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package org.apache.cayenne;
import org.apache.cayenne.di.Inject;
import org.apache.cayenne.graph.GraphEvent;
import org.apache.cayenne.testdo.mt.ClientMtTable1;
import org.apache.cayenne.unit.di.client.ClientCase;
import org.apache.cayenne.unit.di.server.UseServerRuntime;
@UseServerRuntime(ClientCase.MULTI_TIER_PROJECT)
public class CayenneContextMergeHandlerTest extends ClientCase {
@Inject
protected CayenneContext context;
public void testShouldProcessEvent() {
CayenneContextMergeHandler handler = new CayenneContextMergeHandler(context);
// 1. Our context initiated the sync:
// src == channel && postedBy == context
GraphEvent e1 = new GraphEvent(context.getChannel(), context, null);
assertFalse(handler.shouldProcessEvent(e1));
// 2. Another context initiated the sync:
// postedBy != context && source == channel
GraphEvent e2 = new GraphEvent(
context.getChannel(),
new MockObjectContext(),
null);
assertTrue(handler.shouldProcessEvent(e2));
// 2.1 Another object initiated the sync:
// postedBy != context && source == channel
GraphEvent e21 = new GraphEvent(context.getChannel(), new Object(), null);
assertTrue(handler.shouldProcessEvent(e21));
// 3. Another channel initiated the sync:
// postedBy == ? && source != channel
GraphEvent e3 = new GraphEvent(new MockDataChannel(), new Object(), null);
assertFalse(handler.shouldProcessEvent(e3));
// 4. inactive
GraphEvent e4 = new GraphEvent(
context.getChannel(),
new MockObjectContext(),
null);
handler.active = false;
assertFalse(handler.shouldProcessEvent(e4));
}
public void testNodePropertyChanged() {
ClientMtTable1 o1 = context.newObject(ClientMtTable1.class);
CayenneContextMergeHandler handler = new CayenneContextMergeHandler(context);
assertNull(o1.getGlobalAttribute1Direct());
handler.nodePropertyChanged(
o1.getObjectId(),
ClientMtTable1.GLOBAL_ATTRIBUTE1_PROPERTY,
null,
"abc");
assertEquals("abc", o1.getGlobalAttribute1Direct());
handler.nodePropertyChanged(
o1.getObjectId(),
ClientMtTable1.GLOBAL_ATTRIBUTE1_PROPERTY,
"abc",
"xyz");
assertEquals("xyz", o1.getGlobalAttribute1Direct());
// block if old value is different
handler.nodePropertyChanged(
o1.getObjectId(),
ClientMtTable1.GLOBAL_ATTRIBUTE1_PROPERTY,
"123",
"mnk");
assertEquals("xyz", o1.getGlobalAttribute1Direct());
handler.nodePropertyChanged(
o1.getObjectId(),
ClientMtTable1.GLOBAL_ATTRIBUTE1_PROPERTY,
"xyz",
null);
assertNull(o1.getGlobalAttribute1Direct());
}
}