AndroidAPS/app/src/test/java/info/nightscout/androidaps/interfaces/ConstraintTest.java

package info.nightscout.androidaps.interfaces;

import junit.framework.Assert;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.powermock.modules.junit4.PowerMockRunner;

/**
 * Created by mike on 19.03.2018.
 */

@RunWith(PowerMockRunner.class)
public class ConstraintTest {

    @Test
    public void doTests() throws Exception {
        Constraint<Boolean> b = new Constraint<>(true);
        Assert.assertEquals(Boolean.TRUE, b.value());
        Assert.assertEquals("", b.getReasons());
        Assert.assertEquals("", b.getMostLimitedReasons());
        b.set(false);
        Assert.assertEquals(Boolean.FALSE, b.value());
        Assert.assertEquals("", b.getReasons());
        Assert.assertEquals("", b.getMostLimitedReasons());
        b.set(true, "Set true", this);
        Assert.assertEquals(Boolean.TRUE, b.value());
        Assert.assertEquals("ConstraintTest: Set true", b.getReasons());
        Assert.assertEquals("ConstraintTest: Set true", b.getMostLimitedReasons());
        b.set(false, "Set false", this);
        Assert.assertEquals(Boolean.FALSE, b.value());
        Assert.assertEquals("ConstraintTest: Set true\nConstraintTest: Set false", b.getReasons());
        Assert.assertEquals("ConstraintTest: Set true\nConstraintTest: Set false", b.getMostLimitedReasons());

        Constraint<Double> d = new Constraint<>(10d);
        d.set(5d, "Set 5d", this);
        Assert.assertEquals(5d, d.value());
        Assert.assertEquals("ConstraintTest: Set 5d", d.getReasons());
        Assert.assertEquals("ConstraintTest: Set 5d", d.getMostLimitedReasons());
        d.setIfSmaller(6d, "Set 6d", this);
        Assert.assertEquals(5d, d.value());
        Assert.assertEquals("ConstraintTest: Set 5d\nConstraintTest: Set 6d", d.getReasons());
        Assert.assertEquals("ConstraintTest: Set 5d", d.getMostLimitedReasons());
        d.setIfSmaller(4d, "Set 4d", this);
        Assert.assertEquals(4d, d.value());
        Assert.assertEquals("ConstraintTest: Set 5d\nConstraintTest: Set 6d\nConstraintTest: Set 4d", d.getReasons());
        Assert.assertEquals("ConstraintTest: Set 4d", d.getMostLimitedReasons());
        Assert.assertEquals(10d, d.originalValue());
    }
}