/*
* Copyright 2011, Mysema Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.mysema.query.types;
import java.util.Arrays;
import com.google.common.collect.ImmutableList;
import com.mysema.query.Tuple;
import com.mysema.query.types.path.StringPath;
import org.junit.Ignore;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
public class QTupleTest {
StringPath str1 = new StringPath("str1");
StringPath str2 = new StringPath("str2");
StringPath str3 = new StringPath("str3");
StringPath str4 = new StringPath("str4");
Expression<?>[] exprs1 = new Expression[]{str1, str2};
Expression<?>[] exprs2 = new Expression[]{str3, str4};
Concatenation concat = new Concatenation(str1, str2);
@Test
public void Alias() {
Expression<?> expr = str1.as("s");
QTuple qTuple = new QTuple(expr);
Tuple tuple = qTuple.newInstance("arg");
assertEquals("arg", tuple.get(expr));
assertEquals("arg", tuple.get(new StringPath("s")));
}
@Test
public void TwoExpressions_getArgs() {
assertEquals(Arrays.asList(str1, str2), new QTuple(str1, str2).getArgs());
}
@Test
public void OneArray_getArgs() {
assertEquals(Arrays.asList(str1, str2), new QTuple(exprs1).getArgs());
}
@Test
public void TwoExpressionArrays_getArgs() {
assertEquals(Arrays.asList(str1, str2, str3, str4), new QTuple(exprs1, exprs2).getArgs());
}
@Test
public void NestedProjection_getArgs() {
assertEquals(Arrays.asList(str1, str2), FactoryExpressionUtils.wrap(new QTuple(concat)).getArgs());
}
@Test
public void NestedProjection_getArgs2() {
assertEquals(Arrays.asList(str1, str2, str3), FactoryExpressionUtils.wrap(new QTuple(concat, str3)).getArgs());
}
@Test
public void NestedProjection_newInstance() {
QTuple expr = new QTuple(concat);
assertEquals("1234", FactoryExpressionUtils.wrap(expr).newInstance("12", "34").get(concat));
}
@Test
public void NestedProjection_newInstance2() {
QTuple expr = new QTuple(str1, str2, concat);
assertEquals("1234", FactoryExpressionUtils.wrap(expr).newInstance("1", "2", "12", "34").get(concat));
}
@Test
public void Tuple_Equals() {
QTuple expr = new QTuple(str1, str2);
assertEquals(expr.newInstance("str1", "str2"), expr.newInstance("str1", "str2"));
}
@Test
public void Tuple_hashCode() {
QTuple expr = new QTuple(str1, str2);
assertEquals(expr.newInstance("str1", "str2").hashCode(), expr.newInstance("str1", "str2").hashCode());
}
@Test
@Ignore
public void Duplicates() {
QTuple expr = new QTuple(str1, str1);
assertEquals(1, expr.getArgs().size());
assertEquals(str1, expr.getArgs().get(0));
}
@Test
@Ignore
public void Duplicates2() {
QTuple expr = new QTuple(ImmutableList.<Expression<?>>of(str1, str1));
assertEquals(1, expr.getArgs().size());
assertEquals(str1, expr.getArgs().get(0));
}
@Test
public void NewInstance() {
assertNotNull(new QTuple(str1, str1).newInstance(null, null));
assertNull(new QTuple(str1, str1).skipNulls().newInstance(null, null));
}
}