118 lines
4.3 KiB
C++
118 lines
4.3 KiB
C++
#include <unistd.h>
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#include <catch2/catch_test_macros.hpp>
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#include <fstream>
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#include "fsfw/container/DynamicFIFO.h"
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#include "fsfw/container/SimpleRingBuffer.h"
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#include "fsfw/platform.h"
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#include "fsfw/serviceinterface.h"
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#include "fsfw_hal/linux/CommandExecutor.h"
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#ifdef PLATFORM_UNIX
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static const char TEST_FILE_NAME[] = "/tmp/fsfw-unittest-test.txt";
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TEST_CASE("Command Executor", "[cmd-exec]") {
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// Check blocking mode first
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CommandExecutor cmdExecutor(1024);
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std::string cmd = "echo \"test\" >> " + std::string(TEST_FILE_NAME);
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REQUIRE(cmdExecutor.getCurrentState() == CommandExecutor::States::IDLE);
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ReturnValue_t result = cmdExecutor.load(cmd, true, true);
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REQUIRE(cmdExecutor.getCurrentState() == CommandExecutor::States::COMMAND_LOADED);
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REQUIRE(result == HasReturnvaluesIF::RETURN_OK);
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REQUIRE(cmdExecutor.execute() == HasReturnvaluesIF::RETURN_OK);
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// Check that file exists with contents
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std::ifstream file(TEST_FILE_NAME);
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std::string line;
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std::getline(file, line);
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CHECK(line == "test");
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std::remove(TEST_FILE_NAME);
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REQUIRE(cmdExecutor.getCurrentState() == CommandExecutor::States::IDLE);
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// Now check non-blocking mode
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SimpleRingBuffer outputBuffer(524, true);
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DynamicFIFO<uint16_t> sizesFifo(12);
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cmdExecutor.setRingBuffer(&outputBuffer, &sizesFifo);
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result = cmdExecutor.load("echo \"Hello World\"", false, false);
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REQUIRE(result == HasReturnvaluesIF::RETURN_OK);
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cmdExecutor.execute();
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bool bytesHaveBeenRead = false;
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size_t limitIdx = 0;
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while (result != CommandExecutor::EXECUTION_FINISHED) {
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limitIdx++;
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result = cmdExecutor.check(bytesHaveBeenRead);
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REQUIRE(result != CommandExecutor::COMMAND_ERROR);
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usleep(500);
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REQUIRE(limitIdx < 500);
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}
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limitIdx = 0;
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CHECK(bytesHaveBeenRead == true);
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CHECK(result == CommandExecutor::EXECUTION_FINISHED);
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uint16_t readBytes = 0;
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sizesFifo.retrieve(&readBytes);
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REQUIRE(readBytes == 12);
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REQUIRE(outputBuffer.getAvailableReadData() == 12);
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uint8_t readBuffer[32] = {};
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REQUIRE(outputBuffer.readData(readBuffer, 12) == HasReturnvaluesIF::RETURN_OK);
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std::string readString(reinterpret_cast<char*>(readBuffer));
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std::string cmpString = "Hello World\n";
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CHECK(readString == cmpString);
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outputBuffer.deleteData(12, true);
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// Issues with CI/CD. Might be replaced with variant using echo
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#if FSFW_CICD_BUILD == 0
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// Test more complex command
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result = cmdExecutor.load("ping -c 1 localhost", false, false);
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REQUIRE(cmdExecutor.getCurrentState() == CommandExecutor::States::COMMAND_LOADED);
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REQUIRE(cmdExecutor.execute() == HasReturnvaluesIF::RETURN_OK);
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REQUIRE(cmdExecutor.getCurrentState() == CommandExecutor::States::PENDING);
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limitIdx = 0;
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while (result != CommandExecutor::EXECUTION_FINISHED) {
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limitIdx++;
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result = cmdExecutor.check(bytesHaveBeenRead);
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REQUIRE(result != CommandExecutor::COMMAND_ERROR);
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// This ensures that the tests do not block indefinitely
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usleep(500);
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REQUIRE(limitIdx < 500);
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}
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limitIdx = 0;
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CHECK(bytesHaveBeenRead == true);
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CHECK(result == CommandExecutor::EXECUTION_FINISHED);
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REQUIRE(cmdExecutor.getCurrentState() == CommandExecutor::States::IDLE);
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readBytes = 0;
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sizesFifo.retrieve(&readBytes);
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// That's about the size of the reply
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bool beTrue = (readBytes > 100) and (readBytes < 400);
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REQUIRE(beTrue);
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uint8_t largerReadBuffer[1024] = {};
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outputBuffer.readData(largerReadBuffer, readBytes);
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// You can also check this output in the debugger
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std::string allTheReply(reinterpret_cast<char*>(largerReadBuffer));
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// I am just going to assume that this string is the same across ping implementations
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// of different Linux systems
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REQUIRE(allTheReply.find("PING localhost") != std::string::npos);
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#endif
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// Now check failing command
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result = cmdExecutor.load("false", false, false);
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REQUIRE(result == HasReturnvaluesIF::RETURN_OK);
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result = cmdExecutor.execute();
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REQUIRE(result == HasReturnvaluesIF::RETURN_OK);
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while (result != CommandExecutor::EXECUTION_FINISHED and
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result != HasReturnvaluesIF::RETURN_FAILED) {
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limitIdx++;
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result = cmdExecutor.check(bytesHaveBeenRead);
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REQUIRE(result != CommandExecutor::COMMAND_ERROR);
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// This ensures that the tests do not block indefinitely
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usleep(500);
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REQUIRE(limitIdx < 500);
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}
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REQUIRE(result == HasReturnvaluesIF::RETURN_FAILED);
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REQUIRE(cmdExecutor.getLastError() == 1);
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}
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#endif
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