✨ add PHPBench to run benchmarks

benchmark/DecoderBenchmark.php

@@ -0,0 +1,93 @@
+<?php
+/**
+ * Class DecoderBenchmark
+ *
+ * @created      26.04.2024
+ * @author       smiley <smiley@chillerlan.net>
+ * @copyright    2024 smiley
+ * @license      MIT
+ */
+declare(strict_types=1);
+
+namespace chillerlan\QRCodeBenchmark;
+
+use chillerlan\QRCode\Common\{GDLuminanceSource, IMagickLuminanceSource, Mode};
+use chillerlan\QRCode\Data\Byte;
+use chillerlan\QRCode\Decoder\{Decoder, DecoderResult};
+use chillerlan\QRCode\Output\QRGdImagePNG;
+use chillerlan\QRCode\QRCodeException;
+use PhpBench\Attributes\{AfterMethods, BeforeMethods, Subject};
+use RuntimeException;
+
+/**
+ * Tests the performance of the QR Code reader/decoder
+ */
+final class DecoderBenchmark extends BenchmarkAbstract{
+
+	protected const DATAMODES   = [Mode::BYTE => Byte::class];
+
+	private string        $imageBlob;
+	private DecoderResult $result;
+
+	public function initOptions():void{
+
+		$options = [
+			'version'          => $this->version->getVersionNumber(),
+			'eccLevel'         => $this->eccLevel->getLevel(),
+			'scale'            => 2,
+			'imageTransparent' => false,
+			'outputBase64'     => false,
+		];
+
+		$this->initQROptions($options);
+	}
+
+	public function generateImageBlob():void{
+		$this->imageBlob = (new QRGdImagePNG($this->options, $this->matrix))->dump();
+	}
+
+	public function checkReaderResult():void{
+		if($this->result->data !== $this->testData){
+			throw new RuntimeException('invalid reader result');
+		}
+	}
+
+	/**
+	 * Tests the performance of the GD reader
+	 */
+	#[Subject]
+	#[BeforeMethods(['assignParams', 'generateTestData', 'initOptions', 'initMatrix', 'generateImageBlob'])]
+	#[AfterMethods(['checkReaderResult'])]
+	public function GDLuminanceSource():void{
+
+		// in rare cases the reader will be unable to detect and throw,
+		// but we don't want the performance test to yell about it
+		// @see QRCodeReaderTestAbstract::testReadData()
+		try{
+			$this->result = (new Decoder($this->options))
+				->decode(GDLuminanceSource::fromBlob($this->imageBlob, $this->options));
+		}
+		catch(QRCodeException){
+			// noop
+		}
+	}
+
+	/**
+	 * Tests the performance of the ImageMagick reader
+	 */
+	#[Subject]
+	#[BeforeMethods(['assignParams', 'generateTestData', 'initOptions', 'initMatrix', 'generateImageBlob'])]
+	#[AfterMethods(['checkReaderResult'])]
+	public function IMagickLuminanceSource():void{
+		$this->options->readerUseImagickIfAvailable = true;
+
+		try{
+			$this->result = (new Decoder($this->options))
+				->decode(IMagickLuminanceSource::fromBlob($this->imageBlob, $this->options));
+		}
+		catch(QRCodeException){
+			// noop
+		}
+	}
+
+}