JPACriteriaQueryVisitorExtensionTest.java

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 * to you under the Apache License, Version 2.0 (the
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package org.apache.cxf.jaxrs.ext.search.jpa;

import java.util.List;
import java.util.Map;

import org.apache.cxf.jaxrs.ext.search.SearchCondition;
import org.apache.cxf.jaxrs.ext.search.SearchConditionParser;
import org.apache.cxf.jaxrs.ext.search.fiql.FiqlParser;

import org.junit.Test;

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

public class JPACriteriaQueryVisitorExtensionTest extends AbstractJPATypedQueryVisitorTest {

    @Test
    public void testCustomPredicateExtensionIsUsed() throws Exception {
        SearchCondition<Book> filter = getParser().parse("bookTitle==NUM9");

        JPACriteriaQueryVisitor<Book, Book> visitor = new CustomJPACriteriaVisitor(getEntityManager());

        filter.accept(visitor);

        List<Book> result = getEntityManager().createQuery(visitor.getQuery()).getResultList();

        // The custom visitor uses a case-insensitive LIKE query for bookTitle,
        // so "NUM9" matches "num9"
        assertEquals(1, result.size());
    }

    @Test
    public void testCollectionPredicateOverrideIsUsed() throws Exception {
        // count(authors) triggers the collection predicate path
        SearchCondition<Book> filter = getParser().parse("count(authors)==1");

        JPACriteriaQueryVisitor<Book, Book> visitor = new CustomJPACriteriaVisitor(getEntityManager());

        filter.accept(visitor);

        List<Book> results = getEntityManager().createQuery(visitor.getQuery()).getResultList();

        // Without override -> books with exactly 1 author would be returned
        // With override (disjunction) -> 0 results
        assertTrue(results.isEmpty());
    }

    @Override
    protected SearchConditionParser<Book> getParser() {
        return new FiqlParser<>(Book.class);
    }

    @Override
    protected SearchConditionParser<Book> getParser(Map<String, String> visitorProps,
            Map<String, String> parserBinProps) {
        return new FiqlParser<>(Book.class, parserBinProps);
    }

}