tests/org.simantics.db.tests/src/org/simantics/db/tests/api/request/exception/AsyncProcedureExecuteThrows.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.db.tests.api.request.exception;
  13
  14 import org.junit.Test;
  15 import org.simantics.db.AsyncReadGraph;
  16 import org.simantics.db.AsyncRequestProcessor;
  17 import org.simantics.db.ReadGraph;
  18 import org.simantics.db.RequestProcessor;
  19 import org.simantics.db.Resource;
  20 import org.simantics.db.Session;
  21 import org.simantics.db.common.request.AsyncReadRequest;
  22 import org.simantics.db.common.request.ReadRequest;
  23 import org.simantics.db.common.request.ResourceAsyncRead;
  24 import org.simantics.db.common.request.ResourceRead;
  25 import org.simantics.db.exception.DatabaseException;
  26 import org.simantics.db.procedure.AsyncProcedure;
  27 import org.simantics.db.request.AsyncRead;
  28 import org.simantics.db.request.Read;
  29 import org.simantics.db.testing.annotation.Fails;
  30 import org.simantics.db.testing.base.ExistingDatabaseTest;
  31
  32 public class AsyncProcedureExecuteThrows extends ExistingDatabaseTest {
  33
  34         final RuntimeException exception = new RuntimeException();
  35
  36         private Read<Resource> syncRead(Resource r) {
  37                 return new ResourceRead<Resource>(r) {
  38
  39                         @Override
  40                         public Resource perform(ReadGraph graph) throws DatabaseException {
  41                                 return graph.getPossibleObject(resource, L0.InstanceOf);
  42                         }
  43
  44                 };
  45         }
  46
  47         private AsyncRead<Resource> asyncRead(Resource r) {
  48                 return new ResourceAsyncRead<Resource>(r) {
  49
  50                         @Override
  51                         public void perform(AsyncReadGraph graph,AsyncProcedure<Resource> procedure) {
  52                                 graph.forPossibleObject(resource, L0.InstanceOf, procedure);
  53                         }
  54
  55                 };
  56         }
  57
  58         private AsyncProcedure<Resource> procedure() {
  59                 return new AsyncProcedure<Resource>() {
  60
  61                         @Override
  62                         public void execute(AsyncReadGraph graph, Resource result) {
  63                                 throw exception;
  64                         }
  65
  66                         @Override
  67                         public void exception(AsyncReadGraph graph, Throwable throwable) {
  68                                 throw new RuntimeException();
  69                         }
  70
  71                 };
  72         }
  73
  74         public void syncSync(RequestProcessor processor) {
  75
  76                 try {
  77
  78                         processor.syncRequest(syncRead(L0.Library), procedure());
  79                         fail("No exception was thrown.");
  80
  81                 } catch (DatabaseException e) {
  82
  83                         if(e.getCause() != exception) fail("Wrong exception was thrown.");
  84
  85                 }
  86
  87         }
  88
  89         public void syncAsync(RequestProcessor processor) {
  90
  91                 try {
  92
  93                         processor.syncRequest(asyncRead(L0.Library), procedure());
  94                         fail("No exception was thrown.");
  95
  96                 } catch (DatabaseException e) {
  97
  98                         if(e.getCause() != exception) fail("Wrong exception was thrown.");
  99
 100                 }
 101
 102         }
 103
 104         public void asyncSync(AsyncRequestProcessor processor) {
 105
 106                 processor.asyncRequest(syncRead(L0.Library), procedure());
 107
 108         }
 109
 110         public void asyncAsync(AsyncRequestProcessor processor) {
 111
 112                 processor.asyncRequest(asyncRead(L0.Library), procedure());
 113
 114         }
 115
 116         @Test
 117         @Fails
 118         public void test() throws Exception {
 119
 120                 Session session = getSession();
 121
 122                 try {
 123
 124                         session.syncRequest(new AsyncReadRequest() {
 125
 126                                 @Override
 127                                 public void run(AsyncReadGraph graph) {
 128                                         asyncSync(graph);
 129                                 }
 130
 131                         });
 132                         fail("No exception was thrown.");
 133
 134                 } catch (DatabaseException e) {
 135
 136                         if(e.getCause() != exception) fail("Wrong exception was thrown.");
 137
 138                 }
 139
 140                 try {
 141
 142                         session.syncRequest(new AsyncReadRequest() {
 143
 144                                 @Override
 145                                 public void run(AsyncReadGraph graph) {
 146                                         asyncAsync(graph);
 147                                 }
 148
 149                         });
 150                         fail("No exception was thrown.");
 151
 152                 } catch (DatabaseException e) {
 153
 154                         if(e.getCause() != exception) fail("Wrong exception was thrown.");
 155
 156                 }
 157
 158                 session.syncRequest(new ReadRequest() {
 159
 160                         @Override
 161                         public void run(ReadGraph graph) throws DatabaseException {
 162                                 syncSync(graph);
 163                                 syncAsync(graph);
 164                         }
 165
 166                 });
 167
 168                 syncSync(session);
 169                 syncAsync(session);
 170
 171         }
 172
 173 }