Esempio n. 1
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        public void AutomaticallyClosesDanglingQuotes()
        {
            // arrange
            var queryText   = "title:\"dot NET version:1.2.3";
            var phraseQuery = new PhraseQuery();

            phraseQuery.Add(new Term("Title", "dot"));
            phraseQuery.Add(new Term("Title", "net"));
            phraseQuery.Add(new Term("Title", "version"));
            phraseQuery.Add(new Term("Title", "1"));
            phraseQuery.Add(new Term("Title", "2"));
            phraseQuery.Add(new Term("Title", "3"));

            var expected = new BooleanQuery
            {
                new BooleanClause(new BooleanQuery {
                    new BooleanClause(new BooleanQuery {
                        new BooleanClause(phraseQuery, Occur.SHOULD)
                    }, Occur.SHOULD)
                }, Occur.MUST)
            };

            // act
            var actual = NuGetQuery.MakeQuery(queryText);

            // assert
            Assert.Equal(expected, actual);
        }
Esempio n. 2
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        public void MakesQueriesWithProperPhrasing(string input, Query expected)
        {
            // arrange, act
            var actual = NuGetQuery.MakeQuery(input);

            // assert
            Assert.Equal(expected, actual);
        }
Esempio n. 3
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        public void MakesQueriesSupportingSupportedFields(string input, Query expected)
        {
            // act
            var actual = NuGetQuery.MakeQuery(input);

            // assert
            Assert.Equal(expected, actual);
        }
Esempio n. 4
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        public void MakesQueriesSupportingFieldAliases(string inputField, string expectedField)
        {
            // arrange
            var queryText = $"{inputField}:dot";

            // act
            var actual = NuGetQuery.MakeQuery(queryText);

            // assert
            Assert.Contains($"{expectedField}:dot", actual.ToString());
        }
Esempio n. 5
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        public void EmptyQueryMatchesAllDocuments()
        {
            // arrange
            var queryText = string.Empty;
            var expected  = new MatchAllDocsQuery();

            // act
            var actual = NuGetQuery.MakeQuery(queryText);

            // assert
            Assert.Equal(expected, actual);
        }
Esempio n. 6
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        public void CanMixTermsWithAndWithoutFieldLabels()
        {
            // arrange
            var owners = CreateOwnersResult(new Dictionary <string, HashSet <string> >
            {
                { "dot", new HashSet <string> {
                      "microsoft"
                  } }
            });

            var queryText = "dot owner:Microsoft";
            var expected  = new FilteredQuery(
                new BooleanQuery
            {
                new BooleanClause(new BooleanQuery {
                    Clauses = { new BooleanClause(new TermQuery(new Term("Id", "dot")), Occur.SHOULD) }, Boost = 8
                }, Occur.SHOULD),
                new BooleanClause(new BooleanQuery {
                    new BooleanClause(new TermQuery(new Term("ShingledId", "dot")), Occur.SHOULD)
                }, Occur.SHOULD),
                new BooleanClause(new BooleanQuery {
                    new BooleanClause(new TermQuery(new Term("TokenizedId", "dot")), Occur.SHOULD)
                }, Occur.SHOULD),
                new BooleanClause(new BooleanQuery {
                    new BooleanClause(new TermQuery(new Term("Version", "dot")), Occur.SHOULD)
                }, Occur.SHOULD),
                new BooleanClause(new BooleanQuery {
                    new BooleanClause(new TermQuery(new Term("Title", "dot")), Occur.SHOULD)
                }, Occur.SHOULD),
                new BooleanClause(new BooleanQuery {
                    new BooleanClause(new TermQuery(new Term("Description", "dot")), Occur.SHOULD)
                }, Occur.SHOULD),
                new BooleanClause(new BooleanQuery {
                    new BooleanClause(new TermQuery(new Term("Summary", "dot")), Occur.SHOULD)
                }, Occur.SHOULD),
                new BooleanClause(new BooleanQuery {
                    Clauses = { new BooleanClause(new TermQuery(new Term("Tags", "dot")), Occur.SHOULD) }, Boost = 2
                }, Occur.SHOULD),
                new BooleanClause(new BooleanQuery {
                    new BooleanClause(new TermQuery(new Term("Authors", "dot")), Occur.SHOULD)
                }, Occur.SHOULD)
            },
                new OwnersFilter(owners, "Microsoft"));

            // act
            var actual = NuGetQuery.MakeQuery(queryText, owners);

            // assert
            Assert.Equal(expected.ToString(), actual.ToString());
        }
Esempio n. 7
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        static void Test4()
        {
            Stopwatch stopwatch = new Stopwatch();

            stopwatch.Start();

            for (int i = 0; i < 10000; i++)
            {
                //Query query = LuceneQueryCreator.Parse("DotNetZip", false);
                Query query = NuGetQuery.MakeQuery("DotNetZip");
            }

            stopwatch.Stop();

            Console.WriteLine("{0} seconds", stopwatch.Elapsed.TotalSeconds);
        }
Esempio n. 8
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        public void MakesFilteredQueriesSupportingFieldAliases(string inputField, string expectedField)
        {
            // arrange
            var owners = CreateOwnersResult(new Dictionary <string, HashSet <string> >
            {
                { "dot", new HashSet <string> {
                      "dot"
                  } }
            });
            var queryText = $"{inputField}:dot";

            // act
            var actual = NuGetQuery.MakeQuery(queryText, owners);

            // assert
            Assert.Contains("filtered(*:*)->NuGet.Indexing.OwnersFilter", actual.ToString());
        }
Esempio n. 9
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        public void TreatsUnrecognizedFieldAsAnyField()
        {
            // arrange
            var queryText = "invalid:dot";
            var expected  = new BooleanQuery
            {
                new BooleanClause(new BooleanQuery {
                    Clauses = { new BooleanClause(new TermQuery(new Term("Id", "dot")), Occur.SHOULD) }, Boost = 8
                }, Occur.SHOULD),
                new BooleanClause(new BooleanQuery {
                    new BooleanClause(new TermQuery(new Term("ShingledId", "dot")), Occur.SHOULD)
                }, Occur.SHOULD),
                new BooleanClause(new BooleanQuery {
                    new BooleanClause(new TermQuery(new Term("TokenizedId", "dot")), Occur.SHOULD)
                }, Occur.SHOULD),
                new BooleanClause(new BooleanQuery {
                    new BooleanClause(new TermQuery(new Term("Version", "dot")), Occur.SHOULD)
                }, Occur.SHOULD),
                new BooleanClause(new BooleanQuery {
                    new BooleanClause(new TermQuery(new Term("Title", "dot")), Occur.SHOULD)
                }, Occur.SHOULD),
                new BooleanClause(new BooleanQuery {
                    new BooleanClause(new TermQuery(new Term("Description", "dot")), Occur.SHOULD)
                }, Occur.SHOULD),
                new BooleanClause(new BooleanQuery {
                    new BooleanClause(new TermQuery(new Term("Summary", "dot")), Occur.SHOULD)
                }, Occur.SHOULD),
                new BooleanClause(new BooleanQuery {
                    Clauses = { new BooleanClause(new TermQuery(new Term("Tags", "dot")), Occur.SHOULD) }, Boost = 2
                }, Occur.SHOULD),
                new BooleanClause(new BooleanQuery {
                    new BooleanClause(new TermQuery(new Term("Authors", "dot")), Occur.SHOULD)
                }, Occur.SHOULD)
            };

            // act
            var actual = NuGetQuery.MakeQuery(queryText);

            // assert
            Assert.Equal(expected, actual);
        }
Esempio n. 10
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        static Queue <KeyValuePair <string, JObject> > Merge(IEnumerable <Queue <KeyValuePair <string, JObject> > > results, string q)
        {
            //  (1) create a combined dictionary in order to merge results that have same id

            IDictionary <string, JObject> combined = new Dictionary <string, JObject>(StringComparer.OrdinalIgnoreCase);

            foreach (var result in results)
            {
                foreach (var item in result)
                {
                    JObject value;
                    if (combined.TryGetValue(item.Key, out value))
                    {
                        combined[item.Key] = MergeResult(value, item.Value);
                    }
                    else
                    {
                        combined.Add(item);
                    }
                }
            }

            if (combined.Count == 0)
            {
                return(new Queue <KeyValuePair <string, JObject> >());
            }

            //  (2) create an in-memory Lucene index

            //  **** NOTE: PackageAnalyzer is a class from NuGet.Indexing ****

            var directory = new RAMDirectory();

            using (var writer = new IndexWriter(directory, new PackageAnalyzer(), IndexWriter.MaxFieldLength.UNLIMITED))
            {
                foreach (var item in combined.Values)
                {
                    writer.AddDocument(CreateDocument(item));
                }
                writer.Commit();
            }

            //  (3) re-query the in-memory index

            //  **** NOTE: NuGetQuery is a class from NuGet.Indexing ****

            var searcher = new IndexSearcher(directory);
            var query    = NuGetQuery.MakeQuery(q);
            var topDocs  = searcher.Search(query, 100);

            //  (4) build a lookup of the local re-calculated ranking

            var combinedRanking = new Dictionary <string, int>(StringComparer.OrdinalIgnoreCase);
            int i = 0;

            foreach (ScoreDoc scoreDoc in topDocs.ScoreDocs)
            {
                string id = searcher.Doc(scoreDoc.Doc).Get("Id");
                combined[id]["localRank"] = i; // this is a diagnostic aid and not used in the algorithm
                combinedRanking[id]       = i++;
            }

            //  (5) now combine the results from the individual sources with a merged sort - the hashset helps filter duplicates

            var    combinedResult      = new Queue <KeyValuePair <string, JObject> >();
            var    distinctCombinedIds = new HashSet <string>(StringComparer.OrdinalIgnoreCase);
            string winner = null;

            do
            {
                winner = null;
                foreach (var result in results)
                {
                    if (result.Count == 0)
                    {
                        continue;
                    }
                    var current = result.Peek().Key;

                    if (winner == null)
                    {
                        winner = current;
                    }
                    else
                    {
                        if (combinedRanking[current] < combinedRanking[winner])
                        {
                            winner = current;
                        }
                    }
                }

                if (winner != null)
                {
                    if (!distinctCombinedIds.Contains(winner))
                    {
                        combinedResult.Enqueue(new KeyValuePair <string, JObject>(winner, combined[winner]));
                        distinctCombinedIds.Add(winner);
                    }

                    foreach (var result in results)
                    {
                        if (result.Count == 0)
                        {
                            continue;
                        }
                        if (distinctCombinedIds.Contains(result.Peek().Key))
                        {
                            result.Dequeue();
                        }
                    }
                }
            }while (winner != null);

            return(combinedResult);
        }
        public void WriteAutoCompleteResultTest(
            string indexName,
            int numDocs,
            Dictionary <string, string> commitUserData,
            int topDocsTotalHits,
            float topDocsMaxScore,
            int skip,
            int take,
            bool includeExplanation,
            string expected)
        {
            var searcher = new MockSearcher(indexName, numDocs, commitUserData);
            var topDocs  = new TopDocs(topDocsTotalHits, Constants.ScoreDocs, topDocsMaxScore);

            var sb = new StringBuilder();
            var sw = new StringWriter(sb);

            using (var writer = new JsonTextWriter(sw))
            {
                ResponseFormatter.WriteAutoCompleteResult(writer, searcher, topDocs, skip, take, includeExplanation, NuGetQuery.MakeQuery("test"));

                Assert.Equal(string.Format(expected,
                                           searcher.LastReopen,
                                           Constants.MockBase,
                                           Constants.LucenePropertyId,
                                           Constants.MockExplanationBase), sb.ToString());
            }
        }
        public void WriteSearchResultTest(
            string indexName,
            int numDocs,
            Dictionary <string, string> commitUserData,
            int topDocsTotalHits,
            float topDocsMaxScore,
            int skip,
            int take,
            bool includePrerelease,
            bool includeExplanation,
            NuGetVersion semVerlLevel,
            string scheme,
            string expectedBaseUrl,
            string expected)
        {
            var searcher = new MockSearcher(indexName, numDocs, commitUserData, versions: Constants.VersionResults);
            var topDocs  = new TopDocs(topDocsTotalHits, Constants.ScoreDocs, topDocsMaxScore);

            var sb = new StringBuilder();
            var sw = new StringWriter(sb);

            using (var writer = new JsonTextWriter(sw))
            {
                ResponseFormatter.WriteSearchResult(writer, searcher, scheme, topDocs, skip, take, includePrerelease, includeExplanation, semVerlLevel, NuGetQuery.MakeQuery("test"));

                Assert.Equal(string.Format(expected,
                                           expectedBaseUrl,
                                           searcher.LastReopen,
                                           Constants.MockBase.ToLower(),
                                           Constants.LucenePropertyId.ToLower(),
                                           Constants.MockBase,
                                           Constants.LucenePropertyId,
                                           Constants.LucenePropertyFullVersion,
                                           Constants.LucenePropertyDescription,
                                           Constants.LucenePropertySummary,
                                           Constants.LucenePropertyTitle,
                                           Constants.LucenePropertyIconUrl,
                                           Constants.LucenePropertyLicenseUrl,
                                           Constants.LucenePropertyProjectUrl), sb.ToString());
            }
        }