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/*
* Copyright (c) 2017 Cisco and/or its affiliates.
*
* 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 io.fd.hc2vpp.model.test;
import static com.google.common.base.Preconditions.checkState;
import static org.junit.Assert.assertNotNull;
import com.google.common.base.Charsets;
import com.google.common.base.Strings;
import com.google.common.io.Resources;
import java.io.IOException;
import java.net.URL;
import java.util.Arrays;
import java.util.Collections;
import java.util.Set;
import java.util.stream.Collectors;
import javax.annotation.Nonnull;
import org.junit.Test;
import org.opendaylight.mdsal.binding.generator.impl.ModuleInfoBackedContext;
import org.opendaylight.yangtools.yang.binding.YangModelBindingProvider;
import org.opendaylight.yangtools.yang.binding.YangModuleInfo;
import org.opendaylight.yangtools.yang.data.impl.leafref.LeafRefContext;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
/**
* Tests whether LeafRefContext in is constructable from standard set of models
*/
public class LeafRefContextTest {
private static final String YANG_BA_PROVIDER_PATH = "META-INF/services/" + YangModelBindingProvider.class.getName();
@Test
public void testLeafRefContextCreation() {
assertNotNull(LeafRefContext.create(context()));
}
private SchemaContext context() {
ModuleInfoBackedContext ctx = ModuleInfoBackedContext.create();
final Set<YangModuleInfo> modules = modules();
checkState(!modules.isEmpty(), "No modules found");
ctx.addModuleInfos(modules);
return ctx.getSchemaContext();
}
private Set<YangModuleInfo> modules() {
try {
return Collections.list(getClass().getClassLoader().getResources(YANG_BA_PROVIDER_PATH))
.stream()
.map(LeafRefContextTest::urlToString)
.flatMap(content -> Arrays.stream(content.split("\n")))
.filter(line -> !Strings.isNullOrEmpty(line.trim()))
.map(LeafRefContextTest::loadClass)
.map(LeafRefContextTest::getInstance)
.map(YangModelBindingProvider.class::cast)
.map(YangModelBindingProvider::getModuleInfo)
.collect(Collectors.toSet());
} catch (IOException e) {
throw new IllegalStateException("Unable to load binding providers from path: " + YANG_BA_PROVIDER_PATH, e);
}
}
private static Object getInstance(@Nonnull final Class<?> aClass) {
try {
return aClass.newInstance();
} catch (InstantiationException | IllegalAccessException e) {
throw new IllegalStateException("Unable to create instance of " + aClass);
}
}
private static Class<?> loadClass(@Nonnull final String className) {
try {
return Class.forName(className);
} catch (ClassNotFoundException e) {
throw new IllegalArgumentException("Unable to load class: " + className, e);
}
}
private static String urlToString(@Nonnull final URL url) {
try {
return Resources.toString(url, Charsets.UTF_8);
} catch (IOException e) {
throw new IllegalArgumentException("Unable to read resource from: " + url, e);
}
}
}
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