1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.data.cache;
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3 |
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4 | import static org.junit.Assert.assertEquals;
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5 | import static org.junit.Assert.assertFalse;
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6 |
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7 | import java.io.IOException;
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8 | import java.net.MalformedURLException;
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9 | import java.net.URL;
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10 | import java.nio.charset.StandardCharsets;
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11 |
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12 | import org.apache.commons.jcs.access.behavior.ICacheAccess;
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13 | import org.junit.Rule;
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14 | import org.junit.Test;
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15 | import org.openstreetmap.josm.data.cache.ICachedLoaderListener.LoadResult;
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16 | import org.openstreetmap.josm.testutils.JOSMTestRules;
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17 |
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18 | import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
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19 |
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20 | /**
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21 | * Unit tests for class {@link JCSCachedTileLoaderJob}.
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22 | */
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23 | public class JCSCachedTileLoaderJobTest {
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24 |
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25 | private static class TestCachedTileLoaderJob extends JCSCachedTileLoaderJob<String, CacheEntry> {
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26 | private String url;
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27 | private String key;
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28 |
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29 | TestCachedTileLoaderJob(String url, String key) throws IOException {
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30 | super(getCache(), 30000, 30000, null);
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31 |
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32 | this.url = url;
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33 | this.key = key;
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34 | }
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35 |
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36 | @Override
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37 | public String getCacheKey() {
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38 | return key;
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39 | }
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40 |
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41 | @Override
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42 | public URL getUrl() {
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43 | try {
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44 | return new URL(url);
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45 | } catch (MalformedURLException e) {
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46 | throw new RuntimeException(e);
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47 | }
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48 | }
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49 |
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50 | @Override
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51 | protected CacheEntry createCacheEntry(byte[] content) {
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52 | return new CacheEntry("dummy".getBytes(StandardCharsets.UTF_8));
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53 | }
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54 | }
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55 |
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56 | private static class Listener implements ICachedLoaderListener {
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57 | private CacheEntryAttributes attributes;
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58 | private boolean ready;
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59 | private LoadResult result;
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60 |
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61 | @Override
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62 | public synchronized void loadingFinished(CacheEntry data, CacheEntryAttributes attributes, LoadResult result) {
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63 | this.attributes = attributes;
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64 | this.ready = true;
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65 | this.result = result;
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66 | this.notifyAll();
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67 | }
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68 | }
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69 |
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70 | /**
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71 | * Setup test.
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72 | */
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73 | @Rule
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74 | @SuppressFBWarnings(value = "URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD")
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75 | public JOSMTestRules test = new JOSMTestRules().preferences();
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76 |
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77 | /**
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78 | * Test status codes
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79 | * @throws InterruptedException in case of thread interruption
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80 | * @throws IOException in case of I/O error
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81 | */
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82 | @Test
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83 | public void testStatusCodes() throws IOException, InterruptedException {
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84 | doTestStatusCode(200);
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85 | // can't test for 3xx, as httpstat.us redirects finally to 200 page
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86 | doTestStatusCode(401);
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87 | doTestStatusCode(402);
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88 | doTestStatusCode(403);
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89 | doTestStatusCode(404);
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90 | doTestStatusCode(405);
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91 | doTestStatusCode(500);
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92 | doTestStatusCode(501);
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93 | doTestStatusCode(502);
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94 | }
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95 |
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96 | /**
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97 | * Test unknown host
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98 | * @throws InterruptedException in case of thread interruption
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99 | * @throws IOException in case of I/O error
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100 | */
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101 | @Test
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102 | @SuppressFBWarnings(value = "WA_NOT_IN_LOOP")
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103 | public void testUnknownHost() throws IOException, InterruptedException {
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104 | String key = "key_unknown_host";
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105 | TestCachedTileLoaderJob job = new TestCachedTileLoaderJob("http://unkownhost.unkownhost/unkown", key);
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106 | Listener listener = new Listener();
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107 | job.submit(listener, true);
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108 | synchronized (listener) {
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109 | if (!listener.ready) {
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110 | listener.wait();
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111 | }
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112 | }
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113 | assertEquals(LoadResult.FAILURE, listener.result); // because response will be cached, and that is checked below
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114 | assertEquals("java.net.UnknownHostException: unkownhost.unkownhost", listener.attributes.getErrorMessage());
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115 |
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116 | ICacheAccess<String, CacheEntry> cache = getCache();
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117 | CacheEntry e = new CacheEntry(new byte[]{0, 1, 2, 3});
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118 | CacheEntryAttributes attributes = new CacheEntryAttributes();
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119 | attributes.setExpirationTime(2);
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120 | cache.put(key, e, attributes);
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121 |
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122 | job = new TestCachedTileLoaderJob("http://unkownhost.unkownhost/unkown", key);
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123 | listener = new Listener();
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124 | job.submit(listener, true);
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125 | synchronized (listener) {
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126 | if (!listener.ready) {
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127 | listener.wait();
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128 | }
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129 | }
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130 | assertEquals(LoadResult.SUCCESS, listener.result);
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131 | assertFalse(job.isCacheElementValid());
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132 | }
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133 |
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134 | @SuppressFBWarnings(value = "WA_NOT_IN_LOOP")
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135 | private void doTestStatusCode(int responseCode) throws IOException, InterruptedException {
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136 | TestCachedTileLoaderJob job = getStatusLoaderJob(responseCode);
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137 | Listener listener = new Listener();
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138 | job.submit(listener, true);
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139 | synchronized (listener) {
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140 | if (!listener.ready) {
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141 | listener.wait();
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142 | }
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143 | }
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144 | assertEquals(responseCode, listener.attributes.getResponseCode());
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145 | }
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146 |
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147 | private static TestCachedTileLoaderJob getStatusLoaderJob(int responseCode) throws IOException {
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148 | return new TestCachedTileLoaderJob("http://httpstat.us/" + responseCode, "key_" + responseCode);
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149 | }
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150 |
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151 | private static ICacheAccess<String, CacheEntry> getCache() throws IOException {
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152 | return JCSCacheManager.getCache("test");
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153 | }
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154 | }
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