// Copyright (c) 2014 Couchbase, Inc. // Licensed 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 collectors import ( "testing" "golang.org/x/net/context" "github.com/blevesearch/bleve/search" ) func TestTop10Scores(t *testing.T) { // a stub search with more than 10 matches // the top-10 scores are > 10 // everything else is less than 10 searcher := &stubSearcher{ matches: []*search.DocumentMatchInternal{ &search.DocumentMatchInternal{ ID: testInternalId("a"), Score: 11, }, &search.DocumentMatchInternal{ ID: testInternalId("b"), Score: 9, }, &search.DocumentMatchInternal{ ID: testInternalId("c"), Score: 11, }, &search.DocumentMatchInternal{ ID: testInternalId("d"), Score: 9, }, &search.DocumentMatchInternal{ ID: testInternalId("e"), Score: 11, }, &search.DocumentMatchInternal{ ID: testInternalId("f"), Score: 9, }, &search.DocumentMatchInternal{ ID: testInternalId("g"), Score: 11, }, &search.DocumentMatchInternal{ ID: testInternalId("h"), Score: 9, }, &search.DocumentMatchInternal{ ID: testInternalId("i"), Score: 11, }, &search.DocumentMatchInternal{ ID: testInternalId("j"), Score: 11, }, &search.DocumentMatchInternal{ ID: testInternalId("k"), Score: 11, }, &search.DocumentMatchInternal{ ID: testInternalId("l"), Score: 99, }, &search.DocumentMatchInternal{ ID: testInternalId("m"), Score: 11, }, &search.DocumentMatchInternal{ ID: testInternalId("n"), Score: 11, }, }, } collector := NewTopScorerCollector(10) err := collector.Collect(context.Background(), searcher, &stubReader{}) if err != nil { t.Fatal(err) } maxScore := collector.MaxScore() if maxScore != 99.0 { t.Errorf("expected max score 99.0, got %f", maxScore) } total := collector.Total() if total != 14 { t.Errorf("expected 14 total results, got %d", total) } results := collector.Results() if len(results) != 10 { t.Fatalf("expected 10 results, got %d", len(results)) } if results[0].ID != "l" { t.Errorf("expected first result to have ID 'l', got %s", results[0].ID) } if results[0].Score != 99.0 { t.Errorf("expected highest score to be 99.0, got %f", results[0].Score) } minScore := 1000.0 for _, result := range results { if result.Score < minScore { minScore = result.Score } } if minScore < 10 { t.Errorf("expected minimum score to be higher than 10, got %f", minScore) } } func TestTop10ScoresSkip10(t *testing.T) { // a stub search with more than 10 matches // the top-10 scores are > 10 // everything else is less than 10 searcher := &stubSearcher{ matches: []*search.DocumentMatchInternal{ &search.DocumentMatchInternal{ ID: testInternalId("a"), Score: 11, }, &search.DocumentMatchInternal{ ID: testInternalId("b"), Score: 9.5, }, &search.DocumentMatchInternal{ ID: testInternalId("c"), Score: 11, }, &search.DocumentMatchInternal{ ID: testInternalId("d"), Score: 9, }, &search.DocumentMatchInternal{ ID: testInternalId("e"), Score: 11, }, &search.DocumentMatchInternal{ ID: testInternalId("f"), Score: 9, }, &search.DocumentMatchInternal{ ID: testInternalId("g"), Score: 11, }, &search.DocumentMatchInternal{ ID: testInternalId("h"), Score: 9, }, &search.DocumentMatchInternal{ ID: testInternalId("i"), Score: 11, }, &search.DocumentMatchInternal{ ID: testInternalId("j"), Score: 11, }, &search.DocumentMatchInternal{ ID: testInternalId("k"), Score: 11, }, &search.DocumentMatchInternal{ ID: testInternalId("l"), Score: 99, }, &search.DocumentMatchInternal{ ID: testInternalId("m"), Score: 11, }, &search.DocumentMatchInternal{ ID: testInternalId("n"), Score: 11, }, }, } collector := NewTopScorerSkipCollector(10, 10) err := collector.Collect(context.Background(), searcher, &stubReader{}) if err != nil { t.Fatal(err) } maxScore := collector.MaxScore() if maxScore != 99.0 { t.Errorf("expected max score 99.0, got %f", maxScore) } total := collector.Total() if total != 14 { t.Errorf("expected 14 total results, got %d", total) } results := collector.Results() if len(results) != 4 { t.Fatalf("expected 4 results, got %d", len(results)) } if results[0].ID != "b" { t.Errorf("expected first result to have ID 'b', got %s", results[0].ID) } if results[0].Score != 9.5 { t.Errorf("expected highest score to be 9.5ß, got %f", results[0].Score) } } func TestPaginationSameScores(t *testing.T) { // a stub search with more than 10 matches // all documents have the same score searcher := &stubSearcher{ matches: []*search.DocumentMatchInternal{ &search.DocumentMatchInternal{ ID: testInternalId("a"), Score: 5, }, &search.DocumentMatchInternal{ ID: testInternalId("b"), Score: 5, }, &search.DocumentMatchInternal{ ID: testInternalId("c"), Score: 5, }, &search.DocumentMatchInternal{ ID: testInternalId("d"), Score: 5, }, &search.DocumentMatchInternal{ ID: testInternalId("e"), Score: 5, }, &search.DocumentMatchInternal{ ID: testInternalId("f"), Score: 5, }, &search.DocumentMatchInternal{ ID: testInternalId("g"), Score: 5, }, &search.DocumentMatchInternal{ ID: testInternalId("h"), Score: 5, }, &search.DocumentMatchInternal{ ID: testInternalId("i"), Score: 5, }, &search.DocumentMatchInternal{ ID: testInternalId("j"), Score: 5, }, &search.DocumentMatchInternal{ ID: testInternalId("k"), Score: 5, }, &search.DocumentMatchInternal{ ID: testInternalId("l"), Score: 5, }, &search.DocumentMatchInternal{ ID: testInternalId("m"), Score: 5, }, &search.DocumentMatchInternal{ ID: testInternalId("n"), Score: 5, }, }, } // first get first 5 hits collector := NewTopScorerSkipCollector(5, 0) err := collector.Collect(context.Background(), searcher, &stubReader{}) if err != nil { t.Fatal(err) } total := collector.Total() if total != 14 { t.Errorf("expected 14 total results, got %d", total) } results := collector.Results() if len(results) != 5 { t.Fatalf("expected 5 results, got %d", len(results)) } firstResults := make(map[string]struct{}) for _, hit := range results { firstResults[hit.ID] = struct{}{} } // a stub search with more than 10 matches // all documents have the same score searcher = &stubSearcher{ matches: []*search.DocumentMatchInternal{ &search.DocumentMatchInternal{ ID: testInternalId("a"), Score: 5, }, &search.DocumentMatchInternal{ ID: testInternalId("b"), Score: 5, }, &search.DocumentMatchInternal{ ID: testInternalId("c"), Score: 5, }, &search.DocumentMatchInternal{ ID: testInternalId("d"), Score: 5, }, &search.DocumentMatchInternal{ ID: testInternalId("e"), Score: 5, }, &search.DocumentMatchInternal{ ID: testInternalId("f"), Score: 5, }, &search.DocumentMatchInternal{ ID: testInternalId("g"), Score: 5, }, &search.DocumentMatchInternal{ ID: testInternalId("h"), Score: 5, }, &search.DocumentMatchInternal{ ID: testInternalId("i"), Score: 5, }, &search.DocumentMatchInternal{ ID: testInternalId("j"), Score: 5, }, &search.DocumentMatchInternal{ ID: testInternalId("k"), Score: 5, }, &search.DocumentMatchInternal{ ID: testInternalId("l"), Score: 5, }, &search.DocumentMatchInternal{ ID: testInternalId("m"), Score: 5, }, &search.DocumentMatchInternal{ ID: testInternalId("n"), Score: 5, }, }, } // now get next 5 hits collector = NewTopScorerSkipCollector(5, 5) err = collector.Collect(context.Background(), searcher, &stubReader{}) if err != nil { t.Fatal(err) } total = collector.Total() if total != 14 { t.Errorf("expected 14 total results, got %d", total) } results = collector.Results() if len(results) != 5 { t.Fatalf("expected 5 results, got %d", len(results)) } // make sure that none of these hits repeat ones we saw in the top 5 for _, hit := range results { if _, ok := firstResults[hit.ID]; ok { t.Errorf("doc ID %s is in top 5 and next 5 result sets", hit.ID) } } } func BenchmarkTop10of100000Scores(b *testing.B) { benchHelper(10000, NewTopScorerCollector(10), b) } func BenchmarkTop100of100000Scores(b *testing.B) { benchHelper(10000, NewTopScorerCollector(100), b) } func BenchmarkTop10of1000000Scores(b *testing.B) { benchHelper(100000, NewTopScorerCollector(10), b) } func BenchmarkTop100of1000000Scores(b *testing.B) { benchHelper(100000, NewTopScorerCollector(100), b) }