git test

internal/validators/validator.go

@@ -0,0 +1,22 @@
+package validators
+
+import (
+	"fmt"
+
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
+)
+
+func DivisibleBy(divisibility int) schema.SchemaValidateFunc {
+	return func(i interface{}, k string) (warnings []string, errors []error) {
+		total, ok := i.(int)
+		if !ok {
+			errors = append(errors, fmt.Errorf("expected type of %s to be integer", k))
+			return warnings, errors
+		}
+		if total%divisibility != 0 {
+			errors = append(errors, fmt.Errorf("expected value of %s to be divisible by %d", k, divisibility))
+		}
+
+		return warnings, errors
+	}
+}