github.com/weaviate/weaviate@v1.24.6/adapters/repos/db/vector/hnsw/visited/pool_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 visited
    13  
    14  import (
    15  	"testing"
    16  
    17  	"github.com/stretchr/testify/assert"
    18  )
    19  
    20  func TestPool(t *testing.T) {
    21  	// pool with two liss
    22  	pool := NewPool(2, 2)
    23  	assert.Equal(t, 2, len(pool.listSets))
    24  
    25  	// get first list
    26  	l1 := pool.Borrow()
    27  	assert.Equal(t, 2, l1.Len())
    28  	assert.Equal(t, 1, len(pool.listSets))
    29  
    30  	// get second list
    31  	l2 := pool.Borrow()
    32  	assert.Equal(t, 0, len(pool.listSets))
    33  
    34  	// get third list from empty pool and return it back
    35  	l3 := pool.Borrow()
    36  	assert.Equal(t, 0, len(pool.listSets))
    37  	pool.Return(l3)
    38  	assert.Equal(t, 1, len(pool.listSets))
    39  
    40  	// get same list again and modify its size
    41  	// so that it is not accepted when returned to the pool
    42  	l3 = pool.Borrow()
    43  	l3.Visit(2)
    44  	pool.Return(l3)
    45  	assert.Equal(t, 0, len(pool.listSets))
    46  
    47  	// add two list and destroy the pool
    48  	pool.Return(l1)
    49  	pool.Return(l2)
    50  	assert.Equal(t, 2, len(pool.listSets))
    51  	pool.Destroy()
    52  	assert.Equal(t, 0, len(pool.listSets))
    53  }