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// ***************************************************************************************************************************
// * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file *
// * distributed with this work for additional information 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 *
// * with the License. You may obtain a copy of the License at *
// * *
// * http://www.apache.org/licenses/LICENSE-2.0 *
// * *
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// ***************************************************************************************************************************
package org.apache.juneau.svl.vars;
import static org.junit.Assert.*;
import java.io.*;
import org.apache.juneau.svl.*;
import org.junit.*;
public class RestrictedVarsTest {
@Test
public void testNoNest() throws Exception {
VarResolver vr = new VarResolverBuilder().vars(NoNestVar.class).build();
test(vr, "$NoNest{foo}", "foo");
test(vr, "$NoNest{$NoNest{foo}}", "$NoNest{foo}");
test(vr, "$NoNest{foo $NoNest{foo} bar}", "foo $NoNest{foo} bar");
}
public static class XVar extends SimpleVar {
public XVar() {
super("X");
}
@Override
public String resolve(VarResolverSession session, String arg) throws Exception {
return 'x' + arg + 'x';
}
}
public static class NoNestVar extends SimpleVar {
public NoNestVar() {
super("NoNest");
}
@Override
public String resolve(VarResolverSession session, String arg) throws Exception {
return arg.replaceAll("\\$", "\\\\\\$");
}
@Override
protected boolean allowNested() {
return false;
}
}
@Test
public void testNoRecurse() throws Exception {
VarResolver vr = new VarResolverBuilder().vars(XVar.class, NoRecurseVar.class).build();
test(vr, "$NoRecurse{foo}", "$X{foo}");
test(vr, "$NoRecurse{$NoRecurse{foo}}", "$X{$X{foo}}");
test(vr, "$NoRecurse{foo $NoRecurse{foo} bar}", "$X{foo $X{foo} bar}");
}
public static class NoRecurseVar extends SimpleVar {
public NoRecurseVar() {
super("NoRecurse");
}
@Override
public String resolve(VarResolverSession session, String arg) throws Exception {
return "$X{"+arg+"}";
}
@Override
protected boolean allowRecurse() {
return false;
}
}
@Test
public void testNoNestOrRecurse() throws Exception {
VarResolver vr = new VarResolverBuilder().vars(XVar.class, NoEitherVar.class).build();
test(vr, "$NoEither{foo}", "$X{foo}");
test(vr, "$NoEither{$NoEither{foo}}", "$X{$NoEither{foo}}");
test(vr, "$NoEither{foo $NoEither{foo} bar}", "$X{foo $NoEither{foo} bar}");
}
public static class NoEitherVar extends SimpleVar {
public NoEitherVar() {
super("NoEither");
}
@Override
public String resolve(VarResolverSession session, String arg) throws Exception {
return "$X{" + arg + "}";
}
@Override
protected boolean allowNested() {
return false;
}
@Override
protected boolean allowRecurse() {
return false;
}
}
private void test(VarResolver vr, String s, String expected) throws IOException {
StringWriter sw = new StringWriter();
vr.resolveTo(s, sw);
assertEquals(expected, sw.toString());
assertEquals(expected, vr.resolve(s));
}
}