| /* |
| * 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.nutch.net.urlnormalizer.regex; |
| |
| import java.lang.invoke.MethodHandles; |
| import java.io.BufferedReader; |
| import java.io.File; |
| import java.io.FileFilter; |
| import java.io.FileInputStream; |
| import java.io.FileReader; |
| import java.io.IOException; |
| import java.io.InputStreamReader; |
| import java.util.*; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.nutch.net.URLNormalizers; |
| import org.apache.nutch.util.NutchConfiguration; |
| |
| /** Unit tests for RegexUrlNormalizer. */ |
| public class TestRegexURLNormalizer { |
| private static final Logger LOG = LoggerFactory |
| .getLogger(MethodHandles.lookup().lookupClass()); |
| |
| private RegexURLNormalizer normalizer; |
| private Configuration conf; |
| private Map<String, NormalizedURL[]> testData = new HashMap<String, NormalizedURL[]>(); |
| |
| // This system property is defined in ./src/plugin/build-plugin.xml |
| private String sampleDir = System.getProperty("test.data", "."); |
| |
| // Make sure sample files are copied to "test.data" as specified in |
| // ./src/plugin/urlnormalizer-regex/build.xml during plugin compilation. |
| |
| public TestRegexURLNormalizer() throws IOException { |
| normalizer = new RegexURLNormalizer(); |
| conf = NutchConfiguration.create(); |
| normalizer.setConf(conf); |
| File[] configs = new File(sampleDir).listFiles(new FileFilter() { |
| public boolean accept(File f) { |
| if (f.getName().endsWith(".xml") |
| && f.getName().startsWith("regex-normalize-")) |
| return true; |
| return false; |
| } |
| }); |
| for (int i = 0; i < configs.length; i++) { |
| try { |
| FileReader reader = new FileReader(configs[i]); |
| String cname = configs[i].getName(); |
| cname = cname.substring(16, cname.indexOf(".xml")); |
| normalizer.setConfiguration(reader, cname); |
| NormalizedURL[] urls = readTestFile(cname); |
| testData.put(cname, urls); |
| } catch (Exception e) { |
| LOG.warn("Could load config from '" + configs[i] + "': " + e.toString()); |
| } |
| } |
| } |
| |
| @Test |
| public void testNormalizerDefault() throws Exception { |
| normalizeTest((NormalizedURL[]) testData.get(URLNormalizers.SCOPE_DEFAULT), |
| URLNormalizers.SCOPE_DEFAULT); |
| } |
| |
| @Test |
| public void testNormalizerScope() throws Exception { |
| Iterator<String> it = testData.keySet().iterator(); |
| while (it.hasNext()) { |
| String scope = it.next(); |
| normalizeTest((NormalizedURL[]) testData.get(scope), scope); |
| } |
| } |
| |
| private void normalizeTest(NormalizedURL[] urls, String scope) |
| throws Exception { |
| for (int i = 0; i < urls.length; i++) { |
| String url = urls[i].url; |
| String normalized = normalizer.normalize(urls[i].url, scope); |
| String expected = urls[i].expectedURL; |
| LOG.info("scope: " + scope + " url: " + url + " | normalized: " |
| + normalized + " | expected: " + expected); |
| Assert.assertEquals(urls[i].expectedURL, normalized); |
| } |
| } |
| |
| private void bench(int loops, String scope) { |
| long start = System.currentTimeMillis(); |
| try { |
| NormalizedURL[] expected = (NormalizedURL[]) testData.get(scope); |
| if (expected == null) |
| return; |
| for (int i = 0; i < loops; i++) { |
| normalizeTest(expected, scope); |
| } |
| } catch (Exception e) { |
| Assert.fail(e.toString()); |
| } |
| LOG.info("bench time (" + loops + ") " |
| + (System.currentTimeMillis() - start) + "ms"); |
| } |
| |
| private static class NormalizedURL { |
| String url; |
| String expectedURL; |
| |
| public NormalizedURL(String line) { |
| String[] fields = line.split("\\s+"); |
| url = fields[0]; |
| expectedURL = fields[1]; |
| } |
| } |
| |
| private NormalizedURL[] readTestFile(String scope) throws IOException { |
| File f = new File(sampleDir, "regex-normalize-" + scope + ".test"); |
| @SuppressWarnings("resource") |
| BufferedReader in = new BufferedReader(new InputStreamReader( |
| new FileInputStream(f), "UTF-8")); |
| List<NormalizedURL> list = new ArrayList<NormalizedURL>(); |
| String line; |
| while ((line = in.readLine()) != null) { |
| if (line.trim().length() == 0 || line.startsWith("#") |
| || line.startsWith(" ")) |
| continue; |
| list.add(new NormalizedURL(line)); |
| } |
| return (NormalizedURL[]) list.toArray(new NormalizedURL[list.size()]); |
| } |
| |
| public static void main(String[] args) throws Exception { |
| if (args.length == 0) { |
| System.err.println("TestRegexURLNormalizer [-bench <iter>] <scope>"); |
| System.exit(-1); |
| } |
| boolean bench = false; |
| int iter = -1; |
| String scope = null; |
| for (int i = 0; i < args.length; i++) { |
| if (args[i].equals("-bench")) { |
| bench = true; |
| iter = Integer.parseInt(args[++i]); |
| } else |
| scope = args[i]; |
| } |
| if (scope == null) { |
| System.err.println("Missing required scope name."); |
| System.exit(-1); |
| } |
| if (bench && iter < 0) { |
| System.err.println("Invalid number of iterations: " + iter); |
| System.exit(-1); |
| } |
| TestRegexURLNormalizer test = new TestRegexURLNormalizer(); |
| NormalizedURL[] urls = (NormalizedURL[]) test.testData.get(scope); |
| if (urls == null) { |
| LOG.warn("Missing test data for scope '" + scope |
| + "', using default scope."); |
| scope = URLNormalizers.SCOPE_DEFAULT; |
| urls = (NormalizedURL[]) test.testData.get(scope); |
| } |
| if (bench) { |
| test.bench(iter, scope); |
| } else { |
| test.normalizeTest(urls, scope); |
| } |
| } |
| |
| } |