use a timeout based read timeout constraint instead 42 attempt

Author: adamluzsi

random/Make_test.go

@@ -1,7 +1,6 @@
 package random_test
 
 import (
-	"github.com/adamluzsi/testcase/pp"
 	"math/rand"
 	"testing"
 	"time"
@@ -290,7 +289,6 @@ func TestSlice_smoke(t *testing.T) {
 	rnd := random.New(random.CryptoSeed{})
 	length := rnd.IntB(1, 5)
 	slice1 := random.Slice[int](length, rnd.Int)
-	pp.PP(slice1)
 	it.Must.Equal(length, len(slice1))
 	it.Must.NotEmpty(slice1)
 	it.Must.AnyOf(func(a *assert.AnyOf) {

random/Random.go

@@ -159,14 +159,19 @@ func (r *Random) Read(p []byte) (n int, err error) {
 }
 
 func (r *Random) mustRead(b []byte) {
-	var err error
-	for i := 0; i < 42; i++ {
-		_, err = r.Read(b)
-		if err == nil {
+	deadline := time.Now().Add(5 * time.Minute)
+	for {
+		n, err := r.Read(b)
+		if err != nil {
+			if time.Now().After(deadline) {
+				panic(err)
+			}
+			continue
+		}
+		if n == len(b) {
 			return
 		}
 	}
-	panic(err)
 }
 
 func (r *Random) UUID() string {