/**
* 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.hadoop.hbase.client;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.function.Consumer;
import org.apache.hadoop.hbase.HColumnDescriptor;
import org.apache.hadoop.hbase.HTableDescriptor;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.testclassification.ClientTests;
import org.apache.hadoop.hbase.testclassification.SmallTests;
import org.apache.hadoop.hbase.util.BuilderStyleTest;
import org.apache.hadoop.hbase.util.Bytes;
import static org.junit.Assert.fail;
import org.junit.Rule;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.rules.TestName;
@Category({ClientTests.class, SmallTests.class})
public class TestImmutableHTableDescriptor {
@Rule
public TestName name = new TestName();
private static final List<Consumer<ImmutableHTableDescriptor>> TEST_FUNCTION = Arrays.asList(
htd -> htd.setValue("a", "a"),
htd -> htd.setValue(Bytes.toBytes("a"), Bytes.toBytes("a")),
htd -> htd.setValue(new Bytes(Bytes.toBytes("a")), new Bytes(Bytes.toBytes("a"))),
htd -> htd.setCompactionEnabled(false),
htd -> htd.setConfiguration("aaa", "ccc"),
htd -> htd.setDurability(Durability.USE_DEFAULT),
htd -> htd.setFlushPolicyClassName("class"),
htd -> htd.setMaxFileSize(123),
htd -> htd.setMemStoreFlushSize(123123123),
htd -> htd.setNormalizationEnabled(false),
htd -> htd.setPriority(123),
htd -> htd.setReadOnly(true),
htd -> htd.setRegionMemstoreReplication(true),
htd -> htd.setRegionReplication(123),
htd -> htd.setRegionSplitPolicyClassName("class"),
htd -> htd.addFamily(new HColumnDescriptor(Bytes.toBytes("fm"))),
htd -> htd.remove(new Bytes(Bytes.toBytes("aaa"))),
htd -> htd.remove("aaa"),
htd -> htd.remove(Bytes.toBytes("aaa")),
htd -> htd.removeConfiguration("xxx"),
htd -> htd.removeFamily(Bytes.toBytes("fm")),
htd -> {
try {
htd.addCoprocessor("xxx");
} catch (IOException e) {
throw new RuntimeException(e);
}
}
);
@Test
public void testImmutable() {
ImmutableHTableDescriptor htd = new ImmutableHTableDescriptor(
new HTableDescriptor(TableName.valueOf(name.getMethodName())));
TEST_FUNCTION.forEach(f -> {
try {
f.accept(htd);
fail("ImmutableHTableDescriptor can't be modified!!!");
} catch (UnsupportedOperationException e) {
}
});
}
@Test
public void testClassMethodsAreBuilderStyle() {
/* ImmutableHTableDescriptor should have a builder style setup where setXXX/addXXX methods
* can be chainable together:
* . For example:
* ImmutableHTableDescriptor d
* = new ImmutableHTableDescriptor()
* .setFoo(foo)
* .setBar(bar)
* .setBuz(buz)
*
* This test ensures that all methods starting with "set" returns the declaring object
*/
BuilderStyleTest.assertClassesAreBuilderStyle(ImmutableHTableDescriptor.class);
}
}