recreate project

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

@@ -0,0 +1,99 @@
+<?php
+use Mike42\Escpos\NativeEscposImage;
+use Mike42\Escpos\EscposImage;
+
+class NativeEscposImageTest extends PHPUnit\Framework\TestCase
+{
+    /**
+     * Native tests - Load tiny images and check how they are printed
+     * These are skipped if you don't have Native
+     */
+    public function testBadFilename()
+    {
+        $this -> expectException(Exception::class);
+        $this -> loadAndCheckImg('not a real file.png', 1, 1, null, null);
+    }
+
+    /**
+     * @medium
+     */
+    public function testBlack()
+    {
+        foreach (array('bmp', 'gif', 'png') as $format) {
+            $this -> loadAndCheckImg('canvas_black.' . $format, 1, 1, "\x80", array("\x80"));
+        }
+    }
+
+    /**
+     * @medium
+     */
+    public function testBlackTransparent()
+    {
+        foreach (array('gif', 'png') as $format) {
+            $this -> loadAndCheckImg('black_transparent.' . $format, 2, 2, "\xc0\x00", array("\x80\x80"));
+        }
+    }
+    
+    /**
+     * @medium
+     */
+    public function testBlackWhite()
+    {
+        foreach (array('bmp', 'png', 'gif') as $format) {
+            $this -> loadAndCheckImg('black_white.' . $format, 2, 2, "\xc0\x00", array("\x80\x80"));
+        }
+    }
+
+    /**
+     * @medium
+     */
+    public function testBlackWhiteTall()
+    {
+        // We're very interested in correct column format chopping here at 8 pixels
+        $this -> loadAndCheckImg('black_white_tall.png', 2, 16,
+            "\xc0\xc0\xc0\xc0\xc0\xc0\xc0\xc0\x00\x00\x00\x00\x00\x00\x00\x00", array("\xff\xff", "\x00\x00"));
+    }
+
+    /**
+     * @medium
+     */
+    public function testWhite()
+    {
+        foreach (array('bmp', 'png', 'gif') as $format) {
+            $this -> loadAndCheckImg('canvas_white.' . $format, 1, 1, "\x00", array("\x00"));
+        }
+    }
+
+    /**
+     * Load an EscposImage and run a check.
+     */
+    private function loadAndCheckImg($fn, $width, $height, $rasterFormat = null, $columnFormat = null)
+    {
+        $onDisk = ($fn === null ? null : (dirname(__FILE__) . "/resources/$fn"));
+        // With optimisations
+        $imgOptimised = new NativeEscposImage($onDisk, true);
+        $this -> checkImg($imgOptimised, $width, $height, $rasterFormat, $columnFormat);
+        // ... and without
+        $imgUnoptimised = new NativeEscposImage($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) . "\"";
+        }
+        $this -> assertEquals($height , $img -> getHeight());
+        $this -> assertEquals($width, $img -> getWidth());
+        $this -> assertEquals($rasterFormatExpected, $rasterFormatActual, "Raster format did not match expected");
+        $this -> assertEquals($columnFormatExpected, $columnFormatActual, "Column format did not match expected");
+    }
+}