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

#ifdef TEST

#include <float.h>
#include "unity.h"
#include "../src/currentCustomerAccountBalance.c"

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