/*
* 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.isis.core.runtime.services;
import java.util.List;
import java.util.Map;
import java.util.Set;
import com.google.common.collect.Lists;
import com.google.common.collect.Sets;
import org.junit.Assert;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import static org.hamcrest.CoreMatchers.is;
public class DeweyOrderUtilTest {
@Rule
public ExpectedException expectedException = ExpectedException.none();
@Test
public void emptySet() throws Exception {
assertThatSorting(
ofS(),
ofL());
}
@Test
public void singleElement() throws Exception {
assertThatSorting(
ofS(el("1", "aaa")),
ofL(el("1", "aaa")));
}
@Test
public void inOrder() throws Exception {
assertThatSorting(
ofS(el("1", "aaa"), el("2", "bbb")),
ofL(el("1", "aaa"), el("2", "bbb")));
}
@Test
public void notInOrder() throws Exception {
assertThatSorting(
ofS(el("2", "bbb"), el("1", "aaa")),
ofL(el("1", "aaa"), el("2", "bbb")));
}
@Test
public void notInOrderDepth2() throws Exception {
assertThatSorting(
ofS(el("1.2", "bbb"), el("1.1", "aaa")),
ofL(el("1.1", "aaa"), el("1.2", "bbb")));
}
@Test
public void differentDepths() throws Exception {
assertThatSorting(
ofS(el("2", "aaa"), el("1.3", "aaa"), el("1.2", "aaa"), el("1.2.2", "ccc"), el("1.2.1", "bbb"), el("1.1", "aaa")),
ofL(el("1.1", "aaa"), el("1.2.1", "bbb"), el("1.2.2", "ccc"), el("1.2", "aaa"), el("1.3", "aaa"), el("2", "aaa")));
}
@Test
public void mismatchedDepth3() throws Exception {
assertThatSorting(
ofS(el("1.2.2", "ccc"), el("1.2.1", "bbb"), el("1.1", "aaa")),
ofL(el("1.1", "aaa"), el("1.2.1", "bbb"), el("1.2.2", "ccc")));
}
private void assertThatSorting(Set<Map.Entry<String, Object>> input, List<Map.Entry<String, Object>> expected) {
final List<Map.Entry<String, Object>> list = DeweyOrderUtil.deweySorted(input);
Assert.assertThat(list, is(expected));
}
private static Set<Map.Entry<String, Object>> ofS(String[]... str) {
final Set seq = Sets.<Map.Entry<String,Object>>newLinkedHashSet();
for (String[] strings : str) {
if(strings.length != 2) {
throw new IllegalArgumentException("array must have 2 elements");
}
seq.add(new MapEntry<String, Object>(strings[0], (Object) strings[1]));
}
return seq;
}
private static List<Map.Entry<String, Object>> ofL(String[]... str) {
return Lists.newArrayList(ofS(str));
}
private static String[] el(String a, String b) {
return new String[]{a, b};
}
}