Added missing org.simantics.db.{tests,testing} plug-ins.

[simantics/platform.git] / tests / org.simantics.db.tests / src / org / simantics / db / tests / api / write / request / WriteCancelTest2.java

diff --git a/tests/org.simantics.db.tests/src/org/simantics/db/tests/api/write/request/WriteCancelTest2.java b/tests/org.simantics.db.tests/src/org/simantics/db/tests/api/write/request/WriteCancelTest2.java
new file mode 100644 (file)
index 0000000..d81358e
--- /dev/null
+++ b/tests/org.simantics.db.tests/src/org/simantics/db/tests/api/write/request/WriteCancelTest2.java
@@ -0,0 +1,95 @@
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.db.tests.api.write.request;
+
+import org.junit.Test;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.common.request.ReadRequest;
+import org.simantics.db.common.request.WriteRequest;
+import org.simantics.db.exception.CancelTransactionException;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.service.TransactionSupport;
+import org.simantics.db.testing.base.ExistingDatabaseTest;
+import org.simantics.layer0.Layer0;
+
+/**
+ * Checks that asynchronous read requests work correctly with canceled writes
+ * 
+ * @author Antti Villberg
+ */
+public class WriteCancelTest2 extends ExistingDatabaseTest {
+
+    private static final int SIZE = 10000;
+
+    Resource[] written = new Resource[SIZE];
+
+       @Test
+    public void testWriteCancel2() throws DatabaseException{
+
+        // First create a set of resources for testing
+        try {
+
+            getSession().syncRequest(new WriteRequest() {
+                @Override
+                public void perform(WriteGraph graph) throws DatabaseException {
+                    if (DEBUG)
+                        System.err.println("a");
+                    for(int i=0;i<SIZE;i++) written[i] = graph.newResource();
+                    if (DEBUG)
+                        System.err.println("a2");
+                }
+            });
+            
+        } catch (DatabaseException e) {
+            if (DEBUG)
+                e.printStackTrace();
+        }
+
+        // Make a decent amount of modifications and cancel them
+        getSession().asyncRequest(new WriteRequest() {
+            @Override
+            public void perform(WriteGraph graph) throws DatabaseException {
+                Layer0 L0 = Layer0.getInstance(graph);
+                if (DEBUG)
+                    System.err.println("b");
+                for(int i=0;i<SIZE;i++) graph.claim(written[i], L0.IsComposedOf, graph.newResource());
+                if (DEBUG)
+                    System.err.println("b2");
+                throw new CancelTransactionException("Intentional write request cancellation");
+            }
+        });
+        
+        // Ensure that the previously written data does not exist.
+        getSession().asyncRequest(new ReadRequest() {
+            @Override
+            public void run(ReadGraph graph) throws DatabaseException {
+
+                Layer0 L0 = Layer0.getInstance(graph);
+                if (DEBUG)
+                    System.err.println("c");
+                for(int i=0;i<SIZE;i++)
+                    assertTrue(!graph.hasStatement(written[i], L0.IsComposedOf));
+                if (DEBUG)
+                    System.err.println("c2");
+
+            }
+        });
+
+        // Do not let the test die before asynchronous requests have finished
+        TransactionSupport support = getSession().getService(TransactionSupport.class);
+        support.waitCompletion();
+        
+    }
+
+}