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* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
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*
* http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.cayenne.query;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.cayenne.exp.Expression;
import org.apache.cayenne.exp.ExpressionFactory;
import org.apache.cayenne.exp.ExpressionParameter;
import org.apache.cayenne.testdo.testmap.Artist;
import org.junit.Before;
import org.junit.Test;
public class SelectQueryTest {
private SelectQuery<?> query;
@Before
public void before() {
this.query = new SelectQuery<Object>();
}
@Test
public void testAddPrefetch() {
assertNull(query.getPrefetchTree());
query.addPrefetch("a.b.c");
assertNotNull(query.getPrefetchTree());
assertEquals(1, query.getPrefetchTree().nonPhantomNodes().size());
assertNotNull(query.getPrefetchTree().getNode("a.b.c"));
}
@Test
public void testAddPrefetchDuplicates() {
query.addPrefetch("a.b.c");
query.addPrefetch("a.b.c");
assertEquals(1, query.getPrefetchTree().nonPhantomNodes().size());
}
@Test
public void testClearPrefetches() {
query.addPrefetch("abc");
query.addPrefetch("xyz");
assertNotNull(query.getPrefetchTree());
query.clearPrefetches();
assertNull(query.getPrefetchTree());
}
@Test
public void testPageSize() throws Exception {
query.setPageSize(10);
assertEquals(10, query.getPageSize());
}
@Test
public void testAddOrdering1() throws Exception {
Ordering ord = new Ordering();
query.addOrdering(ord);
assertEquals(1, query.getOrderings().size());
assertSame(ord, query.getOrderings().get(0));
}
@Test
public void testAddOrdering2() throws Exception {
String path = "a.b.c";
query.addOrdering(path, SortOrder.DESCENDING);
assertEquals(1, query.getOrderings().size());
Ordering ord = query.getOrderings().get(0);
assertEquals(path, ord.getSortSpec().getOperand(0));
assertEquals(false, ord.isAscending());
}
@Test
public void testDistinct() throws Exception {
assertFalse(query.isDistinct());
query.setDistinct(true);
assertTrue(query.isDistinct());
}
@Test
public void testQueryWithParams1() {
query.setRoot(Artist.class);
query.setDistinct(true);
SelectQuery<?> q1 = query.queryWithParameters(new HashMap<String, Object>(), true);
assertSame(query.getRoot(), q1.getRoot());
assertEquals(query.isDistinct(), q1.isDistinct());
assertNull(q1.getQualifier());
}
@Test
public void testQueryWithParams2() throws Exception {
query.setRoot(Artist.class);
List<Expression> list = new ArrayList<Expression>();
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")));
query.setQualifier(ExpressionFactory.joinExp(Expression.OR, list));
Map<String, Object> params = new HashMap<String, Object>();
params.put("test2", "abc");
params.put("test3", "xyz");
SelectQuery<?> q1 = query.queryWithParameters(params, true);
assertSame(query.getRoot(), q1.getRoot());
assertNotNull(q1.getQualifier());
assertTrue(q1.getQualifier() != query.getQualifier());
}
@Test
public void testQueryWithParamsSkipName() {
query.setRoot(Artist.class);
query.setDistinct(true);
query.setName("name");
SelectQuery<?> q1 = query.queryWithParameters(Collections.<String, Object> emptyMap());
assertEquals("name", query.getName());
assertNull(q1.getName());
}
@Test
public void testAndQualifier() {
assertNull(query.getQualifier());
Expression e1 = ExpressionFactory.expressionOfType(Expression.EQUAL_TO);
query.andQualifier(e1);
assertSame(e1, query.getQualifier());
Expression e2 = ExpressionFactory.expressionOfType(Expression.NOT_EQUAL_TO);
query.andQualifier(e2);
assertEquals(Expression.AND, query.getQualifier().getType());
}
@Test
public void testOrQualifier() {
assertNull(query.getQualifier());
Expression e1 = ExpressionFactory.expressionOfType(Expression.EQUAL_TO);
query.orQualifier(e1);
assertSame(e1, query.getQualifier());
Expression e2 = ExpressionFactory.expressionOfType(Expression.NOT_EQUAL_TO);
query.orQualifier(e2);
assertEquals(Expression.OR, query.getQualifier().getType());
}
@Test
public void testSetQualifier() {
assertNull(query.getQualifier());
Expression qual = ExpressionFactory.expressionOfType(Expression.AND);
query.setQualifier(qual);
assertNotNull(query.getQualifier());
assertSame(qual, query.getQualifier());
}
}