/**
* (c) Copyright 2012 WibiData, Inc.
*
* See the NOTICE file distributed with this work for additional
* information regarding copyright ownership.
*
* 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.
*/
package org.kiji.schema;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import org.apache.avro.Schema;
import org.junit.Test;
import org.kiji.schema.KijiSchemaTable.SchemaHashCache;
import org.kiji.schema.util.BytesKey;
/** Tests for SchemaHashCache. */
public class TestSchemaHashCache extends KijiClientTest {
@Test
public void testSchemaMD5CacheTwoIdenticalPrimitives() throws Exception {
final Schema intSchema1 = Schema.create(Schema.Type.INT);
final Schema intSchema2 = Schema.create(Schema.Type.INT);
final SchemaHashCache cache = new SchemaHashCache();
final BytesKey key1 = cache.getHash(intSchema1);
assertEquals(key1, cache.getHash(intSchema1));
final BytesKey key2 = cache.getHash(intSchema2);
assertEquals(key1, key2);
}
/** A modified documentation should produce a different hash. */
@Test
public void testSchemaMD5CacheTwoIdenticalRecords() throws Exception {
final String jsonSchema1 =
"{"
+ " \"name\": \"Record\","
+ " \"type\": \"record\","
+ " \"doc\": \"Documentation\","
+ " \"fields\": []"
+ "}";
final Schema schema1 = new Schema.Parser().parse(jsonSchema1);
final Schema schema1bis = new Schema.Parser().parse(jsonSchema1);
final Schema schema2 = new Schema.Parser().parse(
"{"
+ " \"name\": \"Record\","
+ " \"type\": \"record\","
+ " \"doc\": \"Modified documentation\","
+ " \"fields\": []"
+ "}");
final SchemaHashCache cache = new SchemaHashCache();
final BytesKey key1 = cache.getHash(schema1);
assertEquals(key1, cache.getHash(schema1));
final BytesKey key1bis = cache.getHash(schema1bis);
final BytesKey key2 = cache.getHash(schema2);
assertEquals(key1, key1bis);
assertFalse(key1.equals(key2));
}
}