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/*
* Copyright 2016-2017, Nokia Corporation
*
* 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.
*/
package org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.util;
import com.google.common.io.ByteStreams;
import java.io.InputStream;
import java.lang.reflect.Constructor;
public class TestUtil {
/**
* Due to sonar issue you have to create a private constructor for classes
* that only have static methods to prevent the creation of instances. This
* constructor can not be coveraged / tested since it is private.
*
* @param clazz
*/
public static void coveragePrivateConstructorForClassesWithStaticMethodsOnly(Class<?> clazz) {
for (Constructor<?> constructor : clazz.getDeclaredConstructors()) {
if (constructor.getParameterTypes().length == 0) {
constructor.setAccessible(true);
try {
constructor.newInstance();
} catch (Exception e) {
throw new IllegalStateException(e);
}
} else {
throw new IllegalStateException("This should only be used if the class has a singe private constructor");
}
}
}
public static byte[] loadFile(String url) {
try {
InputStream stream = SystemFunctions.class.getClassLoader().getResourceAsStream(url);
byte[] bytes = ByteStreams.toByteArray(stream);
return bytes;
} catch (Exception e) {
throw new RuntimeException("Unable to load " + url, e);
}
}
}
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