PropertyFinderTest.java

package org.simpleflatmapper.reflect.test.meta;

import org.junit.Assert;
import org.junit.Test;
import org.simpleflatmapper.reflect.meta.*;
import org.simpleflatmapper.test.beans.DbObject;
import org.simpleflatmapper.reflect.ReflectionService;
import org.simpleflatmapper.tuple.Tuples;
import org.simpleflatmapper.util.ConstantPredicate;
import org.simpleflatmapper.util.Predicate;

import static org.junit.Assert.*;

public class PropertyFinderTest {


    private Predicate<PropertyMeta<?, ?>> isValidPropertyMeta = ConstantPredicate.truePredicate();

    @Test
    public void testFindElementOnArray() {

        ClassMeta<DbObject[]> classMeta = ReflectionService.newInstance().getClassMeta(DbObject[].class);

        PropertyFinder<DbObject[]> propertyFinder = classMeta.newPropertyFinder(isValidPropertyMeta);

        PropertyMeta<DbObject[], ?> propEltId = propertyFinder.findProperty(matcher("elt0_id"));
        assertNotNull(propEltId);

        propEltId = propertyFinder.findProperty(matcher("2_id"));
        assertNotNull(propEltId);

        propEltId = propertyFinder.findProperty(matcher("id"));
        assertNotNull(propEltId);
        Assert.assertEquals(1, ((ArrayElementPropertyMeta<?, ?>) ((SubPropertyMeta<?, ?, ?>) propEltId).getOwnerProperty()).getIndex());


        propEltId = propertyFinder.findProperty(matcher("id"));
        assertNotNull(propEltId);
        assertEquals(3, ((ArrayElementPropertyMeta<?, ?>) ((SubPropertyMeta<?, ?, ?>) propEltId).getOwnerProperty()).getIndex());


        propEltId = propertyFinder.findProperty(matcher("name"));
        assertNotNull(propEltId);
        assertEquals(0, ((ArrayElementPropertyMeta<?, ?>) ((SubPropertyMeta<?, ?, ?>) propEltId).getOwnerProperty()).getIndex());

        propEltId = propertyFinder.findProperty(matcher("2_notid"));
        assertNull(propEltId);


        propEltId = propertyFinder.findProperty(matcher("notid")); // will safe match
        assertTrue(propEltId instanceof  ArrayElementPropertyMeta);
        assertEquals(4, ((ArrayElementPropertyMeta)propEltId).getIndex());


    }

    private PropertyNameMatcher matcher(String col) {
        return new DefaultPropertyNameMatcher(col, 0, false, false);
    }

    @Test
    public void testFindElementOnTuple() {
        ClassMeta<DbObject[]> classMeta = ReflectionService.newInstance().getClassMeta(Tuples.typeDef(String.class, DbObject.class, DbObject.class));

        PropertyFinder<DbObject[]> propertyFinder = classMeta.newPropertyFinder(isValidPropertyMeta);

        PropertyMeta<DbObject[], ?> propEltId = propertyFinder.findProperty(matcher("element2_id"));
        assertNotNull(propEltId);

        propEltId = propertyFinder.findProperty(matcher("element1"));
        assertNotNull(propEltId);

        propEltId = propertyFinder.findProperty(matcher("elt1"));
        assertNotNull(propEltId);

        propEltId = propertyFinder.findProperty(matcher("1"));
        assertNotNull(propEltId);

        propEltId = propertyFinder.findProperty(matcher("id"));
        assertNotNull(propEltId);


        propEltId = propertyFinder.findProperty(matcher("4_id"));
        assertNull(propEltId);

        propEltId = propertyFinder.findProperty(matcher("2_notid"));
        assertNull(propEltId);


        propEltId = propertyFinder.findProperty(matcher("elt0"));
        assertNotNull(propEltId);

        propEltId = propertyFinder.findProperty(matcher("notid"));
        assertNull(propEltId);

    }


    // https://github.com/arnaudroger/SimpleFlatMapper/issues/56
    @Test
    public void testArrayElementConstructorInjectionWithIncompatibleConstructorUseCompatibleOutlay() {
        ClassMeta<ObjectWithIncompatibleConstructor[]> classMeta = ReflectionService.newInstance().getClassMeta(ObjectWithIncompatibleConstructor[].class);

        PropertyFinder<ObjectWithIncompatibleConstructor[]> propertyFinder = classMeta.newPropertyFinder(isValidPropertyMeta);

        assertNotNull(propertyFinder.findProperty(matcher("1_arg1")));
        assertNotNull(propertyFinder.findProperty(matcher("1_arg3")));
        assertNotNull(propertyFinder.findProperty(matcher("2_arg1")));
        assertNotNull(propertyFinder.findProperty(matcher("2_arg2")));
    }

    @Test
    public void testArrayElementConstructorInjectionWithIncompatibleConstructorUseIncompatibleOutlay() {
        ClassMeta<ObjectWithIncompatibleConstructor[]> classMeta = ReflectionService.newInstance().getClassMeta(ObjectWithIncompatibleConstructor[].class);

        PropertyFinder<ObjectWithIncompatibleConstructor[]> propertyFinder = classMeta.newPropertyFinder(isValidPropertyMeta);

        assertNotNull(propertyFinder.findProperty(matcher("1_arg1")));
        assertNotNull(propertyFinder.findProperty(matcher("1_arg3")));
        assertNull(propertyFinder.findProperty(matcher("1_arg2")));
    }

    static class ObjectWithIncompatibleConstructor {
        private final String arg1;
        private final Long arg2;
        private final Integer arg3;

        public ObjectWithIncompatibleConstructor(String arg1, Long arg2) {
            this.arg1 = arg1;
            this.arg2 = arg2;
            this.arg3 = null;
        }
        public ObjectWithIncompatibleConstructor(String arg1, Integer arg3) {
            this.arg1 = arg1;
            this.arg2 = null;
            this.arg3 = arg3;
        }
    }
}