nextcloud/tests/lib/ImageTest.php

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<?php
/**
* Copyright (c) 2013 Christopher Schäpers <christopher@schaepers.it>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
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namespace Test;
use OC;
use OCP\IConfig;
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class ImageTest extends \Test\TestCase {
public static function tearDownAfterClass() {
@unlink(OC::$SERVERROOT.'/tests/data/testimage2.png');
@unlink(OC::$SERVERROOT.'/tests/data/testimage2.jpg');
parent::tearDownAfterClass();
}
public function testConstructDestruct() {
$img = new \OC_Image(OC::$SERVERROOT.'/tests/data/testimage.png');
$this->assertInstanceOf('\OC_Image', $img);
$this->assertInstanceOf('\OCP\IImage', $img);
unset($img);
$imgcreate = imagecreatefromjpeg(OC::$SERVERROOT.'/tests/data/testimage.jpg');
$img = new \OC_Image($imgcreate);
$this->assertInstanceOf('\OC_Image', $img);
$this->assertInstanceOf('\OCP\IImage', $img);
unset($img);
$base64 = base64_encode(file_get_contents(OC::$SERVERROOT.'/tests/data/testimage.gif'));
$img = new \OC_Image($base64);
$this->assertInstanceOf('\OC_Image', $img);
$this->assertInstanceOf('\OCP\IImage', $img);
unset($img);
$img = new \OC_Image(null);
$this->assertInstanceOf('\OC_Image', $img);
$this->assertInstanceOf('\OCP\IImage', $img);
unset($img);
}
public function testValid() {
$img = new \OC_Image(OC::$SERVERROOT.'/tests/data/testimage.png');
$this->assertTrue($img->valid());
$text = base64_encode("Lorem ipsum dolor sir amet …");
$img = new \OC_Image($text);
$this->assertFalse($img->valid());
$img = new \OC_Image(null);
$this->assertFalse($img->valid());
}
public function testMimeType() {
$img = new \OC_Image(OC::$SERVERROOT.'/tests/data/testimage.png');
$this->assertEquals('image/png', $img->mimeType());
$img = new \OC_Image(null);
$this->assertEquals('', $img->mimeType());
$img = new \OC_Image(file_get_contents(OC::$SERVERROOT.'/tests/data/testimage.jpg'));
$this->assertEquals('image/jpeg', $img->mimeType());
$img = new \OC_Image(base64_encode(file_get_contents(OC::$SERVERROOT.'/tests/data/testimage.gif')));
$this->assertEquals('image/gif', $img->mimeType());
}
public function testWidth() {
$img = new \OC_Image(OC::$SERVERROOT.'/tests/data/testimage.png');
$this->assertEquals(128, $img->width());
$img = new \OC_Image(file_get_contents(OC::$SERVERROOT.'/tests/data/testimage.jpg'));
$this->assertEquals(1680, $img->width());
$img = new \OC_Image(base64_encode(file_get_contents(OC::$SERVERROOT.'/tests/data/testimage.gif')));
$this->assertEquals(64, $img->width());
$img = new \OC_Image(null);
$this->assertEquals(-1, $img->width());
}
public function testHeight() {
$img = new \OC_Image(OC::$SERVERROOT.'/tests/data/testimage.png');
$this->assertEquals(128, $img->height());
$img = new \OC_Image(file_get_contents(OC::$SERVERROOT.'/tests/data/testimage.jpg'));
$this->assertEquals(1050, $img->height());
$img = new \OC_Image(base64_encode(file_get_contents(OC::$SERVERROOT.'/tests/data/testimage.gif')));
$this->assertEquals(64, $img->height());
$img = new \OC_Image(null);
$this->assertEquals(-1, $img->height());
}
public function testSave() {
$img = new \OC_Image(OC::$SERVERROOT.'/tests/data/testimage.png');
$img->resize(16);
$img->save(OC::$SERVERROOT.'/tests/data/testimage2.png');
$this->assertEquals(file_get_contents(OC::$SERVERROOT.'/tests/data/testimage2.png'), $img->data());
$img = new \OC_Image(OC::$SERVERROOT.'/tests/data/testimage.jpg');
$img->resize(128);
$img->save(OC::$SERVERROOT.'/tests/data/testimage2.jpg');
$this->assertEquals(file_get_contents(OC::$SERVERROOT.'/tests/data/testimage2.jpg'), $img->data());
}
public function testData() {
$img = new \OC_Image(OC::$SERVERROOT.'/tests/data/testimage.png');
$raw = imagecreatefromstring(file_get_contents(OC::$SERVERROOT.'/tests/data/testimage.png'));
// Preserve transparency
imagealphablending($raw, true);
imagesavealpha($raw, true);
ob_start();
imagepng($raw);
$expected = ob_get_clean();
$this->assertEquals($expected, $img->data());
$config = $this->createMock(IConfig::class);
$config->expects($this->once())
->method('getAppValue')
->with('preview', 'jpeg_quality', 90)
->willReturn(null);
$img = new \OC_Image(OC::$SERVERROOT.'/tests/data/testimage.jpg', null, $config);
$raw = imagecreatefromstring(file_get_contents(OC::$SERVERROOT.'/tests/data/testimage.jpg'));
ob_start();
imagejpeg($raw);
$expected = ob_get_clean();
$this->assertEquals($expected, $img->data());
$img = new \OC_Image(OC::$SERVERROOT.'/tests/data/testimage.gif');
$raw = imagecreatefromstring(file_get_contents(OC::$SERVERROOT.'/tests/data/testimage.gif'));
ob_start();
imagegif($raw);
$expected = ob_get_clean();
$this->assertEquals($expected, $img->data());
}
public function testDataNoResource() {
$img = new \OC_Image();
$this->assertNull($img->data());
}
/**
* @depends testData
*/
public function testToString() {
$img = new \OC_Image(OC::$SERVERROOT.'/tests/data/testimage.png');
$expected = base64_encode($img->data());
$this->assertEquals($expected, (string)$img);
$img = new \OC_Image(file_get_contents(OC::$SERVERROOT.'/tests/data/testimage.jpg'));
$expected = base64_encode($img->data());
$this->assertEquals($expected, (string)$img);
$img = new \OC_Image(OC::$SERVERROOT.'/tests/data/testimage.gif');
$expected = base64_encode($img->data());
$this->assertEquals($expected, (string)$img);
}
public function testResize() {
$img = new \OC_Image(OC::$SERVERROOT.'/tests/data/testimage.png');
$this->assertTrue($img->resize(32));
$this->assertEquals(32, $img->width());
$this->assertEquals(32, $img->height());
$img = new \OC_Image(file_get_contents(OC::$SERVERROOT.'/tests/data/testimage.jpg'));
$this->assertTrue($img->resize(840));
$this->assertEquals(840, $img->width());
$this->assertEquals(525, $img->height());
$img = new \OC_Image(base64_encode(file_get_contents(OC::$SERVERROOT.'/tests/data/testimage.gif')));
$this->assertTrue($img->resize(100));
$this->assertEquals(100, $img->width());
$this->assertEquals(100, $img->height());
}
public function testPreciseResize() {
$img = new \OC_Image(OC::$SERVERROOT.'/tests/data/testimage.png');
$this->assertTrue($img->preciseResize(128, 512));
$this->assertEquals(128, $img->width());
$this->assertEquals(512, $img->height());
$img = new \OC_Image(file_get_contents(OC::$SERVERROOT.'/tests/data/testimage.jpg'));
$this->assertTrue($img->preciseResize(64, 840));
$this->assertEquals(64, $img->width());
$this->assertEquals(840, $img->height());
$img = new \OC_Image(base64_encode(file_get_contents(OC::$SERVERROOT.'/tests/data/testimage.gif')));
$this->assertTrue($img->preciseResize(1000, 1337));
$this->assertEquals(1000, $img->width());
$this->assertEquals(1337, $img->height());
}
public function testCenterCrop() {
$img = new \OC_Image(OC::$SERVERROOT.'/tests/data/testimage.png');
$img->centerCrop();
$this->assertEquals(128, $img->width());
$this->assertEquals(128, $img->height());
$img = new \OC_Image(file_get_contents(OC::$SERVERROOT.'/tests/data/testimage.jpg'));
$img->centerCrop();
$this->assertEquals(1050, $img->width());
$this->assertEquals(1050, $img->height());
$img = new \OC_Image(base64_encode(file_get_contents(OC::$SERVERROOT.'/tests/data/testimage.gif')));
$img->centerCrop(512);
$this->assertEquals(512, $img->width());
$this->assertEquals(512, $img->height());
}
public function testCrop() {
$img = new \OC_Image(OC::$SERVERROOT.'/tests/data/testimage.png');
$this->assertTrue($img->crop(0, 0, 50, 20));
$this->assertEquals(50, $img->width());
$this->assertEquals(20, $img->height());
$img = new \OC_Image(file_get_contents(OC::$SERVERROOT.'/tests/data/testimage.jpg'));
$this->assertTrue($img->crop(500, 700, 550, 300));
$this->assertEquals(550, $img->width());
$this->assertEquals(300, $img->height());
$img = new \OC_Image(base64_encode(file_get_contents(OC::$SERVERROOT.'/tests/data/testimage.gif')));
$this->assertTrue($img->crop(10, 10, 15, 15));
$this->assertEquals(15, $img->width());
$this->assertEquals(15, $img->height());
}
public static function sampleProvider() {
return [
['testimage.png', [200, 100], [100, 100]],
['testimage.jpg', [840, 840], [840, 525]],
['testimage.gif', [200, 250], [200, 200]]
];
}
/**
* @dataProvider sampleProvider
*
* @param string $filename
* @param int[] $asked
* @param int[] $expected
*/
public function testFitIn($filename, $asked, $expected) {
$img = new \OC_Image(OC::$SERVERROOT . '/tests/data/' . $filename);
$this->assertTrue($img->fitIn($asked[0], $asked[1]));
$this->assertEquals($expected[0], $img->width());
$this->assertEquals($expected[1], $img->height());
}
public static function sampleFilenamesProvider() {
return [
['testimage.png'],
['testimage.jpg'],
['testimage.gif']
];
}
/**
* Image should not be resized if it's already smaller than what is required
*
* @dataProvider sampleFilenamesProvider
*
* @param string $filename
*/
public function testScaleDownToFitWhenSmallerAlready($filename) {
$img = new \OC_Image(OC::$SERVERROOT . '/tests/data/' . $filename);
$currentWidth = $img->width();
$currentHeight = $img->height();
// We pick something larger than the image we want to scale down
$this->assertFalse($img->scaleDownToFit(4000, 4000));
// The dimensions of the image should not have changed since it's smaller already
$resizedWidth = $img->width();
$resizedHeight = $img->height();
$this->assertEquals(
$currentWidth, $img->width(), "currentWidth $currentWidth resizedWidth $resizedWidth \n"
);
$this->assertEquals(
$currentHeight, $img->height(),
"currentHeight $currentHeight resizedHeight $resizedHeight \n"
);
}
public static function largeSampleProvider() {
return [
['testimage.png', [200, 100], [100, 100]],
['testimage.jpg', [840, 840], [840, 525]],
];
}
/**
* @dataProvider largeSampleProvider
*
* @param string $filename
* @param int[] $asked
* @param int[] $expected
*/
public function testScaleDownWhenBigger($filename, $asked, $expected) {
$img = new \OC_Image(OC::$SERVERROOT . '/tests/data/' . $filename);
//$this->assertTrue($img->scaleDownToFit($asked[0], $asked[1]));
$img->scaleDownToFit($asked[0], $asked[1]);
$this->assertEquals($expected[0], $img->width());
$this->assertEquals($expected[1], $img->height());
}
function convertDataProvider() {
return array(
array( 'image/gif'),
array( 'image/jpeg'),
array( 'image/png'),
);
}
/**
* @dataProvider convertDataProvider
*/
public function testConvert($mimeType) {
$img = new \OC_Image(OC::$SERVERROOT.'/tests/data/testimage.png');
$tempFile = tempnam(sys_get_temp_dir(), 'img-test');
$img->save($tempFile, $mimeType);
$this->assertEquals($mimeType, image_type_to_mime_type(exif_imagetype($tempFile)));
}
}