| /** |
| * 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.CategoryIsEmptyPredicate; |
| import org.apache.ambari.server.controller.predicate.OrPredicate; |
| import org.apache.ambari.server.controller.spi.Predicate; |
| import org.apache.ambari.server.controller.spi.ResourceProvider; |
| import org.apache.ambari.server.controller.utilities.PredicateBuilder; |
| import org.apache.ambari.server.controller.utilities.PredicateHelper; |
| import org.apache.ambari.server.controller.utilities.PropertyHelper; |
| import org.easymock.Capture; |
| import org.junit.Test; |
| |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Set; |
| |
| import static junit.framework.Assert.assertEquals; |
| import static org.easymock.EasyMock.capture; |
| import static org.easymock.EasyMock.createStrictMock; |
| import static org.easymock.EasyMock.expect; |
| import static org.easymock.EasyMock.replay; |
| import static org.easymock.EasyMock.reset; |
| import static org.easymock.EasyMock.verify; |
| |
| /** |
| * 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 Predicate PREDICATE_1 = new PredicateBuilder().property(PROPERTY_A).equals("Monkey").toPredicate(); |
| private static final Predicate PREDICATE_2 = new PredicateBuilder().property(PROPERTY_B).equals("Runner").toPredicate(); |
| private static final Predicate PREDICATE_3 = new AndPredicate(PREDICATE_1, PREDICATE_2); |
| private static final Predicate PREDICATE_4 = new OrPredicate(PREDICATE_1, PREDICATE_2); |
| private static final Predicate PREDICATE_5 = new PredicateBuilder().property(PROPERTY_C).equals("Racer").toPredicate(); |
| private static final Predicate PREDICATE_6 = new OrPredicate(PREDICATE_5, PREDICATE_4); |
| private static final Predicate PREDICATE_7 = new PredicateBuilder().property(PROPERTY_C).equals("Power").toPredicate(); |
| private static final Predicate PREDICATE_8 = new OrPredicate(PREDICATE_6, PREDICATE_7); |
| private static final Predicate PREDICATE_9 = new AndPredicate(PREDICATE_1, PREDICATE_8); |
| private static final Predicate PREDICATE_10 = new OrPredicate(PREDICATE_3, PREDICATE_5); |
| private static final Predicate PREDICATE_11 = new AndPredicate(PREDICATE_4, PREDICATE_10); |
| private static final Predicate PREDICATE_12 = new PredicateBuilder().property(PROPERTY_D).equals("Installer").toPredicate(); |
| private static final Predicate PREDICATE_13 = new AndPredicate(PREDICATE_1, PREDICATE_12); |
| private static final Predicate PREDICATE_14 = new PredicateBuilder().property(PROPERTY_D).greaterThan(12).toPredicate(); |
| private static final Predicate PREDICATE_15 = new AndPredicate(PREDICATE_1, PREDICATE_14); |
| private static final Predicate PREDICATE_16 = new CategoryIsEmptyPredicate("cat1"); |
| |
| @Test |
| public void testVisit() { |
| |
| ResourceProvider provider = createStrictMock(ResourceProvider.class); |
| Capture<Set<String>> propertiesCapture = new Capture<Set<String>>(); |
| |
| SimplifyingPredicateVisitor visitor = new SimplifyingPredicateVisitor(provider); |
| |
| //expectations |
| |
| expect(provider.checkPropertyIds(capture(propertiesCapture))).andReturn(Collections.<String>emptySet()).anyTimes(); |
| |
| replay(provider); |
| |
| PredicateHelper.visit(PREDICATE_1, visitor); |
| |
| List<Predicate> simplifiedPredicates = visitor.getSimplifiedPredicates(); |
| |
| Assert.assertEquals(1, simplifiedPredicates.size()); |
| Assert.assertEquals(PREDICATE_1, simplifiedPredicates.get(0)); |
| Set<String> setProps = propertiesCapture.getValue(); |
| assertEquals(1, setProps.size()); |
| assertEquals(PROPERTY_A, setProps.iterator().next()); |
| // --- |
| PredicateHelper.visit(PREDICATE_3, visitor); |
| |
| simplifiedPredicates = visitor.getSimplifiedPredicates(); |
| |
| Assert.assertEquals(1, simplifiedPredicates.size()); |
| Assert.assertEquals(PREDICATE_3, simplifiedPredicates.get(0)); |
| |
| // --- |
| PredicateHelper.visit(PREDICATE_4, visitor); |
| |
| simplifiedPredicates = visitor.getSimplifiedPredicates(); |
| |
| Assert.assertEquals(2, simplifiedPredicates.size()); |
| Assert.assertEquals(PREDICATE_1, simplifiedPredicates.get(0)); |
| Assert.assertEquals(PREDICATE_2, simplifiedPredicates.get(1)); |
| |
| // --- |
| PredicateHelper.visit(PREDICATE_6, 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)); |
| |
| // --- |
| PredicateHelper.visit(PREDICATE_8, 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)); |
| |
| // --- |
| PredicateHelper.visit(PREDICATE_9, visitor); |
| |
| simplifiedPredicates = visitor.getSimplifiedPredicates(); |
| |
| Assert.assertEquals(4, simplifiedPredicates.size()); |
| // Assert.assertEquals(???, simplifiedPredicates.get(0)); |
| |
| // --- |
| PredicateHelper.visit(PREDICATE_11, visitor); |
| |
| simplifiedPredicates = visitor.getSimplifiedPredicates(); |
| |
| Assert.assertEquals(4, simplifiedPredicates.size()); |
| // Assert.assertEquals(???, simplifiedPredicates.get(0)); |
| |
| // --- |
| PredicateHelper.visit(PREDICATE_16, visitor); |
| |
| simplifiedPredicates = visitor.getSimplifiedPredicates(); |
| |
| Assert.assertEquals(1, simplifiedPredicates.size()); |
| Assert.assertEquals(PREDICATE_16, simplifiedPredicates.get(0)); |
| |
| //reset assertions. For property D, indicate that it is not supported. |
| verify(provider); |
| reset(provider); |
| expect(provider.checkPropertyIds(capture(propertiesCapture))).andReturn(Collections.<String>emptySet()); |
| expect(provider.checkPropertyIds(capture(propertiesCapture))).andReturn(Collections.<String>singleton(PROPERTY_D)); |
| replay(provider); |
| |
| // --- |
| PredicateHelper.visit(PREDICATE_13, visitor); |
| |
| simplifiedPredicates = visitor.getSimplifiedPredicates(); |
| |
| Assert.assertEquals(1, simplifiedPredicates.size()); |
| Assert.assertEquals(PREDICATE_1, simplifiedPredicates.get(0)); |
| |
| verify(provider); |
| reset(provider); |
| expect(provider.checkPropertyIds(capture(propertiesCapture))).andReturn(Collections.<String>emptySet()).anyTimes(); |
| replay(provider); |
| |
| // --- |
| PredicateHelper.visit(PREDICATE_15, visitor); |
| |
| simplifiedPredicates = visitor.getSimplifiedPredicates(); |
| |
| Assert.assertEquals(1, simplifiedPredicates.size()); |
| Assert.assertEquals(PREDICATE_1, simplifiedPredicates.get(0)); |
| |
| verify(provider); |
| } |
| } |