6507e31787
also added flag for bounding box searcher to optionally not check boundaries. this is useful when other searchers are going to check every point anyway by some other criteria.
85 lines
2.3 KiB
Go
85 lines
2.3 KiB
Go
// Copyright (c) 2017 Couchbase, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package searcher
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import (
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"reflect"
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"testing"
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"github.com/blevesearch/bleve/index"
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"github.com/blevesearch/bleve/search"
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)
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func TestGeoPointDistanceSearcher(t *testing.T) {
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tests := []struct {
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centerLon float64
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centerLat float64
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dist float64
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field string
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want []string
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}{
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// approx 110567m per degree at equator
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{0.0, 0.0, 0, "loc", nil},
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{0.0, 0.0, 110567, "loc", []string{"a"}},
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{0.0, 0.0, 2 * 110567, "loc", []string{"a", "b"}},
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// stretching our approximation here
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{0.0, 0.0, 15 * 110567, "loc", []string{"a", "b", "c", "d", "e", "f", "g", "h", "i", "j"}},
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}
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i := setupGeo(t)
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indexReader, err := i.Reader()
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if err != nil {
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t.Error(err)
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}
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defer func() {
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err = indexReader.Close()
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if err != nil {
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t.Fatal(err)
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}
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}()
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for _, test := range tests {
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got, err := testGeoPointDistanceSearch(indexReader, test.centerLon, test.centerLat, test.dist, test.field)
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if err != nil {
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t.Fatal(err)
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}
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if !reflect.DeepEqual(got, test.want) {
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t.Errorf("expected %v, got %v for %f %f %f %s", test.want, got, test.centerLon, test.centerLat, test.dist, test.field)
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}
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}
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}
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func testGeoPointDistanceSearch(i index.IndexReader, centerLon, centerLat, dist float64, field string) ([]string, error) {
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var rv []string
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gds, err := NewGeoPointDistanceSearcher(i, centerLon, centerLat, dist, field, 1.0, search.SearcherOptions{})
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if err != nil {
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return nil, err
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}
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ctx := &search.SearchContext{
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DocumentMatchPool: search.NewDocumentMatchPool(gds.DocumentMatchPoolSize(), 0),
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}
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docMatch, err := gds.Next(ctx)
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for docMatch != nil && err == nil {
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rv = append(rv, string(docMatch.IndexInternalID))
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docMatch, err = gds.Next(ctx)
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}
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if err != nil {
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return nil, err
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}
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return rv, nil
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}
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