/*
* 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 com.facebook.presto.spi.transaction;
import org.testng.annotations.Test;
import static com.facebook.presto.spi.transaction.IsolationLevel.READ_COMMITTED;
import static com.facebook.presto.spi.transaction.IsolationLevel.READ_UNCOMMITTED;
import static com.facebook.presto.spi.transaction.IsolationLevel.REPEATABLE_READ;
import static com.facebook.presto.spi.transaction.IsolationLevel.SERIALIZABLE;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertFalse;
import static org.testng.Assert.assertTrue;
public class TestIsolationLevel
{
@Test
public void testMeetsRequirementOf()
throws Exception
{
assertTrue(READ_UNCOMMITTED.meetsRequirementOf(READ_UNCOMMITTED));
assertFalse(READ_UNCOMMITTED.meetsRequirementOf(READ_COMMITTED));
assertFalse(READ_UNCOMMITTED.meetsRequirementOf(REPEATABLE_READ));
assertFalse(READ_UNCOMMITTED.meetsRequirementOf(SERIALIZABLE));
assertTrue(READ_COMMITTED.meetsRequirementOf(READ_UNCOMMITTED));
assertTrue(READ_COMMITTED.meetsRequirementOf(READ_COMMITTED));
assertFalse(READ_COMMITTED.meetsRequirementOf(REPEATABLE_READ));
assertFalse(READ_COMMITTED.meetsRequirementOf(SERIALIZABLE));
assertTrue(REPEATABLE_READ.meetsRequirementOf(READ_UNCOMMITTED));
assertTrue(REPEATABLE_READ.meetsRequirementOf(READ_COMMITTED));
assertTrue(REPEATABLE_READ.meetsRequirementOf(REPEATABLE_READ));
assertFalse(REPEATABLE_READ.meetsRequirementOf(SERIALIZABLE));
assertTrue(SERIALIZABLE.meetsRequirementOf(READ_UNCOMMITTED));
assertTrue(SERIALIZABLE.meetsRequirementOf(READ_COMMITTED));
assertTrue(SERIALIZABLE.meetsRequirementOf(REPEATABLE_READ));
assertTrue(SERIALIZABLE.meetsRequirementOf(SERIALIZABLE));
}
@Test
public void testToString()
throws Exception
{
assertEquals(READ_UNCOMMITTED.toString(), "READ UNCOMMITTED");
assertEquals(READ_COMMITTED.toString(), "READ COMMITTED");
assertEquals(REPEATABLE_READ.toString(), "REPEATABLE READ");
assertEquals(SERIALIZABLE.toString(), "SERIALIZABLE");
}
}