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

[simantics/platform.git] / tests / org.simantics.db.tests / src / org / simantics / db / tests / api / support / undoRedoSupport / UndoTest05.java

diff --git a/tests/org.simantics.db.tests/src/org/simantics/db/tests/api/support/undoRedoSupport/UndoTest05.java b/tests/org.simantics.db.tests/src/org/simantics/db/tests/api/support/undoRedoSupport/UndoTest05.java
new file mode 100644 (file)
index 0000000..a79a888
--- /dev/null
+++ b/tests/org.simantics.db.tests/src/org/simantics/db/tests/api/support/undoRedoSupport/UndoTest05.java
@@ -0,0 +1,111 @@
+/*******************************************************************************
+ * 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.support.undoRedoSupport;
+
+import org.junit.Test;
+import org.simantics.databoard.Bindings;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.Session;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.common.request.ReadRequest;
+import org.simantics.db.common.request.WriteRequest;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.exception.NoSingleResultException;
+import org.simantics.db.service.UndoRedoSupport;
+import org.simantics.db.testing.base.ExistingDatabaseTest;
+import org.simantics.layer0.Layer0;
+import org.simantics.utils.DataContainer;
+
+/**
+ * Tests cases where a non-functional relation uses
+ * {@link ReadGraph#getSingleObject(org.simantics.db.Resource, org.simantics.db.Resource)}
+ * with > 1 objects.
+ *
+ * <p>
+ * Should throw {@link NoSingleResultException}, at the time of writing this
+ * test, AsyncBarrierImpl refcounting is trashed and DB client is stuck.
+ */
+public class UndoTest05 extends ExistingDatabaseTest {
+
+       @Test
+    public void testUndo5() throws Exception {
+
+       Session session = getSession();
+        final UndoRedoSupport support = session.getService(UndoRedoSupport.class);
+
+        final DataContainer<Resource> subject = new DataContainer<Resource>();
+        final String value = "value";
+        final String newValue = "new value";
+        try {
+            session.syncRequest(new WriteRequest() {
+                @Override
+                public void perform(WriteGraph graph) throws DatabaseException {
+                    graph.markUndoPoint();
+                    Layer0 b = Layer0.getInstance(graph);
+                    Resource s = graph.newResource();
+                    graph.claim(s, b.InstanceOf, b.Entity);
+                    graph.claimValue(s, value);
+                    subject.set(s);
+                }
+            });
+        } catch (Throwable e) {
+            fail("Write transaction threw an unknown exception " + e);
+        }
+        try {
+            session.syncRequest(new ReadRequest() {
+                @Override
+                public void run(ReadGraph graph) throws DatabaseException {
+                    Resource s = subject.get();
+                    if (!graph.hasStatement(s))
+                        fail("Failed to verify modifications (stm).");
+                    String t = graph.getValue(s, Bindings.STRING);
+                    if (!t.equals(value))
+                        fail("Failed to verify modifications (value).");
+                }
+            });
+        } catch (Throwable e) {
+            fail("Read transaction threw an unexpected exception " + e);
+        }
+
+        try {
+            session.syncRequest(new WriteRequest() {
+                @Override
+                public void perform(WriteGraph graph) throws DatabaseException {
+                    graph.markUndoPoint();
+                    Resource s = subject.get();
+                    graph.claimValue(s, newValue);
+                }
+            });
+        } catch (Throwable e) {
+            fail("Write transaction threw an unknown exception " + e);
+        }
+
+        support.undo(session, 2);
+
+        try {
+            session.syncRequest(new ReadRequest() {
+                @Override
+                public void run(ReadGraph graph) throws DatabaseException {
+                    Resource s = subject.get();
+                    String t = graph.getPossibleValue(s, Bindings.STRING);
+                    if (null != t)
+                        fail("Failed to verify modifications (value).");
+                }
+            });
+        } catch (Throwable e) {
+            fail("Read transaction threw an unexpected exception " + e);
+        }
+
+    }
+
+}