/*
* 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.lucene.facet.taxonomy;
import org.apache.lucene.facet.FacetField;
import org.apache.lucene.facet.FacetTestCase;
import org.apache.lucene.facet.sortedset.SortedSetDocValuesFacetField;
import org.apache.lucene.util.BytesRef;
import org.apache.lucene.util.TestUtil;
import org.junit.Test;
public class TestFacetLabel extends FacetTestCase {
@Test
public void testBasic() {
assertEquals(0, new FacetLabel().length);
assertEquals(1, new FacetLabel("hello").length);
assertEquals(2, new FacetLabel("hello", "world").length);
}
@Test
public void testToString() {
// When the category is empty, we expect an empty string
assertEquals("FacetLabel: []", new FacetLabel().toString());
// one category
assertEquals("FacetLabel: [hello]", new FacetLabel("hello").toString());
// more than one category
assertEquals("FacetLabel: [hello, world]", new FacetLabel("hello", "world").toString());
}
@Test
public void testGetComponent() {
String[] components = new String[atLeast(10)];
for (int i = 0; i < components.length; i++) {
components[i] = Integer.toString(i);
}
FacetLabel cp = new FacetLabel(components);
for (int i = 0; i < components.length; i++) {
assertEquals(i, Integer.parseInt(cp.components[i]));
}
}
@Test
public void testDefaultConstructor() {
// test that the default constructor (no parameters) currently
// defaults to creating an object with a 0 initial capacity.
// If we change this default later, we also need to change this
// test.
FacetLabel p = new FacetLabel();
assertEquals(0, p.length);
assertEquals("FacetLabel: []", p.toString());
}
@Test
public void testSubPath() {
final FacetLabel p = new FacetLabel("hi", "there", "man");
assertEquals(p.length, 3);
FacetLabel p1 = p.subpath(2);
assertEquals(2, p1.length);
assertEquals("FacetLabel: [hi, there]", p1.toString());
p1 = p.subpath(1);
assertEquals(1, p1.length);
assertEquals("FacetLabel: [hi]", p1.toString());
p1 = p.subpath(0);
assertEquals(0, p1.length);
assertEquals("FacetLabel: []", p1.toString());
// with all the following lengths, the prefix should be the whole path
int[] lengths = { 3, -1, 4 };
for (int i = 0; i < lengths.length; i++) {
p1 = p.subpath(lengths[i]);
assertEquals(3, p1.length);
assertEquals("FacetLabel: [hi, there, man]", p1.toString());
assertEquals(p, p1);
}
}
@Test
public void testEquals() {
assertEquals(new FacetLabel(), new FacetLabel());
assertFalse(new FacetLabel().equals(new FacetLabel("hi")));
assertFalse(new FacetLabel().equals(Integer.valueOf(3)));
assertEquals(new FacetLabel("hello", "world"), new FacetLabel("hello", "world"));
}
@Test
public void testHashCode() {
assertEquals(new FacetLabel().hashCode(), new FacetLabel().hashCode());
assertFalse(new FacetLabel().hashCode() == new FacetLabel("hi").hashCode());
assertEquals(new FacetLabel("hello", "world").hashCode(), new FacetLabel("hello", "world").hashCode());
}
@Test
public void testLongHashCode() {
assertEquals(new FacetLabel().longHashCode(), new FacetLabel().longHashCode());
assertFalse(new FacetLabel().longHashCode() == new FacetLabel("hi").longHashCode());
assertEquals(new FacetLabel("hello", "world").longHashCode(), new FacetLabel("hello", "world").longHashCode());
}
@Test
public void testArrayConstructor() {
FacetLabel p = new FacetLabel("hello", "world", "yo");
assertEquals(3, p.length);
assertEquals("FacetLabel: [hello, world, yo]", p.toString());
}
@Test
public void testCompareTo() {
FacetLabel p = new FacetLabel("a", "b", "c", "d");
FacetLabel pother = new FacetLabel("a", "b", "c", "d");
assertEquals(0, pother.compareTo(p));
assertEquals(0, p.compareTo(pother));
pother = new FacetLabel();
assertTrue(pother.compareTo(p) < 0);
assertTrue(p.compareTo(pother) > 0);
pother = new FacetLabel("a", "b_", "c", "d");
assertTrue(pother.compareTo(p) > 0);
assertTrue(p.compareTo(pother) < 0);
pother = new FacetLabel("a", "b", "c");
assertTrue(pother.compareTo(p) < 0);
assertTrue(p.compareTo(pother) > 0);
pother = new FacetLabel("a", "b", "c", "e");
assertTrue(pother.compareTo(p) > 0);
assertTrue(p.compareTo(pother) < 0);
}
@Test
public void testEmptyNullComponents() throws Exception {
// LUCENE-4724: CategoryPath should not allow empty or null components
String[][] components_tests = new String[][] {
new String[] { "", "test" }, // empty in the beginning
new String[] { "test", "" }, // empty in the end
new String[] { "test", "", "foo" }, // empty in the middle
new String[] { null, "test" }, // null at the beginning
new String[] { "test", null }, // null in the end
new String[] { "test", null, "foo" }, // null in the middle
};
// empty or null components should not be allowed.
for (String[] components : components_tests) {
expectThrows(IllegalArgumentException.class, () -> {
new FacetLabel(components);
});
expectThrows(IllegalArgumentException.class, () -> {
new FacetField("dim", components);
});
expectThrows(IllegalArgumentException.class, () -> {
new AssociationFacetField(new BytesRef(), "dim", components);
});
expectThrows(IllegalArgumentException.class, () -> {
new IntAssociationFacetField(17, "dim", components);
});
expectThrows(IllegalArgumentException.class, () -> {
new FloatAssociationFacetField(17.0f, "dim", components);
});
}
expectThrows(IllegalArgumentException.class, () -> {
new FacetField(null, new String[] {"abc"});
});
expectThrows(IllegalArgumentException.class, () -> {
new FacetField("", new String[] {"abc"});
});
expectThrows(IllegalArgumentException.class, () -> {
new IntAssociationFacetField(17, null, new String[] {"abc"});
});
expectThrows(IllegalArgumentException.class, () -> {
new IntAssociationFacetField(17, "", new String[] {"abc"});
});
expectThrows(IllegalArgumentException.class, () -> {
new FloatAssociationFacetField(17.0f, null, new String[] {"abc"});
});
expectThrows(IllegalArgumentException.class, () -> {
new FloatAssociationFacetField(17.0f, "", new String[] {"abc"});
});
expectThrows(IllegalArgumentException.class, () -> {
new AssociationFacetField(new BytesRef(), null, new String[] {"abc"});
});
expectThrows(IllegalArgumentException.class, () -> {
new AssociationFacetField(new BytesRef(), "", new String[] {"abc"});
});
expectThrows(IllegalArgumentException.class, () -> {
new SortedSetDocValuesFacetField(null, "abc");
});
expectThrows(IllegalArgumentException.class, () -> {
new SortedSetDocValuesFacetField("", "abc");
});
expectThrows(IllegalArgumentException.class, () -> {
new SortedSetDocValuesFacetField("dim", null);
});
expectThrows(IllegalArgumentException.class, () -> {
new SortedSetDocValuesFacetField("dim", "");
});
}
@Test
public void testLongPath() throws Exception {
String bigComp = null;
while (true) {
int len = FacetLabel.MAX_CATEGORY_PATH_LENGTH;
bigComp = TestUtil.randomSimpleString(random(), len, len);
if (bigComp.indexOf('\u001f') != -1) {
continue;
}
break;
}
// long paths should not be allowed
final String longPath = bigComp;
expectThrows(IllegalArgumentException.class, () -> {
new FacetLabel("dim", longPath);
});
}
}