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// _ _
// __ _____ __ ___ ___ __ _| |_ ___
// \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
// \ V V / __/ (_| |\ V /| | (_| | || __/
// \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
//
// Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
//
// CONTACT: [email protected]
//
package inverted
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestDeltaMerger(t *testing.T) {
dm := NewDeltaMerger()
t.Run("a simple add and delete with one prop and one doc id", func(t *testing.T) {
dm.AddAdditions([]Property{{
Name: "field1", Items: []Countable{
{Data: []byte("a")},
{Data: []byte("b")},
},
HasFilterableIndex: false,
HasSearchableIndex: true,
}}, 0)
dm.AddDeletions([]Property{{
Name: "field1", Items: []Countable{
{Data: []byte("a")},
},
}}, 0)
expected := DeltaMergeResult{
Additions: []MergeProperty{
{
Name: "field1",
HasFilterableIndex: false,
HasSearchableIndex: true,
MergeItems: []MergeItem{
{
Data: []byte("b"),
DocIDs: []MergeDocIDWithFrequency{
{
DocID: 0,
},
},
},
},
},
},
}
actual := dm.Merge()
assert.Equal(t, expected, actual)
})
}
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