/*
* 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.jackrabbit.oak.plugins.observation.filter;
import static org.apache.jackrabbit.oak.commons.PathUtils.elements;
import static org.apache.jackrabbit.oak.plugins.memory.EmptyNodeState.EMPTY_NODE;
import static org.apache.jackrabbit.oak.plugins.observation.filter.GlobbingPathFilter.STAR;
import static org.apache.jackrabbit.oak.plugins.observation.filter.GlobbingPathFilter.STAR_STAR;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import org.apache.jackrabbit.oak.core.ImmutableTree;
import org.apache.jackrabbit.oak.spi.state.NodeBuilder;
import org.apache.jackrabbit.oak.spi.state.NodeState;
import org.junit.Before;
import org.junit.Test;
public class GlobbingPathFilterTest {
private ImmutableTree tree;
@Before
public void setup() {
NodeBuilder root = EMPTY_NODE.builder();
createPath(root, "a/b/c/d");
createPath(root, "q");
createPath(root, "x/y/x/y/z");
createPath(root, "r/s/t/u/v/r/s/t/u/v/r/s/t/u/v/w");
tree = new ImmutableTree(root.getNodeState());
}
private static void createPath(NodeBuilder root, String path) {
NodeBuilder builder = root;
for (String name : elements(path)) {
builder = builder.setChildNode(name);
}
}
/**
* An empty path pattern should match no path
*/
@Test
public void emptyMatchesNothing() {
EventFilter rootFilter = new GlobbingPathFilter("");
NodeState a = tree.getChild("a").getNodeState();
assertFalse(rootFilter.includeAdd("a", a));
assertNull(rootFilter.create("a", a, a));
}
/**
* q should match q
*/
@Test
public void singleMatchesSingle() {
EventFilter filter = new GlobbingPathFilter("q");
assertTrue(filter.includeAdd("q", tree.getNodeState()));
}
/**
* * should match q
*/
@Test
public void starMatchesSingle() {
EventFilter filter = new GlobbingPathFilter(STAR);
assertTrue(filter.includeAdd("q", tree.getNodeState()));
}
/**
* ** should match every path
*/
@Test
public void all() {
EventFilter filter = new GlobbingPathFilter(STAR_STAR);
ImmutableTree t = tree;
for(String name : elements("a/b/c/d")) {
t = t.getChild(name);
assertTrue(filter.includeAdd(name, t.getNodeState()));
filter = filter.create(name, t.getNodeState(), t.getNodeState());
assertNotNull(filter);
}
}
/**
* a/b/c should match a/b/c
*/
@Test
public void literal() {
EventFilter rootFilter = new GlobbingPathFilter("a/b/c");
NodeState a = tree.getChild("a").getNodeState();
assertFalse(rootFilter.includeAdd("a", a));
EventFilter aFilter = rootFilter.create("a", a, a);
assertNotNull(aFilter);
NodeState b = a.getChildNode("b");
assertFalse(aFilter.includeAdd("b", b));
EventFilter bFilter = aFilter.create("b", b, b);
assertNotNull(bFilter);
NodeState c = b.getChildNode("c");
assertTrue(bFilter.includeAdd("c", b));
assertFalse(bFilter.includeAdd("x", b));
assertNull(bFilter.create("c", c, c));
}
/**
* a/*/c should match a/b/c
*/
@Test
public void starGlob() {
EventFilter rootFilter = new GlobbingPathFilter("a/*/c");
NodeState a = tree.getChild("a").getNodeState();
assertFalse(rootFilter.includeAdd("a", a));
EventFilter aFilter = rootFilter.create("a", a, a);
assertNotNull(aFilter);
NodeState b = a.getChildNode("b");
assertFalse(aFilter.includeAdd("b", b));
EventFilter bFilter = aFilter.create("b", b, b);
assertNotNull(bFilter);
NodeState c = b.getChildNode("c");
assertTrue(bFilter.includeAdd("c", b));
assertFalse(bFilter.includeAdd("x", b));
assertNull(bFilter.create("c", c, c));
}
/**
* **//y/z should match x/y/x/y/z
*/
@Test
public void starStarGlob() {
EventFilter rootFilter = new GlobbingPathFilter("**/y/z");
NodeState x1 = tree.getChild("x").getNodeState();
assertFalse(rootFilter.includeAdd("x", x1));
EventFilter x1Filter = rootFilter.create("x", x1, x1);
assertNotNull(x1Filter);
NodeState y1 = x1.getChildNode("y");
assertFalse(x1Filter.includeAdd("y", y1));
EventFilter y1Filter = x1Filter.create("y", y1, y1);
assertNotNull(y1Filter);
NodeState x2 = y1.getChildNode("x");
assertFalse(y1Filter.includeAdd("x", x2));
EventFilter x2Filter = y1Filter.create("x", x2, x2);
assertNotNull(x2Filter);
NodeState y2 = x2.getChildNode("y");
assertFalse(x2Filter.includeAdd("y", y2));
EventFilter y2Filter = x2Filter.create("y", y2, y2);
assertNotNull(y2Filter);
NodeState z = y2.getChildNode("z");
assertTrue(y2Filter.includeAdd("z", z));
EventFilter zFilter = (y2Filter.create("z", z, z));
assertFalse(zFilter.includeAdd("x", EMPTY_NODE));
}
/**
* **/a/b/c should match a/b/c
*/
@Test
public void matchAtStart() {
EventFilter rootFilter = new GlobbingPathFilter("**/a/b/c");
NodeState a = tree.getChild("a").getNodeState();
assertFalse(rootFilter.includeAdd("a", a));
EventFilter aFilter = rootFilter.create("a", a, a);
assertNotNull(aFilter);
NodeState b = a.getChildNode("b");
assertFalse(aFilter.includeAdd("b", b));
EventFilter bFilter = aFilter.create("b", b, b);
assertNotNull(bFilter);
NodeState c = b.getChildNode("c");
assertTrue(bFilter.includeAdd("c", b));
assertFalse(bFilter.includeAdd("x", b));
}
/**
* **/r/s/t/u/v should match r/s/t/u/v and r/s/t/u/v/r/s/t/u/v and r/s/t/u/v/r/s/t/u/v/r/s/t/u/v
*/
@Test
public void multipleMatches() {
EventFilter filter = new GlobbingPathFilter("**/r/s/t/u/v");
ImmutableTree t = tree;
for(int c = 0; c < 2; c++) {
for(String name : elements("r/s/t/u")) {
t = t.getChild(name);
assertFalse(filter.includeAdd(name, t.getNodeState()));
filter = filter.create(name, t.getNodeState(), t.getNodeState());
assertNotNull(filter);
}
t = t.getChild("v");
assertTrue(filter.includeAdd("v", t.getNodeState()));
filter = filter.create("v", t.getNodeState(), t.getNodeState());
assertNotNull(filter);
}
}
/**
* **/r/s/t/u/v/w should match r/s/t/u/v/r/s/t/u/v/r/s/t/u/v/w
*/
@Test
public void matchAtEnd() {
EventFilter filter = new GlobbingPathFilter("**/r/s/t/u/v/w");
ImmutableTree t = tree;
for(String name : elements("r/s/t/u/v/r/s/t/u/v/r/s/t/u/v")) {
t = t.getChild(name);
assertFalse(filter.includeAdd(name, t.getNodeState()));
filter = filter.create(name, t.getNodeState(), t.getNodeState());
assertNotNull(filter);
}
t = t.getChild("w");
assertTrue(filter.includeAdd("w", t.getNodeState()));
filter = filter.create("w", t.getNodeState(), t.getNodeState());
assertNotNull(filter);
}
/**
* r/s/t/** should match r/s/t and all its descendants
*/
@Test
public void matchSuffix() {
EventFilter filter = new GlobbingPathFilter("r/s/t/**");
ImmutableTree t = tree;
for(String name : elements("r/s")) {
t = t.getChild(name);
assertFalse(filter.includeAdd(name, t.getNodeState()));
filter = filter.create(name, t.getNodeState(), t.getNodeState());
assertNotNull(filter);
}
for (String name: elements("t/u/v/r/s/t/u/v/r/s/t/u/v/w")) {
t = t.getChild(name);
assertTrue(filter.includeAdd(name, t.getNodeState()));
filter = filter.create(name, t.getNodeState(), t.getNodeState());
assertNotNull(filter);
}
}
}