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Mitch
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Add initial PHPUnit unit tests and Travic CI config
- more tests still need to be added to make this a good safety net - the testOutput* methods probably need to be refactored
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‎.travis.yml

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language: php
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php:
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- 5.3
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- 5.4
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- 5.5
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- hhvm

‎phpunit.xml

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<phpunit colors="true">
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<testsuites>
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<testsuite name="php-image-resize tests">
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<directory>test</directory>
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</testsuite>
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</testsuites>
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<logging>
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<log type="coverage-text" target="php://stdout"/>
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</logging>
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</phpunit>

‎test/Test.php

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<?php
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include 'src/ImageResize.php';
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use \Eventviva\ImageResize;
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class ImageResizeTest extends PHPUnit_Framework_TestCase
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{
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private $image_types = array(
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'gif',
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'jpeg',
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'png'
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);
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private $unsupported_image = 'Qk08AAAAAAAAADYAAAAoAAAAAQAAAAEAAAABABAAAAAAAAYAAAASCwAAEgsAAAAAAAAAAAAA/38AAAAA';
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public function testLoadGif() {
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$image = $this->createImage(1, 1, 'gif');
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$resize = new ImageResize($image);
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$this->assertEquals(IMAGETYPE_GIF, $resize->source_type);
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}
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public function testLoadJpg() {
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$image = $this->createImage(1, 1, 'jpeg');
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$resize = new ImageResize($image);
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$this->assertEquals(IMAGETYPE_JPEG, $resize->source_type);
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}
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public function testLoadPng() {
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$image = $this->createImage(1, 1, 'png');
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$resize = new ImageResize($image);
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$this->assertEquals(IMAGETYPE_PNG, $resize->source_type);
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}
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/**
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* @expectedException Exception
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* @expectedExceptionMessage getimagesize(): Filename cannot be empty
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*/
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public function testLoadNoFile() {
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new ImageResize(null);
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}
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/**
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* @expectedException Exception
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* @expectedExceptionMessage Could not read
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*/
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public function testLoadUnsupportedFile() {
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new ImageResize(__FILE__);
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}
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/**
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* @expectedException Exception
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* @expectedExceptionMessage Unsupported image type
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*/
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public function testLoadUnsupportedImage() {
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$filename = $this->getTempFile();
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$image = fopen($filename, 'w');
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fwrite($image, base64_decode($this->unsupported_image));
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fclose($image);
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new ImageResize($filename);
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}
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public function testResizeToHeight() {
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$image = $this->createImage(200, 100, 'png');
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$resize = new ImageResize($image);
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$resize->resizeToHeight(50);
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$this->assertEquals(100, $resize->getDestWidth());
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$this->assertEquals(50, $resize->getDestHeight());
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}
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public function testResizeToWidth() {
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$image = $this->createImage(200, 100, 'png');
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$resize = new ImageResize($image);
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$resize->resizeToWidth(100);
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$this->assertEquals(100, $resize->getDestWidth());
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$this->assertEquals(50, $resize->getDestHeight());
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}
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public function testScale() {
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$image = $this->createImage(200, 100, 'png');
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$resize = new ImageResize($image);
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$resize->scale(50);
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$this->assertEquals(100, $resize->getDestWidth());
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$this->assertEquals(50, $resize->getDestHeight());
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}
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public function testResize() {
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$image = $this->createImage(200, 100, 'png');
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$resize = new ImageResize($image);
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$resize->resize(50, 50);
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$this->assertEquals(50, $resize->getDestWidth());
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$this->assertEquals(50, $resize->getDestHeight());
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}
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public function testResizeLargerNotAllowed() {
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$image = $this->createImage(200, 100, 'png');
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$resize = new ImageResize($image);
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$resize->resize(400, 200);
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$this->assertEquals(200, $resize->getDestWidth());
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$this->assertEquals(100, $resize->getDestHeight());
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}
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public function testCrop() {
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$image = $this->createImage(200, 100, 'png');
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$resize = new ImageResize($image);
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$resize->crop(50, 50);
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$this->assertEquals(50, $resize->getDestWidth());
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$this->assertEquals(50, $resize->getDestHeight());
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}
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public function testCropLargerNotAllowed() {
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$image = $this->createImage(200, 100, 'png');
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$resize = new ImageResize($image);
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$resize->crop(500, 500);
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$this->assertEquals(200, $resize->getDestWidth());
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$this->assertEquals(100, $resize->getDestHeight());
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}
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public function testSaveGif() {
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$image = $this->createImage(200, 100, 'gif');
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$resize = new ImageResize($image);
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$filename = $this->getTempFile();
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$resize->save($filename);
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$this->assertEquals(IMAGETYPE_GIF, exif_imagetype($filename));
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}
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public function testSaveJpg() {
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$image = $this->createImage(200, 100, 'jpeg');
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$resize = new ImageResize($image);
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$filename = $this->getTempFile();
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$resize->save($filename);
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$this->assertEquals(IMAGETYPE_JPEG, exif_imagetype($filename));
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}
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public function testSavePng() {
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$image = $this->createImage(200, 100, 'png');
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$resize = new ImageResize($image);
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$filename = $this->getTempFile();
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$resize->save($filename);
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$this->assertEquals(IMAGETYPE_PNG, exif_imagetype($filename));
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}
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public function testSaveChmod() {
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$image = $this->createImage(200, 100, 'png');
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$resize = new ImageResize($image);
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$filename = $this->getTempFile();
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$resize->save($filename, null, null, 0600);
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$this->assertEquals(600, substr(decoct(fileperms($filename)), 3));
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}
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public function testOutputGif() {
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$image = $this->createImage(200, 100, 'gif');
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$resize = new ImageResize($image);
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ob_start();
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// supressing header errors
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@$resize->output();
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$image_contents = ob_get_clean();
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$info = finfo_open();
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$type = finfo_buffer($info, $image_contents, FILEINFO_MIME_TYPE);
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$this->assertEquals('image/gif', $type);
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}
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public function testOutputJpg() {
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$image = $this->createImage(200, 100, 'jpeg');
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$resize = new ImageResize($image);
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ob_start();
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// supressing header errors
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@$resize->output();
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$image_contents = ob_get_clean();
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$info = finfo_open();
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$type = finfo_buffer($info, $image_contents, FILEINFO_MIME_TYPE);
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$this->assertEquals('image/jpeg', $type);
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}
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public function testOutputPng() {
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$image = $this->createImage(200, 100, 'png');
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$resize = new ImageResize($image);
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ob_start();
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// supressing header errors
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@$resize->output();
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$image_contents = ob_get_clean();
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$info = finfo_open();
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$type = finfo_buffer($info, $image_contents, FILEINFO_MIME_TYPE);
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$this->assertEquals('image/png', $type);
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}
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private function createImage($width, $height, $type) {
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if (!in_array($type, $this->image_types)) {
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throw new \Exception('Unsupported image type');
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}
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$image = imagecreatetruecolor($width, $height);
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$filename = $this->getTempFile();
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$output_function = 'image' . $type;
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$output_function($image, $filename);
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return $filename;
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}
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private function getTempFile() {
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return tempnam(sys_get_temp_dir(), 'resize_test_image');
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}
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}
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?>

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