Add GenerateAlphaNumericID feature to testutil of mgmt. plane interal. (Azure#18927)

* Add GenerateAlphaNumericID feature to testutil of mgmt. plane interal.

* build: release resourcemanager/internal 1.1.0

Author: tadelesh

sdk/resourcemanager/internal/CHANGELOG.md

@@ -1,14 +1,9 @@
 # Release History
 
-## 1.0.2 (Unreleased)
+## 1.1.0 (2022-08-24)
 
 ### Features Added
-
-### Breaking Changes
-
-### Bugs Fixed
-
-### Other Changes
+* Add `GenerateAlphaNumericID` to testutil
 
 ## 1.0.1 (2022-06-23)
 

sdk/resourcemanager/internal/testdata/recordings/TestGenerateAlphaNumericID.json

@@ -0,0 +1,6 @@
+{
+  "Entries": [],
+  "Variables": {
+    "recordingRandomSeed": "1661246628"
+  }
+}

sdk/resourcemanager/internal/testutil/recording.go

@@ -8,13 +8,23 @@ package testutil
 
 import (
 	"fmt"
+	"math/rand"
 	"net/http"
+	"strconv"
 	"testing"
+	"time"
 
 	"github.com/Azure/azure-sdk-for-go/sdk/azcore/policy"
 	"github.com/Azure/azure-sdk-for-go/sdk/internal/recording"
 )
 
+const recordingRandomSeedVariableName = "recordingRandomSeed"
+
+var (
+	recordingRandomSeed int64
+	letterRunes         = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789")
+)
+
 type recordingPolicy struct {
 	options recording.RecordingOptions
 	t       *testing.T
@@ -97,8 +107,37 @@ func StartRecording(t *testing.T, pathToPackage string) func() {
 
 // StopRecording stops the recording.
 func StopRecording(t *testing.T) {
-	err := recording.Stop(t, nil)
+	err := recording.Stop(t, &recording.RecordingOptions{Variables: map[string]interface{}{recordingRandomSeedVariableName: strconv.FormatInt(recordingRandomSeed, 10)}})
 	if err != nil {
 		t.Fatalf("Failed to stop recording: %v", err)
 	}
 }
+
+// GenerateAlphaNumericID will generate a random alpha numeric ID.
+// When handling live request, the random seed is generated.
+// Otherwise, the random seed is stable and will be stored in recording file.
+// The length parameter is the random part length, not include the prefix part.
+func GenerateAlphaNumericID(t *testing.T, prefix string, length int) string {
+	if recording.GetRecordMode() != "live" {
+		if recordingRandomSeed == 0 {
+			variables := recording.GetVariables(t)
+			if seed, ok := variables[recordingRandomSeedVariableName]; ok {
+				seedNum, err := strconv.ParseInt(seed.(string), 10, 64)
+				if err != nil {
+					recordingRandomSeed = seedNum
+				}
+			}
+			if recordingRandomSeed == 0 {
+				recordingRandomSeed = time.Now().Unix()
+			}
+		}
+		rand.Seed(recordingRandomSeed)
+	} else {
+		rand.Seed(time.Now().Unix())
+	}
+	b := make([]rune, length)
+	for i := range b {
+		b[i] = letterRunes[rand.Intn(len(letterRunes))]
+	}
+	return prefix + string(b)
+}

sdk/resourcemanager/internal/testutil/recording_test.go

@@ -35,3 +35,11 @@ func TestStartStopRecording(t *testing.T) {
 	stop := StartRecording(t, pathToPackage)
 	defer stop()
 }
+
+func TestGenerateAlphaNumericID(t *testing.T) {
+	stop := StartRecording(t, pathToPackage)
+	first := GenerateAlphaNumericID(t, "test", 6)
+	second := GenerateAlphaNumericID(t, "test", 6)
+	require.Equal(t, first, second)
+	defer stop()
+}

sdk/resourcemanager/internal/version.go

@@ -11,5 +11,5 @@ const (
 	Module = "internal"
 
 	// Version is the semantic version (see http://semver.org) of this module.
-	Version = "v1.0.2"
+	Version = "v1.1.0"
 )