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// _ _
// __ _____ __ ___ ___ __ _| |_ ___
// \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
// \ V V / __/ (_| |\ V /| | (_| | || __/
// \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
//
// Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
//
// CONTACT: [email protected]
//
package test
import (
"bufio"
"context"
"fmt"
"math"
"math/rand"
"net/http"
"strings"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/weaviate/weaviate/client/objects"
"github.com/weaviate/weaviate/entities/models"
"github.com/weaviate/weaviate/entities/schema"
"github.com/weaviate/weaviate/test/helper"
graphqlhelper "github.com/weaviate/weaviate/test/helper/graphql"
)
const metricClassPrefix = "MetricsClassPrefix"
func metricsCount(t *testing.T) {
defer cleanupMetricsClasses(t, 0, 20)
createImportQueryMetricsClasses(t, 0, 10)
metricsLinesBefore := countMetricsLines(t)
createImportQueryMetricsClasses(t, 10, 20)
metricsLinesAfter := countMetricsLines(t)
assert.Equal(t, metricsLinesBefore, metricsLinesAfter, "number of metrics should not have changed")
}
func createImportQueryMetricsClasses(t *testing.T, start, end int) {
for i := start; i < end; i++ {
createMetricsClass(t, i)
importMetricsClass(t, i)
queryMetricsClass(t, i)
}
}
func createMetricsClass(t *testing.T, classIndex int) {
createObjectClass(t, &models.Class{
Class: metricsClassName(classIndex),
Vectorizer: "none",
Properties: []*models.Property{
{
Name: "some_text",
DataType: schema.DataTypeText.PropString(),
},
},
VectorIndexConfig: map[string]any{
"efConstruction": 10,
"maxConnextions": 2,
"ef": 10,
},
})
}
func queryMetricsClass(t *testing.T, classIndex int) {
// object by ID which exists
resp, err := helper.Client(t).Objects.
ObjectsClassGet(
objects.NewObjectsClassGetParams().
WithID(helper.IntToUUID(1)).
WithClassName(metricsClassName(classIndex)),
nil)
require.Nil(t, err)
assert.NotNil(t, resp.Payload)
// object by ID which doesn't exist
// ignore any return values
helper.Client(t).Objects.
ObjectsClassGet(
objects.NewObjectsClassGetParams().
WithID(helper.IntToUUID(math.MaxUint64)).
WithClassName(metricsClassName(classIndex)),
nil)
// vector search
result := graphqlhelper.AssertGraphQL(t, helper.RootAuth,
fmt.Sprintf(
"{ Get { %s(nearVector:{vector: [0.3,0.3,0.7,0.7]}, limit:5) { some_text } } }",
metricsClassName(classIndex),
),
)
objs := result.Get("Get", metricsClassName(classIndex)).AsSlice()
assert.Len(t, objs, 5)
// filtered vector search (which has specific metrics)
// vector search
result = graphqlhelper.AssertGraphQL(t, helper.RootAuth,
fmt.Sprintf(
"{ Get { %s(nearVector:{vector:[0.3,0.3,0.7,0.7]}, limit:5, where: %s) { some_text } } }",
metricsClassName(classIndex),
`{operator:Equal, valueText: "individually", path:["some_text"]}`,
),
)
objs = result.Get("Get", metricsClassName(classIndex)).AsSlice()
assert.Len(t, objs, 1)
}
// make sure that we use both individual as well as batch imports, as they
// might produce different metrics
func importMetricsClass(t *testing.T, classIndex int) {
// individual
createObject(t, &models.Object{
Class: metricsClassName(classIndex),
Properties: map[string]interface{}{
"some_text": "this object was created individually",
},
ID: helper.IntToUUID(1),
Vector: randomVector(4),
})
// with batches
const (
batchSize = 100
numBatches = 50
)
for i := 0; i < numBatches; i++ {
batch := make([]*models.Object, batchSize)
for j := 0; j < batchSize; j++ {
batch[j] = &models.Object{
Class: metricsClassName(classIndex),
Properties: map[string]interface{}{
"some_text": fmt.Sprintf("this is object %d of batch %d", j, i),
},
Vector: randomVector(4),
}
}
createObjectsBatch(t, batch)
}
}
func cleanupMetricsClasses(t *testing.T, start, end int) {
for i := start; i < end; i++ {
deleteObjectClass(t, metricsClassName(i))
}
}
func randomVector(dims int) []float32 {
out := make([]float32, dims)
for i := range out {
out[i] = rand.Float32()
}
return out
}
func countMetricsLines(t *testing.T) int {
ctx, cancel := context.WithTimeout(context.Background(), time.Second)
defer cancel()
req, err := http.NewRequestWithContext(ctx, http.MethodGet,
"http://localhost:2112/metrics", nil)
require.Nil(t, err)
c := &http.Client{}
res, err := c.Do(req)
require.Nil(t, err)
defer res.Body.Close()
require.Equal(t, http.StatusOK, res.StatusCode)
scanner := bufio.NewScanner(res.Body)
lineCount := 0
for scanner.Scan() {
line := scanner.Text()
if strings.Contains(line, "shards_loaded") || strings.Contains(line, "shards_loading") || strings.Contains(line, "shards_unloading") || strings.Contains(line, "shards_unloaded") {
continue
}
require.NotContains(
t,
strings.ToLower(line),
strings.ToLower(metricClassPrefix),
)
lineCount++
}
require.Nil(t, scanner.Err())
return lineCount
}
func metricsClassName(classIndex int) string {
return fmt.Sprintf("%s_%d", metricClassPrefix, classIndex)
}
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