| /** |
| * 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.ambari.server.api.predicate.operators; |
| |
| |
| import org.apache.ambari.server.api.predicate.InvalidQueryException; |
| import org.apache.ambari.server.controller.predicate.CategoryIsEmptyPredicate; |
| import org.apache.ambari.server.controller.spi.Predicate; |
| import org.junit.Test; |
| |
| import static org.junit.Assert.*; |
| |
| /** |
| * IsEmpty operator test. |
| */ |
| public class IsEmptyOperatorTest { |
| |
| @Test |
| public void testGetName() { |
| assertEquals("IsEmptyOperator", new IsEmptyOperator().getName()); |
| } |
| |
| @Test |
| public void testToPredicate() throws InvalidQueryException { |
| String prop = "prop"; |
| Predicate p = new CategoryIsEmptyPredicate(prop); |
| |
| assertEquals(p, new IsEmptyOperator().toPredicate(prop, null)); |
| } |
| |
| @Test |
| public void testGetType() { |
| assertSame(Operator.TYPE.IS_EMPTY, new IsEmptyOperator().getType()); |
| } |
| |
| @Test |
| public void testGetBasePrecedence() { |
| assertEquals(-1, new IsEmptyOperator().getBasePrecedence()); |
| } |
| |
| @Test |
| public void testGetPrecedence() { |
| assertEquals(-1, new IsEmptyOperator().getPrecedence()); |
| } |
| } |