Ejemplo n.º 1
0
        public virtual void runTestQuery(SpatialMatchConcern concern, SpatialTestQuery q)
        {
            String msg = q.toString(); //"Query: " + q.args.toString(ctx);
            SearchResults got = executeQuery(makeQuery(q), Math.Max(100, q.ids.size() + 1));
            if (storeShape && got.numFound > 0)
            {
                //check stored value is there
                assertNotNull(got.results[0].document.Get(strategy.FieldName));
            }
            if (concern.orderIsImportant)
            {
                IEnumerator<String> ids = q.ids.GetEnumerator();
                foreach (SearchResult r in got.results)
                {
                    String id = r.document.Get("id");
                    if (!ids.MoveNext())
                    {
                        fail(msg + " :: Did not get enough results.  Expect" + q.ids + ", got: " + got.toDebugString());
                    }
                    assertEquals("out of order: " + msg, ids.Current, id);
                }

                if (ids.MoveNext())
                {
                    fail(msg + " :: expect more results then we got: " + ids.Current);
                }
            }
            else
            {
                // We are looking at how the results overlap
                if (concern.resultsAreSuperset)
                {
                    ISet<string> found = new JCG.HashSet<string>();
                    foreach (SearchResult r in got.results)
                    {
                        found.add(r.document.Get("id"));
                    }
                    foreach (String s in q.ids)
                    {
                        if (!found.contains(s))
                        {
                            fail("Results are mising id: " + s + " :: " + found);
                        }
                    }
                }
                else
                {
                    List<string> found = new List<string>();
                    foreach (SearchResult r in got.results)
                    {
                        found.Add(r.document.Get("id"));
                    }

                    // sort both so that the order is not important
                    CollectionUtil.TimSort(q.ids);
                    CollectionUtil.TimSort(found);
                    assertEquals(msg, q.ids.toString(), found.toString());
                }
            }
        }
Ejemplo n.º 2
0
        public void TestMultiWord()
        {
            FuzzyLikeThisQuery flt = new FuzzyLikeThisQuery(10, analyzer);

            flt.AddTerms("jonathin smoth", "name", 0.3f, 1);
            Query       q          = flt.Rewrite(searcher.IndexReader);
            ISet <Term> queryTerms = new JCG.HashSet <Term>();

            q.ExtractTerms(queryTerms);
            assertTrue("Should have variant jonathan", queryTerms.contains(new Term("name", "jonathan")));
            assertTrue("Should have variant smith", queryTerms.contains(new Term("name", "smith")));
            TopDocs topDocs = searcher.Search(flt, 1);

            ScoreDoc[] sd = topDocs.ScoreDocs;
            assertTrue("score docs must match 1 doc", (sd != null) && (sd.Length > 0));
            Document doc = searcher.Doc(sd[0].Doc);

            assertEquals("Should match most similar when using 2 words", "2", doc.Get("id"));
        }
Ejemplo n.º 3
0
        public void TestClosestEditDistanceMatchComesFirst()
        {
            FuzzyLikeThisQuery flt = new FuzzyLikeThisQuery(10, analyzer);

            flt.AddTerms("smith", "name", 0.3f, 1);
            Query       q          = flt.Rewrite(searcher.IndexReader);
            ISet <Term> queryTerms = new JCG.HashSet <Term>();

            q.ExtractTerms(queryTerms);
            assertTrue("Should have variant smythe", queryTerms.contains(new Term("name", "smythe")));
            assertTrue("Should have variant smith", queryTerms.contains(new Term("name", "smith")));
            assertTrue("Should have variant smyth", queryTerms.contains(new Term("name", "smyth")));
            TopDocs topDocs = searcher.Search(flt, 1);

            ScoreDoc[] sd = topDocs.ScoreDocs;
            assertTrue("score docs must match 1 doc", (sd != null) && (sd.Length > 0));
            Document doc = searcher.Doc(sd[0].Doc);

            assertEquals("Should match most similar not most rare variant", "2", doc.Get("id"));
        }
Ejemplo n.º 4
0
        public void TestDefaultFilter()
        {
            DuplicateFilter df      = new DuplicateFilter(KEY_FIELD);
            ISet <string>   results = new JCG.HashSet <string>();

            ScoreDoc[] hits = searcher.Search(tq, df, 1000).ScoreDocs;

            foreach (ScoreDoc hit in hits)
            {
                Document d   = searcher.Doc(hit.Doc);
                string   url = d.Get(KEY_FIELD);
                assertFalse("No duplicate urls should be returned", results.contains(url));
                results.add(url);
            }
        }
        private void checkHits(SpatialArgs args, int assertNumFound, int[] assertIds)
        {
            SearchResults got = executeQuery(strategy.MakeQuery(args), 100);

            assertEquals("" + args, assertNumFound, got.numFound);
            if (assertIds != null)
            {
                ISet <int?> gotIds = new JCG.HashSet <int?>();
                foreach (SearchResult result in got.results)
                {
                    gotIds.add(int.Parse(result.document.Get("id"), CultureInfo.InvariantCulture));
                }
                foreach (int assertId in assertIds)
                {
                    assertTrue("has " + assertId, gotIds.contains(assertId));
                }
            }
        }
Ejemplo n.º 6
0
        public void TestFastFilter()
        {
            DuplicateFilter df = new DuplicateFilter(KEY_FIELD);

            df.ProcessingMode = (ProcessingMode.PM_FAST_INVALIDATION);
            ISet <string> results = new JCG.HashSet <string>();

            ScoreDoc[] hits = searcher.Search(tq, df, 1000).ScoreDocs;
            assertTrue("Filtered searching should have found some matches", hits.Length > 0);

            foreach (ScoreDoc hit in hits)
            {
                Document d   = searcher.Doc(hit.Doc);
                string   url = d.Get(KEY_FIELD);
                assertFalse("No duplicate urls should be returned", results.contains(url));
                results.add(url);
            }
            assertEquals("Two urls found", 2, results.size());
        }
Ejemplo n.º 7
0
        public void TestNoFilter()
        {
            ISet <string> results = new JCG.HashSet <string>();

            ScoreDoc[] hits = searcher.Search(tq, null, 1000).ScoreDocs;
            assertTrue("Default searching should have found some matches", hits.Length > 0);
            bool dupsFound = false;

            foreach (ScoreDoc hit in hits)
            {
                Document d   = searcher.Doc(hit.Doc);
                string   url = d.Get(KEY_FIELD);
                if (!dupsFound)
                {
                    dupsFound = results.contains(url);
                }
                results.add(url);
            }
            assertTrue("Default searching should have found duplicate urls", dupsFound);
        }
Ejemplo n.º 8
0
            public object Create(Random random)
            {
                NormalizeCharMap.Builder builder = new NormalizeCharMap.Builder();
                // we can't add duplicate keys, or NormalizeCharMap gets angry
                ISet <string> keys = new JCG.HashSet <string>();
                int           num  = random.nextInt(5);

                //System.out.println("NormalizeCharMap=");
                for (int i = 0; i < num; i++)
                {
                    string key = TestUtil.RandomSimpleString(random);
                    if (!keys.contains(key) && key.Length > 0)
                    {
                        string value = TestUtil.RandomSimpleString(random);
                        builder.Add(key, value);
                        keys.add(key);
                        //System.out.println("mapping: '" + key + "' => '" + value + "'");
                    }
                }
                return(builder.Build());
            }
Ejemplo n.º 9
0
        private void _CheckHits(bool bbox, IPoint pt, double distKM, int assertNumFound, params int[] assertIds)
        {
            SpatialOperation op      = SpatialOperation.Intersects;
            double           distDEG = DistanceUtils.Dist2Degrees(distKM, DistanceUtils.EARTH_MEAN_RADIUS_KM);
            IShape           shape   = ctx.MakeCircle(pt, distDEG);

            if (bbox)
            {
                shape = shape.BoundingBox;
            }

            SpatialArgs args = new SpatialArgs(op, shape);
            //args.setDistPrecision(0.025);
            Query query;

            if (Random.nextBoolean())
            {
                query = strategy.MakeQuery(args);
            }
            else
            {
                query = new FilteredQuery(new MatchAllDocsQuery(), strategy.MakeFilter(args));
            }
            SearchResults results = executeQuery(query, 100);

            assertEquals("" + shape, assertNumFound, results.numFound);
            if (assertIds != null)
            {
                ISet <int?> resultIds = new JCG.HashSet <int?>();
                foreach (SearchResult result in results.results)
                {
                    resultIds.add(int.Parse(result.document.Get("id"), CultureInfo.InvariantCulture));
                }
                foreach (int assertId in assertIds)
                {
                    assertTrue("has " + assertId, resultIds.contains(assertId));
                }
            }
        }
Ejemplo n.º 10
0
        public void TestRandom()
        {
            string[]      terms = new string[TestUtil.NextInt32(Random, 2, 10)];
            ISet <string> seen  = new JCG.HashSet <string>();

            while (seen.size() < terms.Length)
            {
                string token = TestUtil.RandomSimpleString(Random, 1, 5);
                if (!seen.contains(token))
                {
                    terms[seen.size()] = token;
                    seen.add(token);
                }
            }

            Analyzer a = new MockAnalyzer(Random);

            int  numDocs   = AtLeast(10);
            long totTokens = 0;

            string[][] docs = new string[numDocs][];
            for (int i = 0; i < numDocs; i++)
            {
                docs[i] = new string[AtLeast(100)];
                if (Verbose)
                {
                    Console.Write("  doc " + i + ":");
                }
                for (int j = 0; j < docs[i].Length; j++)
                {
                    docs[i][j] = GetZipfToken(terms);
                    if (Verbose)
                    {
                        Console.Write(" " + docs[i][j]);
                    }
                }
                if (Verbose)
                {
                    Console.WriteLine();
                }
                totTokens += docs[i].Length;
            }

            int grams = TestUtil.NextInt32(Random, 1, 4);

            if (Verbose)
            {
                Console.WriteLine("TEST: " + terms.Length + " terms; " + numDocs + " docs; " + grams + " grams");
            }

            // Build suggester model:
            FreeTextSuggester sug = new FreeTextSuggester(a, a, grams, (byte)0x20);

            sug.Build(new TestRandomInputIterator(this, docs));

            // Build inefficient but hopefully correct model:
            List <IDictionary <string, int?> > gramCounts = new List <IDictionary <string, int?> >(grams);

            for (int gram = 0; gram < grams; gram++)
            {
                if (Verbose)
                {
                    Console.WriteLine("TEST: build model for gram=" + gram);
                }
                IDictionary <string, int?> model = new JCG.Dictionary <string, int?>();
                gramCounts.Add(model);
                foreach (string[] doc in docs)
                {
                    for (int i = 0; i < doc.Length - gram; i++)
                    {
                        StringBuilder b = new StringBuilder();
                        for (int j = i; j <= i + gram; j++)
                        {
                            if (j > i)
                            {
                                b.append(' ');
                            }
                            b.append(doc[j]);
                        }
                        string token = b.toString();
                        if (!model.TryGetValue(token, out int?curCount) || curCount == null)
                        {
                            model.Put(token, 1);
                        }
                        else
                        {
                            model.Put(token, 1 + curCount);
                        }
                        if (Verbose)
                        {
                            Console.WriteLine("  add '" + token + "' -> count=" + (model.TryGetValue(token, out int?count) ? (count.HasValue ? count.ToString() : "null") : ""));
                        }
                    }
                }
            }

            int lookups = AtLeast(100);

            for (int iter = 0; iter < lookups; iter++)
            {
                string[] tokens = new string[TestUtil.NextInt32(Random, 1, 5)];
                for (int i = 0; i < tokens.Length; i++)
                {
                    tokens[i] = GetZipfToken(terms);
                }

                // Maybe trim last token; be sure not to create the
                // empty string:
                int trimStart;
                if (tokens.Length == 1)
                {
                    trimStart = 1;
                }
                else
                {
                    trimStart = 0;
                }
                int trimAt = TestUtil.NextInt32(Random, trimStart, tokens[tokens.Length - 1].Length);
                tokens[tokens.Length - 1] = tokens[tokens.Length - 1].Substring(0, trimAt - 0);

                int           num = TestUtil.NextInt32(Random, 1, 100);
                StringBuilder b   = new StringBuilder();
                foreach (string token in tokens)
                {
                    b.append(' ');
                    b.append(token);
                }
                string query = b.toString();
                query = query.Substring(1);

                if (Verbose)
                {
                    Console.WriteLine("\nTEST: iter=" + iter + " query='" + query + "' num=" + num);
                }

                // Expected:
                List <Lookup.LookupResult> expected = new List <Lookup.LookupResult>();
                double backoff = 1.0;
                seen = new JCG.HashSet <string>();

                if (Verbose)
                {
                    Console.WriteLine("  compute expected");
                }
                for (int i = grams - 1; i >= 0; i--)
                {
                    if (Verbose)
                    {
                        Console.WriteLine("    grams=" + i);
                    }

                    if (tokens.Length < i + 1)
                    {
                        // Don't have enough tokens to use this model
                        if (Verbose)
                        {
                            Console.WriteLine("      skip");
                        }
                        continue;
                    }

                    if (i == 0 && tokens[tokens.Length - 1].Length == 0)
                    {
                        // Never suggest unigrams from empty string:
                        if (Verbose)
                        {
                            Console.WriteLine("      skip unigram priors only");
                        }
                        continue;
                    }

                    // Build up "context" ngram:
                    b = new StringBuilder();
                    for (int j = tokens.Length - i - 1; j < tokens.Length - 1; j++)
                    {
                        b.append(' ');
                        b.append(tokens[j]);
                    }
                    string context = b.toString();
                    if (context.Length > 0)
                    {
                        context = context.Substring(1);
                    }
                    if (Verbose)
                    {
                        Console.WriteLine("      context='" + context + "'");
                    }
                    long contextCount;
                    if (context.Length == 0)
                    {
                        contextCount = totTokens;
                    }
                    else
                    {
                        //int? count = gramCounts.get(i - 1).get(context);
                        var gramCount = gramCounts[i - 1];
                        if (!gramCount.TryGetValue(context, out int?count) || count == null)
                        {
                            // We never saw this context:
                            backoff *= FreeTextSuggester.ALPHA;
                            if (Verbose)
                            {
                                Console.WriteLine("      skip: never saw context");
                            }
                            continue;
                        }
                        contextCount = count.GetValueOrDefault();
                    }
                    if (Verbose)
                    {
                        Console.WriteLine("      contextCount=" + contextCount);
                    }
                    IDictionary <string, int?> model = gramCounts[i];

                    // First pass, gather all predictions for this model:
                    if (Verbose)
                    {
                        Console.WriteLine("      find terms w/ prefix=" + tokens[tokens.Length - 1]);
                    }
                    List <Lookup.LookupResult> tmp = new List <Lookup.LookupResult>();
                    foreach (string term in terms)
                    {
                        if (term.StartsWith(tokens[tokens.Length - 1], StringComparison.Ordinal))
                        {
                            if (Verbose)
                            {
                                Console.WriteLine("        term=" + term);
                            }
                            if (seen.contains(term))
                            {
                                if (Verbose)
                                {
                                    Console.WriteLine("          skip seen");
                                }
                                continue;
                            }
                            string ngram = (context + " " + term).Trim();
                            //Integer count = model.get(ngram);
                            if (model.TryGetValue(ngram, out int?count) && count != null)
                            {
                                // LUCENENET NOTE: We need to calculate this as decimal because when using double it can sometimes
                                // return numbers that are greater than long.MaxValue, which results in a negative long number.
                                // This is also the way it is being done in the FreeTextSuggester to work around the issue.
                                Lookup.LookupResult lr = new Lookup.LookupResult(ngram, (long)(long.MaxValue * ((decimal)backoff * (decimal)count / contextCount)));
                                tmp.Add(lr);
                                if (Verbose)
                                {
                                    Console.WriteLine("      add tmp key='" + lr.Key + "' score=" + lr.Value);
                                }
                            }
                        }
                    }

                    // Second pass, trim to only top N, and fold those
                    // into overall suggestions:
                    tmp.Sort(byScoreThenKey);
                    if (tmp.size() > num)
                    {
                        //tmp.subList(num, tmp.size()).clear();
                        tmp.RemoveRange(num, tmp.size() - num);
                    }
                    foreach (Lookup.LookupResult result in tmp)
                    {
                        string key = result.Key.toString();
                        int    idx = key.LastIndexOf(' ');
                        string lastToken;
                        if (idx != -1)
                        {
                            lastToken = key.Substring(idx + 1);
                        }
                        else
                        {
                            lastToken = key;
                        }
                        if (!seen.contains(lastToken))
                        {
                            seen.add(lastToken);
                            expected.Add(result);
                            if (Verbose)
                            {
                                Console.WriteLine("      keep key='" + result.Key + "' score=" + result.Value);
                            }
                        }
                    }

                    backoff *= FreeTextSuggester.ALPHA;
                }

                expected.Sort(byScoreThenKey);

                if (expected.size() > num)
                {
                    expected.RemoveRange(num, expected.size() - num);
                }

                // Actual:
                IList <Lookup.LookupResult> actual = sug.DoLookup(query, num);

                if (Verbose)
                {
                    Console.WriteLine("  expected: " + expected);
                    Console.WriteLine("    actual: " + actual);
                }

                assertEquals(expected.ToString(), actual.ToString());
            }
        }