2  * ============LICENSE_START=======================================================
 
   4  * ================================================================================
 
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights
 
   7  * ================================================================================
 
   8  * Licensed under the Apache License, Version 2.0 (the "License");
 
   9  * you may not use this file except in compliance with the License.
 
  10  * You may obtain a copy of the License at
 
  12  *      http://www.apache.org/licenses/LICENSE-2.0
 
  14  * Unless required by applicable law or agreed to in writing, software
 
  15  * distributed under the License is distributed on an "AS IS" BASIS,
 
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 
  17  * See the License for the specific language governing permissions and
 
  18  * limitations under the License.
 
  19  * ============LICENSE_END=========================================================
 
  22 package org.openecomp.appc.rankingframework;
 
  24 import java.util.Arrays;
 
  25 import java.util.Collection;
 
  26 import java.util.HashMap;
 
  27 import java.util.List;
 
  30 import org.junit.Assert;
 
  31 import org.junit.Test;
 
  32 import org.openecomp.appc.rankingframework.AbstractRankedAttributesResolverFactory;
 
  33 import org.openecomp.appc.rankingframework.ConfigurationEntry;
 
  34 import org.openecomp.appc.rankingframework.ConfigurationSet;
 
  35 import org.openecomp.appc.rankingframework.RankedAttributesContext;
 
  36 import org.openecomp.appc.rankingframework.RankedAttributesResolver;
 
  38 public class  TestRankingFramework {
 
  40     private static final String COUNTRY = "COUNTRY";
 
  41     private static final String STATE = "STATE";
 
  42     private static final String CITY = "CITY";
 
  44     private static final List<String> NAMES = Arrays.asList(COUNTRY, STATE, CITY);
 
  46     private static final String PACIFIC = "Pacific";
 
  47     private static final String ATLANTIC = "Atlantic";
 
  48     private static final String ARCTIC = "Arctic";
 
  49     private static final String NA = "N/A";
 
  51     private static ConfigurationEntry<String> entry(String [] attributes, String result) {
 
  52         if (attributes == null || attributes.length != NAMES.size()) {
 
  53             throw new IllegalArgumentException();
 
  56         Map<String, String> map = new HashMap<>(attributes.length);
 
  57         for (int i = 0; i < attributes.length; i++) {
 
  58             map.put(NAMES.get(i), attributes[i]);
 
  61         return new ConfigurationEntryImpl(map, result);
 
  64     private static ConfigurationSet<String> config(ConfigurationEntry<String> ... entries) {
 
  65         return new ConfigurationSetImpl(Arrays.asList(entries), NAMES);
 
  68     private static RankedAttributesContext context(String ... attributes) {
 
  69         if (attributes == null || attributes.length != NAMES.size()) {
 
  70             throw new IllegalArgumentException();
 
  73         Map<String, String> map = new HashMap<>(attributes.length);
 
  74         for (int i = 0; i < attributes.length; i++) {
 
  75             map.put(NAMES.get(i), attributes[i]);
 
  78         return new Context(map);
 
  81     private static class ConfigurationSetImpl implements ConfigurationSet<String> {
 
  83         private final Collection<ConfigurationEntry<String>> entries;
 
  84         private final Collection<String> names;
 
  86         ConfigurationSetImpl(Collection<ConfigurationEntry<String>> entries, Collection<String> names) {
 
  87             this.entries = entries;
 
  92         public Iterable<ConfigurationEntry<String>> getEntries() {
 
  97         public Collection<String> getRankedAttributeNames() {
 
 102     private static class ConfigurationEntryImpl implements ConfigurationEntry<String> {
 
 104         private final Map<String, String> attributes;
 
 105         private final String result;
 
 107         ConfigurationEntryImpl(Map<String, String> attributes, String result) {
 
 108             this.attributes = attributes;
 
 109             this.result = result;
 
 113         public Object getAttributeValue(String name) {
 
 114             return attributes.get(name);
 
 118         public String getResult() {
 
 123     private static class Context implements RankedAttributesContext {
 
 125         private final Map<String, String> map;
 
 127         Context(Map<String, String> map) {
 
 132         public Object getAttributeValue(String name) {
 
 133             return map.get(name);
 
 137     private static ConfigurationSet<String> testData() {
 
 138         @SuppressWarnings("unchecked")
 
 139         ConfigurationSet<String> config = config(
 
 140                 entry(new String [] {"US", "CA", "SFO"}, PACIFIC),
 
 141                 entry(new String [] {"US", "CA", "LA"}, PACIFIC),
 
 142                 entry(new String [] {"US", "FL", "MIAMI"}, ATLANTIC),
 
 143                 entry(new String [] {"US", "AK", "Barrow"}, ARCTIC),
 
 144                 entry(new String [] {"US", "AK", "*"}, PACIFIC),
 
 145                 entry(new String [] {"US", "*", "Houston"}, ATLANTIC),
 
 146                 entry(new String [] {"US", "*", "*"}, NA)
 
 152     private static RankedAttributesResolver<String> resolver(ConfigurationSet<String> config) {
 
 153         return AbstractRankedAttributesResolverFactory.getInstance().create(config);
 
 157     public void testExactMatch() {
 
 159         ConfigurationSet<String> config = testData();
 
 161         RankedAttributesResolver<String> resolver = resolver(config) ;
 
 163         RankedAttributesContext context = context("US", "CA", "SFO");
 
 165         String result = resolver.resolve(context);
 
 167         Assert.assertEquals(PACIFIC, result);
 
 171     public void testDefaultMatchPartial() {
 
 173         ConfigurationSet<String> config = testData();
 
 175         RankedAttributesResolver<String> resolver = resolver(config) ;
 
 177         RankedAttributesContext context = context("US", "AK", "Anchorage");
 
 179         String result = resolver.resolve(context);
 
 181         Assert.assertEquals(PACIFIC, result);
 
 185     public void testDefaultMatchFull() {
 
 187         ConfigurationSet<String> config = testData();
 
 189         RankedAttributesResolver<String> resolver = resolver(config) ;
 
 191         RankedAttributesContext context = context("US", "IL", "Chicago");
 
 193         String result = resolver.resolve(context);
 
 195         Assert.assertEquals(NA, result);
 
 199     public void testDefaultMatchInTheMiddle() {
 
 201         ConfigurationSet<String> config = testData();
 
 203         RankedAttributesResolver<String> resolver = resolver(config) ;
 
 205         RankedAttributesContext context = context("US", "TX", "Houston");
 
 207         String result = resolver.resolve(context);
 
 209         Assert.assertEquals(ATLANTIC, result);
 
 213     public void testBacktrace() {
 
 215         ConfigurationSet<String> config = testData();
 
 217         RankedAttributesResolver<String> resolver = resolver(config) ;
 
 219         RankedAttributesContext context = context("US", "CA", "SJC");
 
 221         String result = resolver.resolve(context);
 
 223         Assert.assertEquals(NA, result);