recreate project

vendor/mike42/escpos-php/test/unit/GdEscposImageTest.php

@@ -0,0 +1,101 @@
+<?php
+use Mike42\Escpos\GdEscposImage;
+use Mike42\Escpos\EscposImage;
+
+class GdEscposImageTest extends PHPUnit\Framework\TestCase
+{
+
+    /**
+     * Gd tests - Load tiny images and check how they are printed
+     * These are skipped if you don't have imagick
+     */
+    public function testGdBadFilename()
+    {
+        $this -> expectException(Exception::class);
+        $this -> loadAndCheckImg('not a real file.png', 1, 1, null, null);
+    }
+    
+    /**
+     * @medium
+     */
+    public function testGdEmpty()
+    {
+        $this -> loadAndCheckImg(null, 0, 0, "", array());
+    }
+    
+    /**
+     * @medium
+     */
+    public function testGdBlack()
+    {
+        foreach (array('png', 'jpg', 'gif') as $format) {
+            $this -> loadAndCheckImg('canvas_black.' . $format, 1, 1, "\x80", array("\x80"));
+        }
+    }
+    
+    /**
+     * @medium
+     */
+    public function testGdBlackTransparent()
+    {
+        foreach (array('png', 'gif') as $format) {
+            $this -> loadAndCheckImg('black_transparent.' . $format, 2, 2, "\xc0\x00", array("\x80\x80"));
+        }
+    }
+    
+    /**
+     * @medium
+     */
+    public function testGdBlackWhite()
+    {
+        foreach (array('png', 'jpg', 'gif') as $format) {
+            $this -> loadAndCheckImg('black_white.' . $format, 2, 2, "\xc0\x00", array("\x80\x80"));
+        }
+    }
+    
+    /**
+     * @medium
+     */
+    public function testGdWhite()
+    {
+        foreach (array('png', 'jpg', 'gif') as $format) {
+            $this -> loadAndCheckImg('canvas_white.' . $format, 1, 1, "\x00", array("\x00"));
+        }
+    }
+
+    /**
+     * Load an EscposImage with (optionally) certain libraries disabled and run a check.
+     */
+    private function loadAndCheckImg($fn, $width, $height, $rasterFormat = null, $columnFormat = null)
+    {
+        if (!EscposImage::isGdLoaded()) {
+            $this -> markTestSkipped("gd plugin is required for this test");
+        }
+        $onDisk = ($fn === null ? null : (dirname(__FILE__) . "/resources/$fn"));
+        // With optimisations
+        $imgOptimised = new GdEscposImage($onDisk, true);
+        $this -> checkImg($imgOptimised, $width, $height, $rasterFormat, $columnFormat);
+        // ... and without
+        $imgUnoptimised = new GdEscposImage($onDisk, false);
+        $this -> checkImg($imgUnoptimised, $width, $height, $rasterFormat, $columnFormat);
+    }
+    
+    /**
+     * Check image against known width, height, output.
+     */
+    private function checkImg(EscposImage $img, $width, $height, $rasterFormatExpected = null, $columnFormatExpected = null)
+    {
+        $rasterFormatActual = $img -> toRasterFormat();
+        $columnFormatActual = $img -> toColumnFormat();
+        if ($rasterFormatExpected === null) {
+            echo "\nImage was: " . $img -> getWidth() . "x" . $img -> getHeight() . ", raster data \"" . friendlyBinary($rasterFormatActual) . "\"";
+        }
+        if ($columnFormatExpected === null) {
+            echo "\nImage was: " . $img -> getWidth() . "x" . $img -> getHeight() . ", column data \"" . friendlyBinary($columnFormatActual) . "\"";
+        }
+        $this -> assertTrue($img -> getHeight() == $height);
+        $this -> assertTrue($img -> getWidth() == $width);
+        $this -> assertTrue($rasterFormatExpected === $rasterFormatActual);
+        $this -> assertTrue($columnFormatExpected === $columnFormatActual);
+    }
+}