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

[simantics/platform.git] / tests / org.simantics.db.tests / src / org / simantics / db / tests / api / request / misc / AsyncTransactionTest.java

diff --git a/tests/org.simantics.db.tests/src/org/simantics/db/tests/api/request/misc/AsyncTransactionTest.java b/tests/org.simantics.db.tests/src/org/simantics/db/tests/api/request/misc/AsyncTransactionTest.java
new file mode 100644 (file)
index 0000000..749fbeb
--- /dev/null
+++ b/tests/org.simantics.db.tests/src/org/simantics/db/tests/api/request/misc/AsyncTransactionTest.java
@@ -0,0 +1,120 @@
+/*******************************************************************************
+ * 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.request.misc;
+
+import org.junit.Test;
+import org.simantics.db.AsyncReadGraph;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Session;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.common.request.WriteRequest;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.procedure.AsyncListener;
+import org.simantics.db.procedure.AsyncProcedure;
+import org.simantics.db.request.AsyncRead;
+import org.simantics.db.request.Read;
+import org.simantics.db.testing.base.ExistingDatabaseTest;
+
+/**
+ * Tests that read and write locks are implemented correctly.
+ *
+ * @author Hannu Niemistö
+ */
+public class AsyncTransactionTest extends ExistingDatabaseTest {
+
+    int counter = 100;
+
+    public void perform(AsyncReadGraph graph) {
+        graph.asyncRequest(new AsyncRead<Object>() {
+
+            @Override
+            public void perform(AsyncReadGraph graph,
+                    AsyncProcedure<Object> procedure) {
+                try {
+                    Thread.sleep(10);
+                } catch (InterruptedException e) {
+                    e.printStackTrace();
+                }
+                procedure.execute(graph, null);
+            }
+
+            @Override
+                   public int threadHash() {
+                       return hashCode();
+                   }
+
+            @Override
+            public int getFlags() {
+                return 0;
+            }
+
+        }, new AsyncListener<Object>() {
+
+            @Override
+            public void exception(AsyncReadGraph graph,
+                    Throwable throwable) {
+                throwable.printStackTrace();
+            }
+
+            @Override
+            public void execute(AsyncReadGraph graph, Object result) {
+                try {
+                    Thread.sleep(10);
+                } catch (InterruptedException e) {
+                    e.printStackTrace();
+                }
+                --counter;
+                if(counter > 0)
+                    perform(graph);
+            }
+
+            @Override
+            public boolean isDisposed() {
+                return false;
+            }
+
+        });
+    }
+
+       @Test
+    public void testAsyncTransactions() throws DatabaseException {
+        Session session = getSession();
+
+        session.asyncRequest(new Read<Object>() {
+
+            @Override
+            public Object perform(ReadGraph graph) throws DatabaseException {
+                AsyncTransactionTest.this.perform(graph);
+                return null;
+            }
+
+        });
+        session.asyncRequest(new WriteRequest() {
+
+            @Override
+            public void perform(WriteGraph graph) throws DatabaseException {
+                if(counter > 0)
+                    fail("Finished before read request was completed.");
+            }
+
+        });
+
+        try { // This should be done by the framework, but isn't.
+            int timeout = 101;
+            while (counter > 0 && --timeout > 0)
+                Thread.sleep(100);
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+    }
+
+}