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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.net.URISyntaxException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
import java.util.stream.Collectors;
import java.util.stream.Stream;
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 PnfTransformationEngineParameterizedTest {
private static final String TEST_CASES_PATH = "transformation/pnfParseEngine";
private static final String TRANSFORMATION_DESCRIPTOR_FOLDER = "transformationDescriptor";
private static final String OUTPUT_FOLDER = "expectedOutput";
private static final String DEFAULT_OUTPUT_FILE_NAME = "defaultOutput.yaml";
private final String inputFileName;
private final Path inputFilePath;
private final String outputFileName;
private final Path outputFilePath;
private final String transformationDescriptorFileName;
private final Path transformationDescriptorFilePath;
private final YamlUtil yamlUtil = new YamlUtil();
private final ToscaExtensionYamlUtil toscaExtensionYamlUtil = new ToscaExtensionYamlUtil();
public PnfTransformationEngineParameterizedTest(final String inputFileName, final Path inputFilePath,
final String outputFileName, final Path outputFilePath,
final String transformationDescriptorFileName, final Path transformationDescriptorFilePath) {
this.inputFileName = inputFileName;
this.inputFilePath = inputFilePath;
this.outputFileName = outputFileName;
this.outputFilePath = outputFilePath;
this.transformationDescriptorFileName = transformationDescriptorFileName;
this.transformationDescriptorFilePath = transformationDescriptorFilePath;
}
@Parameterized.Parameters(name = "{index}: input: {0}, descriptor: {4}, output: {2}")
public static Collection<Object> input() throws IOException, URISyntaxException {
return Files.list(getPathFromClasspath(TEST_CASES_PATH)).map(path -> {
try {
return buildTestCase(path);
} catch (final IOException e) {
return null;
}
}).filter(Objects::nonNull).flatMap(Collection::stream).collect(Collectors.toList());
}
private static Collection<Object[]> buildTestCase(final Path testCasePath) throws IOException {
final Path inputFilePath = Files.list(testCasePath)
.filter(path -> path.toFile().getName().endsWith("yaml"))
.findAny().orElse(null);
if (inputFilePath == null) {
return Collections.emptyList();
}
final List<Path> transformationDescriptorList;
try (final Stream<Path> files = Files.walk(testCasePath.resolve(TRANSFORMATION_DESCRIPTOR_FOLDER))) {
transformationDescriptorList = files.filter(path -> Files.isRegularFile(path))
.map(path -> Paths.get(TEST_CASES_PATH, testCasePath.getFileName().toString()
, TRANSFORMATION_DESCRIPTOR_FOLDER, path.getFileName().toString()))
.collect(Collectors.toList());
}
final List<Path> outputList;
try (final Stream<Path> files = Files.walk(testCasePath.resolve(OUTPUT_FOLDER))) {
outputList = files.filter(path -> Files.isRegularFile(path)).collect(Collectors.toList());
}
final Path defaultOutput = outputList.stream()
.filter(path -> path.toFile().getName().equals(DEFAULT_OUTPUT_FILE_NAME))
.findFirst().orElse(null);
final List<Object[]> testCaseList = new ArrayList<>();
for (final Path transformationDescriptorPath : transformationDescriptorList) {
final Path outputPath = outputList.stream()
.filter(path -> path.toFile().getName().equals(transformationDescriptorPath.toFile().getName()))
.findFirst().orElse(defaultOutput);
if (outputPath != null) {
testCaseList.add(new Object[] {inputFilePath.toFile().getName(), inputFilePath,
outputPath.toFile().getName(), outputPath,
transformationDescriptorPath.toFile().getName(), transformationDescriptorPath});
}
}
return testCaseList;
}
@Test
public void testTopologyTemplateConversions() throws IOException {
final byte[] descriptor = Files.readAllBytes(inputFilePath);
final ServiceTemplateReaderService serviceTemplateReaderService = new ServiceTemplateReaderServiceImpl(descriptor);
final ServiceTemplate serviceTemplate = new ServiceTemplate();
final PnfdTransformationEngine pnfdTransformationEngine = new PnfdNodeTemplateTransformationEngine(
serviceTemplateReaderService, serviceTemplate, transformationDescriptorFilePath.toString());
pnfdTransformationEngine.transform();
final String result = yamlUtil.objectToYaml(serviceTemplate);
final String expectedResult = parseToYaml(outputFilePath);
assertEquals(expectedResult, result);
}
private String parseToYaml(final Path filePath) throws IOException {
try (final InputStream inputStream = Files.newInputStream(filePath)) {
ServiceTemplate serviceTemplate = toscaExtensionYamlUtil.yamlToObject(inputStream, ServiceTemplate.class);
return yamlUtil.objectToYaml(serviceTemplate);
}
}
private static Path getPathFromClasspath(final String location) throws URISyntaxException {
return Paths.get(PnfTransformationEngineParameterizedTest.class.getClassLoader().getResource(location).toURI());
}
}
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