github.com/weaviate/weaviate@v1.24.6/adapters/repos/db/vector/compressionhelpers/compression_distance_bag_test.go (about)

     1  //                           _       _
     2  // __      _____  __ ___   ___  __ _| |_ ___
     3  // \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
     4  //  \ V  V /  __/ (_| |\ V /| | (_| | ||  __/
     5  //   \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
     6  //
     7  //  Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
     8  //
     9  //  CONTACT: hello@weaviate.io
    10  //
    11  
    12  //go:build !race
    13  
    14  package compressionhelpers_test
    15  
    16  import (
    17  	"context"
    18  	"testing"
    19  
    20  	"github.com/stretchr/testify/assert"
    21  	"github.com/weaviate/weaviate/adapters/repos/db/vector/compressionhelpers"
    22  	"github.com/weaviate/weaviate/adapters/repos/db/vector/hnsw/distancer"
    23  	testinghelpers "github.com/weaviate/weaviate/adapters/repos/db/vector/testinghelpers"
    24  )
    25  
    26  func Test_NoRaceQuantizedDistanceBag(t *testing.T) {
    27  	compressor, err := compressionhelpers.NewBQCompressor(distancer.NewCosineDistanceProvider(), 1e12, nil, testinghelpers.NewDummyStore(t))
    28  	assert.Nil(t, err)
    29  	compressor.Preload(1, []float32{-0.5, 0.5})
    30  	compressor.Preload(2, []float32{0.25, 0.7})
    31  	compressor.Preload(3, []float32{0.5, 0.5})
    32  
    33  	t.Run("returns error when id has not been loaded", func(t *testing.T) {
    34  		bag := compressor.NewBag()
    35  		_, err = bag.Distance(1, 2)
    36  		assert.NotNil(t, err)
    37  	})
    38  
    39  	t.Run("returns error when id has not been loaded", func(t *testing.T) {
    40  		bag := compressor.NewBag()
    41  		bag.Load(context.Background(), 1)
    42  		bag.Load(context.Background(), 2)
    43  		bag.Load(context.Background(), 3)
    44  
    45  		d, err := bag.Distance(1, 2)
    46  		assert.Nil(t, err)
    47  		assert.Equal(t, float32(1), d)
    48  
    49  		d, err = bag.Distance(2, 3)
    50  		assert.Nil(t, err)
    51  		assert.Equal(t, float32(0), d)
    52  	})
    53  }