/**
* Copyright 2014 Eediom Inc.
*
* 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 org.araqne.logdb.query.expr;
import static org.junit.Assert.*;
import java.util.ArrayList;
import java.util.List;
import org.araqne.logdb.QueryParseException;
import org.junit.Test;
/**
*
* @author kyun
*
*/
public class StrJoinTest {
@Test
public void testStrJoin(){
StrJoin srtJoin = new StrJoin(null, expr(",", array(expr(1,2,3,4))));
assertEquals("1,2,3,4", srtJoin.eval(null));
}
@Test
public void testStrJoinNull(){
StrJoin strJoin = new StrJoin(null, expr(",", null));
assertEquals(null, strJoin.eval(null));
//strjoin(",", null) => null
}
@Test
public void testError90780(){
//args size 0
try {
new StrJoin(null, expr());
fail();
} catch (QueryParseException e) {
if (e.isDebugMode()) {
System.out.println(e.getMessage());
}
assertEquals("99000", e.getType());
}
//args size 1
try {
new StrJoin(null, expr(","));
fail();
} catch (QueryParseException e) {
if (e.isDebugMode()) {
System.out.println(e.getMessage());
}
assertEquals("99000", e.getType());
}
//args size 3
try {
new StrJoin(null, expr(null,1,2));
fail();
} catch (QueryParseException e) {
if (e.isDebugMode()) {
System.out.println(e.getMessage());
}
assertEquals("90780", e.getType());
}
}
@Test
public void testError90781(){
try {
new StrJoin(null, expr(null, null));
fail();
} catch (QueryParseException e) {
if (e.isDebugMode()) {
System.out.println(e.getMessage());
}
assertEquals("90781", e.getType());
}
}
@Test
public void testManual() {
assertNull(FunctionUtil.parseExpr("strjoin(\",\", int(\"invalid\"))").eval(null));
assertEquals("1,2,3", FunctionUtil.parseExpr("strjoin(\",\", array(1, 2, 3))").eval(null));
}
private Array array(List<Expression> expr){
return new Array(null, expr);
}
private List<Expression> expr(Object...object ){
List<Expression> expr = new ArrayList<Expression>();
for(Object o: object){
if(o == null)
expr.add(new NullConstant());
if(o instanceof Expression)
expr.add((Expression)o);
else if(o instanceof String)
expr.add(new StringConstant((String)o));
else if(o instanceof Number)
expr.add(new NumberConstant((Number)o));
else if(o instanceof Boolean)
expr.add(new BooleanConstant((Boolean)o));
}
return expr;
}
}