* switch to composer for qrcode and otp dependencies

* move most OTP-related stuff into userhelper
* remove old phpqrcode and otphp libraries

vendor/chillerlan/php-qrcode/tests/Output/QROutputTestAbstract.php

@@ -0,0 +1,71 @@
+<?php
+/**
+ * Class QROutputTestAbstract
+ *
+ * @filesource   QROutputTestAbstract.php
+ * @created      24.12.2017
+ * @package      chillerlan\QRCodeTest\Output
+ * @author       Smiley <smiley@chillerlan.net>
+ * @copyright    2017 Smiley
+ * @license      MIT
+ */
+
+namespace chillerlan\QRCodeTest\Output;
+
+use chillerlan\QRCode\QROptions;
+use chillerlan\QRCode\Data\Byte;
+use chillerlan\QRCode\Output\{QRCodeOutputException, QROutputInterface};
+use chillerlan\QRCodeTest\QRTestAbstract;
+
+use function dirname, file_exists, mkdir;
+
+abstract class QROutputTestAbstract extends QRTestAbstract{
+
+	const cachefile = __DIR__.'/../../.build/output_test/test.';
+
+	/**
+	 * @var \chillerlan\QRCode\Output\QROutputInterface
+	 */
+	protected $outputInterface;
+
+	/**
+	 * @var \chillerlan\QRCode\QROptions
+	 */
+	protected $options;
+
+	/**
+	 * @var \chillerlan\QRCode\Data\QRMatrix
+	 */
+	protected $matrix;
+
+	protected function setUp():void{
+		parent::setUp();
+
+		$buildDir = dirname($this::cachefile);
+		if(!file_exists($buildDir)){
+			mkdir($buildDir, 0777, true);
+		}
+
+		$this->options = new QROptions;
+		$this->setOutputInterface();
+	}
+
+	protected function setOutputInterface(){
+		$this->outputInterface = $this->reflection->newInstanceArgs([$this->options, (new Byte($this->options, 'testdata'))->initMatrix(0)]);
+		return $this->outputInterface;
+	}
+
+	public function testInstance(){
+		$this->assertInstanceOf(QROutputInterface::class, $this->outputInterface);
+	}
+
+	public function testSaveException(){
+		$this->expectException(QRCodeOutputException::class);
+		$this->expectExceptionMessage('Could not write data to cache file: /foo');
+
+		$this->options->cachefile = '/foo';
+		$this->setOutputInterface();
+		$this->outputInterface->dump();
+	}
+
+}