feat(dependency): replace go-spew package

go.mod

@@ -5,8 +5,8 @@ go 1.20
 require (
 	github.com/beorn7/perks v1.0.1
 	github.com/cespare/xxhash/v2 v2.2.0
-	github.com/davecgh/go-spew v1.1.1
 	github.com/json-iterator/go v1.1.12
+	github.com/kylelemons/godebug v1.1.0
 	github.com/prometheus/client_model v0.6.0
 	github.com/prometheus/common v0.52.3
 	github.com/prometheus/procfs v0.13.0

go.sum

@@ -21,6 +21,8 @@ github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
 github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
+github.com/kylelemons/godebug v1.1.0 h1:RPNrshWIDI6G2gRW9EHilWtl7Z6Sb1BR0xunSBf0SNc=
+github.com/kylelemons/godebug v1.1.0/go.mod h1:9/0rRGxNHcop5bhtWyNeEfOS8JIWk580+fNqagV/RAw=
 github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=

prometheus/testutil/testutil.go

@@ -42,9 +42,8 @@ import (
 	"fmt"
 	"io"
 	"net/http"
-	"reflect"
 
-	"github.com/davecgh/go-spew/spew"
+	godebug "github.com/kylelemons/godebug/diff"
 	dto "github.com/prometheus/client_model/go"
 	"github.com/prometheus/common/expfmt"
 	"google.golang.org/protobuf/proto"
@@ -277,73 +276,12 @@ func compare(got, want []*dto.MetricFamily) error {
 			return fmt.Errorf("encoding expected metrics failed: %w", err)
 		}
 	}
-	if diffErr := diff(wantBuf, gotBuf); diffErr != "" {
+	if diffErr := godebug.Diff(gotBuf.String(), wantBuf.String()); diffErr != "" {
 		return fmt.Errorf(diffErr)
 	}
 	return nil
 }
 
-// diff returns a diff of both values as long as both are of the same type and
-// are a struct, map, slice, array or string. Otherwise it returns an empty string.
-func diff(expected, actual interface{}) string {
-	if expected == nil || actual == nil {
-		return ""
-	}
-
-	et, ek := typeAndKind(expected)
-	at, _ := typeAndKind(actual)
-	if et != at {
-		return ""
-	}
-
-	if ek != reflect.Struct && ek != reflect.Map && ek != reflect.Slice && ek != reflect.Array && ek != reflect.String {
-		return ""
-	}
-
-	var e, a string
-	c := spew.ConfigState{
-		Indent:                  " ",
-		DisablePointerAddresses: true,
-		DisableCapacities:       true,
-		SortKeys:                true,
-	}
-	if et != reflect.TypeOf("") {
-		e = c.Sdump(expected)
-		a = c.Sdump(actual)
-	} else {
-		e = reflect.ValueOf(expected).String()
-		a = reflect.ValueOf(actual).String()
-	}
-
-	diff, _ := internal.GetUnifiedDiffString(internal.UnifiedDiff{
-		A:        internal.SplitLines(e),
-		B:        internal.SplitLines(a),
-		FromFile: "metric output does not match expectation; want",
-		FromDate: "",
-		ToFile:   "got:",
-		ToDate:   "",
-		Context:  1,
-	})
-
-	if diff == "" {
-		return ""
-	}
-
-	return "\n\nDiff:\n" + diff
-}
-
-// typeAndKind returns the type and kind of the given interface{}
-func typeAndKind(v interface{}) (reflect.Type, reflect.Kind) {
-	t := reflect.TypeOf(v)
-	k := t.Kind()
-
-	if k == reflect.Ptr {
-		t = t.Elem()
-		k = t.Kind()
-	}
-	return t, k
-}
-
 func filterMetrics(metrics []*dto.MetricFamily, names []string) []*dto.MetricFamily {
 	var filtered []*dto.MetricFamily
 	for _, m := range metrics {

prometheus/testutil/testutil_test.go

@@ -300,26 +300,20 @@ func TestMetricNotFound(t *testing.T) {
 			"label1": "value1",
 		},
 	})
+
 	c.Inc()
 
 	expected := `
 		some_other_metric{label1="value1"} 1
 	`
 
-	expectedError := `
-
-Diff:
---- metric output does not match expectation; want
-+++ got:
-@@ -1,4 +1,4 @@
--(bytes.Buffer) # HELP some_other_metric A value that represents a counter.
--# TYPE some_other_metric counter
--some_other_metric{label1="value1"} 1
-+(bytes.Buffer) # HELP some_total A value that represents a counter.
-+# TYPE some_total counter
-+some_total{label1="value1"} 1
-
-`
+	expectedError := `-# HELP some_total A value that represents a counter.
+-# TYPE some_total counter
+-some_total{label1="value1"} 1
++# HELP some_other_metric A value that represents a counter.
++# TYPE some_other_metric counter
++some_other_metric{label1="value1"} 1
+ `
 
 	err := CollectAndCompare(c, strings.NewReader(metadata+expected))
 	if err == nil {