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 *  to you under the Apache License, Version 2.0 (the
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package org.apache.cayenne;

import org.apache.cayenne.di.Inject;
import org.apache.cayenne.map.DbEntity;
import org.apache.cayenne.testdo.testmap.Artist;
import org.apache.cayenne.testdo.testmap.Exhibit;
import org.apache.cayenne.testdo.testmap.Gallery;
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.BeanValidationFailure;
import org.apache.cayenne.validation.ValidationFailure;
import org.apache.cayenne.validation.ValidationResult;
import org.junit.Test;

import java.util.Date;
import java.util.List;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

@UseServerRuntime(CayenneProjects.TESTMAP_PROJECT)
public class CayenneDataObjectValidationIT extends ServerCase {

    @Inject
    private ObjectContext context;

    @Test
    public void testValidateForSaveMandatoryToOneMissing() throws Exception {

        Exhibit exhibit = context.newObject(Exhibit.class);
        exhibit.setOpeningDate(new Date());
        exhibit.setClosingDate(new Date());

        ValidationResult result = new ValidationResult();
        exhibit.validateForSave(result);

        assertTrue("Validation of 'toGallery' should've failed.", result.hasFailures());
        assertTrue(result.hasFailures(exhibit));

        List<ValidationFailure> failures = result.getFailures();
        assertEquals(1, failures.size());

        BeanValidationFailure failure = (BeanValidationFailure) failures.get(0);
        assertEquals(Exhibit.TO_GALLERY.getName(), failure.getProperty());

        // fix the problem and see if it goes away
        Gallery gallery = context.newObject(Gallery.class);
        exhibit.setToGallery(gallery);
        result = new ValidationResult();
        exhibit.validateForSave(result);
        assertFalse("No failures expected: " + result, result.hasFailures());
    }

    @Test
    public void testValidateForSaveMandatoryAttributeMissing() throws Exception {

        Artist artist = context.newObject(Artist.class);

        ValidationResult result = new ValidationResult();
        artist.validateForSave(result);

        assertTrue("Validation of 'artistName' should've failed.", result.hasFailures());
        assertTrue(result.hasFailures(artist));

        List<ValidationFailure> failures = result.getFailures();
        assertEquals(1, failures.size());

        BeanValidationFailure failure = (BeanValidationFailure) failures.get(0);
        assertEquals(Artist.ARTIST_NAME.getName(), failure.getProperty());

        // fix the problem and see if it goes away
        artist.setArtistName("aa");
        result = new ValidationResult();
        artist.validateForSave(result);
        assertFalse(result.hasFailures());
    }

    @Test
    public void testValidateForSaveAttributeTooLong() throws Exception {

        Artist artist = context.newObject(Artist.class);

        DbEntity entity = context.getEntityResolver().getObjEntity(artist).getDbEntity();
        int len = entity.getAttribute("ARTIST_NAME").getMaxLength();
        StringBuffer buf = new StringBuffer(len);
        for (int i = 0; i < len + 1; i++) {
            buf.append("c");
        }
        artist.setArtistName(buf.toString());

        ValidationResult result = new ValidationResult();
        artist.validateForSave(result);

        assertTrue(result.hasFailures());
        assertTrue(result.hasFailures(artist));

        List<ValidationFailure> failures = result.getFailures();
        assertEquals(1, failures.size());

        BeanValidationFailure failure = (BeanValidationFailure) failures.get(0);
        assertEquals(Artist.ARTIST_NAME.getName(), failure.getProperty());

        // fix the problem and see if it goes away
        artist.setArtistName("aa");
        result = new ValidationResult();
        artist.validateForSave(result);
        assertFalse(result.hasFailures());
    }
}