/*
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* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.dqp.internal.datamgr;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import junit.framework.TestCase;
import org.teiid.core.util.EquivalenceUtil;
import org.teiid.language.DerivedColumn;
import org.teiid.language.Select;
import org.teiid.query.sql.lang.CompoundCriteria;
import org.teiid.query.sql.lang.Query;
import org.teiid.query.sql.lang.UnaryFromClause;
import org.teiid.query.sql.symbol.ElementSymbol;
public class TestQueryImpl extends TestCase {
/**
* Constructor for TestQueryImpl.
* @param name
*/
public TestQueryImpl(String name) {
super(name);
}
public static org.teiid.query.sql.lang.Select helpExampleSelect(boolean distinct) {
ArrayList<ElementSymbol> symbols = new ArrayList<ElementSymbol>();
symbols.add(TestElementImpl.helpExample("vm1.g1", "e1")); //$NON-NLS-1$ //$NON-NLS-2$
symbols.add(TestElementImpl.helpExample("vm1.g1", "e2")); //$NON-NLS-1$ //$NON-NLS-2$
symbols.add(TestElementImpl.helpExample("vm1.g1", "e3")); //$NON-NLS-1$ //$NON-NLS-2$
symbols.add(TestElementImpl.helpExample("vm1.g1", "e4")); //$NON-NLS-1$ //$NON-NLS-2$
org.teiid.query.sql.lang.Select sel = new org.teiid.query.sql.lang.Select(symbols);
sel.setDistinct(distinct);
return sel;
}
public static Query helpExample(boolean distinct) {
return new Query(helpExampleSelect(distinct),
TestQueryImpl.helpExampleFrom(),
TestCompoundCriteriaImpl.helpExample(CompoundCriteria.AND),
TestGroupByImpl.helpExample(),
TestCompoundCriteriaImpl.helpExample(CompoundCriteria.AND),
TestOrderByImpl.helpExample(),
null);
}
public static Select example(boolean distinct) throws Exception {
return TstLanguageBridgeFactory.factory.translate(helpExample(distinct));
}
public void testGetSelect() throws Exception {
assertNotNull(example(true).getDerivedColumns());
}
public void testGetFrom() throws Exception {
assertNotNull(example(true).getFrom());
}
public void testGetWhere() throws Exception {
assertNotNull(example(true).getWhere());
}
public void testGetGroupBy() throws Exception {
assertNotNull(example(true).getGroupBy());
}
public void testGetHaving() throws Exception {
assertNotNull(example(true).getHaving());
}
public void testGetOrderBy() throws Exception {
assertNotNull(example(true).getOrderBy());
}
public void testGetColumnNames() throws Exception {
String[] expected = new String[4];
String[] names = example(true).getColumnNames();
assertTrue(EquivalenceUtil.areEquivalent(expected, names));
}
public void testGetColumnTypes() throws Exception {
Class[] expected = {String.class, String.class, String.class, String.class};
Class[] types = example(true).getColumnTypes();
assertTrue(EquivalenceUtil.areEquivalent(expected, types));
}
public static org.teiid.query.sql.lang.From helpExampleFrom() {
List<UnaryFromClause> clauses = new ArrayList<UnaryFromClause>();
clauses.add(new UnaryFromClause(TestGroupImpl.helpExample("vm1.g1"))); //$NON-NLS-1$
clauses.add(new UnaryFromClause(TestGroupImpl.helpExample("myAlias", "vm1.g2"))); //$NON-NLS-1$ //$NON-NLS-2$
clauses.add(new UnaryFromClause(TestGroupImpl.helpExample("vm1.g3"))); //$NON-NLS-1$
clauses.add(new UnaryFromClause(TestGroupImpl.helpExample("vm1.g4"))); //$NON-NLS-1$
return new org.teiid.query.sql.lang.From(clauses);
}
public void testGetSelectSymbols() throws Exception {
List symbols = example(false).getDerivedColumns();
assertNotNull(symbols);
assertEquals(4, symbols.size());
for (Iterator i = symbols.iterator(); i.hasNext();) {
assertTrue(i.next() instanceof DerivedColumn);
}
}
public void testIsDistinct() throws Exception {
assertTrue(example(true).isDistinct());
assertFalse(example(false).isDistinct());
}
}