refactor: melhora coverage para Renavam

Author: vicentimartins

src/validator-docs/Rules/Renavam.php

@@ -9,27 +9,24 @@ class Renavam extends Sanitization
     public function validateRenavam($attribute, $renavam): bool
     {
         $renavam = $this->sanitize($renavam);
-        $sum = 0;
         $renavamArray = str_split($renavam);
-        $digitCount = 0;
+        $digit = $this->determinarDigito($renavamArray);
 
-        for ($i = 5; $i >= 2; $i--) {
-            $sum += $renavamArray[$digitCount] * $i;
-            $digitCount++;
-        }
-
-        $valor = $sum % 11;
+        return $digit === (int) $renavamArray[4];
+    }
 
-        $digit = $valor;
+    public function determinarDigito($renavam): int
+    {
+        $resultante = 0;
+        $contador = 0;
 
-        if ($valor == 11 || $valor == 0 || $valor >= 10) {
-            $digit = 0;
+        for ($indice = 5; $indice >= 2; $indice--) {
+            $resultante += $renavam[$contador] * $indice;
+            $contador++;
         }
 
-        if ($digit == $renavamArray[4]) {
-            return true;
-        }
+        $verificador = $resultante % 11;
 
-        return false;
+        return $verificador >= 10 ? 0 : $verificador;
     }
 }

tests/Rules/RenavamTest.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace geekcom\ValidatorDocs\Tests\Rules;
+
+use geekcom\ValidatorDocs\Rules\Renavam;
+use geekcom\ValidatorDocs\Tests\ValidatorTestCase;
+
+final class RenavamTest extends ValidatorTestCase
+{
+    /**
+     * @test
+     *
+     * @dataProvider renavamProvider
+     */
+    public function renavamValido($renavam, $expected): void
+    {
+        $instance = new Renavam();
+
+        $atual = $instance->validateRenavam('', $renavam);
+
+        $this->assertSame($expected, $atual);
+    }
+
+    public function renavamProvider(): array
+    {
+        return [
+            'Input correto' => [
+                'renavam' => 639884962,
+                'expected' => true,
+            ],
+            'Input incorreto' => [
+                'renavam' => 11111111111,
+                'expected' => false
+            ],
+        ];
+    }
+}