/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.shenyu.admin.model.page;

import org.junit.jupiter.api.Test;

import java.util.ArrayList;
import java.util.Collections;

import static org.junit.jupiter.api.Assertions.assertEquals;

/**
 * Test case for {@link PageResultUtils}.
 */
public final class PageResultUtilsTest {

    @Test
    public void testEmptyResult() {
        final PageParameter pageParameter = new PageParameter(1, 10, 0);
        final CommonPager<String> result = PageResultUtils.result(pageParameter, () -> 0, ArrayList::new);
        assertEquals(result.getDataList().size(), 0);
    }

    @Test
    public void testResult() {
        final PageParameter pageParameter = new PageParameter(1, 10, 1);
        final CommonPager<String> result = PageResultUtils.result(pageParameter, () -> 1,
            () -> Collections.singletonList("result1"));
        assertEquals(result.getDataList().size(), 1);
    }
}
