Package org.apache.lucene.search.suggest

Examples of org.apache.lucene.search.suggest.Input

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  public void testEndingSpace() throws Exception {
    Analyzer a = new MockAnalyzer(random());
    AnalyzingSuggester suggester = new AnalyzingSuggester(a, a, AnalyzingSuggester.PRESERVE_SEP, 256, -1, true);
    suggester.build(new InputArrayIterator(new Input[] {
          new Input("i love lucy", 7),
          new Input("isla de muerta", 8),
        }));
    assertEquals("[isla de muerta/8, i love lucy/7]", suggester.lookup("i", false, 3).toString());
    assertEquals("[i love lucy/7]", suggester.lookup("i ", false, 3).toString());
  }
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          };
        }
      };

    AnalyzingSuggester suggester = new AnalyzingSuggester(a, a, 0, 256, 1, true);
    suggester.build(new InputArrayIterator(new Input[] {new Input("a", 1)}));
    assertEquals("[a/1]", suggester.lookup("a", false, 1).toString());
  }
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  public void testIllegalLookupArgument() throws Exception {
    Analyzer a = new MockAnalyzer(random());
    AnalyzingSuggester suggester = new AnalyzingSuggester(a, a, 0, 256, -1, true);
    suggester.build(new InputArrayIterator(new Input[] {
        new Input("а где Люси?", 7),
    }));
    try {
      suggester.lookup("а\u001E", false, 3);
      fail("should throw IllegalArgumentException");
    } catch (IllegalArgumentException e) {
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  public void testRandomEdits() throws IOException {
    List<Input> keys = new ArrayList<Input>();
    int numTerms = atLeast(100);
    for (int i = 0; i < numTerms; i++) {
      keys.add(new Input("boo" + _TestUtil.randomSimpleString(random()), 1 + random().nextInt(100)));
    }
    keys.add(new Input("foo bar boo far", 12));
    MockAnalyzer analyzer = new MockAnalyzer(random(), MockTokenizer.KEYWORD, false);
    FuzzySuggester suggester = new FuzzySuggester(analyzer, analyzer, FuzzySuggester.EXACT_FIRST | FuzzySuggester.PRESERVE_SEP, 256, -1, true, FuzzySuggester.DEFAULT_MAX_EDITS, FuzzySuggester.DEFAULT_TRANSPOSITIONS,
                                                  0, FuzzySuggester.DEFAULT_MIN_FUZZY_LENGTH, FuzzySuggester.DEFAULT_UNICODE_AWARE);
    suggester.build(new InputArrayIterator(keys));
    int numIters = atLeast(10);
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  public void testNonLatinRandomEdits() throws IOException {
    List<Input> keys = new ArrayList<Input>();
    int numTerms = atLeast(100);
    for (int i = 0; i < numTerms; i++) {
      keys.add(new Input("буу" + _TestUtil.randomSimpleString(random()), 1 + random().nextInt(100)));
    }
    keys.add(new Input("фуу бар буу фар", 12));
    MockAnalyzer analyzer = new MockAnalyzer(random(), MockTokenizer.KEYWORD, false);
    FuzzySuggester suggester = new FuzzySuggester(analyzer, analyzer, FuzzySuggester.EXACT_FIRST | FuzzySuggester.PRESERVE_SEP, 256, -1, true, FuzzySuggester.DEFAULT_MAX_EDITS, FuzzySuggester.DEFAULT_TRANSPOSITIONS,
        0, FuzzySuggester.DEFAULT_MIN_FUZZY_LENGTH, true);
    suggester.build(new InputArrayIterator(keys));
    int numIters = atLeast(10);
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    }
  }

  /** this is basically the WFST test ported to KeywordAnalyzer. so it acts the same */
  public void testKeyword() throws Exception {
    Input keys[] = new Input[] {
        new Input("foo", 50),
        new Input("bar", 10),
        new Input("barbar", 12),
        new Input("barbara", 6)
    };
   
    FuzzySuggester suggester = new FuzzySuggester(new MockAnalyzer(random(), MockTokenizer.KEYWORD, false));
    suggester.build(new InputArrayIterator(keys));
   
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  /**
   * basic "standardanalyzer" test with stopword removal
   */
  public void testStandard() throws Exception {
    Input keys[] = new Input[] {
        new Input("the ghost of christmas past", 50),
    };
   
    Analyzer standard = new MockAnalyzer(random(), MockTokenizer.WHITESPACE, true, MockTokenFilter.ENGLISH_STOPSET);
    FuzzySuggester suggester = new FuzzySuggester(standard, standard, AnalyzingSuggester.EXACT_FIRST | AnalyzingSuggester.PRESERVE_SEP, 256, -1, false, FuzzySuggester.DEFAULT_MAX_EDITS, FuzzySuggester.DEFAULT_TRANSPOSITIONS,
        FuzzySuggester.DEFAULT_NON_FUZZY_PREFIX, FuzzySuggester.DEFAULT_MIN_FUZZY_LENGTH, FuzzySuggester.DEFAULT_UNICODE_AWARE);
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    assertEquals(50, results.get(0).value, 0.01F);
  }

  public void testNoSeps() throws Exception {
    Input[] keys = new Input[] {
      new Input("ab cd", 0),
      new Input("abcd", 1),
    };

    int options = 0;

    Analyzer a = new MockAnalyzer(random());
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          }
        };
      }
    };

    Input keys[] = new Input[] {
        new Input("wifi network is slow", 50),
        new Input("wi fi network is fast", 10),
    };
    FuzzySuggester suggester = new FuzzySuggester(analyzer);
    suggester.build(new InputArrayIterator(keys));
   
    List<LookupResult> results = suggester.lookup("wifi network", false, 10);
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          }
        };
      }
    };

    Input keys[] = new Input[] {
        new Input("ab xc", 50),
        new Input("ba xd", 50),
    };
    FuzzySuggester suggester = new FuzzySuggester(analyzer);
    suggester.build(new InputArrayIterator(keys));
    List<LookupResult> results = suggester.lookup("ab x", false, 1);
    assertTrue(results.size() == 1);
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Related Classes of org.apache.lucene.search.suggest.Input

  • org.apache.lucene.search.suggest.analyzing.AnalyzingInfixSuggesterTest
  • org.apache.lucene.search.suggest.analyzing.AnalyzingSuggesterTest
  • org.apache.lucene.search.suggest.analyzing.BlendedInfixSuggesterTest
  • org.apache.lucene.search.suggest.analyzing.FuzzySuggesterTest
  • org.apache.lucene.search.suggest.analyzing.TestFreeTextSuggester
  • org.apache.lucene.search.suggest.fst.WFSTCompletionTest
  • org.apache.lucene.util.BytesRef
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