2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.yangtools.yang.data.impl.codec.xml;
10 import static org.junit.Assert.assertEquals;
11 import static org.junit.Assert.assertThat;
13 import com.google.common.collect.Iterables;
14 import com.google.common.collect.Lists;
15 import com.google.common.collect.Sets;
18 import java.util.Date;
19 import java.util.List;
21 import org.hamcrest.CoreMatchers;
22 import org.junit.Test;
23 import org.opendaylight.yangtools.yang.common.QName;
24 import org.opendaylight.yangtools.yang.common.QNameModule;
26 public class RandomPrefixTest {
29 public void testEncodeDecode() throws Exception {
30 final List<String> allGenerated = Lists.newArrayList();
31 for (int i = 0; i < RandomPrefix.MAX_COUNTER_VALUE; i++) {
32 final String encoded = RandomPrefix.encode(i);
33 assertEquals(RandomPrefix.decode(encoded), i);
34 allGenerated.add(encoded);
37 assertEquals(allGenerated.size(), RandomPrefix.MAX_COUNTER_VALUE);
38 assertEquals("zzzz", allGenerated.get(RandomPrefix.MAX_COUNTER_VALUE - 1));
39 assertEquals("a", allGenerated.get(0));
40 assertEquals("xml", allGenerated.get(RandomPrefix.decode("xml")));
41 assertEquals(allGenerated.size(), Sets.newHashSet(allGenerated).size());
45 public void testQNameWithPrefix() throws Exception {
46 final RandomPrefix a = new RandomPrefix();
48 final List<String> allGenerated = Lists.newArrayList();
49 for (int i = 0; i < RandomPrefix.MAX_COUNTER_VALUE; i++) {
50 final String prefix = RandomPrefix.encode(i);
51 final URI uri = new URI("localhost:" + prefix);
52 final QName qName = QName.create(QNameModule.create(uri, new Date()), prefix, "local-name");
53 allGenerated.add(a.encodePrefix(qName.getNamespace()));
56 assertEquals(RandomPrefix.MAX_COUNTER_VALUE, allGenerated.size());
57 // We are generating MAX_COUNTER_VALUE + 27 prefixes total, so we should encounter a reset in prefix a start from 0 at some point
58 // At the end, there should be only 27 values in RandomPrefix cache
59 assertEquals(27, Iterables.size(a.getPrefixes()));
60 assertThat(allGenerated, CoreMatchers.not(CoreMatchers.hasItem("xml")));
61 assertThat(allGenerated, CoreMatchers.not(CoreMatchers.hasItem("xmla")));
62 assertThat(allGenerated, CoreMatchers.not(CoreMatchers.hasItem("xmlz")));
64 assertEquals(2, Iterables.frequency(allGenerated, "a"));
68 public void test2QNames1Namespace() throws Exception {
69 final RandomPrefix a = new RandomPrefix();
71 final URI uri = URI.create("localhost");
72 final QName qName = QName.create(QNameModule.create(uri, new Date()), "p1", "local-name");
73 final QName qName2 = QName.create(QNameModule.create(uri, new Date()), "p2", "local-name");
75 assertEquals(a.encodePrefix(qName.getNamespace()), a.encodePrefix(qName2.getNamespace()));
79 public void testQNameNoPrefix() throws Exception {
80 final RandomPrefix a = new RandomPrefix();
82 final URI uri = URI.create("localhost");
83 QName qName = QName.create(uri, new Date(), "local-name");
84 assertEquals("a", a.encodePrefix(qName.getNamespace()));
85 qName = QName.create(QNameModule.create(uri, new Date()), "", "local-name");
86 assertEquals("a", a.encodePrefix(qName.getNamespace()));
87 qName = QName.create(QNameModule.create(URI.create("second"), new Date()), "", "local-name");
88 assertEquals("b", a.encodePrefix(qName.getNamespace()));