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-rw-r--r--tests/lib/ImageTest.php385
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diff --git a/tests/lib/ImageTest.php b/tests/lib/ImageTest.php
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+<?php
+
+/**
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace Test;
+
+use OC;
+use OC\Image;
+use OCP\IAppConfig;
+use OCP\IConfig;
+
+class ImageTest extends \Test\TestCase {
+ public static function tearDownAfterClass(): void {
+ @unlink(OC::$SERVERROOT . '/tests/data/testimage2.png');
+ @unlink(OC::$SERVERROOT . '/tests/data/testimage2.jpg');
+
+ parent::tearDownAfterClass();
+ }
+
+ public function testConstructDestruct(): void {
+ $img = new Image();
+ $img->loadFromFile(OC::$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 Image();
+ $img->setResource($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 Image();
+ $img->loadFromBase64($base64);
+ $this->assertInstanceOf('\OC\Image', $img);
+ $this->assertInstanceOf('\OCP\IImage', $img);
+ unset($img);
+
+ $img = new Image();
+ $this->assertInstanceOf('\OC\Image', $img);
+ $this->assertInstanceOf('\OCP\IImage', $img);
+ unset($img);
+ }
+
+ public function testValid(): void {
+ $img = new Image();
+ $img->loadFromFile(OC::$SERVERROOT . '/tests/data/testimage.png');
+ $this->assertTrue($img->valid());
+
+ $text = base64_encode('Lorem ipsum dolor sir amet …');
+ $img = new Image();
+ $img->loadFromBase64($text);
+ $this->assertFalse($img->valid());
+
+ $img = new Image();
+ $this->assertFalse($img->valid());
+ }
+
+ public function testMimeType(): void {
+ $img = new Image();
+ $img->loadFromFile(OC::$SERVERROOT . '/tests/data/testimage.png');
+ $this->assertEquals('image/png', $img->mimeType());
+
+ $img = new Image();
+ $this->assertEquals('', $img->mimeType());
+
+ $img = new Image();
+ $img->loadFromData(file_get_contents(OC::$SERVERROOT . '/tests/data/testimage.jpg'));
+ $this->assertEquals('image/jpeg', $img->mimeType());
+
+ $img = new Image();
+ $img->loadFromBase64(base64_encode(file_get_contents(OC::$SERVERROOT . '/tests/data/testimage.gif')));
+ $this->assertEquals('image/gif', $img->mimeType());
+ }
+
+ public function testWidth(): void {
+ $img = new Image();
+ $img->loadFromFile(OC::$SERVERROOT . '/tests/data/testimage.png');
+ $this->assertEquals(128, $img->width());
+
+ $img = new Image();
+ $img->loadFromData(file_get_contents(OC::$SERVERROOT . '/tests/data/testimage.jpg'));
+ $this->assertEquals(1680, $img->width());
+
+ $img = new Image();
+ $img->loadFromBase64(base64_encode(file_get_contents(OC::$SERVERROOT . '/tests/data/testimage.gif')));
+ $this->assertEquals(64, $img->width());
+
+ $img = new Image();
+ $this->assertEquals(-1, $img->width());
+ }
+
+ public function testHeight(): void {
+ $img = new Image();
+ $img->loadFromFile(OC::$SERVERROOT . '/tests/data/testimage.png');
+ $this->assertEquals(128, $img->height());
+
+ $img = new Image();
+ $img->loadFromData(file_get_contents(OC::$SERVERROOT . '/tests/data/testimage.jpg'));
+ $this->assertEquals(1050, $img->height());
+
+ $img = new Image();
+ $img->loadFromBase64(base64_encode(file_get_contents(OC::$SERVERROOT . '/tests/data/testimage.gif')));
+ $this->assertEquals(64, $img->height());
+
+ $img = new Image();
+ $this->assertEquals(-1, $img->height());
+ }
+
+ public function testSave(): void {
+ $img = new Image();
+ $img->loadFromFile(OC::$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 Image();
+ $img->loadFromFile(OC::$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(): void {
+ $img = new Image();
+ $img->loadFromFile(OC::$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());
+
+ $appConfig = $this->createMock(IAppConfig::class);
+ $appConfig->expects($this->once())
+ ->method('getValueInt')
+ ->with('preview', 'jpeg_quality', 80)
+ ->willReturn(80);
+ $config = $this->createMock(IConfig::class);
+ $config->expects($this->once())
+ ->method('getSystemValueInt')
+ ->with('preview_max_memory', 256)
+ ->willReturn(256);
+ $img = new Image(null, $appConfig, $config);
+ $img->loadFromFile(OC::$SERVERROOT . '/tests/data/testimage.jpg');
+ $raw = imagecreatefromstring(file_get_contents(OC::$SERVERROOT . '/tests/data/testimage.jpg'));
+ imageinterlace($raw, true);
+ ob_start();
+ imagejpeg($raw, null, 80);
+ $expected = ob_get_clean();
+ $this->assertEquals($expected, $img->data());
+
+ $img = new Image();
+ $img->loadFromFile(OC::$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(): void {
+ $img = new Image();
+ $this->assertNull($img->data());
+ }
+
+ /**
+ * @depends testData
+ */
+ public function testToString(): void {
+ $img = new Image();
+ $img->loadFromFile(OC::$SERVERROOT . '/tests/data/testimage.png');
+ $expected = base64_encode($img->data());
+ $this->assertEquals($expected, (string)$img);
+
+ $img = new Image();
+ $img->loadFromData(file_get_contents(OC::$SERVERROOT . '/tests/data/testimage.jpg'));
+ $expected = base64_encode($img->data());
+ $this->assertEquals($expected, (string)$img);
+
+ $img = new Image();
+ $img->loadFromFile(OC::$SERVERROOT . '/tests/data/testimage.gif');
+ $expected = base64_encode($img->data());
+ $this->assertEquals($expected, (string)$img);
+ }
+
+ public function testResize(): void {
+ $img = new Image();
+ $img->loadFromFile(OC::$SERVERROOT . '/tests/data/testimage.png');
+ $this->assertTrue($img->resize(32));
+ $this->assertEquals(32, $img->width());
+ $this->assertEquals(32, $img->height());
+
+ $img = new Image();
+ $img->loadFromData(file_get_contents(OC::$SERVERROOT . '/tests/data/testimage.jpg'));
+ $this->assertTrue($img->resize(840));
+ $this->assertEquals(840, $img->width());
+ $this->assertEquals(525, $img->height());
+
+ $img = new Image();
+ $img->loadFromBase64(base64_encode(file_get_contents(OC::$SERVERROOT . '/tests/data/testimage.gif')));
+ $this->assertTrue($img->resize(100));
+ $this->assertEquals(100, $img->width());
+ $this->assertEquals(100, $img->height());
+ }
+
+ public function testPreciseResize(): void {
+ $img = new Image();
+ $img->loadFromFile(OC::$SERVERROOT . '/tests/data/testimage.png');
+ $this->assertTrue($img->preciseResize(128, 512));
+ $this->assertEquals(128, $img->width());
+ $this->assertEquals(512, $img->height());
+
+ $img = new Image();
+ $img->loadFromData(file_get_contents(OC::$SERVERROOT . '/tests/data/testimage.jpg'));
+ $this->assertTrue($img->preciseResize(64, 840));
+ $this->assertEquals(64, $img->width());
+ $this->assertEquals(840, $img->height());
+
+ $img = new Image();
+ $img->loadFromBase64(base64_encode(file_get_contents(OC::$SERVERROOT . '/tests/data/testimage.gif')));
+ $this->assertTrue($img->preciseResize(1000, 1337));
+ $this->assertEquals(1000, $img->width());
+ $this->assertEquals(1337, $img->height());
+ }
+
+ public function testCenterCrop(): void {
+ $img = new Image();
+ $img->loadFromFile(OC::$SERVERROOT . '/tests/data/testimage.png');
+ $img->centerCrop();
+ $this->assertEquals(128, $img->width());
+ $this->assertEquals(128, $img->height());
+
+ $img = new Image();
+ $img->loadFromData(file_get_contents(OC::$SERVERROOT . '/tests/data/testimage.jpg'));
+ $img->centerCrop();
+ $this->assertEquals(1050, $img->width());
+ $this->assertEquals(1050, $img->height());
+
+ $img = new Image();
+ $img->loadFromBase64(base64_encode(file_get_contents(OC::$SERVERROOT . '/tests/data/testimage.gif')));
+ $img->centerCrop(512);
+ $this->assertEquals(512, $img->width());
+ $this->assertEquals(512, $img->height());
+ }
+
+ public function testCrop(): void {
+ $img = new Image();
+ $img->loadFromFile(OC::$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 Image();
+ $img->loadFromData(file_get_contents(OC::$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 Image();
+ $img->loadFromBase64(base64_encode(file_get_contents(OC::$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(): array {
+ return [
+ ['testimage.png', [200, 100], [100, 100]],
+ ['testimage.jpg', [840, 840], [840, 525]],
+ ['testimage.gif', [200, 250], [200, 200]]
+ ];
+ }
+
+ /**
+ *
+ * @param string $filename
+ * @param int[] $asked
+ * @param int[] $expected
+ */
+ #[\PHPUnit\Framework\Attributes\DataProvider('sampleProvider')]
+ public function testFitIn($filename, $asked, $expected): void {
+ $img = new Image();
+ $img->loadFromFile(OC::$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(): array {
+ return [
+ ['testimage.png'],
+ ['testimage.jpg'],
+ ['testimage.gif']
+ ];
+ }
+
+ /**
+ * Image should not be resized if it's already smaller than what is required
+ *
+ *
+ * @param string $filename
+ */
+ #[\PHPUnit\Framework\Attributes\DataProvider('sampleFilenamesProvider')]
+ public function testScaleDownToFitWhenSmallerAlready($filename): void {
+ $img = new Image();
+ $img->loadFromFile(OC::$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(): array {
+ return [
+ ['testimage.png', [200, 100], [100, 100]],
+ ['testimage.jpg', [840, 840], [840, 525]],
+ ];
+ }
+
+ /**
+ *
+ * @param string $filename
+ * @param int[] $asked
+ * @param int[] $expected
+ */
+ #[\PHPUnit\Framework\Attributes\DataProvider('largeSampleProvider')]
+ public function testScaleDownWhenBigger($filename, $asked, $expected): void {
+ $img = new Image();
+ $img->loadFromFile(OC::$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], $img->height());
+ }
+
+ public static function convertDataProvider(): array {
+ return [
+ [ 'image/gif'],
+ [ 'image/jpeg'],
+ [ 'image/png'],
+ ];
+ }
+
+ #[\PHPUnit\Framework\Attributes\DataProvider('convertDataProvider')]
+ public function testConvert($mimeType): void {
+ $img = new Image();
+ $img->loadFromFile(OC::$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)));
+ }
+
+ public function testMemoryLimitFromFile(): void {
+ $img = new Image();
+ $img->loadFromFile(OC::$SERVERROOT . '/tests/data/testimage-badheader.jpg');
+ $this->assertFalse($img->valid());
+ }
+
+ public function testMemoryLimitFromData(): void {
+ $data = file_get_contents(OC::$SERVERROOT . '/tests/data/testimage-badheader.jpg');
+ $img = new Image();
+ $img->loadFromData($data);
+ $this->assertFalse($img->valid());
+ }
+}
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