/*
* Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com
* The software in this package is published under the terms of the CPAL v1.0
* license, a copy of which has been included with this distribution in the
* LICENSE.txt file.
*/
package org.mule.runtime.core.transformer;
import static java.nio.charset.StandardCharsets.UTF_8;
import static junit.framework.Assert.assertEquals;
import static junit.framework.Assert.assertTrue;
import static org.mockito.Matchers.any;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.RETURNS_DEEP_STUBS;
import static org.mockito.Mockito.atLeastOnce;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import org.mule.runtime.api.message.Message;
import org.mule.runtime.api.metadata.DataType;
import org.mule.runtime.core.api.Event;
import org.mule.runtime.core.api.MuleContext;
import org.mule.runtime.core.api.TransformationService;
import org.mule.runtime.core.api.transformer.Converter;
import org.mule.tck.junit4.AbstractMuleTestCase;
import org.mule.tck.size.SmallTest;
import java.util.Arrays;
import org.junit.Test;
@SmallTest
public class CompositeConverterTestCase extends AbstractMuleTestCase {
private Converter mockConverterA = mock(Converter.class);
private Converter mockConverterB = mock(Converter.class);
@Test(expected = IllegalArgumentException.class)
public void rejectsEmptyCompositeTransformer() throws Exception {
new CompositeConverter();
}
@Test
public void isSourceDataTypeSupported() {
Converter converter = mock(Converter.class);
when(converter.isSourceDataTypeSupported(DataType.STRING)).thenReturn(true);
CompositeConverter chain = new CompositeConverter(converter);
assertTrue(chain.isSourceDataTypeSupported(DataType.STRING));
}
@Test
public void getSourceDataTypes() {
DataType[] dataTypes = new DataType[] {DataType.STRING};
Converter converter = mock(Converter.class);
when(converter.getSourceDataTypes()).thenReturn(Arrays.asList(dataTypes));
CompositeConverter chain = new CompositeConverter(converter);
assertEquals(DataType.STRING, chain.getSourceDataTypes().get(0));
}
@Test
public void isAcceptNull() {
Converter converter = mock(Converter.class);
when(converter.isAcceptNull()).thenReturn(true);
CompositeConverter chain = new CompositeConverter(converter);
assertTrue(chain.isAcceptNull());
}
@Test
public void isIgnoreBadInput() {
Converter converter = mock(Converter.class);
when(converter.isIgnoreBadInput()).thenReturn(true);
CompositeConverter chain = new CompositeConverter(converter);
assertTrue(chain.isIgnoreBadInput());
}
@Test
public void setReturnDataType() {
Converter converter = mock(Converter.class);
CompositeConverter chain = new CompositeConverter(converter);
chain.setReturnDataType(DataType.STRING);
verify(converter, atLeastOnce()).setReturnDataType(DataType.STRING);
}
@Test
public void getReturnDataType() {
doReturn(DataType.STRING).when(mockConverterB).getReturnDataType();
CompositeConverter compositeConverter = new CompositeConverter(mockConverterA, mockConverterB);
assertEquals(DataType.STRING, compositeConverter.getReturnDataType());
}
@Test
public void priorityWeighting() throws Exception {
CompositeConverter compositeConverter = new CompositeConverter(mockConverterA, mockConverterB);
when(mockConverterA.getPriorityWeighting()).thenReturn(1);
when(mockConverterB.getPriorityWeighting()).thenReturn(2);
int priorityWeighting = compositeConverter.getPriorityWeighting();
assertEquals(3, priorityWeighting);
}
@Test
public void initialise() throws Exception {
CompositeConverter compositeConverter = new CompositeConverter(mockConverterA, mockConverterB);
compositeConverter.initialise();
verify(mockConverterA, atLeastOnce()).initialise();
verify(mockConverterB, atLeastOnce()).initialise();
}
@Test
public void dispose() throws Exception {
CompositeConverter compositeConverter = new CompositeConverter(mockConverterA, mockConverterB);
compositeConverter.dispose();
verify(mockConverterA, atLeastOnce()).dispose();
verify(mockConverterB, atLeastOnce()).dispose();
}
@Test
public void setMuleContext() {
MuleContext mockMuleContext = mock(MuleContext.class);
CompositeConverter compositeConverter = new CompositeConverter(mockConverterA, mockConverterB);
compositeConverter.setMuleContext(mockMuleContext);
verify(mockConverterA, atLeastOnce()).setMuleContext(mockMuleContext);
verify(mockConverterB, atLeastOnce()).setMuleContext(mockMuleContext);
}
@Test
public void transform() throws Exception {
doReturn("MyOutput1").when(mockConverterA).transform(any());
doReturn(DataType.builder().charset(UTF_8).build()).when(mockConverterA).getReturnDataType();
doReturn("MyOutput2").when(mockConverterB).transform(eq("MyOutput1"), eq(UTF_8));
doReturn(DataType.builder().charset(UTF_8).build()).when(mockConverterB).getReturnDataType();
CompositeConverter compositeConverter = new CompositeConverter(mockConverterA, mockConverterB);
Object output = compositeConverter.transform("MyInput");
verify(mockConverterA, times(1)).transform("MyInput");
verify(mockConverterB, times(1)).transform("MyOutput1", UTF_8);
assertEquals("MyOutput2", output);
}
@Test
public void appliesTransformerChainOnMessage() throws Exception {
CompositeConverter compositeConverter = new CompositeConverter(mockConverterA, mockConverterB);
MuleContext muleContext = mock(MuleContext.class, RETURNS_DEEP_STUBS);
compositeConverter.setMuleContext(muleContext);
final Event event = testEvent();
TransformationService transformationService = mock(TransformationService.class);
doReturn(mock(Message.class)).when(transformationService).applyTransformers(any(), eq(event), eq(compositeConverter));
doReturn(transformationService).when(muleContext).getTransformationService();
compositeConverter.process(event);
verify(transformationService, times(1)).applyTransformers(eq(testEvent().getMessage()), eq(testEvent()),
eq(compositeConverter));
}
}