kbf/test/test_spiffs.cpp

#include <unity.h>

#include <iostream>
#include <fstream>

#include "kbf/spiffs.h"

using std::ifstream;
using std::ofstream;
using std::cout;
using std::endl;

// TODO maybe use Kconfig? or set from CMake for DRY?
#define MOUNT_POINT "/spiffs_test"
#define READ_TEST_FILE MOUNT_POINT "/read_test.txt"
#define READ_TEST_STR "read_test_success"
#define WRITE_TEST_FILE MOUNT_POINT "/write_test.txt"
#define WRITE_TEST_STR "write_test_success"


TEST_CASE("SPIFFS read / write", "[kbf_spiffs]") {
    auto spiffs = kbf::SPIFFS(MOUNT_POINT);
    TEST_ASSERT_TRUE_MESSAGE(spiffs.mount(), "test configuration error: SPIFFS mount failed")

    auto readTest = ifstream(READ_TEST_FILE);
    TEST_ASSERT_MESSAGE(readTest, "read_test.txt not readable")

    string buffer;
    readTest >> buffer;
    readTest.close();
    TEST_ASSERT_EQUAL_STRING_MESSAGE(READ_TEST_STR, buffer.c_str(), "read test failed");

    auto writeTestOut = ofstream(WRITE_TEST_FILE);
    TEST_ASSERT_MESSAGE(writeTestOut, "write_test.txt not writable")
    writeTestOut << WRITE_TEST_STR;
    writeTestOut.close();

    auto writeTestIn = ifstream(WRITE_TEST_FILE);
    TEST_ASSERT_MESSAGE(writeTestIn, "write_test.txt not readable")
    writeTestIn >> buffer;
    writeTestIn.close();
    TEST_ASSERT_EQUAL_STRING_MESSAGE(WRITE_TEST_STR, buffer.c_str(), "write test failed");
}

TEST_CASE("SPIFFS get filesystem info", "[kbf_spiffs]") {
    auto spiffs = kbf::SPIFFS(MOUNT_POINT);
    TEST_ASSERT_TRUE_MESSAGE(spiffs.mount(), "test configuration error: SPIFFS mount failed")

    auto info   = spiffs.info();
    TEST_ASSERT_GREATER_THAN(0, info.used);
    TEST_ASSERT_GREATER_THAN(0, info.free);
    TEST_ASSERT_EQUAL(info.used + info.free, info.total);
    cout << "SPIFFS info: " << endl
         << "\ttotal: " << info.total << endl
         << "\tused: " << info.used << endl
         << "\tfree: " << info.free << endl;
}

TEST_CASE("SPIFFS partition not found", "[kbf_spiffs]") {
    auto spiffs = kbf::SPIFFS(MOUNT_POINT, "non_existent_partition");
    TEST_ASSERT_FALSE(spiffs.mount())
    TEST_ASSERT_EQUAL(ESP_ERR_NOT_FOUND, spiffs.error);
}