cayenne-server/src/test/java/org/apache/cayenne/MeaningfulFKIT.java

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package org.apache.cayenne;

import org.apache.cayenne.di.Inject;
import org.apache.cayenne.query.SelectById;
import org.apache.cayenne.testdo.relationships.MeaningfulFK;
import org.apache.cayenne.testdo.relationships.RelationshipHelper;
import org.apache.cayenne.unit.di.server.CayenneProjects;
import org.apache.cayenne.unit.di.server.ServerCase;
import org.apache.cayenne.unit.di.server.UseServerRuntime;
import org.apache.cayenne.validation.ValidationResult;
import org.junit.Test;

import static org.junit.Assert.*;

@UseServerRuntime(CayenneProjects.RELATIONSHIPS_PROJECT)
public class MeaningfulFKIT extends ServerCase {

    @Inject
    private ObjectContext context;

    @Test
    public void testValidateForSave1() throws Exception {
        MeaningfulFK testObject = context.newObject(MeaningfulFK.class);

        ValidationResult validation = new ValidationResult();
        testObject.validateForSave(validation);
        assertTrue(
                "Must fail validation due to missing required relationship",
                validation.hasFailures());
        assertEquals(
                "Must fail validation due to missing required relationship",
                1,
                validation.getFailures().size());
    }

    @Test
    public void testValidateForSave2() throws Exception {
        MeaningfulFK testObject = context.newObject(MeaningfulFK.class);

        RelationshipHelper related = context.newObject(RelationshipHelper.class);
        testObject.setToRelationshipHelper(related);

        ValidationResult validation = new ValidationResult();
        testObject.validateForSave(validation);
        assertFalse(validation.hasFailures());
    }

    @Test
    public void testMeaningfulFKSet() {
        MeaningfulFK testObject = context.newObject(MeaningfulFK.class);

        RelationshipHelper related = context.newObject(RelationshipHelper.class);
        testObject.setToRelationshipHelper(related);

        context.commitChanges();

        MeaningfulFK testObject2 = SelectById.query(MeaningfulFK.class, testObject.getObjectId()).selectOne(context);
        assertNotEquals(0, testObject2.getRelationshipHelperID());
    }
}