github.com/weaviate/weaviate@v1.24.6/adapters/repos/db/inverted/delta_merger_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  package inverted
    13  
    14  import (
    15  	"testing"
    16  
    17  	"github.com/stretchr/testify/assert"
    18  )
    19  
    20  func TestDeltaMerger(t *testing.T) {
    21  	dm := NewDeltaMerger()
    22  
    23  	t.Run("a simple add and delete with one prop and one doc id", func(t *testing.T) {
    24  		dm.AddAdditions([]Property{{
    25  			Name: "field1", Items: []Countable{
    26  				{Data: []byte("a")},
    27  				{Data: []byte("b")},
    28  			},
    29  			HasFilterableIndex: false,
    30  			HasSearchableIndex: true,
    31  		}}, 0)
    32  
    33  		dm.AddDeletions([]Property{{
    34  			Name: "field1", Items: []Countable{
    35  				{Data: []byte("a")},
    36  			},
    37  		}}, 0)
    38  
    39  		expected := DeltaMergeResult{
    40  			Additions: []MergeProperty{
    41  				{
    42  					Name:               "field1",
    43  					HasFilterableIndex: false,
    44  					HasSearchableIndex: true,
    45  					MergeItems: []MergeItem{
    46  						{
    47  							Data: []byte("b"),
    48  							DocIDs: []MergeDocIDWithFrequency{
    49  								{
    50  									DocID: 0,
    51  								},
    52  							},
    53  						},
    54  					},
    55  				},
    56  			},
    57  		}
    58  
    59  		actual := dm.Merge()
    60  		assert.Equal(t, expected, actual)
    61  	})
    62  }