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bleve/search/searcher/search_geopointdistance_test.go
Marty Schoch 6507e31787 improved geo searcher unit tests
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.
2017-03-29 16:57:58 -04:00

85 lines
2.3 KiB
Go

// Copyright (c) 2017 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 searcher
import (
"reflect"
"testing"
"github.com/blevesearch/bleve/index"
"github.com/blevesearch/bleve/search"
)
func TestGeoPointDistanceSearcher(t *testing.T) {
tests := []struct {
centerLon float64
centerLat float64
dist float64
field string
want []string
}{
// approx 110567m per degree at equator
{0.0, 0.0, 0, "loc", nil},
{0.0, 0.0, 110567, "loc", []string{"a"}},
{0.0, 0.0, 2 * 110567, "loc", []string{"a", "b"}},
// stretching our approximation here
{0.0, 0.0, 15 * 110567, "loc", []string{"a", "b", "c", "d", "e", "f", "g", "h", "i", "j"}},
}
i := setupGeo(t)
indexReader, err := i.Reader()
if err != nil {
t.Error(err)
}
defer func() {
err = indexReader.Close()
if err != nil {
t.Fatal(err)
}
}()
for _, test := range tests {
got, err := testGeoPointDistanceSearch(indexReader, test.centerLon, test.centerLat, test.dist, test.field)
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(got, test.want) {
t.Errorf("expected %v, got %v for %f %f %f %s", test.want, got, test.centerLon, test.centerLat, test.dist, test.field)
}
}
}
func testGeoPointDistanceSearch(i index.IndexReader, centerLon, centerLat, dist float64, field string) ([]string, error) {
var rv []string
gds, err := NewGeoPointDistanceSearcher(i, centerLon, centerLat, dist, field, 1.0, search.SearcherOptions{})
if err != nil {
return nil, err
}
ctx := &search.SearchContext{
DocumentMatchPool: search.NewDocumentMatchPool(gds.DocumentMatchPoolSize(), 0),
}
docMatch, err := gds.Next(ctx)
for docMatch != nil && err == nil {
rv = append(rv, string(docMatch.IndexInternalID))
docMatch, err = gds.Next(ctx)
}
if err != nil {
return nil, err
}
return rv, nil
}