package unit;

import data.DataReading;
import entity.ExchangeRequest;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;

import java.io.ByteArrayInputStream;
import java.io.InputStream;

import static org.junit.jupiter.api.Assertions.assertEquals;

public class DataReadingUnitTest
{
    private DataReading dReadingObject;

    @BeforeEach
    public void setup()
    {
        dReadingObject = new DataReading();
    }

    @Test
    @DisplayName("Bandant įvesti 1.527 ir dollar į konsolę ir pažiūrėti ar nuskaito")
    public void shouldReadData()
    {
        String inputString = "1.27\ndollar";
        InputStream systemInBackup = System.in;
        InputStream currentInput = new ByteArrayInputStream(inputString.getBytes());

        System.setIn(currentInput);

        ExchangeRequest exchange = DataReading.readData();

        assertEquals(1.27, exchange.getAmount(), "Neteisingai nuskaito pinigų kiekį");

        assertEquals("dollar", exchange.getCurrencyToExchange(), "Neteisingai nuskaito valiutos pavadinimą");
    }

}