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* to you under the Apache License, Version 2.0 (the
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package org.apache.cayenne.query;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import junit.framework.TestCase;
import org.apache.art.Artist;
import org.apache.cayenne.exp.Expression;
import org.apache.cayenne.exp.ExpressionFactory;
import org.apache.cayenne.exp.ExpressionParameter;
public class SelectQueryBasicsTest extends TestCase {
public void testAddPrefetch() {
SelectQuery q = new SelectQuery();
assertNull(q.getPrefetchTree());
q.addPrefetch("a.b.c");
assertNotNull(q.getPrefetchTree());
assertEquals(1, q.getPrefetchTree().nonPhantomNodes().size());
assertNotNull(q.getPrefetchTree().getNode("a.b.c"));
}
public void testAddPrefetchDuplicates() {
SelectQuery q = new SelectQuery();
q.addPrefetch("a.b.c");
q.addPrefetch("a.b.c");
assertEquals(1, q.getPrefetchTree().nonPhantomNodes().size());
}
public void testClearPrefetches() {
SelectQuery q = new SelectQuery();
q.addPrefetch("abc");
q.addPrefetch("xyz");
assertNotNull(q.getPrefetchTree());
q.clearPrefetches();
assertNull(q.getPrefetchTree());
}
public void testPageSize() throws Exception {
SelectQuery q = new SelectQuery();
q.setPageSize(10);
assertEquals(10, q.getPageSize());
}
public void testAddOrdering1() throws Exception {
SelectQuery q = new SelectQuery();
Ordering ord = new Ordering();
q.addOrdering(ord);
assertEquals(1, q.getOrderings().size());
assertSame(ord, q.getOrderings().get(0));
}
public void testAddOrdering2() throws Exception {
SelectQuery q = new SelectQuery();
String path = "a.b.c";
q.addOrdering(path, Ordering.DESC);
assertEquals(1, q.getOrderings().size());
Ordering ord = q.getOrderings().get(0);
assertEquals(path, ord.getSortSpec().getOperand(0));
assertEquals(Ordering.DESC, ord.isAscending());
}
public void testDistinct() throws Exception {
SelectQuery q = new SelectQuery();
assertFalse(q.isDistinct());
q.setDistinct(true);
assertTrue(q.isDistinct());
}
public void testQueryWithParams1() {
SelectQuery q = new SelectQuery();
q.setRoot(Artist.class);
q.setDistinct(true);
SelectQuery q1 = q.queryWithParameters(new HashMap(), true);
assertSame(q.getRoot(), q1.getRoot());
assertEquals(q.isDistinct(), q1.isDistinct());
assertNull(q1.getQualifier());
}
public void testQueryWithParams2() throws Exception {
SelectQuery q = new SelectQuery();
q.setRoot(Artist.class);
List list = new ArrayList();
list.add(ExpressionFactory.matchExp("k1", new ExpressionParameter("test1")));
list.add(ExpressionFactory.matchExp("k2", new ExpressionParameter("test2")));
list.add(ExpressionFactory.matchExp("k3", new ExpressionParameter("test3")));
list.add(ExpressionFactory.matchExp("k4", new ExpressionParameter("test4")));
q.setQualifier(ExpressionFactory.joinExp(Expression.OR, list));
Map params = new HashMap();
params.put("test2", "abc");
params.put("test3", "xyz");
SelectQuery q1 = q.queryWithParameters(params, true);
assertSame(q.getRoot(), q1.getRoot());
assertNotNull(q1.getQualifier());
assertTrue(q1.getQualifier() != q.getQualifier());
}
public void testQueryWithParamsSkipName() {
SelectQuery q = new SelectQuery();
q.setRoot(Artist.class);
q.setDistinct(true);
q.setName("name");
SelectQuery q1 = q.queryWithParameters(Collections.EMPTY_MAP);
assertEquals("name", q.getName());
assertNull(q1.getName());
}
}