/*
 * Copyright 2017 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.drools.mvel.integrationtests.session;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;

import org.drools.mvel.compiler.SpecialString;
import org.drools.testcoverage.common.util.KieBaseTestConfiguration;
import org.drools.testcoverage.common.util.KieBaseUtil;
import org.drools.testcoverage.common.util.TestParametersUtil;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.kie.api.KieBase;
import org.kie.api.runtime.KieSession;

import static org.assertj.core.api.Assertions.assertThat;

@RunWith(Parameterized.class)
public class CrossProductTest {

    private final KieBaseTestConfiguration kieBaseTestConfiguration;

    public CrossProductTest(final KieBaseTestConfiguration kieBaseTestConfiguration) {
        this.kieBaseTestConfiguration = kieBaseTestConfiguration;
    }

    @Parameterized.Parameters(name = "KieBase type={0}")
    public static Collection<Object[]> getParameters() {
        return TestParametersUtil.getKieBaseCloudConfigurations(true);
    }

    @Test
    public void testCrossProductRemovingIdentityEquals() throws Exception {
        KieBase kbase = KieBaseUtil.getKieBaseFromClasspathResources(getClass(), kieBaseTestConfiguration, "test_CrossProductRemovingIdentityEquals.drl");
        KieSession session = kbase.newKieSession();

        final List list1 = new ArrayList();
        session.setGlobal("list1", list1);

        final SpecialString first42 = new SpecialString("42");
        final SpecialString second43 = new SpecialString("43");
        final SpecialString world = new SpecialString("World");
        session.insert(world);
        session.insert(first42);
        session.insert(second43);

        session.fireAllRules();

        assertThat(list1.size()).isEqualTo(6);

        final List list2 = Arrays.asList("42:43", "43:42", "World:42", "42:World", "World:43", "43:World");
        Collections.sort(list1);
        Collections.sort(list2);
        assertThat(list1).isEqualTo(list2);
    }

}
