| /* |
| * 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 |
| * |
| * https://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.*; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.ObjectInputStream; |
| import java.io.ObjectOutputStream; |
| 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.generic.GenericData; |
| 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) { |
| } |
| } |
| |
| public static class TestRecord extends SpecificRecordBase { |
| private static final Schema SCHEMA = Schema.createRecord("TestRecord", null, null, false); |
| static { |
| List<Field> fields = new ArrayList<>(); |
| fields.add(new Field("x", Schema.create(Type.INT), null, null)); |
| Schema stringSchema = Schema.create(Type.STRING); |
| GenericData.setStringType(stringSchema, GenericData.StringType.String); |
| fields.add(new Field("y", stringSchema, 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")); |
| } |
| |
| @Test |
| public void testExternalizeable() throws Exception { |
| final TestRecord before = new TestRecord(); |
| before.put("x", 1); |
| before.put("y", "str"); |
| ByteArrayOutputStream bytes = new ByteArrayOutputStream(); |
| ObjectOutputStream out = new ObjectOutputStream(bytes); |
| out.writeObject(before); |
| out.close(); |
| |
| ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(bytes.toByteArray())); |
| TestRecord after = (TestRecord) in.readObject(); |
| |
| assertEquals(before, after); |
| } |
| |
| /** 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<>(string); |
| try { |
| writer.write(new Object(), encoder); |
| fail("Non stringable object should be rejected."); |
| } catch (ClassCastException cce) { |
| // Expected error |
| } |
| } |
| } |