Actualización

vendor/ddeboer/data-import/tests/Step/ConverterStepTest.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace Ddeboer\DataImport\Tests\Step;
+
+use Ddeboer\DataImport\Step\ConverterStep;
+
+class ConverterStepTest extends \PHPUnit_Framework_TestCase
+{
+    private $step;
+
+    protected function setUp()
+    {
+        $this->step = new ConverterStep();
+    }
+
+    public function testProcess()
+    {
+        $this->step->add(function() { return ['bar']; });
+
+        $data = ['foo'];
+
+        $this->step->process($data);
+
+        $this->assertEquals(['bar'], $data);
+    }
+}