diff --git a/module/VuFind/src/VuFind/Controller/QRCodeController.php b/module/VuFind/src/VuFind/Controller/QRCodeController.php
index 1064045555d8b68a7e219a6c7751a31e31256a7c..0967300e7e32e59b9c171dd50db79dc54b830859 100644
--- a/module/VuFind/src/VuFind/Controller/QRCodeController.php
+++ b/module/VuFind/src/VuFind/Controller/QRCodeController.php
@@ -113,7 +113,7 @@ class QRCodeController extends AbstractBase
$headers->addHeaderLine(
'Content-type', $this->getLoader()->getContentType()
);
- $response->setContent($this->getLoader()->getQrCode());
+ $response->setContent($this->getLoader()->getImage());
return $response;
}
}
diff --git a/module/VuFind/src/VuFind/Cover/Loader.php b/module/VuFind/src/VuFind/Cover/Loader.php
index c9b3bbc0768aa2a1e9646b76d1689bcfa5b0abea..05c480c3e9a4793afa954ce15917e5fe534d6b4a 100644
--- a/module/VuFind/src/VuFind/Cover/Loader.php
+++ b/module/VuFind/src/VuFind/Cover/Loader.php
@@ -28,8 +28,7 @@
*/
namespace VuFind\Cover;
use VuFind\Code\ISBN,
- VuFind\Content\Covers\PluginManager as ApiManager,
- Zend\Log\LoggerInterface;
+ VuFind\Content\Covers\PluginManager as ApiManager;
/**
* Book Cover Generator
@@ -41,7 +40,7 @@ use VuFind\Code\ISBN,
* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License
* @link http://vufind.org/wiki/use_of_external_content Wiki
*/
-class Loader implements \Zend\Log\LoggerAwareInterface
+class Loader extends \VuFind\ImageLoader
{
/**
* filename constructed from ISBN
@@ -127,34 +126,6 @@ class Loader implements \Zend\Log\LoggerAwareInterface
*/
protected $type;
- /**
- * Property for storing raw image data; may be null if image is unavailable
- *
- * @var string
- */
- protected $image = null;
-
- /**
- * Content type of data in $image property
- *
- * @var string
- */
- protected $contentType = null;
-
- /**
- * Logger (or false for none)
- *
- * @var LoggerInterface|bool
- */
- protected $logger = false;
-
- /**
- * Theme tools
- *
- * @var \VuFindTheme\ThemeInfo
- */
- protected $themeTools;
-
/**
* Constructor
*
@@ -168,69 +139,17 @@ class Loader implements \Zend\Log\LoggerAwareInterface
public function __construct($config, ApiManager $manager,
\VuFindTheme\ThemeInfo $theme, \Zend\Http\Client $client, $baseDir = null
) {
+ $this->setThemeInfo($theme);
$this->config = $config;
+ $this->configuredFailImage = isset($config->Content->noCoverAvailableImage)
+ ? $config->Content->noCoverAvailableImage : null;
$this->apiManager = $manager;
- $this->themeTools = $theme;
$this->client = $client;
$this->baseDir = (null === $baseDir)
? rtrim(sys_get_temp_dir(), '\\/') . '/covers'
: rtrim($baseDir, '\\/');
}
- /**
- * Set the logger
- *
- * @param LoggerInterface $logger Logger to use.
- *
- * @return void
- */
- public function setLogger(LoggerInterface $logger)
- {
- $this->logger = $logger;
- }
-
- /**
- * Log a debug message.
- *
- * @param string $msg Message to log.
- *
- * @return void
- */
- protected function debug($msg)
- {
- if ($this->logger) {
- $this->logger->debug($msg);
- }
- }
-
- /**
- * Get the image data (usually called after loadImage)
- *
- * @return string
- */
- public function getImage()
- {
- // No image loaded? Use "unavailable" as default:
- if (null === $this->image) {
- $this->loadUnavailable();
- }
- return $this->image;
- }
-
- /**
- * Get the content type of the current image (usually called after loadImage)
- *
- * @return string
- */
- public function getContentType()
- {
- // No content type loaded? Use "unavailable" as default:
- if (null === $this->contentType) {
- $this->loadUnavailable();
- }
- return $this->contentType;
- }
-
/**
* Get Cover Generator Object
*
@@ -449,93 +368,6 @@ class Loader implements \Zend\Log\LoggerAwareInterface
return false;
}
- /**
- * Find a file in the themes (return false if no file exists).
- *
- * @param string $path Relative path of file to find.
- * @param array $formats Optional array of suffixes to add to $path while
- * searching theme (used to check multiple extensions in each theme).
- *
- * @return string|bool
- */
- protected function searchTheme($path, $formats = array(''))
- {
- // Check all supported image formats:
- $filenames = array();
- foreach ($formats as $format) {
- $filenames[] = $path . $format;
- }
- $fileMatch = $this->themeTools->findContainingTheme($filenames, true);
- return empty($fileMatch) ? false : $fileMatch;
- }
-
- /**
- * Load the user-specified "cover unavailable" graphic (or default if none
- * specified).
- *
- * @return void
- * @author Thomas Schwaerzler <vufind-tech@lists.sourceforge.net>
- */
- public function loadUnavailable()
- {
- // No setting -- use default, and don't log anything:
- if (!isset($this->config->Content->noCoverAvailableImage)) {
- return $this->loadDefaultFailImage();
- }
-
- // Setting found -- get "no cover" image from config.ini:
- $configuredImage = $this->config->Content->noCoverAvailableImage;
- $noCoverImage = $this->searchTheme($configuredImage);
-
- // If file is blank/inaccessible, log error and display default:
- if (empty($noCoverImage) || !file_exists($noCoverImage)
- || !is_readable($noCoverImage)
- ) {
- $this->debug("Cannot access '{$configuredImage}'");
- return $this->loadDefaultFailImage();
- }
-
- // Array containing map of allowed file extensions to mimetypes
- // (to be extended)
- $allowedFileExtensions = array(
- "gif" => "image/gif",
- "jpeg" => "image/jpeg", "jpg" => "image/jpeg",
- "png" => "image/png",
- "tiff" => "image/tiff", "tif" => "image/tiff"
- );
-
- // Log error and bail out if file lacks a known image extension:
- $parts = explode('.', $noCoverImage);
- $fileExtension = strtolower(end($parts));
- if (!array_key_exists($fileExtension, $allowedFileExtensions)) {
- $this->debug(
- "Illegal file-extension '$fileExtension' for image '$noCoverImage'"
- );
- return $this->loadDefaultFailImage();
- }
-
- // Get mime type from file extension:
- $this->contentType = $allowedFileExtensions[$fileExtension];
-
- // Load the image data:
- $this->image = file_get_contents($noCoverImage);
- }
-
- /**
- * Display the default "cover unavailable" graphic.
- *
- * @return void
- */
- protected function loadDefaultFailImage()
- {
- $this->contentType = 'image/gif';
- $file = $this->searchTheme('images/noCover2.gif');
- if (!file_exists($file)) {
- throw new \Exception('Could not load default fail image.');
- }
- $this->image = file_get_contents($file);
- }
-
/**
* Support method for validateAndMoveTempFile -- convert non-JPEG image data to a
* JPEG file.
diff --git a/module/VuFind/src/VuFind/ImageLoader.php b/module/VuFind/src/VuFind/ImageLoader.php
new file mode 100644
index 0000000000000000000000000000000000000000..46cfeb39e5d341d2b1e39d313fce6be8b5b53fc0
--- /dev/null
+++ b/module/VuFind/src/VuFind/ImageLoader.php
@@ -0,0 +1,264 @@
+<?php
+/**
+ * Base class for loading images (shared by Cover\Loader and QRCode\Loader)
+ *
+ * PHP version 5
+ *
+ * Copyright (C) Villanova University 2007.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * @category VuFind2
+ * @package Cover_Generator
+ * @author Andrew S. Nagy <vufind-tech@lists.sourceforge.net>
+ * @author Demian Katz <demian.katz@villanova.edu>
+ * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License
+ * @link http://vufind.org/wiki/use_of_external_content Wiki
+ */
+namespace VuFind;
+use Zend\Log\LoggerInterface;
+
+/**
+ * Base class for loading images (shared by Cover\Loader and QRCode\Loader)
+ *
+ * @category VuFind2
+ * @package Cover_Generator
+ * @author Andrew S. Nagy <vufind-tech@lists.sourceforge.net>
+ * @author Demian Katz <demian.katz@villanova.edu>
+ * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License
+ * @link http://vufind.org/wiki/use_of_external_content Wiki
+ */
+class ImageLoader implements \Zend\Log\LoggerAwareInterface
+{
+ /**
+ * Property for storing raw image data; may be null if image is unavailable
+ *
+ * @var string
+ */
+ protected $image = null;
+
+ /**
+ * Content type of data in $image property
+ *
+ * @var string
+ */
+ protected $contentType = null;
+
+ /**
+ * Logger (or false for none)
+ *
+ * @var LoggerInterface|bool
+ */
+ protected $logger = false;
+
+ /**
+ * Theme tools
+ *
+ * @var \VuFindTheme\ThemeInfo
+ */
+ protected $themeTools = null;
+
+ /**
+ * User-configured image to load from theme on error.
+ *
+ * @var string
+ */
+ protected $configuredFailImage = null;
+
+ /**
+ * Default image to load from theme if user-configured option fails.
+ *
+ * @var string
+ */
+ protected $defaultFailImage = 'images/noCover2.gif';
+
+ /**
+ * Array containing map of allowed file extensions to mimetypes
+ * (to be extended)
+ *
+ * @var array
+ */
+ protected $allowedFileExtensions = array(
+ "gif" => "image/gif",
+ "jpeg" => "image/jpeg", "jpg" => "image/jpeg",
+ "png" => "image/png",
+ "tiff" => "image/tiff", "tif" => "image/tiff"
+ );
+
+ /**
+ * Setter for dependency
+ *
+ * @param \VuFindTheme\ThemeInfo $theme VuFind theme tools
+ *
+ * @return void
+ */
+ public function setThemeInfo(\VuFindTheme\ThemeInfo $theme)
+ {
+ $this->themeTools = $theme;
+ }
+
+ /**
+ * Set the logger
+ *
+ * @param LoggerInterface $logger Logger to use.
+ *
+ * @return void
+ */
+ public function setLogger(LoggerInterface $logger)
+ {
+ $this->logger = $logger;
+ }
+
+ /**
+ * Log a debug message.
+ *
+ * @param string $msg Message to log.
+ *
+ * @return void
+ */
+ protected function debug($msg)
+ {
+ if ($this->logger) {
+ $this->logger->debug($msg);
+ }
+ }
+
+ /**
+ * Get the image data (not meant to be called until after image is populated)
+ *
+ * @return string
+ */
+ public function getImage()
+ {
+ // No image loaded? Use "unavailable" as default:
+ if (null === $this->image) {
+ $this->loadUnavailable();
+ }
+ return $this->image;
+ }
+
+ /**
+ * Get the content type of the current image (not meant to be called until after
+ * contentType is populated)
+ *
+ * @return string
+ */
+ public function getContentType()
+ {
+ // No content type loaded? Use "unavailable" as default:
+ if (null === $this->contentType) {
+ $this->loadUnavailable();
+ }
+ return $this->contentType;
+ }
+
+ /**
+ * Find a file in the themes (return false if no file exists).
+ *
+ * @param string $path Relative path of file to find.
+ * @param array $formats Optional array of suffixes to add to $path while
+ * searching theme (used to check multiple extensions in each theme).
+ *
+ * @return string|bool
+ */
+ protected function searchTheme($path, $formats = array(''))
+ {
+ // Check all supported image formats:
+ $filenames = array();
+ foreach ($formats as $format) {
+ $filenames[] = $path . $format;
+ }
+ if (null === $this->themeTools) {
+ throw new \Exception('\VuFindTheme\ThemeInfo object missing');
+ }
+ $fileMatch = $this->themeTools->findContainingTheme($filenames, true);
+ return empty($fileMatch) ? false : $fileMatch;
+ }
+
+ /**
+ * Load the user-specified "cover unavailable" graphic (or default if none
+ * specified).
+ *
+ * @return void
+ * @author Thomas Schwaerzler <vufind-tech@lists.sourceforge.net>
+ */
+ public function loadUnavailable()
+ {
+ // No setting -- use default, and don't log anything:
+ if (empty($this->configuredFailImage)) {
+ return $this->loadDefaultFailImage();
+ }
+
+ // Setting found -- get "no cover" image from config.ini:
+ $noCoverImage = $this->searchTheme($this->configuredFailImage);
+
+ // If file is blank/inaccessible, log error and display default:
+ if (empty($noCoverImage) || !file_exists($noCoverImage)
+ || !is_readable($noCoverImage)
+ ) {
+ $this->debug("Cannot access '{$this->configuredFailImage}'");
+ return $this->loadDefaultFailImage();
+ }
+
+ try {
+ // Get mime type from file extension:
+ $this->contentType = $this->getContentTypeFromExtension($noCoverImage);
+ } catch (\Exception $e) {
+ // Log error and bail out if file lacks a known image extension:
+ $this->debug($e->getMessage());
+ return $this->loadDefaultFailImage();
+ }
+
+ // Load the image data:
+ $this->image = file_get_contents($noCoverImage);
+ }
+
+ /**
+ * Display the default "cover unavailable" graphic.
+ *
+ * @return void
+ */
+ protected function loadDefaultFailImage()
+ {
+ $file = $this->searchTheme($this->defaultFailImage);
+ if (!file_exists($file)) {
+ throw new \Exception('Could not load default fail image.');
+ }
+ $this->contentType = $this->getContentTypeFromExtension($file);
+ $this->image = file_get_contents($file);
+ }
+
+ /**
+ * Get the content-type for a file based on extension. Throw an exception if
+ * an illegal extension is provided.
+ *
+ * @param string $filename Filename to analyze.
+ *
+ * @return string
+ * @throws \Exception
+ */
+ protected function getContentTypeFromExtension($filename)
+ {
+ $parts = explode('.', $filename);
+ $fileExtension = strtolower(end($parts));
+ if (!array_key_exists($fileExtension, $this->allowedFileExtensions)) {
+ throw new \Exception(
+ "Illegal file-extension '$fileExtension' for image '$filename'"
+ );
+ }
+
+ // Get mime type from file extension:
+ return $this->allowedFileExtensions[$fileExtension];
+ }
+}
diff --git a/module/VuFind/src/VuFind/QRCode/Loader.php b/module/VuFind/src/VuFind/QRCode/Loader.php
index 2bf41a2c275bc110d6b907cf8e6efe00a2c7e592..a9b91287334cc88e9452dfc1011b1c489bf77dd9 100644
--- a/module/VuFind/src/VuFind/QRCode/Loader.php
+++ b/module/VuFind/src/VuFind/QRCode/Loader.php
@@ -20,7 +20,7 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* @category VuFind2
- * @package Cover_Generator
+ * @package QRCode_Generator
* @author Andrew S. Nagy <vufind-tech@lists.sourceforge.net>
* @author Demian Katz <demian.katz@villanova.edu>
* @author Luke O'Sullivan <l.osullivan@swansea.ac.uk>
@@ -28,10 +28,10 @@
* @link http://vufind.org/wiki/use_of_external_content Wiki
*/
namespace VuFind\QRCode;
-use \PHPQRCode, Zend\Log\LoggerInterface;
+use \PHPQRCode;
/**
- * Book Cover Generator
+ * QR Code Generator
*
* @category VuFind2
* @package QRCode_Generator
@@ -41,7 +41,7 @@ use \PHPQRCode, Zend\Log\LoggerInterface;
* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License
* @link http://vufind.org/wiki/use_of_external_content Wiki
*/
-class Loader implements \Zend\Log\LoggerAwareInterface
+class Loader extends \VuFind\ImageLoader
{
/**
* property to hold VuFind configuration settings
@@ -50,20 +50,6 @@ class Loader implements \Zend\Log\LoggerAwareInterface
*/
protected $config;
- /**
- * Property for storing raw qrcode data; may be null if image is unavailable
- *
- * @var string
- */
- protected $qrcode = null;
-
- /**
- * Content type of data in $qrcode property
- *
- * @var string
- */
- protected $contentType = null;
-
/**
* The text used to generate the QRCode
*
@@ -80,20 +66,6 @@ class Loader implements \Zend\Log\LoggerAwareInterface
'level' => "L", 'size' => "3", 'margin' => "4"
);
- /**
- * Logger (or false for none)
- *
- * @var LoggerInterface|bool
- */
- protected $logger = false;
-
- /**
- * Theme tools
- *
- * @var \VuFindTheme\ThemeInfo
- */
- protected $themeTools;
-
/**
* Constructor
*
@@ -102,65 +74,15 @@ class Loader implements \Zend\Log\LoggerAwareInterface
*/
public function __construct($config, \VuFindTheme\ThemeInfo $theme) {
$this->config = $config;
- $this->themeTools = $theme;
+ $this->setThemeInfo($theme);
+ $this->configuredFailImage
+ = isset($this->config->QRCode->noQRCodeAvailableImage)
+ ? $this->config->QRCode->noQRCodeAvailableImage : null;
+ $this->defaultFailImage = 'images/noQRCode.gif';
}
/**
- * Set the logger
- *
- * @param LoggerInterface $logger Logger to use.
- *
- * @return void
- */
- public function setLogger(LoggerInterface $logger)
- {
- $this->logger = $logger;
- }
-
- /**
- * Log a debug message.
- *
- * @param string $msg Message to log.
- *
- * @return void
- */
- protected function debug($msg)
- {
- if ($this->logger) {
- $this->logger->debug($msg);
- }
- }
-
- /**
- * Get the QrCode data (usually called after loadQrCode)
- *
- * @return string
- */
- public function getQRCode()
- {
- // No image loaded? Use "unavailable" as default:
- if (is_null($this->qrcode)) {
- $this->loadUnavailable();
- }
- return $this->image;
- }
-
- /**
- * Get the content type of the current image (usually called after loadImage)
- *
- * @return string
- */
- public function getContentType()
- {
- // No content type loaded? Use "unavailable" as default:
- if (is_null($this->contentType)) {
- $this->loadUnavailable();
- }
- return $this->contentType;
- }
-
- /**
- * Load an image given an ISBN and/or content type.
+ * Set up a QR code image
*
* @param string $text The QR code text
* @param array $params QR code parameters (level/size/margin)
@@ -179,9 +101,9 @@ class Loader implements \Zend\Log\LoggerAwareInterface
}
/**
- * Load bookcover fom URL from cache or remote provider and display if possible.
+ * Generate a QR code image
*
- * @return bool True if image displayed, false on failure.
+ * @return bool True if image displayed, false on failure.
*/
protected function fetchQRCode()
{
@@ -189,93 +111,10 @@ class Loader implements \Zend\Log\LoggerAwareInterface
return false;
}
$this->contentType = 'image/png';
- $this->qrcode = PHPQRCode\QRcode::PNG(
+ $this->image = PHPQRCode\QRcode::PNG(
$this->text, false,
$this->params['level'], $this->params['size'], $this->params['margin']
);
return true;
}
-
- /**
- * Find a file in the themes (return false if no file exists).
- *
- * @param string $path Relative path of file to find.
- * @param array $formats Optional array of suffixes to add to $path while
- * searching theme (used to check multiple extensions in each theme).
- *
- * @return string|bool
- */
- protected function searchTheme($path, $formats = array(''))
- {
- // Check all supported image formats:
- $filenames = array();
- foreach ($formats as $format) {
- $filenames[] = $path . $format;
- }
- $fileMatch = $this->themeTools->findContainingTheme($filenames, true);
- return empty($fileMatch) ? false : $fileMatch;
- }
-
- /**
- * Load the user-specified "cover unavailable" graphic (or default if none
- * specified).
- *
- * @return void
- * @author Thomas Schwaerzler <vufind-tech@lists.sourceforge.net>
- */
- public function loadUnavailable()
- {
- // Get "no qrcode" image from config.ini:
- $noQRCodeImage = isset($this->config->QRCode->noQRCodeAvailableImage )
- ? $this->searchTheme($this->config->QRCode->noQRCodeAvailableImage)
- : null;
-
- // No setting -- use default, and don't log anything:
- if (empty($noQRCodeImage)) {
- // log?
- return $this->loadDefaultFailImage();
- }
-
- // If file defined but does not exist, log error and display default:
- if (!file_exists($noQRCodeImage) || !is_readable($noQRCodeImage)) {
- $this->debug("Cannot access file: '$noQRCodeImage'");
- return $this->loadDefaultFailImage();
- }
-
- // Array containing map of allowed file extensions to mimetypes
- // (to be extended)
- $allowedFileExtensions = array(
- "gif" => "image/gif",
- "jpeg" => "image/jpeg", "jpg" => "image/jpeg",
- "png" => "image/png",
- "tiff" => "image/tiff", "tif" => "image/tiff"
- );
-
- // Log error and bail out if file lacks a known image extension:
- $parts = explode('.', $noQRCodeImage);
- $fileExtension = strtolower(end($parts));
- if (!array_key_exists($fileExtension, $allowedFileExtensions)) {
- $this->debug(
- "Illegal file-extension '$fileExtension' for image '$noQRCodeImage'"
- );
- return $this->loadDefaultFailImage();
- }
-
- // Get mime type from file extension:
- $this->contentType = $allowedFileExtensions[$fileExtension];
-
- // Load the image data:
- $this->image = file_get_contents($noQRCodeImage);
- }
-
- /**
- * Display the default "qrcode unavailable" graphic and terminate execution.
- *
- * @return void
- */
- protected function loadDefaultFailImage()
- {
- $this->contentType = 'image/gif';
- $this->image = file_get_contents($this->searchTheme('images/noQRCode.gif'));
- }
}
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/QRCode/LoaderTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/QRCode/LoaderTest.php
new file mode 100644
index 0000000000000000000000000000000000000000..fa67a1b2b0ff13c5209697748e38ba6d506c92cb
--- /dev/null
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/QRCode/LoaderTest.php
@@ -0,0 +1,108 @@
+<?php
+/**
+ * QR Code Loader Test Class
+ *
+ * PHP version 5
+ *
+ * Copyright (C) Villanova University 2010.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * @category VuFind2
+ * @package Tests
+ * @author Demian Katz <demian.katz@villanova.edu>
+ * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License
+ * @link http://vufind.org/wiki/vufind2:unit_tests Wiki
+ */
+namespace VuFindTest\QRCode;
+use VuFind\QRCode\Loader;
+use VuFindTheme\ThemeInfo;
+use Zend\Config\Config;
+
+/**
+ * QR Code Loader Test Class
+ *
+ * @category VuFind2
+ * @package Tests
+ * @author Demian Katz <demian.katz@villanova.edu>
+ * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License
+ * @link http://vufind.org/wiki/vufind2:unit_tests Wiki
+ */
+class LoaderTest extends \VuFindTest\Unit\TestCase
+{
+ /**
+ * Theme to use for testing purposes.
+ *
+ * @var string
+ */
+ protected $testTheme = 'bootstrap3';
+
+ /**
+ * Test that failure to load even the baseline image causes an exception.
+ *
+ * @return void
+ * @expectedException Exception
+ * @expectedExceptionMessage Could not load default fail image.
+ */
+ public function testUtterFailure()
+ {
+ $theme = $this->getMock('VuFindTheme\ThemeInfo', array(), array('foo', 'bar'));
+ $theme->expects($this->once())->method('findContainingTheme')->with($this->equalTo(array('images/noQRCode.gif')))->will($this->returnValue(false));
+ $loader = $this->getLoader(array(), $theme);
+ $loader->getImage();
+ }
+
+ /**
+ * Test that requesting a blank QR code returns the fail image.
+ *
+ * @return void
+ */
+ public function testDefaultLoadingForBlankText()
+ {
+ $loader = $this->getLoader();
+ $this->assertEquals('image/gif', $loader->getContentType());
+ $this->assertEquals('483', strlen($loader->getImage()));
+ }
+
+ /**
+ * Get a loader object to test.
+ *
+ * @param array $config Configuration
+ * @param ThemeInfo $theme Theme info object (null to create default)
+ * @param array|bool $mock Array of functions to mock, or false for real object
+ *
+ * @return void
+ */
+ protected function getLoader($config = array(), $theme = null, $mock = false)
+ {
+ $config = new Config($config);
+ if (null === $theme) {
+ $theme = new ThemeInfo($this->getThemeDir(), $this->testTheme);
+ }
+ if ($mock) {
+ return $this->getMock('VuFind\QRCode\Loader', $mock, array($config, $theme));
+ }
+ return new Loader($config, $theme);
+ }
+
+ /**
+ * Get the theme directory.
+ *
+ * @return string
+ */
+ protected function getThemeDir()
+ {
+ return realpath(__DIR__ . '/../../../../../../../themes');
+ }
+}
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