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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2016-2018 Ericsson. All rights reserved.
* ================================================================================
* 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.policy.apex.model.basicmodel.handling;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileReader;
import java.io.IOException;
import java.lang.reflect.Field;
import javax.xml.bind.JAXBException;
import javax.xml.bind.PropertyException;
import javax.xml.bind.Unmarshaller;
import javax.xml.transform.stream.StreamSource;
import org.junit.Test;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.MockitoAnnotations;
import org.onap.policy.apex.model.basicmodel.concepts.ApexException;
import org.onap.policy.apex.model.basicmodel.concepts.AxModel;
public class ApexModelReaderTest {
@Mock
private Unmarshaller unmarshallerMock;
@Test
public void testModelReader() throws IOException, ApexException {
AxModel model = new DummyApexBasicModelCreator().getModel();
AxModel invalidModel = new DummyApexBasicModelCreator().getInvalidModel();
ApexModelWriter<AxModel> modelWriter = new ApexModelWriter<AxModel>(AxModel.class);
modelWriter.setValidateFlag(true);
modelWriter.setJsonOutput(true);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
modelWriter.write(model, baos);
ByteArrayOutputStream baosInvalid = new ByteArrayOutputStream();
modelWriter.setValidateFlag(false);
modelWriter.write(invalidModel, baosInvalid);
ApexModelReader<AxModel> modelReader = new ApexModelReader<AxModel>(AxModel.class, true);
modelReader.setValidateFlag(true);
assertTrue(modelReader.getValidateFlag());
ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
AxModel readModel = modelReader.read(bais);
assertEquals(model, readModel);
ByteArrayInputStream baisInvalid = new ByteArrayInputStream(baosInvalid.toByteArray());
try {
modelReader.read(baisInvalid);
fail("test should throw an exceptino here");
} catch (Exception e) {
assertTrue(e.getMessage().startsWith("Apex concept validation failed"));
}
modelReader.setValidateFlag(false);
assertFalse(modelReader.getValidateFlag());
ByteArrayInputStream bais2 = new ByteArrayInputStream(baos.toByteArray());
AxModel readModel2 = modelReader.read(bais2);
assertEquals(model, readModel2);
modelWriter.setJsonOutput(false);
ByteArrayOutputStream baosXml = new ByteArrayOutputStream();
modelWriter.write(model, baosXml);
ByteArrayInputStream baisXml = new ByteArrayInputStream(baosXml.toByteArray());
AxModel readModelXml = modelReader.read(baisXml);
assertEquals(model, readModelXml);
String dummyString = "SomeDummyText";
ByteArrayInputStream baisDummy = new ByteArrayInputStream(dummyString.getBytes());
try {
modelReader.read(baisDummy);
fail("test should throw an exception here");
} catch (Exception e) {
assertEquals("format of input for Apex concept is neither JSON nor XML", e.getMessage());
}
try {
ByteArrayInputStream nullBais = null;
modelReader.read(nullBais);
fail("test should throw an exception here");
} catch (Exception e) {
assertEquals("concept stream may not be null", e.getMessage());
}
try {
FileInputStream fis = new FileInputStream(new File("somewhere/over/the/rainbow"));
modelReader.read(fis);
fail("test should throw an exception here");
} catch (Exception e) {
assertTrue(e.getMessage().contains("rainbow"));
}
File tempFile = File.createTempFile("Apex", "Dummy");
try {
BufferedReader br = new BufferedReader(new FileReader(tempFile));
br.close();
modelReader.read(br);
fail("test should throw an exception here");
} catch (Exception e) {
assertEquals("Unable to read Apex concept ", e.getMessage());
} finally {
tempFile.delete();
}
modelReader.setSchema(null);
tempFile = File.createTempFile("Apex", "Dummy");
try {
modelReader.setSchema(tempFile.getCanonicalPath());
fail("test should throw an exception here");
} catch (Exception e) {
assertEquals("Unable to load schema", e.getMessage());
} finally {
tempFile.delete();
}
modelReader.setSchema("xml/example.xsd");
}
@Test
public void testSetInputTypeError() throws ApexModelException {
MockitoAnnotations.initMocks(this);
ApexModelReader<AxModel> modelReader = new ApexModelReader<AxModel>(AxModel.class, true);
try {
Field marshallerField = modelReader.getClass().getDeclaredField("unmarshaller");
marshallerField.setAccessible(true);
marshallerField.set(modelReader, unmarshallerMock);
marshallerField.setAccessible(false);
} catch (Exception validationException) {
fail("test should not throw an exception");
}
try {
Mockito.doThrow(new JAXBException("Exception marshalling to JSON")).when(unmarshallerMock)
.unmarshal((StreamSource) Mockito.anyObject(), Mockito.anyObject());
modelReader.read("{Hello}");
fail("Test should throw an exception here");
} catch (Exception jaxbe) {
assertEquals("Unable to unmarshal Apex concept ", jaxbe.getMessage());
}
try {
Mockito.doThrow(new PropertyException("Exception setting JAXB property")).when(unmarshallerMock)
.setProperty(Mockito.anyString(), Mockito.anyString());
modelReader.read("{Hello}");
fail("Test should throw an exception here");
} catch (Exception jaxbe) {
assertEquals("JAXB error setting unmarshaller for JSON input", jaxbe.getMessage());
}
try {
Mockito.doThrow(new PropertyException("Exception setting JAXB property")).when(unmarshallerMock)
.setProperty(Mockito.anyString(), Mockito.anyString());
modelReader.read("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
fail("Test should throw an exception here");
} catch (Exception jaxbe) {
assertEquals("JAXB error setting unmarshaller for XML input", jaxbe.getMessage());
}
}
}
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