Improve unit tests for image generation

Signed-off-by: Julius Haertl <jus@bitgrid.net>

11 files changed, 207 insertions, 151 deletions

diff --git a/apps/theming/lib/Controller/IconController.php b/apps/theming/lib/Controller/IconController.php
index 56782992ab3..5770bd20742 100644
--- a/apps/theming/lib/Controller/IconController.php
+++ b/apps/theming/lib/Controller/IconController.php
@@ -53,6 +53,7 @@ class IconController extends Controller {
 	/** @var IRootFolder */
 	private $rootFolder;
 
+
 	/**
 	 * IconController constructor.
 	 *
@@ -94,10 +95,10 @@ class IconController extends Controller {
 	 * @return StreamResponse|DataResponse
 	 */
 	public function getThemedIcon($app, $image) {
-		$image = $this->getAppImage($app, $image);
+		$image = $this->util->getAppImage($app, $image);
 		$svg = file_get_contents($image);
 		$color = $this->util->elementColor($this->themingDefaults->getMailHeaderColor());
-		$svg = $this->colorizeSvg($svg, $color);
+		$svg = $this->util->colorizeSvg($svg, $color);
 
 		$response = new DataDisplayResponse($svg, Http::STATUS_OK, ['Content-Type' => 'image/svg+xml']);
 		$response->cacheFor(86400);
@@ -152,24 +153,19 @@ class IconController extends Controller {
 	 * @return Imagick
 	 */
 	private function renderAppIcon($app) {
-		$appIcon = $this->getAppIcon($app);
+		$appIcon = $this->util->getAppIcon($app);
 		$color = $this->themingDefaults->getMailHeaderColor();
 		$mime = mime_content_type($appIcon);
-		// FIXME: test if we need this
-		if ($color === "") {
-			$color = '#0082c9';
-		}
 		// generate background image with rounded corners
 		$background = '<?xml version="1.0" encoding="UTF-8"?>' .
 			'<svg xmlns="http://www.w3.org/2000/svg" version="1.1" xmlns:cc="http://creativecommons.org/ns#" width="512" height="512" xmlns:xlink="http://www.w3.org/1999/xlink">' .
 			'<rect x="0" y="0" rx="75" ry="75" width="512" height="512" style="fill:' . $color . ';" />' .
 			'</svg>';
 
-
 		// resize svg magic as this seems broken in Imagemagick
 		if($mime === "image/svg+xml") {
 			$svg = file_get_contents($appIcon);
-			
+
 			$tmp = new Imagick();
 			$tmp->readImageBlob($svg);
 			$x = $tmp->getImageWidth();
@@ -214,76 +210,6 @@ class IconController extends Controller {
 		return $finalIconFile;
 	}
 
-	/**
-	 * @param $app app name
-	 * @return string path to app icon / logo
-	 */
-	private function getAppIcon($app) {
-		$appPath = \OC_App::getAppPath($app);
-
-		$icon = $appPath . '/img/' . $app . '.svg';
-		if(file_exists($icon)) {
-			return $icon;
-		}
-		$icon = $appPath . '/img/app.svg';
-		if(file_exists($icon)) {
-			return $icon;
-		}
-
-		if($this->rootFolder->nodeExists('/themedinstancelogo')) {
-			return $this->config->getSystemValue('datadirectory', \OC::$SERVERROOT . '/data/') . '/themedinstancelogo';
-		}
-		return \OC::$SERVERROOT . '/core/img/logo.svg';
-	}
-
-	/**
-	 * @param $app app name
-	 * @param $image relative path to image in app folder
-	 * @return string absolute path to image
-	 */
-	private function getAppImage($app, $image) {
-		$appPath = \OC_App::getAppPath($app);
-
-		if($app==="core") {
-			$icon = \OC::$SERVERROOT . '/core/img/' . $image;
-			if(file_exists($icon)) {
-				return $icon;
-			}
-		}
 
-		$icon = $appPath . '/img/' . $image;
-		if(file_exists($icon)) {
-			return $icon;
-		}
-		$icon = $appPath . '/img/' . $image . '.svg';
-		if(file_exists($icon)) {
-			return $icon;
-		}
-		$icon = $appPath . '/img/' . $image . '.png';
-		if(file_exists($icon)) {
-			return $icon;
-		}
-		$icon = $appPath . '/img/' . $image . '.gif';
-		if(file_exists($icon)) {
-			return $icon;
-		}
-		$icon = $appPath . '/img/' . $image . '.jpg';
-		if(file_exists($icon)) {
-			return $icon;
-		}
-		return false;
-	}
-	
-	/**
-	 * replace default color with a custom one
-	 *
-	 * @param $svg content of a svg file
-	 * @param $color color to match
-	 * @return string
-	 */
-	private function colorizeSvg($svg, $color) {
-		$svg = preg_replace('/#0082c9/i', $color, $svg);
-		return $svg;
-	}
 	
 }
\ No newline at end of file
diff --git a/apps/theming/lib/Util.php b/apps/theming/lib/Util.php
index 71ed0958e42..8aa5f50ede2 100644
--- a/apps/theming/lib/Util.php
+++ b/apps/theming/lib/Util.php
@@ -23,8 +23,19 @@
 
 namespace OCA\Theming;
 
+use OCP\IConfig;
+use OCP\Files\IRootFolder;
+
 class Util {
 
+	private $config;
+	private $rootFolder;
+
+	public function __construct(IConfig $config, IRootFolder $rootFolder) {
+		$this->config = $config;
+		$this->rootFolder = $rootFolder;
+	}
+
 	/**
 	 * @param string $color rgb color value
 	 * @return bool
@@ -81,4 +92,77 @@ class Util {
 		return base64_encode($radioButtonIcon);
 	}
 
+
+	/**
+	 * @param $app app name
+	 * @return string path to app icon / logo
+	 */
+	public function getAppIcon($app) {
+		$appPath = \OC_App::getAppPath($app);
+
+		$icon = $appPath . '/img/' . $app . '.svg';
+		if(file_exists($icon)) {
+			return $icon;
+		}
+		$icon = $appPath . '/img/app.svg';
+		if(file_exists($icon)) {
+			return $icon;
+		}
+
+		if($this->config->getAppValue('theming', 'logoMime', '') !== '' && $this->rootFolder->nodeExists('/themedinstancelogo')) {
+			return $this->config->getSystemValue('datadirectory', \OC::$SERVERROOT . '/data/') . '/themedinstancelogo';
+		}
+		return \OC::$SERVERROOT . '/core/img/logo.svg';
+	}
+
+	/**
+	 * @param $app app name
+	 * @param $image relative path to image in app folder
+	 * @return string absolute path to image
+	 */
+	public function getAppImage($app, $image) {
+		$appPath = \OC_App::getAppPath($app);
+
+		if($app==="core") {
+			$icon = \OC::$SERVERROOT . '/core/img/' . $image;
+			if(file_exists($icon)) {
+				return $icon;
+			}
+		}
+
+		$icon = $appPath . '/img/' . $image;
+		if(file_exists($icon)) {
+			return $icon;
+		}
+		$icon = $appPath . '/img/' . $image . '.svg';
+		if(file_exists($icon)) {
+			return $icon;
+		}
+		$icon = $appPath . '/img/' . $image . '.png';
+		if(file_exists($icon)) {
+			return $icon;
+		}
+		$icon = $appPath . '/img/' . $image . '.gif';
+		if(file_exists($icon)) {
+			return $icon;
+		}
+		$icon = $appPath . '/img/' . $image . '.jpg';
+		if(file_exists($icon)) {
+			return $icon;
+		}
+		return false;
+	}
+
+	/**
+	 * replace default color with a custom one
+	 *
+	 * @param $svg content of a svg file
+	 * @param $color color to match
+	 * @return string
+	 */
+	public function colorizeSvg($svg, $color) {
+		$svg = preg_replace('/#0082c9/i', $color, $svg);
+		return $svg;
+	}
+
 }
diff --git a/apps/theming/tests/Controller/IconControllerTest.php b/apps/theming/tests/Controller/IconControllerTest.php
index e22369aa744..22d4ae343a1 100644
--- a/apps/theming/tests/Controller/IconControllerTest.php
+++ b/apps/theming/tests/Controller/IconControllerTest.php
@@ -35,7 +35,7 @@ use Test\TestCase;
 use OCA\Theming\ThemingDefaults;
 use \Imagick;
 
-class ThemingControllerTest extends TestCase {
+class IconControllerTest extends TestCase {
 	/** @var IRequest|\PHPUnit_Framework_MockObject_MockObject */
 	private $request;
 	/** @var IConfig|\PHPUnit_Framework_MockObject_MockObject */
@@ -54,11 +54,21 @@ class ThemingControllerTest extends TestCase {
 	private $rootFolder;
 
 	public function setUp() {
+
+		if(!extension_loaded('imagick')) {
+			$this->markTestSkipped('Tests skipped as Imagemagick is required for dynamic icon generation.');
+		}
+		$checkImagick = new \Imagick();
+		if (count($checkImagick->queryFormats('SVG')) < 1) {
+			$this->markTestSkipped('No SVG provider present');
+		}
+
 		$this->request = $this->getMockBuilder('OCP\IRequest')->getMock();
 		$this->config = $this->getMockBuilder('OCP\IConfig')->getMock();
 		$this->themingDefaults = $this->getMockBuilder('OCA\Theming\ThemingDefaults')
 			->disableOriginalConstructor()->getMock();
-		$this->util = new Util();
+		$this->util = $this->getMockBuilder('\OCA\Theming\Util')->disableOriginalConstructor()
+			->setMethods(['getAppImage', 'getAppIcon', 'elementColor'])->getMock();
 		$this->timeFactory = $this->getMockBuilder('OCP\AppFramework\Utility\ITimeFactory')
 			->disableOriginalConstructor()
 			->getMock();
@@ -84,10 +94,19 @@ class ThemingControllerTest extends TestCase {
 	}
 
 	public function testGetThemedIcon() {
+		$this->util->expects($this->once())
+			->method('getAppImage')
+			->with('core','filetypes/folder.svg')
+			->willReturn(\OC::$SERVERROOT . "/core/img/filetypes/folder.svg");
 		$this->themingDefaults
 			->expects($this->once())
 			->method('getMailHeaderColor')
 			->willReturn('#000000');
+		$this->util
+			->expects($this->once())
+			->method('elementColor')
+			->willReturn('#000000');
+
 		$svg = "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>
 <svg xmlns=\"http://www.w3.org/2000/svg\" height=\"16\" width=\"16\" version=\"1.0\">
  <g fill-rule=\"evenodd\" transform=\"matrix(.86667 0 0 .86667 -172.05 -864.43)\" fill=\"#000000\">
@@ -102,23 +121,27 @@ class ThemingControllerTest extends TestCase {
 	}
 
 	public function testGetFaviconDefault() {
-		$favicon = $this->iconController->getFavicon();
 
-		$expectedIcon = $this->invokePrivate($this->iconController, 'renderAppIcon', ["core"]);
-		$expectedIcon->resizeImage(32, 32, Imagick::FILTER_LANCZOS, 1);
-		$expectedIcon->setImageFormat("png24");
+		$this->util->expects($this->once())
+			->method('getAppIcon')
+			->with('core')
+			->willReturn(\OC::$SERVERROOT . "/core/img/logo.svg");
 
+		$favicon = $this->iconController->getFavicon();
+		$expectedIcon = new \Imagick(realpath(dirname(__FILE__)) . '/../data/favicon-original.ico');
 		$expected = new DataDisplayResponse($expectedIcon, Http::STATUS_OK, ['Content-Type' => 'image/x-icon']);
 		$expected->cacheFor(86400);
 		$expected->addHeader('Expires', date(\DateTime::RFC2822, $this->timeFactory->getTime()));
 		$this->assertEquals($expected, $favicon);
 	}
 	public function testGetTouchIconDefault() {
-		$favicon = $this->iconController->getTouchIcon();
 
-		$expectedIcon = $this->invokePrivate($this->iconController, 'renderAppIcon', ["core"]);
-		$expectedIcon->resizeImage(512, 512, Imagick::FILTER_LANCZOS, 1);
-		$expectedIcon->setImageFormat("png24");
+		$this->util->expects($this->once())
+			->method('getAppIcon')
+			->with('core')
+			->willReturn(\OC::$SERVERROOT . "/core/img/logo.svg");
+		$favicon = $this->iconController->getTouchIcon();
+		$expectedIcon = new \Imagick(realpath(dirname(__FILE__)) . '/../data/touch-original.png');
 
 		$expected = new DataDisplayResponse($expectedIcon, Http::STATUS_OK, ['Content-Type' => 'image/png']);
 		$expected->cacheFor(86400);
@@ -126,76 +149,42 @@ class ThemingControllerTest extends TestCase {
 		$this->assertEquals($expected, $favicon);
 	}
 
-	public function testRenderAppIcon() {
-		$this->themingDefaults->expects($this->once())
-			->method('getMailHeaderColor')
-			->willReturn('#000000');
+	/**
+	 * @dataProvider dataRenderAppIcon
+	 * @param $appicon
+	 * @param $color
+	 * @param $file
+	 */
+	public function testRenderAppIcon($app, $appicon, $color, $file) {
 
-		$icon = $this->invokePrivate($this->iconController, 'renderAppIcon', ['core']);
-		$this->assertEquals(true, $icon->valid());
-		$this->assertEquals(512, $icon->getImageWidth());
-		$this->assertEquals(512, $icon->getImageHeight());
-		
-	}
-	public function testRenderAppIconColor() {
+		$this->util->expects($this->once())
+			->method('getAppIcon')
+			->with($app)
+			->willReturn(\OC::$SERVERROOT . "/"  . $appicon);
 		$this->themingDefaults->expects($this->once())
 			->method('getMailHeaderColor')
-			->willReturn('#0082c9');
+			->willReturn($color);
+
+		$expectedIcon = new \Imagick(realpath(dirname(__FILE__)). "/../data/" . $file);
+
+		$icon = $this->invokePrivate($this->iconController, 'renderAppIcon', [$app]);
 
-		$icon = $this->invokePrivate($this->iconController, 'renderAppIcon', ['core']);
 		$this->assertEquals(true, $icon->valid());
 		$this->assertEquals(512, $icon->getImageWidth());
 		$this->assertEquals(512, $icon->getImageHeight());
-
-	}
-
-
-	/**
-	 * @dataProvider dataGetAppIcon
-	 */
-	public function testGetAppIcon($app, $expected) {
-		$icon = $this->invokePrivate($this->iconController, 'getAppIcon', [$app]);
-		$this->assertEquals($expected, $icon);
-	}
-
-	public function dataGetAppIcon() {
-		return [
-			['user_ldap', \OC_App::getAppPath('user_ldap') . '/img/app.svg'],
-			['noapplikethis', \OC::$SERVERROOT . '/core/img/logo.svg'],
-			['comments', \OC_App::getAppPath('comments') . '/img/comments.svg'],
-		];
-	}
-
-	public function testGetAppIconThemed() {
-		$this->rootFolder->expects($this->once())
-			->method('nodeExists')
-			->with('/themedinstancelogo')
-			->willReturn(true);
-		$expected = '/themedinstancelogo';
-		$icon = $this->invokePrivate($this->iconController, 'getAppIcon', ['noapplikethis']);
-		$this->assertEquals($expected, $icon);
+		$this->assertEquals($icon, $expectedIcon);
+		//$this->assertLessThan(0.0005, $expectedIcon->compareImages($icon, Imagick::METRIC_MEANABSOLUTEERROR)[1]);
+		
 	}
 
-	/**
-	 * @dataProvider dataGetAppImage
-	 */
-	public function testGetAppImage($app, $image, $expected) {
-		$this->assertEquals($expected, $this->invokePrivate($this->iconController, 'getAppImage', [$app, $image]));
-	}
-	public function dataGetAppImage() {
+	public function dataRenderAppIcon() {
 		return [
-			['core', 'logo.svg', \OC::$SERVERROOT . '/core/img/logo.svg'],
-			['files', 'external', \OC::$SERVERROOT . '/apps/files/img/external.svg'],
-			['files', 'external.svg', \OC::$SERVERROOT . '/apps/files/img/external.svg'],
-			['noapplikethis', 'foobar.svg', false],
+			['core','core/img/logo.svg', '#0082c9', 'touch-original.png'],
+			['core','core/img/logo.svg', '#FF0000', 'touch-core-red.png'],
+			['testing','apps/testing/img/app.svg', '#FF0000', 'touch-testing-red.png'],
+			['comments','apps/comments/img/comments.svg', '#0082c9', 'touch-comments.png'],
+			['core','core/img/logo.png', '#0082c9', 'touch-original-png.png'],
 		];
 	}
 
-	public function testColorizeSvg() {
-		$input = "#0082c9 #0082C9 #000000 #FFFFFF";
-		$expected = "#AAAAAA #AAAAAA #000000 #FFFFFF";
-		$result = $this->invokePrivate($this->iconController, 'colorizeSvg', [$input, '#AAAAAA']);
-		$this->assertEquals($expected, $result);
-	}
-
 }
diff --git a/apps/theming/tests/Controller/ThemingControllerTest.php b/apps/theming/tests/Controller/ThemingControllerTest.php
index 5de16a7abdf..b065046fdba 100644
--- a/apps/theming/tests/Controller/ThemingControllerTest.php
+++ b/apps/theming/tests/Controller/ThemingControllerTest.php
@@ -61,12 +61,12 @@ class ThemingControllerTest extends TestCase {
 		$this->config = $this->getMockBuilder('OCP\IConfig')->getMock();
 		$this->template = $this->getMockBuilder('OCA\Theming\ThemingDefaults')
 			->disableOriginalConstructor()->getMock();
-		$this->util = new Util();
 		$this->timeFactory = $this->getMockBuilder('OCP\AppFramework\Utility\ITimeFactory')
 			->disableOriginalConstructor()
 			->getMock();
 		$this->l10n = $this->getMockBuilder('OCP\IL10N')->getMock();
 		$this->rootFolder = $this->getMockBuilder('OCP\Files\IRootFolder')->getMock();
+		$this->util = new Util($this->config, $this->rootFolder);
 		$this->timeFactory->expects($this->any())
 			->method('getTime')
 			->willReturn(123);
diff --git a/apps/theming/tests/UtilTest.php b/apps/theming/tests/UtilTest.php
index c7fc385d25d..499a3ffc45d 100644
--- a/apps/theming/tests/UtilTest.php
+++ b/apps/theming/tests/UtilTest.php
@@ -23,16 +23,22 @@
 namespace OCA\Theming\Tests;
 
 use OCA\Theming\Util;
+use OCP\IConfig;
+use OCP\Files\IRootFolder;
 use Test\TestCase;
 
 class UtilTest extends TestCase {
 
 	/** @var Util */
 	protected $util;
-
+	/** @var IConfig */
+	protected $config;
+	protected $rootFolder;
 	protected function setUp() {
 		parent::setUp();
-		$this->util = new Util();
+		$this->config = $this->getMockBuilder('\OCP\IConfig')->getMock();
+		$this->rootFolder = $this->getMockBuilder('OCP\Files\IRootFolder')->getMock();
+		$this->util = new Util($this->config, $this->rootFolder);
 	}
 
 	public function testInvertTextColorLight() {
@@ -94,4 +100,55 @@ class UtilTest extends TestCase {
 		$expected = 'PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIGhlaWdodD0iMTYiIHdpZHRoPSIxNiI+PHBhdGggZD0iTTggMWE3IDcgMCAwIDAtNyA3IDcgNyAwIDAgMCA3IDcgNyA3IDAgMCAwIDctNyA3IDcgMCAwIDAtNy03em0wIDFhNiA2IDAgMCAxIDYgNiA2IDYgMCAwIDEtNiA2IDYgNiAwIDAgMS02LTYgNiA2IDAgMCAxIDYtNnptMCAyYTQgNCAwIDEgMCAwIDggNCA0IDAgMCAwIDAtOHoiIGZpbGw9IiMwMDAwMDAiLz48L3N2Zz4=';
 		$this->assertEquals($expected, $button);
 	}
+
+
+
+	/**
+	 * @dataProvider dataGetAppIcon
+	 */
+	public function testGetAppIcon($app, $expected) {
+		$icon = $this->util->getAppIcon($app);
+		$this->assertEquals($expected, $icon);
+	}
+
+	public function dataGetAppIcon() {
+		return [
+			['user_ldap', \OC_App::getAppPath('user_ldap') . '/img/app.svg'],
+			['noapplikethis', \OC::$SERVERROOT . '/core/img/logo.svg'],
+			['comments', \OC_App::getAppPath('comments') . '/img/comments.svg'],
+		];
+	}
+
+	public function testGetAppIconThemed() {
+		$this->rootFolder->expects($this->once())
+			->method('nodeExists')
+			->with('/themedinstancelogo')
+			->willReturn(true);
+		$expected = '/themedinstancelogo';
+		$icon = $this->util->getAppIcon('noapplikethis');
+		$this->assertEquals($expected, $icon);
+	}
+
+	/**
+	 * @dataProvider dataGetAppImage
+	 */
+	public function testGetAppImage($app, $image, $expected) {
+		$this->assertEquals($expected, $this->util->getAppImage($app, $image));
+	}
+	public function dataGetAppImage() {
+		return [
+			['core', 'logo.svg', \OC::$SERVERROOT . '/core/img/logo.svg'],
+			['files', 'external', \OC::$SERVERROOT . '/apps/files/img/external.svg'],
+			['files', 'external.svg', \OC::$SERVERROOT . '/apps/files/img/external.svg'],
+			['noapplikethis', 'foobar.svg', false],
+		];
+	}
+
+	public function testColorizeSvg() {
+		$input = "#0082c9 #0082C9 #000000 #FFFFFF";
+		$expected = "#AAAAAA #AAAAAA #000000 #FFFFFF";
+		$result = $this->util->colorizeSvg($input, '#AAAAAA');
+		$this->assertEquals($expected, $result);
+	}
+
 }
diff --git a/apps/theming/tests/data/favicon-original.ico b/apps/theming/tests/data/favicon-original.ico
new file mode 100644
index 00000000000..fab2f7f0231
--- /dev/null
+++ b/apps/theming/tests/data/favicon-original.ico
diff --git a/apps/theming/tests/data/touch-comments.png b/apps/theming/tests/data/touch-comments.png
new file mode 100644
index 00000000000..af0d2ca579b
--- /dev/null
+++ b/apps/theming/tests/data/touch-comments.png
diff --git a/apps/theming/tests/data/touch-core-red.png b/apps/theming/tests/data/touch-core-red.png
new file mode 100644
index 00000000000..7a492f10e21
--- /dev/null
+++ b/apps/theming/tests/data/touch-core-red.png
diff --git a/apps/theming/tests/data/touch-original-png.png b/apps/theming/tests/data/touch-original-png.png
new file mode 100644
index 00000000000..6997dfc6b88
--- /dev/null
+++ b/apps/theming/tests/data/touch-original-png.png
diff --git a/apps/theming/tests/data/touch-original.png b/apps/theming/tests/data/touch-original.png
new file mode 100644
index 00000000000..ac39872aa6e
--- /dev/null
+++ b/apps/theming/tests/data/touch-original.png
diff --git a/apps/theming/tests/data/touch-testing-red.png b/apps/theming/tests/data/touch-testing-red.png
new file mode 100644
index 00000000000..4cbdfbbb42c
--- /dev/null
+++ b/apps/theming/tests/data/touch-testing-red.png