURN_OK;
   ReturnValue_t lastSerializeResult = HasReturnvaluesIF::RETURN_OK;
   unsigned int getSizeCallCount = 0;
   std::array<uint8_t, 7> valueToStamp{};
@@ -38,8 +40,15 @@ class CdsShortTimestamperMock : public TimeStamperIF {
   }
   ReturnValue_t deSerialize(const uint8_t **buffer, size_t *size,
                             Endianness streamEndianness) override {
-    return HasReturnvaluesIF::RETURN_FAILED;
+    deserializeCallCount += 1;
+    if (*size < 7) {
+      lastDeserializeResult = SerializeIF::STREAM_TOO_SHORT;
+      return lastDeserializeResult;
+    }
+    std::copy(*buffer, *buffer + getSerializedSize(), valueToStamp.begin());
+    return lastDeserializeResult;
   }
+
   [[nodiscard]] size_t getTimestampSize() const override { return getSerializedSize(); }
   ReturnValue_t addTimeStamp(uint8_t *buffer, uint8_t maxSize) override { return 0; }
 
@@ -47,7 +56,13 @@ class CdsShortTimestamperMock : public TimeStamperIF {
     serializeCallCount = 0;
     getSizeCallCount = 0;
   }
+  ReturnValue_t readTimeStamp(const uint8_t *buffer, size_t maxSize) override {
+    return deSerialize(&buffer, &maxSize, SerializeIF::Endianness::NETWORK);
+  }
+  size_t getTimestampLen() override { return getSerializedSize(); }
+  timeval &getTime() override { return dummyTime; }
 
  private:
+  timeval dummyTime{};
 };
 #endif  // FSFW_TESTS_CDSSHORTTIMESTAMPERMOCK_H

unittests/tmtcpacket/testPusTcReader.cpp

@@ -14,13 +14,11 @@ TEST_CASE("PUS TC Reader", "[pus-tc-reader]") {
   uint8_t* dataPtr = buf.data();
   size_t serLen = 0;
   PusTcReader reader;
-  auto checkReaderFields = [&](PusTcReader& reader) {
-
-  };
 
   SECTION("State") {
     REQUIRE(creator.serialize(&dataPtr, &serLen, buf.size()) == HasReturnvaluesIF::RETURN_OK);
     REQUIRE(reader.isNull());
+    REQUIRE(not reader);
     PusTcReader* readerPtr = nullptr;
     bool callDelete = false;
     SECTION("Setter") {
@@ -35,6 +33,7 @@ TEST_CASE("PUS TC Reader", "[pus-tc-reader]") {
       REQUIRE(readerPtr->parseDataWithCrcCheck() == HasReturnvaluesIF::RETURN_OK);
     }
     REQUIRE(not readerPtr->isNull());
+    REQUIRE(*readerPtr);
     REQUIRE(readerPtr->getPacketType() == ccsds::PacketType::TC);
     REQUIRE(readerPtr->getApid() == 0x02);
     REQUIRE(readerPtr->getService() == 17);

unittests/tmtcpacket/testPusTmCreator.cpp

@@ -70,6 +70,7 @@ TEST_CASE("PUS TM Creator", "[pus-tm-creator]") {
     REQUIRE(CRC::crc16ccitt(buf.data(), serLen) == 0);
     REQUIRE(buf[20] == 0x03);
     REQUIRE(buf[21] == 0x79);
+    REQUIRE(timeStamper.serializeCallCount == 1);
   }
 
   SECTION("Custom Fields") {

unittests/tmtcpacket/testPusTmReader.cpp

@@ -1,18 +1,94 @@
 #include <catch2/catch_test_macros.hpp>
 
 #include "fsfw/tmtcpacket/pus/tm/PusTmCreator.h"
+#include "fsfw/tmtcpacket/pus/tm/PusTmReader.h"
 #include "mocks/CdsShortTimestamperMock.h"
 
 TEST_CASE("PUS TM Reader", "[pus-tm-reader]") {
   auto packetId = PacketId(ccsds::PacketType::TC, true, 0xef);
   auto spParams =
       SpacePacketParams(packetId, PacketSeqCtrl(ccsds::SequenceFlags::UNSEGMENTED, 22), 0x00);
-  auto timeStamper = CdsShortTimestamperMock();
-  auto pusTmParams = PusTmParams(17, 2, &timeStamper);
-  timeStamper.valueToStamp = {1, 2, 3, 4, 5, 6, 7};
+  auto timeStamperAndReader = CdsShortTimestamperMock();
+  auto pusTmParams = PusTmParams(17, 2, &timeStamperAndReader);
+  timeStamperAndReader.valueToStamp = {1, 2, 3, 4, 5, 6, 7};
   PusTmCreator creator(spParams, pusTmParams);
+  PusTmReader reader(&timeStamperAndReader);
+  std::array<uint8_t, 32> buf{};
+  uint8_t* dataPtr = buf.data();
+  size_t serLen = 0;
 
-  SECTION("State") {
-    
+  SECTION("Basic") {
+    PusTmReader* readerPtr = &reader;
+    bool deleteReader = false;
+    dataPtr = buf.data();
+    serLen = 0;
+    REQUIRE(creator.serialize(&dataPtr, &serLen, buf.size()) == HasReturnvaluesIF::RETURN_OK);
+    REQUIRE(not(*readerPtr));
+    REQUIRE(readerPtr->isNull());
+
+    SECTION("Setter") {
+      REQUIRE(readerPtr->setReadOnlyData(buf.data(), serLen) == HasReturnvaluesIF::RETURN_OK);
+    }
+    SECTION("Full Construction") {
+      readerPtr = new PusTmReader(&timeStamperAndReader, buf.data(), serLen);
+      deleteReader = true;
+    }
+    SECTION("Time Stamper set manually") {
+      readerPtr = new PusTmReader(buf.data(), serLen);
+      readerPtr->setTimeReader(&timeStamperAndReader);
+      deleteReader = true;
+    }
+    REQUIRE(readerPtr);
+    REQUIRE(not readerPtr->isNull());
+    REQUIRE(readerPtr->parseDataWithCrcCheck() == HasReturnvaluesIF::RETURN_OK);
+    REQUIRE(readerPtr->getService() == 17);
+    REQUIRE(readerPtr->getSubService() == 2);
+    REQUIRE(readerPtr->getApid() == 0xef);
+    REQUIRE(readerPtr->getSequenceFlags() == ccsds::SequenceFlags::UNSEGMENTED);
+    REQUIRE(readerPtr->getScTimeRefStatus() == 0);
+    REQUIRE(readerPtr->getDestId() == 0);
+    REQUIRE(readerPtr->getMessageTypeCounter() == 0);
+    REQUIRE(readerPtr->getTimeReader() == &timeStamperAndReader);
+    REQUIRE(readerPtr->getPusVersion() == 2);
+    REQUIRE(readerPtr->getPacketDataLen() == 15);
+    REQUIRE(readerPtr->getFullPacketLen() == 22);
+    REQUIRE(readerPtr->getUserDataLen() == 0);
+    REQUIRE(readerPtr->getUserData() == nullptr);
+    REQUIRE(readerPtr->getFullData() == buf.data());
+    if (deleteReader) {
+      delete readerPtr;
+    }
+  }
+
+  SECTION("Invalid CRC") {
+    REQUIRE(creator.serialize(&dataPtr, &serLen, buf.size()) == HasReturnvaluesIF::RETURN_OK);
+    buf[20] = 0;
+    REQUIRE(reader.setReadOnlyData(buf.data(), serLen) == HasReturnvaluesIF::RETURN_OK);
+    REQUIRE(reader.parseDataWithCrcCheck() == PusIF::INVALID_CRC_16);
+  }
+
+  SECTION("Set Time Reader") {
+    reader.setTimeReader(nullptr);
+    REQUIRE(reader.getTimeReader() == nullptr);
+  }
+
+  SECTION("Invalid CRC ignored") {
+    REQUIRE(creator.serialize(&dataPtr, &serLen, buf.size()) == HasReturnvaluesIF::RETURN_OK);
+    buf[20] = 0;
+    REQUIRE(reader.setReadOnlyData(buf.data(), serLen) == HasReturnvaluesIF::RETURN_OK);
+    REQUIRE(reader.parseDataWithoutCrcCheck() == HasReturnvaluesIF::RETURN_OK);
+  }
+
+  SECTION("Read with source data") {
+    std::array<uint8_t, 3> data{1, 2, 3};
+    creator.setRawUserData(data.data(), data.size());
+    REQUIRE(creator.serialize(&dataPtr, &serLen, buf.size()) == HasReturnvaluesIF::RETURN_OK);
+    REQUIRE(reader.setReadOnlyData(buf.data(), serLen) == HasReturnvaluesIF::RETURN_OK);
+    REQUIRE(reader.parseDataWithCrcCheck() == HasReturnvaluesIF::RETURN_OK);
+    REQUIRE(reader.getUserDataLen() == 3);
+    const uint8_t* roData = reader.getUserData();
+    REQUIRE(roData[0] == 1);
+    REQUIRE(roData[1] == 2);
+    REQUIRE(roData[2] == 3);
   }
 }