SiLeBAT/FSK-Lab

package de.bund.bfr.knime.util;

import static org.junit.Assert.*;
import static org.junit.Assert.assertTrue;

import org.junit.Test;

@SuppressWarnings("static-method")
public class NameAndDbIdTest {

    @Test
    public void testNameConstructor() {
        NameAndDbId identifier = new NameAndDbId("name");
        assertEquals(-1, identifier.getId());
        assertEquals("name", identifier.getName());
    }

    @Test
    public void testFullConstructor() throws Exception {
        NameAndDbId identifier = new NameAndDbId("name", 0);
        assertEquals(0, identifier.getId());
        assertEquals("name", identifier.getName());
    }

    @SuppressWarnings("unlikely-arg-type")
    @Test
    public void testEquals() throws Exception {

        // Compare with same object
        NameAndDbId identifier = new NameAndDbId("name");
        assertTrue(identifier.equals(identifier));

        // Compare with null
        assertFalse(identifier.equals(null));

        // Compare with other class
        assertFalse(identifier.equals("a string"));

        // Compare with identifier with different id
        assertFalse(identifier.equals(new NameAndDbId("name", 2)));

        // Compare with identifier with same id
        assertTrue(identifier.equals(new NameAndDbId("name", identifier.getId())));

        // Compare null name with non-null name (same id)
        assertFalse(new NameAndDbId(null, identifier.getId()).equals(identifier));

        // Compare null name with null name (same id)
        assertTrue(new NameAndDbId(null, identifier.getId()).equals(new NameAndDbId(null, identifier.getId())));

        // Compare non-null name with different name (same id)
        assertFalse(identifier.equals(new NameAndDbId("other", identifier.getId())));
    }
    
    @Test
    public void testHashCode() throws Exception {
        NameAndDbId oneIdentifier = new NameAndDbId("name", 0);
        NameAndDbId anotherIdentifier = new NameAndDbId("name", 0);
        assertEquals(oneIdentifier.hashCode(), anotherIdentifier.hashCode());
    }
}