feat(MariaDB): Min/Max acceptance test (#797)

* add min and max acc tests for mariadb

stackit/internal/testutil/testutil.go

@@ -10,7 +10,7 @@ import (
 
 	"github.com/hashicorp/terraform-plugin-framework/providerserver"
 	"github.com/hashicorp/terraform-plugin-go/tfprotov6"
-
+	"github.com/hashicorp/terraform-plugin-testing/config"
 	"github.com/stackitcloud/terraform-provider-stackit/stackit"
 )
 
@@ -511,3 +511,12 @@ func CreateDefaultLocalFile() os.File {
 
 	return *file
 }
+
+func ConvertConfigVariable(variable config.Variable) string {
+	tmpByteArray, _ := variable.MarshalJSON()
+	// In case the variable is a string, the quotes should be removed
+	if tmpByteArray[0] == '"' && tmpByteArray[len(tmpByteArray)-1] == '"' {
+		return string(tmpByteArray[1 : len(tmpByteArray)-1])
+	}
+	return string(tmpByteArray)
+}

stackit/internal/testutil/testutil_test.go

@@ -0,0 +1,43 @@
+package testutil
+
+import (
+	"testing"
+
+	"github.com/hashicorp/terraform-plugin-testing/config"
+)
+
+func TestConvertConfigVariable(t *testing.T) {
+	tests := []struct {
+		name     string
+		variable config.Variable
+		want     string
+	}{
+		{
+			name:     "string",
+			variable: config.StringVariable("test"),
+			want:     "test",
+		},
+		{
+			name:     "bool: true",
+			variable: config.BoolVariable(true),
+			want:     "true",
+		},
+		{
+			name:     "bool: false",
+			variable: config.BoolVariable(false),
+			want:     "false",
+		},
+		{
+			name:     "integer",
+			variable: config.IntegerVariable(10),
+			want:     "10",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := ConvertConfigVariable(tt.variable); got != tt.want {
+				t.Errorf("ConvertConfigVariable() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}