/*
 * Copyright 2005-2025 the original author or authors.
 *
 * 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
 *
 *      https://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.springframework.ws.transport.http;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamSource;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.w3c.dom.Document;

import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;
import org.springframework.xml.DocumentBuilderFactoryUtils;
import org.springframework.xml.transform.ResourceSource;

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

class LastModifiedHelperTests {

	private Resource resource;

	private long expected;

	@BeforeEach
	void setUp() throws Exception {

		this.resource = new ClassPathResource("single.xsd", getClass());
		this.expected = this.resource.lastModified();
	}

	@Test
	void testSaxSource() throws Exception {

		long result = LastModifiedHelper.getLastModified(new ResourceSource(this.resource));

		assertThat(result).isEqualTo(this.expected);
	}

	@Test
	void testDomSource() throws Exception {

		DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactoryUtils.newInstance();
		documentBuilderFactory.setNamespaceAware(true);
		DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();
		Document document = documentBuilder.parse(this.resource.getFile());
		long result = LastModifiedHelper.getLastModified(new DOMSource(document));

		assertThat(result).isEqualTo(this.expected);
	}

	@Test
	void testStreamSource() throws Exception {

		long result = LastModifiedHelper.getLastModified(new StreamSource(this.resource.getFile()));

		assertThat(result).isEqualTo(this.expected);
	}

}
