Better error message for invalid autoload paths in composer.json (#117)

Author: janedbal

src/Analyser.php

@@ -345,7 +345,7 @@ private function listPhpFilesIn(string $path): Generator
         try {
             $iterator = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($path));
         } catch (UnexpectedValueException $e) {
-            throw new InvalidPathException("Unable to list files in $path", 0, $e);
+            throw new InvalidPathException("Unable to list files in $path", $e);
         }
 
         foreach ($iterator as $entry) {

src/ComposerJson.php

@@ -112,13 +112,13 @@ private function extractAutoloadPaths(string $basePath, array $autoload, bool $i
                     }
 
                     foreach ($globPaths as $globPath) {
-                        $result[Path::realpath($globPath)] = $isDev;
+                        $result[Path::normalize($globPath)] = $isDev;
                     }
 
                     continue;
                 }
 
-                $result[Path::realpath($absolutePath)] = $isDev;
+                $result[Path::normalize($absolutePath)] = $isDev;
             }
         }
 

src/Exception/RuntimeException.php

@@ -3,8 +3,14 @@
 namespace ShipMonk\ComposerDependencyAnalyser\Exception;
 
 use RuntimeException as NativeRuntimeException;
+use Throwable;
 
 class RuntimeException extends NativeRuntimeException
 {
 
+    public function __construct(string $message, ?Throwable $previous = null)
+    {
+        parent::__construct($message, 0, $previous);
+    }
+
 }

src/Initializer.php

@@ -68,7 +68,6 @@ public function __construct(
 
     /**
      * @throws InvalidConfigException
-     * @throws InvalidPathException
      */
     public function initConfiguration(
         CliOptions $options,
@@ -93,7 +92,7 @@ public function initConfiguration(
                     return require $configPath;
                 })();
             } catch (Throwable $e) {
-                throw new InvalidConfigException(get_class($e) . " in {$e->getFile()}:{$e->getLine()}\n > " . $e->getMessage(), 0, $e);
+                throw new InvalidConfigException("Error while loading configuration from '$configPath':\n\n" . get_class($e) . " in {$e->getFile()}:{$e->getLine()}\n > " . $e->getMessage(), $e);
             }
 
             if (!$config instanceof Configuration) {
@@ -135,8 +134,12 @@ public function initConfiguration(
         }
 
         if ($config->shouldScanComposerAutoloadPaths()) {
-            foreach ($composerJson->autoloadPaths as $absolutePath => $isDevPath) {
-                $config->addPathToScan($absolutePath, $isDevPath);
+            try {
+                foreach ($composerJson->autoloadPaths as $absolutePath => $isDevPath) {
+                    $config->addPathToScan($absolutePath, $isDevPath);
+                }
+            } catch (InvalidPathException $e) {
+                throw new InvalidConfigException('Error while processing composer.json autoload path: ' . $e->getMessage(), $e);
             }
 
             if ($config->getPathsToScan() === []) {