2022-2-WS_group_project_bankmanagement-system/tests/test_currentCustomerAccountBalance.c

#ifdef TEST

#include <float.h>
#include "unity.h"
#include "currentCustomerAccountBalance.h"

void setUp(void)
{
}

void tearDown(void)
{
}

void test_fetchBalanceFromBalanceString(void) {

    /* Arrange */

    char  balanceString[5][100] = {
        "balance=0",
        "balance=100",
        "balance=200",
        "balance=300",
        "balance=400"
    };

    /* Act */

    float balance = 0;
    float result[5];
    float expected[5];

    for (int i = 0; i < 5; i++) {
        result[i] = fetchBalanceFromBalanceString(balanceString[i]);
    }

    /* Assert */

    for (int i = 0; i < 5; i++) {
        expected[i] = balance;
        balance += 100;
    }

    for (int i =0; i < 5; i++) {
        TEST_ASSERT_EQUAL_FLOAT(expected[i],result[i]);
    }

    
}


void test_checkFileOpen(void) {

    /* Act and assert */

    FILE *file = fopen(CUSTOMER_DATA_FILE, "r");

    TEST_ASSERT_TRUE(file);

    fclose(file);
}

void test_failOpenFile(void) {

    /* Act and assert */

    FILE *file = fopen("false_file_name", "r");

    TEST_ASSERT_FALSE(file);

}

void test_getAvailableAccountBalance(void) {

    /* Act and assert */

    int user_id = 1234; // Random user_id (because idea is to read the file and get a float value)
    float max   = FLT_MAX;
    int result  = getAvailableAccountBalance(user_id);
    
    TEST_ASSERT_TRUE(result < max); // Pass if function is successfully called and a float value (balance) is returned
}




#endif // TEST