Throw a better exception if binary is not found (and catch it in test)

.travis.yml

@@ -28,6 +28,8 @@ before_install: |
     make
     sudo make install
     sudo ldconfig /usr/local/lib
+    which magick
+    find /usr/local -iname "*magick*"
     cd ..
     mkdir -p build/logs
 

Command.php

@@ -118,11 +118,7 @@ public static function findMagickBinaryPath(?string $magickBinaryPath): string
         // Add a proper directory separator at the end if path is not empty.
         // If it's empty, then it's set in the global path.
         if ($magickBinaryPath && !\is_file($magickBinaryPath)) {
-            throw new \InvalidArgumentException(\sprintf(
-                'The specified path (%s) is not a file.'."\n".
-                'You must set the "magickBinaryPath" parameter as the main "magick" binary installed by ImageMagick.',
-                $magickBinaryPath
-            ));
+            throw new MagickBinaryNotFoundException($magickBinaryPath);
         }
 
         if (!\is_executable($magickBinaryPath)) {

MagickBinaryNotFoundException.php

@@ -0,0 +1,28 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the OrbitaleImageMagickPHP package.
+ *
+ * (c) Alexandre Rock Ancelet <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Orbitale\Component\ImageMagick;
+
+use Exception;
+
+class MagickBinaryNotFoundException extends Exception
+{
+    public function __construct(string $magickBinaryPath)
+    {
+        parent::__construct(\sprintf(
+            'The specified path (%s) is not a file.'."\n".
+            'You must set the "magickBinaryPath" parameter as the main "magick" binary installed by ImageMagick.',
+            $magickBinaryPath
+        ));
+    }
+}

Tests/bootstrap.php

@@ -10,6 +10,7 @@
  */
 
 use Orbitale\Component\ImageMagick\Command;
+use Orbitale\Component\ImageMagick\MagickBinaryNotFoundException;
 
 $file = __DIR__ . '/../vendor/autoload.php';
 if (!file_exists($file)) {
@@ -36,12 +37,15 @@
         // Could happen if "getenv()" returns false or empty string.
         continue;
     }
-    $path = Command::findMagickBinaryPath($path);
     echo 'Check "'.$path.'" binary'."\n";
-    exec($path.' -version', $o, $code);
-    if (0 === $code) {
-        define('IMAGEMAGICK_DIR', $path);
-        break;
+    try {
+        $path = Command::findMagickBinaryPath($path);
+        exec($path.' -version', $o, $code);
+        if (0 === $code) {
+            define('IMAGEMAGICK_DIR', $path);
+            break;
+        }
+    } catch (MagickBinaryNotFoundException $e) {
     }
 }