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

[simantics/platform.git] / tests / org.simantics.db.tests / src / org / simantics / db / tests / client / TransactionTest2.java

diff --git a/tests/org.simantics.db.tests/src/org/simantics/db/tests/client/TransactionTest2.java b/tests/org.simantics.db.tests/src/org/simantics/db/tests/client/TransactionTest2.java
new file mode 100644 (file)
index 0000000..bd416d5
--- /dev/null
+++ b/tests/org.simantics.db.tests/src/org/simantics/db/tests/client/TransactionTest2.java
@@ -0,0 +1,124 @@
+/*******************************************************************************
+ * 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.client;
+
+import org.junit.Test;
+import org.simantics.databoard.Bindings;
+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.common.request.WriteResultRequest;
+import org.simantics.db.exception.CancelTransactionException;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.exception.ValidationException;
+import org.simantics.db.service.SerialisationSupport;
+import org.simantics.db.testing.base.ExistingDatabaseTest;
+import org.simantics.layer0.Layer0;
+
+public class TransactionTest2 extends ExistingDatabaseTest {
+       @Test
+    public void testTransaction2()
+    throws DatabaseException {
+        cancelTest1();
+    }
+    void cancelTest1() throws DatabaseException {
+        TransactionClientCancel client = new TransactionClientCancel(this);
+        TransactionClientCancel client2 = new TransactionClientCancel(this);
+        TransactionClientCancel client3 = null;
+        try {
+            Resource r = client.createResource();
+            client.validateResource(r);
+            client.modifyAndCancel(r);
+            client.validateResource(r);
+            long rid = client.serializeResource(r);
+            Resource r2 = client2.deserializeResource(rid);
+            client2.validateResource(r2);
+            client3 = new TransactionClientCancel(this);
+            Resource r3 = client3.deserializeResource(rid);
+            client3.validateResource(r3);
+        } finally {
+            if (null != client)
+                client.close();
+            if (null != client2)
+                client2.close();
+            if (null != client3)
+                client3.close();
+        }
+    }
+}
+
+class TransactionClientCancel extends TransctionCommon {
+    private final String message = "Transaction was cancelled.";
+    private final String value = "value";
+    private final String newValue = "new value";
+    TransactionClientCancel(ExistingDatabaseTest testCommon)
+    throws DatabaseException {
+        super(testCommon);
+    }
+    long serializeResource(Resource r)
+    throws DatabaseException {
+        SerialisationSupport ss = session.getService(SerialisationSupport.class);
+        return ss.getRandomAccessId(r);
+    }
+    Resource deserializeResource(long rid)
+    throws DatabaseException {
+        SerialisationSupport ss = session.getService(SerialisationSupport.class);
+        return ss.getResource(rid);
+    }
+    public Resource createResource()
+    throws DatabaseException {
+        return session.syncRequest(new WriteResultRequest<Resource>() {
+            @Override
+            public Resource perform(WriteGraph g) throws DatabaseException {
+                Layer0 b = Layer0.getInstance(g);
+                Resource r = g.newResource();
+                g.claim(r, b.InstanceOf, b.Entity);
+                g.claimValue(r, value);
+                return r;
+            }
+        });
+    }
+    public void modifyAndCancel(final Resource r)
+    throws DatabaseException {
+        try {
+            session.syncRequest(new WriteRequest() {
+                @Override
+                public void perform(WriteGraph g) throws DatabaseException {
+                    g.claimValue(r, newValue);
+                    String t = g.getValue(r, Bindings.STRING);
+                    if (!t.equals(newValue))
+                        throw new ValidationException("Failed to modify value.");
+                    g.flushCluster(r);
+                    throw new CancelTransactionException(message);
+                }
+            });
+        } catch (CancelTransactionException e) {
+            if (e.getMessage().equals(message))
+                return;
+        }
+    }
+    public void validateResource(final Resource r)
+    throws DatabaseException {
+        session.syncRequest(new ReadRequest() {
+            @Override
+            public void run(ReadGraph g) throws DatabaseException {
+                if (!g.hasStatement(r))
+                    throw new ValidationException("Failed to verify modifications (stm).");
+                String t = g.getValue(r, Bindings.STRING);
+                if (!t.equals(value))
+                    throw new ValidationException("Failed to verify modifications (val).");
+            }
+        });
+    }
+}