wamblee.org Git - xmlrouter/blob - impl/src/test/java/org/wamblee/xmlrouter/impl/XMLRouterTest.java

   1 /*
   2  * Copyright 2005-2011 the original author or authors.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.wamblee.xmlrouter.impl;
  17
  18 import static org.mockito.Matchers.*;
  19 import static org.mockito.Mockito.*;
  20
  21 import java.util.Arrays;
  22 import java.util.Collection;
  23 import java.util.concurrent.atomic.AtomicLong;
  24 import java.util.logging.Level;
  25
  26 import javax.xml.transform.dom.DOMSource;
  27
  28 import org.junit.Before;
  29 import org.junit.Test;
  30 import org.wamblee.general.SystemClock;
  31 import org.wamblee.xmlrouter.common.Id;
  32 import org.wamblee.xmlrouter.config.DocumentType;
  33 import org.wamblee.xmlrouter.config.Filter;
  34 import org.wamblee.xmlrouter.config.Transformation;
  35 import org.wamblee.xmlrouter.listener.EventInfo;
  36 import org.wamblee.xmlrouter.listener.EventListener;
  37 import org.wamblee.xmlrouter.listener.LoggingEventListener;
  38 import org.wamblee.xmlrouter.subscribe.Destination;
  39
  40 public class XMLRouterTest {
  41
  42     public static class MyDestination implements Destination {
  43
  44         private boolean receiveResult;
  45         private Collection<String> types;
  46
  47         public MyDestination(boolean aReceiveResult, Collection<String> aTypes) {
  48             receiveResult = aReceiveResult;
  49             types = aTypes;
  50         }
  51
  52         @Override
  53         public Collection<String> chooseFromTargetTypes(
  54             Collection<String> aPossibleTargetTypes) {
  55             return types;
  56         }
  57
  58         @Override
  59         public String getName() {
  60             return "xxx";
  61         }
  62
  63         @Override
  64         public boolean receive(DOMSource aEvent) {
  65             return receiveResult;
  66         }
  67     }
  68
  69     private ExtendedRouterConfig routerConfig;
  70     private XMLRouterConfiguration config;
  71     private XMLRouter router;
  72     private DOMSource source1;
  73     private DOMSource source2;
  74     private DOMSource source3;
  75
  76     private Destination destinationSpy;
  77     private Id<Destination> destinationId;
  78     private EventListener listener;
  79
  80     @Before
  81     public void setUp() {
  82         routerConfig = new SingleRouterConfig(new AtomicLong(1L));
  83         config = new XMLRouterConfigurationImpl(routerConfig,
  84             new TransformationPaths());
  85         EventListener logListener = new LoggingEventListener(Level.INFO);
  86         listener = spy(logListener);
  87         router = new XMLRouter(new SystemClock(), config, listener);
  88         source1 = mock(DOMSource.class);
  89         source2 = mock(DOMSource.class);
  90         source3 = mock(DOMSource.class);
  91     }
  92
  93     @Test
  94     public void testNoInputDocumentsRegistered() {
  95         Destination destination = new MyDestination(true, Arrays.asList("any"));
  96         destinationSpy = spy(destination);
  97
  98         destinationId = router.registerDestination(destinationSpy);
  99         router.publish("any", source1);
 100         verify(listener).notDelivered(any(EventInfo.class));
 101     }
 102
 103     @Test
 104     public void testMisBehavingDocumentType() {
 105         DocumentType type = mock(DocumentType.class);
 106         doThrow(new RuntimeException("x")).when(type).isInstance(
 107             any(DOMSource.class));
 108         routerConfig.documentTypeConfig().add(type);
 109         router.publish("xx", mock(DOMSource.class));
 110         verify(listener).notDelivered(any(EventInfo.class));
 111         // no exception should occur.
 112     }
 113
 114     @Test
 115     public void testMisBehavingFilter() {
 116         registerDocumentType("any");
 117         Filter filter = mock(Filter.class);
 118         doThrow(new RuntimeException("x")).when(filter).isAllowed(anyString(),
 119             any(DOMSource.class));
 120         routerConfig.filterConfig().add(filter);
 121         router.publish("xx", mock(DOMSource.class));
 122         verify(listener).notDelivered(any(EventInfo.class));
 123         // no exception should occur.
 124     }
 125
 126     @Test
 127     public void testOneDestinationNoTransformationSuccess() {
 128         destinationSpy = registerDestination(true, "any");
 129         registerDocumentType("any");
 130
 131         router.publish("any", source1);
 132         verify(listener).delivered(any(EventInfo.class),
 133             anyListOf(Transformation.class), anyLong(), anyString(), eq(true));
 134         verify(destinationSpy).receive(same(source1));
 135
 136         // Unregister the destination.
 137         router.unregisterDestination(destinationId);
 138         resetMocks();
 139         router.publish("any", source2);
 140         verify(listener).notDelivered(any(EventInfo.class));
 141         verifyNoMoreInteractions(destinationSpy);
 142     }
 143
 144     private void resetMocks() {
 145         reset(destinationSpy);
 146         reset(listener);
 147     }
 148
 149     private void registerDocumentType(String aType) {
 150         DocumentType type = mock(DocumentType.class);
 151         when(type.isInstance(any(DOMSource.class))).thenReturn(true);
 152         when(type.getName()).thenReturn(aType);
 153         Id<DocumentType> typeId = routerConfig.documentTypeConfig().add(type);
 154     }
 155
 156     private void registerDocumentType(String aType, DOMSource aSource) {
 157         DocumentType type = mock(DocumentType.class);
 158         when(type.isInstance(same(aSource))).thenReturn(true);
 159         when(type.getName()).thenReturn(aType);
 160         Id<DocumentType> typeId = routerConfig.documentTypeConfig().add(type);
 161     }
 162
 163     private Destination registerDestination(boolean aResult, String... types) {
 164         Destination destination = new MyDestination(aResult,
 165             Arrays.asList(types));
 166         Destination myspy = spy(destination);
 167         destinationId = router.registerDestination(myspy);
 168         return myspy;
 169     }
 170
 171     @Test
 172     public void testOneDestinationNotMatches() {
 173         destinationSpy = registerDestination(true);
 174         registerDocumentType("any");
 175
 176         router.publish("any", source1);
 177         verify(listener).notDelivered(any(EventInfo.class));
 178         verify(destinationSpy, never()).receive(any(DOMSource.class));
 179     }
 180
 181     @Test
 182     public void testOneDestinationThrowsException() {
 183         destinationSpy = registerDestination(true, "any");
 184         registerDocumentType("any");
 185
 186         doThrow(new RuntimeException()).when(destinationSpy).receive(
 187             any(DOMSource.class));
 188
 189         router.publish("any", source1);
 190         verify(listener).notDelivered(any(EventInfo.class));
 191         verify(destinationSpy).receive(same(source1));
 192     }
 193
 194     @Test
 195     public void testOneDestinationThrowsExceptionSecondDestinationStillHandled() {
 196         testOneDestinationThrowsException();
 197         Destination destination2 = new MyDestination(true, Arrays.asList("any"));
 198         Destination destinationSpy2 = spy(destination2);
 199         Id<Destination> destinationId2 = router
 200             .registerDestination(destinationSpy2);
 201
 202         router.publish("any", source1);
 203         verify(listener).delivered(any(EventInfo.class),
 204             anyListOf(Transformation.class), anyLong(), anyString(), eq(true));
 205
 206         verify(destinationSpy2).receive(same(source1));
 207
 208     }
 209
 210     @Test
 211     public void testDestinationChooseFromTargetTypesThrowsException() {
 212         destinationSpy = registerDestination(true, "any");
 213         registerDocumentType("any");
 214
 215         doThrow(new RuntimeException()).when(destinationSpy)
 216             .chooseFromTargetTypes((Collection<String>) anyObject());
 217
 218         router.publish("any", source1);
 219         verify(listener).notDelivered(any(EventInfo.class));
 220         verify(destinationSpy, never()).receive(same(source1));
 221     }
 222
 223     @Test
 224     public void testDestinationChooseFromTargetTypesThrowsExceptionSecondDestinationStillOk() {
 225         testDestinationChooseFromTargetTypesThrowsException();
 226
 227         Destination destination2 = new MyDestination(true, Arrays.asList("any"));
 228         Destination destinationSpy2 = spy(destination2);
 229         Id<Destination> destinationId2 = router
 230             .registerDestination(destinationSpy2);
 231         router.publish("any", source1);
 232         verify(listener).delivered(any(EventInfo.class),
 233             anyListOf(Transformation.class), anyLong(), anyString(), eq(true));
 234
 235         verify(destinationSpy, never()).receive(same(source1));
 236         verify(destinationSpy2).receive(same(source1));
 237     }
 238
 239     @Test
 240     public void testDestinationChooseFromTargetTypesReturnsNull() {
 241         destinationSpy = registerDestination(true, "any");
 242         registerDocumentType("any");
 243
 244         when(
 245             destinationSpy
 246                 .chooseFromTargetTypes((Collection<String>) anyObject()))
 247             .thenReturn(null);
 248
 249         router.publish("any", source1);
 250         verify(listener).notDelivered(any(EventInfo.class));
 251         verify(destinationSpy, never()).receive(same(source1));
 252     }
 253
 254     @Test
 255     public void testDestinationChooseFromTargetTypesReturnsNullSecondDestinationStillOk() {
 256         testDestinationChooseFromTargetTypesReturnsNull();
 257
 258         Destination destination2 = new MyDestination(true, Arrays.asList("any"));
 259         Destination destinationSpy2 = spy(destination2);
 260         Id<Destination> destinationId2 = router
 261             .registerDestination(destinationSpy2);
 262         router.publish("any", source1);
 263         verify(listener).delivered(any(EventInfo.class),
 264             anyListOf(Transformation.class), anyLong(), anyString(), eq(true));
 265
 266         verify(destinationSpy, never()).receive(same(source1));
 267         verify(destinationSpy2).receive(same(source1));
 268     }
 269
 270     @Test
 271     public void testOneTransformationOneDestination() {
 272         registerDocumentType("any");
 273         Transformation transformation = mock(Transformation.class);
 274         when(transformation.getName()).thenReturn("trans");
 275         when(transformation.getFromType()).thenReturn("any");
 276         when(transformation.getToType()).thenReturn("bla");
 277         when(transformation.transform(same(source1))).thenReturn(source2);
 278         routerConfig.transformationConfig().add(transformation);
 279
 280         Destination destination = mock(Destination.class);
 281         when(
 282             destination.chooseFromTargetTypes((Collection<String>) anyObject()))
 283             .thenReturn(Arrays.asList("bla"));
 284
 285         router.registerDestination(destination);
 286
 287         when(destination.receive(any(DOMSource.class))).thenReturn(true);
 288         router.publish("bla", source1);
 289         verify(listener).delivered(any(EventInfo.class),
 290             anyListOf(Transformation.class), anyLong(), anyString(), eq(true));
 291
 292         verify(transformation).transform(source1);
 293         verify(destination).receive(same(source2));
 294
 295         // now the same when the destination rejects the event.
 296         when(destination.receive(any(DOMSource.class))).thenReturn(false);
 297         router.publish("bla", source1);
 298         verify(listener).notDelivered(any(EventInfo.class));
 299     }
 300
 301     @Test
 302     public void testMisbehavingTransformationOneDestination() {
 303         registerDocumentType("any");
 304         Transformation transformation = mock(Transformation.class);
 305         when(transformation.getName()).thenReturn("trans");
 306         when(transformation.getFromType()).thenReturn("any");
 307         when(transformation.getToType()).thenReturn("bla");
 308         doThrow(new RuntimeException("x")).when(transformation).transform(
 309             same(source1));
 310         routerConfig.transformationConfig().add(transformation);
 311
 312         Destination destination = mock(Destination.class);
 313         when(
 314             destination.chooseFromTargetTypes((Collection<String>) anyObject()))
 315             .thenReturn(Arrays.asList("bla"));
 316
 317         router.registerDestination(destination);
 318
 319         when(destination.receive(any(DOMSource.class))).thenReturn(true);
 320         router.publish("bla", source1);
 321         verify(listener).notDelivered(any(EventInfo.class));
 322     }
 323
 324     private Transformation createTransformation(String aFrom, String aTo,
 325         DOMSource aSource, DOMSource aTarget) {
 326         Transformation transformation = mock(Transformation.class);
 327         when(transformation.getName()).thenReturn("trans");
 328         when(transformation.getFromType()).thenReturn(aFrom);
 329         when(transformation.getToType()).thenReturn(aTo);
 330         when(transformation.transform(same(aSource))).thenReturn(aTarget);
 331         return transformation;
 332     }
 333
 334     @Test
 335     public void testOneTransformationReturnsNull() {
 336         registerDocumentType("any");
 337         Transformation transformation = createTransformation("any", "bla",
 338             source1, null);
 339
 340         routerConfig.transformationConfig().add(transformation);
 341
 342         Destination destination = mock(Destination.class);
 343         when(
 344             destination.chooseFromTargetTypes((Collection<String>) anyObject()))
 345             .thenReturn(Arrays.asList("bla"));
 346         router.registerDestination(destination);
 347
 348         router.publish("bla", source1);
 349         verify(listener).notDelivered(any(EventInfo.class));
 350
 351         verify(transformation).transform(source1);
 352         verify(destination, never()).receive(any(DOMSource.class));
 353
 354         // add second transformation that behaves normally
 355         Transformation transformation2 = createTransformation("any", "bla2",
 356             source1, source2);
 357
 358         routerConfig.transformationConfig().add(transformation2);
 359         when(
 360             destination.chooseFromTargetTypes((Collection<String>) anyObject()))
 361             .thenReturn(Arrays.asList("bla", "bla2"));
 362
 363         reset(transformation);
 364         when(transformation.getName()).thenReturn("trans");
 365         when(transformation.getFromType()).thenReturn("any");
 366         when(transformation.getToType()).thenReturn("bla");
 367         when(transformation.transform(same(source1))).thenReturn(null);
 368
 369         when(destination.receive(any(DOMSource.class))).thenReturn(true);
 370         router.publish("bla", source1);
 371         verify(listener).delivered(any(EventInfo.class),
 372             anyListOf(Transformation.class), anyLong(), anyString(), eq(true));
 373
 374         verify(transformation).transform(source1);
 375         verify(transformation2).transform(source1);
 376
 377         verify(destination).receive(same(source2));
 378
 379     }
 380
 381     @Test
 382     public void testChooseMultipleDestinationsOneType() {
 383         Destination dest1 = registerDestination(true, "any");
 384         Destination dest2 = registerDestination(true, "any");
 385         registerDocumentType("any");
 386
 387         router.publish("source", source1);
 388         verify(listener, times(2)).delivered(any(EventInfo.class),
 389             anyListOf(Transformation.class), anyLong(), anyString(), eq(true));
 390
 391         verify(dest1).receive(same(source1));
 392         verify(dest2).receive(same(source1));
 393     }
 394
 395     @Test
 396     public void testMultipleDeliveryToOneDestination() {
 397         Destination dest = registerDestination(true, "any", "other");
 398         registerDocumentType("any", source1);
 399         registerDocumentType("other", source2);
 400         Transformation transformation = createTransformation("any", "other",
 401             source1, source2);
 402         routerConfig.transformationConfig().add(transformation);
 403
 404         router.publish("source", source1);
 405         verify(listener, times(2)).delivered(any(EventInfo.class),
 406             anyListOf(Transformation.class), anyLong(), anyString(), eq(true));
 407
 408         verify(dest).receive(same(source1));
 409         verify(dest).receive(same(source2));
 410     }
 411
 412     @Test
 413     public void testMultipleTransformations() {
 414         Destination dest = registerDestination(true, "other");
 415         registerDocumentType("any", source1);
 416         registerDocumentType("other", source3);
 417
 418         Transformation t1 = createTransformation("any", "intermediate",
 419             source1, source2);
 420         routerConfig.transformationConfig().add(t1);
 421         Transformation t2 = createTransformation("intermediate", "other",
 422             source2, source3);
 423         routerConfig.transformationConfig().add(t2);
 424
 425         router.publish("source", source1);
 426         verify(listener).delivered(any(EventInfo.class),
 427             anyListOf(Transformation.class), anyLong(), anyString(), eq(true));
 428
 429         verify(dest).receive(same(source3));
 430     }
 431
 432     @Test
 433     public void testDestinationGivesError() {
 434         Destination destination = mock(Destination.class);
 435         when(destination.getName()).thenReturn("name");
 436         when(destination.chooseFromTargetTypes(anyCollectionOf(String.class)))
 437             .thenReturn(Arrays.asList("any"));
 438         doThrow(new RuntimeException("x")).when(destination).receive(
 439             any(DOMSource.class));
 440         router.registerDestination(destination);
 441
 442         registerDocumentType("any");
 443
 444         router.publish("source", source1);
 445
 446         verify(listener).delivered(any(EventInfo.class),
 447             anyListOf(Transformation.class), anyLong(), anyString(), eq(false));
 448
 449     }
 450 }