package jmri.jmrix.pi;

import jmri.util.JUnitUtil;

import org.junit.Assert;
import org.junit.jupiter.api.*;

/**
 * Tests for RaspberryPiSensorManager.
 * <p>
 * Resets the GPIO support by disposing the sensors + pins.
 *
 * @author Paul Bender Copyright (C) 2016
 */
public class RaspberryPiSensorManagerTest extends jmri.managers.AbstractSensorMgrTestBase {

    @Override
    public String getSystemName(int i) {
        return l.getSystemPrefix() + "S" + i;
    }

    @Test
    public void testCtor(){
        Assert.assertNotNull(l);
    }

    @Test
    public void checkPrefix(){
        Assert.assertEquals("Prefix", "P", l.getSystemPrefix());
    }

    @Override
    @Test
    public void testPullResistanceConfigurable(){
        Assert.assertTrue("Pull Resistance Configurable", l.isPullResistanceConfigurable());
    }

    private PiGpioProviderScaffold myProvider = null;

    @Override
    @BeforeEach
    public void setUp() {
       JUnitUtil.setUp();
       JUnitUtil.resetInstanceManager();
       myProvider = new PiGpioProviderScaffold();
       l = new RaspberryPiSensorManager(new RaspberryPiSystemConnectionMemo());
    }

    @AfterEach
    public void tearDown() {
        // unprovisionPin if it exists to allow reuse of GPIO pin in next test
        RaspberryPiSensor t1 = (RaspberryPiSensor) l.getSensor(getSystemName(getNumToTest1()));
        if (t1 != null) { t1.dispose(); }
        t1 = (RaspberryPiSensor) l.getSensor(getSystemName(getNumToTest2()));
        if (t1 != null) { t1.dispose(); }
        t1 = (RaspberryPiSensor) l.getSensor(getSystemName(1));
        if (t1 != null) { t1.dispose(); }
        t1 = (RaspberryPiSensor) l.getSensor(getSystemName(2));
        if (t1 != null) { t1.dispose(); }
        Assertions.assertNotNull(myProvider);
        myProvider.shutdown();
        l.dispose();

        JUnitUtil.clearShutDownManager();
        JUnitUtil.resetInstanceManager();
        JUnitUtil.tearDown();
    }

}