| /** |
| * 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.controller.internal; |
| |
| import junit.framework.Assert; |
| import org.apache.ambari.server.controller.predicate.AndPredicate; |
| import org.apache.ambari.server.controller.predicate.BasePredicate; |
| import org.apache.ambari.server.controller.predicate.CategoryIsEmptyPredicate; |
| import org.apache.ambari.server.controller.predicate.OrPredicate; |
| import org.apache.ambari.server.controller.utilities.PredicateBuilder; |
| import org.apache.ambari.server.controller.utilities.PropertyHelper; |
| import org.junit.Test; |
| |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| /** |
| * Tests for SimplifyingPredicateVisitor |
| */ |
| public class SimplifyingPredicateVisitorTest { |
| |
| private static final String PROPERTY_A = PropertyHelper.getPropertyId("category", "A"); |
| private static final String PROPERTY_B = PropertyHelper.getPropertyId("category", "B"); |
| private static final String PROPERTY_C = PropertyHelper.getPropertyId("category", "C"); |
| private static final String PROPERTY_D = PropertyHelper.getPropertyId("category", "D"); |
| |
| private static final BasePredicate PREDICATE_1 = new PredicateBuilder().property(PROPERTY_A).equals("Monkey").toPredicate(); |
| private static final BasePredicate PREDICATE_2 = new PredicateBuilder().property(PROPERTY_B).equals("Runner").toPredicate(); |
| private static final BasePredicate PREDICATE_3 = new AndPredicate(PREDICATE_1, PREDICATE_2); |
| private static final BasePredicate PREDICATE_4 = new OrPredicate(PREDICATE_1, PREDICATE_2); |
| private static final BasePredicate PREDICATE_5 = new PredicateBuilder().property(PROPERTY_C).equals("Racer").toPredicate(); |
| private static final BasePredicate PREDICATE_6 = new OrPredicate(PREDICATE_5, PREDICATE_4); |
| private static final BasePredicate PREDICATE_7 = new PredicateBuilder().property(PROPERTY_C).equals("Power").toPredicate(); |
| private static final BasePredicate PREDICATE_8 = new OrPredicate(PREDICATE_6, PREDICATE_7); |
| private static final BasePredicate PREDICATE_9 = new AndPredicate(PREDICATE_1, PREDICATE_8); |
| private static final BasePredicate PREDICATE_10 = new OrPredicate(PREDICATE_3, PREDICATE_5); |
| private static final BasePredicate PREDICATE_11 = new AndPredicate(PREDICATE_4, PREDICATE_10); |
| private static final BasePredicate PREDICATE_12 = new PredicateBuilder().property(PROPERTY_D).equals("Installer").toPredicate(); |
| private static final BasePredicate PREDICATE_13 = new AndPredicate(PREDICATE_1, PREDICATE_12); |
| private static final BasePredicate PREDICATE_14 = new PredicateBuilder().property(PROPERTY_D).greaterThan(12).toPredicate(); |
| private static final BasePredicate PREDICATE_15 = new AndPredicate(PREDICATE_1, PREDICATE_14); |
| private static final BasePredicate PREDICATE_16 = new CategoryIsEmptyPredicate("cat1"); |
| |
| @Test |
| public void testVisit() { |
| Set<String> supportedProperties = new HashSet<String>(); |
| supportedProperties.add(PROPERTY_A); |
| supportedProperties.add(PROPERTY_B); |
| supportedProperties.add(PROPERTY_C); |
| |
| SimplifyingPredicateVisitor visitor = new SimplifyingPredicateVisitor(supportedProperties); |
| |
| PREDICATE_1.accept(visitor); |
| |
| List<BasePredicate> simplifiedPredicates = visitor.getSimplifiedPredicates(); |
| |
| Assert.assertEquals(1, simplifiedPredicates.size()); |
| Assert.assertEquals(PREDICATE_1, simplifiedPredicates.get(0)); |
| |
| PREDICATE_3.accept(visitor); |
| |
| simplifiedPredicates = visitor.getSimplifiedPredicates(); |
| |
| Assert.assertEquals(1, simplifiedPredicates.size()); |
| Assert.assertEquals(PREDICATE_3, simplifiedPredicates.get(0)); |
| |
| |
| PREDICATE_4.accept(visitor); |
| |
| simplifiedPredicates = visitor.getSimplifiedPredicates(); |
| |
| Assert.assertEquals(2, simplifiedPredicates.size()); |
| Assert.assertEquals(PREDICATE_1, simplifiedPredicates.get(0)); |
| Assert.assertEquals(PREDICATE_2, simplifiedPredicates.get(1)); |
| |
| PREDICATE_6.accept(visitor); |
| |
| simplifiedPredicates = visitor.getSimplifiedPredicates(); |
| |
| Assert.assertEquals(3, simplifiedPredicates.size()); |
| Assert.assertEquals(PREDICATE_5, simplifiedPredicates.get(0)); |
| Assert.assertEquals(PREDICATE_1, simplifiedPredicates.get(1)); |
| Assert.assertEquals(PREDICATE_2, simplifiedPredicates.get(2)); |
| |
| PREDICATE_8.accept(visitor); |
| |
| simplifiedPredicates = visitor.getSimplifiedPredicates(); |
| |
| Assert.assertEquals(4, simplifiedPredicates.size()); |
| Assert.assertEquals(PREDICATE_5, simplifiedPredicates.get(0)); |
| Assert.assertEquals(PREDICATE_1, simplifiedPredicates.get(1)); |
| Assert.assertEquals(PREDICATE_2, simplifiedPredicates.get(2)); |
| Assert.assertEquals(PREDICATE_7, simplifiedPredicates.get(3)); |
| |
| PREDICATE_9.accept(visitor); |
| |
| simplifiedPredicates = visitor.getSimplifiedPredicates(); |
| |
| Assert.assertEquals(4, simplifiedPredicates.size()); |
| // Assert.assertEquals(???, simplifiedPredicates.get(0)); |
| |
| PREDICATE_11.accept(visitor); |
| |
| simplifiedPredicates = visitor.getSimplifiedPredicates(); |
| |
| Assert.assertEquals(4, simplifiedPredicates.size()); |
| // Assert.assertEquals(???, simplifiedPredicates.get(0)); |
| |
| PREDICATE_13.accept(visitor); |
| |
| simplifiedPredicates = visitor.getSimplifiedPredicates(); |
| |
| Assert.assertEquals(1, simplifiedPredicates.size()); |
| Assert.assertEquals(PREDICATE_1, simplifiedPredicates.get(0)); |
| |
| PREDICATE_15.accept(visitor); |
| |
| simplifiedPredicates = visitor.getSimplifiedPredicates(); |
| |
| Assert.assertEquals(1, simplifiedPredicates.size()); |
| Assert.assertEquals(PREDICATE_1, simplifiedPredicates.get(0)); |
| |
| PREDICATE_16.accept(visitor); |
| |
| simplifiedPredicates = visitor.getSimplifiedPredicates(); |
| |
| Assert.assertEquals(1, simplifiedPredicates.size()); |
| Assert.assertEquals(PREDICATE_16, simplifiedPredicates.get(0)); |
| } |
| } |