X-Git-Url: https://git.mdrn.pl/pylucene.git/blobdiff_plain/a2e61f0c04805cfcb8706176758d1283c7e3a55c..aaeed5504b982cf3545252ab528713250aa33eed:/lucene-java-3.5.0/lucene/contrib/analyzers/common/src/test/org/apache/lucene/analysis/fa/TestPersianAnalyzer.java

diff --git a/lucene-java-3.5.0/lucene/contrib/analyzers/common/src/test/org/apache/lucene/analysis/fa/TestPersianAnalyzer.java b/lucene-java-3.5.0/lucene/contrib/analyzers/common/src/test/org/apache/lucene/analysis/fa/TestPersianAnalyzer.java
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+package org.apache.lucene.analysis.fa;
+
+/**
+ * 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.
+ */
+
+import org.apache.lucene.analysis.BaseTokenStreamTestCase;
+import org.apache.lucene.analysis.Analyzer;
+
+/**
+ * Test the Persian Analyzer
+ * 
+ */
+public class TestPersianAnalyzer extends BaseTokenStreamTestCase {
+
+  /**
+   * This test fails with NPE when the stopwords file is missing in classpath
+   */
+  public void testResourcesAvailable() {
+    new PersianAnalyzer(TEST_VERSION_CURRENT);
+  }
+
+  /**
+   * This test shows how the combination of tokenization (breaking on zero-width
+   * non-joiner), normalization (such as treating arabic YEH and farsi YEH the
+   * same), and stopwords creates a light-stemming effect for verbs.
+   * 
+   * These verb forms are from http://en.wikipedia.org/wiki/Persian_grammar
+   */
+  public void testBehaviorVerbs() throws Exception {
+    Analyzer a = new PersianAnalyzer(TEST_VERSION_CURRENT);
+    // active present indicative
+    assertAnalyzesTo(a, "می‌خورد", new String[] { "خورد" });
+    // active preterite indicative
+    assertAnalyzesTo(a, "خورد", new String[] { "خورد" });
+    // active imperfective preterite indicative
+    assertAnalyzesTo(a, "می‌خورد", new String[] { "خورد" });
+    // active future indicative
+    assertAnalyzesTo(a, "خواهد خورد", new String[] { "خورد" });
+    // active present progressive indicative
+    assertAnalyzesTo(a, "دارد می‌خورد", new String[] { "خورد" });
+    // active preterite progressive indicative
+    assertAnalyzesTo(a, "داشت می‌خورد", new String[] { "خورد" });
+
+    // active perfect indicative
+    assertAnalyzesTo(a, "خورده‌است", new String[] { "خورده" });
+    // active imperfective perfect indicative
+    assertAnalyzesTo(a, "می‌خورده‌است", new String[] { "خورده" });
+    // active pluperfect indicative
+    assertAnalyzesTo(a, "خورده بود", new String[] { "خورده" });
+    // active imperfective pluperfect indicative
+    assertAnalyzesTo(a, "می‌خورده بود", new String[] { "خورده" });
+    // active preterite subjunctive
+    assertAnalyzesTo(a, "خورده باشد", new String[] { "خورده" });
+    // active imperfective preterite subjunctive
+    assertAnalyzesTo(a, "می‌خورده باشد", new String[] { "خورده" });
+    // active pluperfect subjunctive
+    assertAnalyzesTo(a, "خورده بوده باشد", new String[] { "خورده" });
+    // active imperfective pluperfect subjunctive
+    assertAnalyzesTo(a, "می‌خورده بوده باشد", new String[] { "خورده" });
+    // passive present indicative
+    assertAnalyzesTo(a, "خورده می‌شود", new String[] { "خورده" });
+    // passive preterite indicative
+    assertAnalyzesTo(a, "خورده شد", new String[] { "خورده" });
+    // passive imperfective preterite indicative
+    assertAnalyzesTo(a, "خورده می‌شد", new String[] { "خورده" });
+    // passive perfect indicative
+    assertAnalyzesTo(a, "خورده شده‌است", new String[] { "خورده" });
+    // passive imperfective perfect indicative
+    assertAnalyzesTo(a, "خورده می‌شده‌است", new String[] { "خورده" });
+    // passive pluperfect indicative
+    assertAnalyzesTo(a, "خورده شده بود", new String[] { "خورده" });
+    // passive imperfective pluperfect indicative
+    assertAnalyzesTo(a, "خورده می‌شده بود", new String[] { "خورده" });
+    // passive future indicative
+    assertAnalyzesTo(a, "خورده خواهد شد", new String[] { "خورده" });
+    // passive present progressive indicative
+    assertAnalyzesTo(a, "دارد خورده می‌شود", new String[] { "خورده" });
+    // passive preterite progressive indicative
+    assertAnalyzesTo(a, "داشت خورده می‌شد", new String[] { "خورده" });
+    // passive present subjunctive
+    assertAnalyzesTo(a, "خورده شود", new String[] { "خورده" });
+    // passive preterite subjunctive
+    assertAnalyzesTo(a, "خورده شده باشد", new String[] { "خورده" });
+    // passive imperfective preterite subjunctive
+    assertAnalyzesTo(a, "خورده می‌شده باشد", new String[] { "خورده" });
+    // passive pluperfect subjunctive
+    assertAnalyzesTo(a, "خورده شده بوده باشد", new String[] { "خورده" });
+    // passive imperfective pluperfect subjunctive
+    assertAnalyzesTo(a, "خورده می‌شده بوده باشد", new String[] { "خورده" });
+
+    // active present subjunctive
+    assertAnalyzesTo(a, "بخورد", new String[] { "بخورد" });
+  }
+
+  /**
+   * This test shows how the combination of tokenization and stopwords creates a
+   * light-stemming effect for verbs.
+   * 
+   * In this case, these forms are presented with alternative orthography, using
+   * arabic yeh and whitespace. This yeh phenomenon is common for legacy text
+   * due to some previous bugs in Microsoft Windows.
+   * 
+   * These verb forms are from http://en.wikipedia.org/wiki/Persian_grammar
+   */
+  public void testBehaviorVerbsDefective() throws Exception {
+    Analyzer a = new PersianAnalyzer(TEST_VERSION_CURRENT);
+    // active present indicative
+    assertAnalyzesTo(a, "مي خورد", new String[] { "خورد" });
+    // active preterite indicative
+    assertAnalyzesTo(a, "خورد", new String[] { "خورد" });
+    // active imperfective preterite indicative
+    assertAnalyzesTo(a, "مي خورد", new String[] { "خورد" });
+    // active future indicative
+    assertAnalyzesTo(a, "خواهد خورد", new String[] { "خورد" });
+    // active present progressive indicative
+    assertAnalyzesTo(a, "دارد مي خورد", new String[] { "خورد" });
+    // active preterite progressive indicative
+    assertAnalyzesTo(a, "داشت مي خورد", new String[] { "خورد" });
+
+    // active perfect indicative
+    assertAnalyzesTo(a, "خورده است", new String[] { "خورده" });
+    // active imperfective perfect indicative
+    assertAnalyzesTo(a, "مي خورده است", new String[] { "خورده" });
+    // active pluperfect indicative
+    assertAnalyzesTo(a, "خورده بود", new String[] { "خورده" });
+    // active imperfective pluperfect indicative
+    assertAnalyzesTo(a, "مي خورده بود", new String[] { "خورده" });
+    // active preterite subjunctive
+    assertAnalyzesTo(a, "خورده باشد", new String[] { "خورده" });
+    // active imperfective preterite subjunctive
+    assertAnalyzesTo(a, "مي خورده باشد", new String[] { "خورده" });
+    // active pluperfect subjunctive
+    assertAnalyzesTo(a, "خورده بوده باشد", new String[] { "خورده" });
+    // active imperfective pluperfect subjunctive
+    assertAnalyzesTo(a, "مي خورده بوده باشد", new String[] { "خورده" });
+    // passive present indicative
+    assertAnalyzesTo(a, "خورده مي شود", new String[] { "خورده" });
+    // passive preterite indicative
+    assertAnalyzesTo(a, "خورده شد", new String[] { "خورده" });
+    // passive imperfective preterite indicative
+    assertAnalyzesTo(a, "خورده مي شد", new String[] { "خورده" });
+    // passive perfect indicative
+    assertAnalyzesTo(a, "خورده شده است", new String[] { "خورده" });
+    // passive imperfective perfect indicative
+    assertAnalyzesTo(a, "خورده مي شده است", new String[] { "خورده" });
+    // passive pluperfect indicative
+    assertAnalyzesTo(a, "خورده شده بود", new String[] { "خورده" });
+    // passive imperfective pluperfect indicative
+    assertAnalyzesTo(a, "خورده مي شده بود", new String[] { "خورده" });
+    // passive future indicative
+    assertAnalyzesTo(a, "خورده خواهد شد", new String[] { "خورده" });
+    // passive present progressive indicative
+    assertAnalyzesTo(a, "دارد خورده مي شود", new String[] { "خورده" });
+    // passive preterite progressive indicative
+    assertAnalyzesTo(a, "داشت خورده مي شد", new String[] { "خورده" });
+    // passive present subjunctive
+    assertAnalyzesTo(a, "خورده شود", new String[] { "خورده" });
+    // passive preterite subjunctive
+    assertAnalyzesTo(a, "خورده شده باشد", new String[] { "خورده" });
+    // passive imperfective preterite subjunctive
+    assertAnalyzesTo(a, "خورده مي شده باشد", new String[] { "خورده" });
+    // passive pluperfect subjunctive
+    assertAnalyzesTo(a, "خورده شده بوده باشد", new String[] { "خورده" });
+    // passive imperfective pluperfect subjunctive
+    assertAnalyzesTo(a, "خورده مي شده بوده باشد", new String[] { "خورده" });
+
+    // active present subjunctive
+    assertAnalyzesTo(a, "بخورد", new String[] { "بخورد" });
+  }
+
+  /**
+   * This test shows how the combination of tokenization (breaking on zero-width
+   * non-joiner or space) and stopwords creates a light-stemming effect for
+   * nouns, removing the plural -ha.
+   */
+  public void testBehaviorNouns() throws Exception {
+    Analyzer a = new PersianAnalyzer(TEST_VERSION_CURRENT);
+    assertAnalyzesTo(a, "برگ ها", new String[] { "برگ" });
+    assertAnalyzesTo(a, "برگ‌ها", new String[] { "برگ" });
+  }
+
+  /**
+   * Test showing that non-persian text is treated very much like SimpleAnalyzer
+   * (lowercased, etc)
+   */
+  public void testBehaviorNonPersian() throws Exception {
+    Analyzer a = new PersianAnalyzer(TEST_VERSION_CURRENT);
+    assertAnalyzesTo(a, "English test.", new String[] { "english", "test" });
+  }
+  
+  /**
+   * Basic test ensuring that reusableTokenStream works correctly.
+   */
+  public void testReusableTokenStream() throws Exception {
+    Analyzer a = new PersianAnalyzer(TEST_VERSION_CURRENT);
+    assertAnalyzesToReuse(a, "خورده مي شده بوده باشد", new String[] { "خورده" });
+    assertAnalyzesToReuse(a, "برگ‌ها", new String[] { "برگ" });
+  }
+  
+  /**
+   * Test that custom stopwords work, and are not case-sensitive.
+   */
+  public void testCustomStopwords() throws Exception {
+    PersianAnalyzer a = new PersianAnalyzer(TEST_VERSION_CURRENT, new String[] { "the", "and", "a" });
+    assertAnalyzesTo(a, "The quick brown fox.", new String[] { "quick",
+        "brown", "fox" });
+  }
+  
+  /** blast some random strings through the analyzer */
+  public void testRandomStrings() throws Exception {
+    checkRandomData(random, new PersianAnalyzer(TEST_VERSION_CURRENT), 10000*RANDOM_MULTIPLIER);
+  }
+}