resto-dhepot/packages/escpos-php/test/unit/GdEscposImageTest.php

103 lines
3.2 KiB
PHP

<?php
use Zelda\EscposPhp\GdEscposImage;
use Zelda\EscposPhp\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);
}
}