/*
* 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.karaf.packages.core.internal.filter;
import org.apache.karaf.packages.core.internal.filter.AndExpression;
import org.apache.karaf.packages.core.internal.filter.Expression;
import org.apache.karaf.packages.core.internal.filter.FilterParser;
import org.apache.karaf.packages.core.internal.filter.NotExpression;
import org.apache.karaf.packages.core.internal.filter.SimpleItem;
import org.apache.karaf.packages.core.internal.filter.SimpleItem.FilterType;
import org.junit.Assert;
import org.junit.Test;
public class FilterParserTest {
@Test
public void testSimpleItem() {
Expression expr = new FilterParser().parse(" (a= b)");
SimpleItem item = (SimpleItem) expr;
checkItem(item, "a", FilterType.equal, "b");
}
private void checkItem(Expression expr, String expectedAttr, FilterType expectedFilterType, String expectedValue) {
if (!(expr instanceof SimpleItem)) {
Assert.fail("SimpleItem expected");
}
SimpleItem item = (SimpleItem)expr;
Assert.assertEquals(expectedAttr, item.attr);
Assert.assertEquals(expectedFilterType, item.filterType);
Assert.assertEquals(expectedValue, item.value);
}
@Test
public void testNotSimpleItem() {
NotExpression not = (NotExpression) new FilterParser().parse("(!(a=b))");
checkItem(not.expression, "a", FilterType.equal, "b");
}
@Test
public void testPackageImport() {
AndExpression expr = (AndExpression) new FilterParser().parse("(&(osgi.wiring.package=org.mypackage)(version>=1.9.0)(!(version>=2.0.0)))");
Assert.assertEquals(3, expr.expressions.length);
checkItem(expr.expressions[0], "osgi.wiring.package", FilterType.equal, "org.mypackage");
checkItem(expr.expressions[1], "version", FilterType.gt, "1.9.0");
NotExpression notVersion = (NotExpression)expr.expressions[2];
checkItem(notVersion.expression, "version", FilterType.gt, "2.0.0");
}
@Test
public void testPackageImportNoVersions() {
Expression expr = new FilterParser().parse("(osgi.wiring.package=org.mypackage)");
checkItem(expr, "osgi.wiring.package", FilterType.equal, "org.mypackage");
}
}