[Console] The application also catch \Throwable exceptions

Author: lyrixx

Application.php

@@ -79,6 +79,7 @@ class Application implements ResetInterface
     private string $version;
     private ?CommandLoaderInterface $commandLoader = null;
     private bool $catchExceptions = true;
+    private bool $catchErrors = false;
     private bool $autoExit = true;
     private InputDefinition $definition;
     private HelperSet $helperSet;
@@ -172,8 +173,11 @@ public function run(InputInterface $input = null, OutputInterface $output = null
 
         try {
             $exitCode = $this->doRun($input, $output);
-        } catch (\Exception $e) {
-            if (!$this->catchExceptions) {
+        } catch (\Throwable $e) {
+            if ($e instanceof \Exception && !$this->catchExceptions) {
+                throw $e;
+            }
+            if (!$e instanceof \Exception && !$this->catchErrors) {
                 throw $e;
             }
 
@@ -427,6 +431,14 @@ public function setCatchExceptions(bool $boolean)
         $this->catchExceptions = $boolean;
     }
 
+    /**
+     * Sets whether to catch errors or not during commands execution.
+     */
+    public function setCatchErrors(bool $catchErrors = true): void
+    {
+        $this->catchErrors = $catchErrors;
+    }
+
     /**
      * Gets whether to automatically exit after a command execution or not.
      */

CHANGELOG.md

@@ -6,6 +6,7 @@ CHANGELOG
 
  * Add `SignalMap` to map signal value to its name
  * Multi-line text in vertical tables is aligned properly
+ * The application can also catch errors with `Application::setCatchErrors(true)`
 
 6.3
 ---

Tests/ApplicationTest.php

@@ -771,10 +771,15 @@ public function testFindAmbiguousCommandsIfAllAlternativesAreHidden()
         $this->assertInstanceOf(\FooCommand::class, $application->find('foo:'));
     }
 
-    public function testSetCatchExceptions()
+    /**
+     * @testWith [true]
+     *           [false]
+     */
+    public function testSetCatchExceptions(bool $catchErrors)
     {
         $application = new Application();
         $application->setAutoExit(false);
+        $application->setCatchErrors($catchErrors);
         putenv('COLUMNS=120');
         $tester = new ApplicationTester($application);
 
@@ -798,6 +803,33 @@ public function testSetCatchExceptions()
         }
     }
 
+    /**
+     * @testWith [true]
+     *           [false]
+     */
+    public function testSetCatchErrors(bool $catchExceptions)
+    {
+        $application = new Application();
+        $application->setAutoExit(false);
+        $application->setCatchExceptions($catchExceptions);
+        $application->add((new Command('boom'))->setCode(fn () => throw new \Error('This is an error.')));
+
+        putenv('COLUMNS=120');
+        $tester = new ApplicationTester($application);
+
+        try {
+            $tester->run(['command' => 'boom']);
+            $this->fail('The exception is not catched.');
+        } catch (\Throwable $e) {
+            $this->assertInstanceOf(\Error::class, $e);
+            $this->assertSame('This is an error.', $e->getMessage());
+        }
+
+        $application->setCatchErrors(true);
+        $tester->run(['command' => 'boom']);
+        $this->assertStringContainsString('  This is an error.', $tester->getDisplay(true));
+    }
+
     public function testAutoExitSetting()
     {
         $application = new Application();