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* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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,
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* See the License for the specific language governing permissions and
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package org.apache.nifi.processors.standard.util;
import java.net.URL;
import java.net.URLClassLoader;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import org.apache.nifi.processors.standard.util.jolt.TransformFactory;
import org.junit.Test;
import com.bazaarvoice.jolt.CardinalityTransform;
import com.bazaarvoice.jolt.Chainr;
import com.bazaarvoice.jolt.Defaultr;
import com.bazaarvoice.jolt.JoltTransform;
import com.bazaarvoice.jolt.JsonUtils;
import com.bazaarvoice.jolt.Modifier;
import com.bazaarvoice.jolt.Removr;
import com.bazaarvoice.jolt.Shiftr;
import com.bazaarvoice.jolt.Sortr;
import static org.junit.Assert.assertTrue;
public class TestTransformFactory {
@Test
public void testGetChainTransform() throws Exception{
final String chainrSpec = new String(Files.readAllBytes(Paths.get("src/test/resources/TestTransformFactory/chainrSpec.json")));
JoltTransform transform = TransformFactory.getTransform(getClass().getClassLoader(), "jolt-transform-chain",JsonUtils.jsonToObject(chainrSpec));
assertTrue(transform instanceof Chainr);
}
@Test
public void testGetDefaultTransform() throws Exception{
final String defaultrSpec = new String(Files.readAllBytes(Paths.get("src/test/resources/TestTransformFactory/defaultrSpec.json")));
JoltTransform transform = TransformFactory.getTransform(getClass().getClassLoader(), "jolt-transform-default",JsonUtils.jsonToObject(defaultrSpec));
assertTrue(transform instanceof Defaultr);
}
@Test
public void testGetSortTransform() throws Exception{
JoltTransform transform = TransformFactory.getTransform(getClass().getClassLoader(), "jolt-transform-sort",null);
assertTrue(transform instanceof Sortr);
}
@Test
public void testGetShiftTransform() throws Exception{
final String shiftrSpec = new String(Files.readAllBytes(Paths.get("src/test/resources/TestTransformFactory/shiftrSpec.json")));
JoltTransform transform = TransformFactory.getTransform(getClass().getClassLoader(), "jolt-transform-shift",JsonUtils.jsonToObject(shiftrSpec));
assertTrue(transform instanceof Shiftr);
}
@Test
public void testGetRemoveTransform() throws Exception{
final String removrSpec = new String(Files.readAllBytes(Paths.get("src/test/resources/TestTransformFactory/removrSpec.json")));
JoltTransform transform = TransformFactory.getTransform(getClass().getClassLoader(), "jolt-transform-remove",JsonUtils.jsonToObject(removrSpec));
assertTrue(transform instanceof Removr);
}
@Test
public void testGetCardinalityTransform() throws Exception{
final String cardrSpec = new String(Files.readAllBytes(Paths.get("src/test/resources/TestTransformFactory/cardrSpec.json")));
JoltTransform transform = TransformFactory.getTransform(getClass().getClassLoader(), "jolt-transform-card",JsonUtils.jsonToObject(cardrSpec));
assertTrue(transform instanceof CardinalityTransform);
}
@Test
public void testGetModifierDefaultTransform() throws Exception{
final String cardrSpec = new String(Files.readAllBytes(Paths.get("src/test/resources/TestTransformFactory/modifierDefaultSpec.json")));
JoltTransform transform = TransformFactory.getTransform(getClass().getClassLoader(), "jolt-transform-modify-default",JsonUtils.jsonToObject(cardrSpec));
assertTrue(transform instanceof Modifier.Defaultr);
}
@Test
public void testGetModifierDefineTransform() throws Exception{
final String cardrSpec = new String(Files.readAllBytes(Paths.get("src/test/resources/TestTransformFactory/modifierDefineSpec.json")));
JoltTransform transform = TransformFactory.getTransform(getClass().getClassLoader(), "jolt-transform-modify-define",JsonUtils.jsonToObject(cardrSpec));
assertTrue(transform instanceof Modifier.Definr);
}
@Test
public void testGetModifierOverwriteTransform() throws Exception{
final String cardrSpec = new String(Files.readAllBytes(Paths.get("src/test/resources/TestTransformFactory/modifierOverwriteSpec.json")));
JoltTransform transform = TransformFactory.getTransform(getClass().getClassLoader(), "jolt-transform-modify-overwrite",JsonUtils.jsonToObject(cardrSpec));
assertTrue(transform instanceof Modifier.Overwritr);
}
@Test
public void testGetInvalidTransformWithNoSpec() {
try{
TransformFactory.getTransform(getClass().getClassLoader(), "jolt-transform-chain",null);
}catch (Exception e){
assertTrue(e.getLocalizedMessage().equals("JOLT Chainr expects a JSON array of objects - Malformed spec."));
}
}
@Test
public void testGetCustomTransformation() throws Exception{
final String chainrSpec = new String(Files.readAllBytes(Paths.get("src/test/resources/TestTransformFactory/chainrSpec.json")));
Path jarFilePath = Paths.get("src/test/resources/TestTransformFactory/TestCustomJoltTransform.jar");
URL[] urlPaths = new URL[1];
urlPaths[0] = jarFilePath.toUri().toURL();
ClassLoader customClassLoader = new URLClassLoader(urlPaths,this.getClass().getClassLoader());
JoltTransform transform = TransformFactory.getCustomTransform(customClassLoader,"TestCustomJoltTransform",JsonUtils.jsonToObject(chainrSpec));
assertTrue(transform != null);
assertTrue(transform.getClass().getName().equals("TestCustomJoltTransform"));
}
@Test
public void testGetCustomTransformationNotFound() throws Exception{
final String chainrSpec = new String(Files.readAllBytes(Paths.get("src/test/resources/TestTransformFactory/chainrSpec.json")));
try {
TransformFactory.getCustomTransform(this.getClass().getClassLoader(), "TestCustomJoltTransform", chainrSpec);
}catch (ClassNotFoundException cnf){
assertTrue(cnf.getLocalizedMessage().equals("TestCustomJoltTransform"));
}
}
}