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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2019 Nordix Foundation
* ================================================================================
* 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.openecomp.core.converter.impl.pnfd;
import static org.junit.Assert.assertEquals;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Collection;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import org.apache.commons.io.IOUtils;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.onap.sdc.tosca.datatypes.model.ServiceTemplate;
import org.onap.sdc.tosca.services.ToscaExtensionYamlUtil;
import org.onap.sdc.tosca.services.YamlUtil;
import org.openecomp.core.converter.ServiceTemplateReaderService;
import org.openecomp.core.converter.pnfd.PnfdTransformationEngine;
import org.openecomp.core.impl.services.ServiceTemplateReaderServiceImpl;
@RunWith(Parameterized.class)
public class PnfTransformationEngineTest {
public static final String INPUT_DIR = "pnfDescriptor/in/";
public static final String OUTPUT_DIR = "pnfDescriptor/out/";
private String inputFilename;
private final YamlUtil yamlUtil = new YamlUtil();
private final ToscaExtensionYamlUtil toscaExtensionYamlUtil = new ToscaExtensionYamlUtil();
public PnfTransformationEngineTest(final String inputFilename) {
this.inputFilename = inputFilename;
}
@Parameterized.Parameters(name = "{index}: {0}")
public static Collection<String> input() throws IOException {
try (final Stream<Path> files = Files.list(getPathFromClasspath(INPUT_DIR))) {
return files.map(path -> path.getFileName().toString())
.collect(Collectors.toList());
}
}
@Test
public void testTopologyTemplateConversions() throws IOException {
final byte[] descriptor = getInputFileResource(inputFilename);
final ServiceTemplateReaderService serviceTemplateReaderService = new ServiceTemplateReaderServiceImpl(descriptor);
final ServiceTemplate serviceTemplate = new ServiceTemplate();
PnfdTransformationEngine pnfdTransformationEngine = new PnfdNodeTypeTransformationEngine(
serviceTemplateReaderService, serviceTemplate);
pnfdTransformationEngine.transform();
pnfdTransformationEngine = new PnfdNodeTemplateTransformationEngine(serviceTemplateReaderService, serviceTemplate);
pnfdTransformationEngine.transform();
final String yamlContent = yamlUtil.objectToYaml(serviceTemplate);
final String result = yamlUtil.objectToYaml(yamlUtil.yamlToObject(yamlContent, ServiceTemplate.class));
final String expectedResult = getExpectedResultFor(inputFilename);
assertEquals(expectedResult, result);
}
private String getExpectedResultFor(final String inputFilename) throws IOException {
try (final InputStream inputStream = getOutputFileResourceCorrespondingTo(inputFilename)) {
final ServiceTemplate serviceTemplate = toscaExtensionYamlUtil.yamlToObject(inputStream, ServiceTemplate.class);
return yamlUtil.objectToYaml(serviceTemplate);
}
}
private static Path getPathFromClasspath(final String location) {
return Paths.get(Thread.currentThread().getContextClassLoader().getResource(location).getPath());
}
private byte[] getInputFileResource(final String inputFilename) throws IOException {
return getFileResource(INPUT_DIR + inputFilename);
}
private InputStream getOutputFileResourceCorrespondingTo(final String inputFilename) {
final String outputFilename = getOutputFilenameFrom(inputFilename);
return getFileResourceAsInputStream(OUTPUT_DIR + outputFilename);
}
private String getOutputFilenameFrom(final String inputFilename) {
return inputFilename.replace("pnfDescriptor", "topologyTemplate");
}
private byte[] getFileResource(final String filePath) throws IOException {
try (final InputStream inputStream = getFileResourceAsInputStream(filePath)) {
return IOUtils.toByteArray(inputStream);
}
}
private InputStream getFileResourceAsInputStream(final String filePath) {
return Thread.currentThread().getContextClassLoader().getResourceAsStream(filePath);
}
}
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