/*
* 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
*
* 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.apache.catalina.ssi;
import java.io.IOException;
import java.util.Collection;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import org.junit.Assert;
import org.junit.Test;
public class TestExpressionParseTree {
private static final long LAST_MODIFIED = 60 * 60 * 24 * 1000;
@Test
public void testSimple1() throws Exception {
SSIMediator mediator =
new SSIMediator(new TesterSSIExternalResolver(), LAST_MODIFIED);
ExpressionParseTree ept =
new ExpressionParseTree("a = a", mediator);
Assert.assertTrue(ept.evaluateTree());
}
@Test
public void testSimple2() throws Exception {
SSIMediator mediator =
new SSIMediator(new TesterSSIExternalResolver(), LAST_MODIFIED);
ExpressionParseTree ept =
new ExpressionParseTree("a = b", mediator);
Assert.assertFalse(ept.evaluateTree());
}
@Test
public void testSimple3() throws Exception {
SSIMediator mediator =
new SSIMediator(new TesterSSIExternalResolver(), LAST_MODIFIED);
ExpressionParseTree ept =
new ExpressionParseTree("a = /a/", mediator);
Assert.assertTrue(ept.evaluateTree());
}
@Test
public void testSimple4() throws Exception {
SSIMediator mediator =
new SSIMediator(new TesterSSIExternalResolver(), LAST_MODIFIED);
ExpressionParseTree ept =
new ExpressionParseTree("a = /b/", mediator);
Assert.assertFalse(ept.evaluateTree());
}
@Test
public void testSimple5() throws Exception {
SSIExternalResolver r = new TesterSSIExternalResolver();
r.setVariableValue("QUERY_STRING", "a");
SSIMediator mediator = new SSIMediator(r, LAST_MODIFIED);
ExpressionParseTree ept =
new ExpressionParseTree("$QUERY_STRING = a", mediator);
Assert.assertTrue(ept.evaluateTree());
}
@Test
public void testSimple6() throws Exception {
SSIExternalResolver r = new TesterSSIExternalResolver();
r.setVariableValue("QUERY_STRING", "a");
SSIMediator mediator = new SSIMediator(r, LAST_MODIFIED);
ExpressionParseTree ept =
new ExpressionParseTree("$QUERY_STRING = b", mediator);
Assert.assertFalse(ept.evaluateTree());
}
@Test
public void testSimple7() throws Exception {
SSIExternalResolver r = new TesterSSIExternalResolver();
r.setVariableValue("QUERY_STRING", "a");
SSIMediator mediator = new SSIMediator(r, LAST_MODIFIED);
ExpressionParseTree ept =
new ExpressionParseTree("$QUERY_STRING = /a/", mediator);
Assert.assertTrue(ept.evaluateTree());
}
@Test
public void testSimple8() throws Exception {
SSIExternalResolver r = new TesterSSIExternalResolver();
r.setVariableValue("QUERY_STRING", "a");
SSIMediator mediator = new SSIMediator(r, LAST_MODIFIED);
ExpressionParseTree ept =
new ExpressionParseTree("$QUERY_STRING = /b/", mediator);
Assert.assertFalse(ept.evaluateTree());
}
@Test
public void testBug55176a() throws Exception {
SSIExternalResolver r = new TesterSSIExternalResolver();
r.setVariableValue("QUERY_STRING", "a=");
SSIMediator mediator = new SSIMediator(r, LAST_MODIFIED);
ExpressionParseTree ept =
new ExpressionParseTree("$QUERY_STRING = /a=/", mediator);
Assert.assertTrue(ept.evaluateTree());
}
@Test
public void testBug55176b() throws Exception {
SSIExternalResolver r = new TesterSSIExternalResolver();
r.setVariableValue("QUERY_STRING", "a");
SSIMediator mediator = new SSIMediator(r, LAST_MODIFIED);
ExpressionParseTree ept =
new ExpressionParseTree("$QUERY_STRING = /a=/", mediator);
Assert.assertFalse(ept.evaluateTree());
}
/**
* Minimal implementation that provides the bare essentials require for the
* unit tests.
*/
private static class TesterSSIExternalResolver
implements SSIExternalResolver {
private Map<String,String> variables = new HashMap<>();
@Override
public void addVariableNames(Collection<String> variableNames) {
// NO-OP
}
@Override
public String getVariableValue(String name) {
return variables.get(name);
}
@Override
public void setVariableValue(String name, String value) {
variables.put(name, value);
}
@Override
public Date getCurrentDate() {
return null;
}
@Override
public long getFileSize(String path, boolean virtual)
throws IOException {
return 0;
}
@Override
public long getFileLastModified(String path, boolean virtual)
throws IOException {
return 0;
}
@Override
public String getFileText(String path, boolean virtual)
throws IOException {
return null;
}
@Override
public void log(String message, Throwable throwable) {
// NO-OP
}
}
}