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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2020 Nordix Foundation
* Modifications Copyright (C) 2021 Pantheon.tech
* ================================================================================
* 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.onap.cps;
import com.google.common.collect.ImmutableMap;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.util.Map;
import org.onap.cps.spi.model.DataNode;
/**
* Common convenience methods for testing.
*/
public class TestUtils {
/**
* Convert a file in the test resource folder to file.
*
* @param filename to name of the file in test/resources
* @return the file
* @throws IOException when there is an IO issue
*/
public static File readFile(final String filename) {
return new File(ClassLoader.getSystemClassLoader().getResource(filename).getFile());
}
/**
* Convert a file in the test resource folder to a string.
*
* @param filename to name of the file in test/resources
* @return the content of the file as a String
* @throws IOException when there is an IO issue
*/
public static String getResourceFileContent(final String filename) throws IOException {
final File file = readFile(filename);
return new String(Files.readAllBytes(file.toPath()));
}
/**
* Reads yang resources into map.
*
* @param resources list of file paths
* @return yang resource map where key is filename and value is file content
* @throws IOException when there an I/O issue
*/
public static Map<String, String> getYangResourcesAsMap(final String... resources) throws IOException {
final ImmutableMap.Builder<String, String> yangResourceNameToContentBuilder = new ImmutableMap.Builder<>();
for (final String resourcePath : resources) {
final File file = readFile(resourcePath);
final String content = new String(Files.readAllBytes(file.toPath()));
yangResourceNameToContentBuilder.put(file.getName(), content);
}
return yangResourceNameToContentBuilder.build();
}
/**
* Represents given data node object as flatten map by xpath.
* For easy finding child node within hierarchy.
*
* @param dataNode data node representing a root of tree structure
* @return the map containing all the data nodes from given structure where key is xpath, value is datanode object
*/
public static Map<String, DataNode> getFlattenMapByXpath(final DataNode dataNode) {
final ImmutableMap.Builder<String, DataNode> dataNodeMapBuilder = ImmutableMap.builder();
buildFlattenMapByXpath(dataNode, dataNodeMapBuilder);
return dataNodeMapBuilder.build();
}
private static void buildFlattenMapByXpath(final DataNode dataNode,
final ImmutableMap.Builder<String, DataNode> dataNodeMapBuilder) {
dataNodeMapBuilder.put(dataNode.getXpath(), dataNode);
dataNode.getChildDataNodes()
.forEach(childDataNode -> buildFlattenMapByXpath(childDataNode, dataNodeMapBuilder));
}
}
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