/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more 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,
* 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.apache.avro.specific;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.ByteArrayOutputStream;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.apache.avro.Schema;
import org.apache.avro.Schema.Field;
import org.apache.avro.Schema.Type;
import org.apache.avro.io.DatumWriter;
import org.apache.avro.io.Encoder;
import org.apache.avro.io.EncoderFactory;
import org.junit.Before;
import org.junit.Test;
/*
* If integerClass is primitive, reflection to find method will
* result in a NoSuchMethodException in the case of a UNION schema
*/
public class TestSpecificData {
private Class<?> intClass;
private Class<?> integerClass;
@Before
public void setUp() {
Schema intSchema = Schema.create(Type.INT);
intClass = SpecificData.get().getClass(intSchema);
Schema nullSchema = Schema.create(Type.NULL);
Schema nullIntUnionSchema = Schema.createUnion(Arrays.asList(nullSchema, intSchema));
integerClass = SpecificData.get().getClass(nullIntUnionSchema);
}
@Test
public void testClassTypes() {
assertTrue(intClass.isPrimitive());
assertFalse(integerClass.isPrimitive());
}
@Test
public void testPrimitiveParam() throws Exception {
assertNotNull(Reflection.class.getMethod("primitive", intClass));
}
@Test(expected = NoSuchMethodException.class)
public void testPrimitiveParamError() throws Exception {
Reflection.class.getMethod("primitiveWrapper", intClass);
}
@Test
public void testPrimitiveWrapperParam() throws Exception {
assertNotNull(Reflection.class.getMethod("primitiveWrapper", integerClass));
}
@Test(expected = NoSuchMethodException.class)
public void testPrimitiveWrapperParamError() throws Exception {
Reflection.class.getMethod("primitive", integerClass);
}
static class Reflection {
public void primitive(int i) {}
public void primitiveWrapper(Integer i) {}
}
private static class TestRecord extends SpecificRecordBase {
private static final Schema SCHEMA = Schema.createRecord("TestRecord", null, null, false);
static {
List<Field> fields = new ArrayList<Field>();
fields.add(new Field("x", Schema.create(Type.INT), null, null));
fields.add(new Field("y", Schema.create(Type.STRING), null, null));
SCHEMA.setFields(fields);
}
private int x;
private String y;
@Override
public void put(int i, Object v) {
switch (i) {
case 0: x = (Integer) v; break;
case 1: y = (String) v; break;
default: throw new RuntimeException();
}
}
@Override
public Object get(int i) {
switch (i) {
case 0: return x;
case 1: return y;
}
throw new RuntimeException();
}
@Override
public Schema getSchema() {
return SCHEMA;
}
}
@Test
public void testSpecificRecordBase() {
final TestRecord record = new TestRecord();
record.put("x", 1);
record.put("y", "str");
assertEquals(1, record.get("x"));
assertEquals("str", record.get("y"));
}
/** Tests that non Stringable datum are rejected by specific writers. */
@Test
public void testNonStringable() throws Exception {
final Schema string = Schema.create(Type.STRING);
final ByteArrayOutputStream baos = new ByteArrayOutputStream();
final Encoder encoder = EncoderFactory.get().directBinaryEncoder(baos, null);
final DatumWriter<Object> writer = new SpecificDatumWriter<Object>(string);
try {
writer.write(new Object(), encoder);
fail("Non stringable object should be rejected.");
} catch (ClassCastException cce) {
// Expected error
}
}
}