More unittests

tests/Pipe/PipelineTest.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace Spark\Pipe;
+
+
+class PipelineTest extends \PhpUnit\Framework\TestCase
+{
+    /**
+     * @covers Pipeline::setInputFile
+     * @covers Pipeline::setOutputFile
+     * @covers Pipeline::run
+     */
+    public function testPipingData()
+    {
+        
+        $rand = random_bytes(1024);
+        file_put_contents("/tmp/rand.in", $rand);
+
+        $pipe = new Pipeline();
+        $pipe->setInputFile("/tmp/rand.in");
+        $pipe->setOutputFile("/tmp/rand.out");
+        $pipe->run();
+
+        $out = file_get_contents("/tmp/rand.out");
+        $this->assertEquals($rand, $out);
+    }
+}