[Form] Add ambiguous & exception debug:form tests

src/Symfony/Component/Form/Command/DebugCommand.php

@@ -118,7 +118,7 @@ EOF
             return $classes[0];
         }
         if (!$input->isInteractive()) {
-            throw new InvalidArgumentException(sprintf("The type \"%s\" is ambiguous.\nDid you mean one of these?\n    %s", $shortClassName, implode("\n    ", $classes)));
+            throw new InvalidArgumentException(sprintf("The type \"%s\" is ambiguous.\n\nDid you mean one of these?\n    %s", $shortClassName, implode("\n    ", $classes)));
         }
 
         return $io->choice(sprintf("The type \"%s\" is ambiguous.\n\n Select one of the following form types to display its information:", $shortClassName), $classes, $classes[0]);

src/Symfony/Component/Form/Tests/Command/DebugCommandTest.php

@@ -13,11 +13,11 @@ namespace Symfony\Component\Form\Tests\Command;
 
 use PHPUnit\Framework\TestCase;
 use Symfony\Component\Console\Application;
+use Symfony\Component\Console\Exception\InvalidArgumentException;
 use Symfony\Component\Console\Tester\CommandTester;
 use Symfony\Component\Form\Command\DebugCommand;
-use Symfony\Component\Form\Extension\Core\Type\FormType;
-use Symfony\Component\Form\FormRegistryInterface;
-use Symfony\Component\Form\ResolvedFormTypeInterface;
+use Symfony\Component\Form\FormRegistry;
+use Symfony\Component\Form\ResolvedFormTypeFactory;
 
 class DebugCommandTest extends TestCase
 {
@@ -39,6 +39,67 @@ class DebugCommandTest extends TestCase
         $this->assertContains('Symfony\Component\Form\Extension\Core\Type\FormType (Block prefix: "form")', $tester->getDisplay());
     }
 
+    /**
+     * @expectedException \Symfony\Component\Console\Exception\InvalidArgumentException
+     * @expectedExceptionMessage Could not find type "NonExistentType"
+     */
+    public function testDebugSingleFormTypeNotFound()
+    {
+        $tester = $this->createCommandTester();
+        $tester->execute(array('class' => 'NonExistentType'), array('decorated' => false, 'interactive' => false));
+    }
+
+    public function testDebugAmbiguousFormType()
+    {
+        $expectedMessage = <<<TXT
+The type "AmbiguousType" is ambiguous.
+
+Did you mean one of these?
+    Symfony\Component\Form\Tests\Fixtures\Debug\A\AmbiguousType
+    Symfony\Component\Form\Tests\Fixtures\Debug\B\AmbiguousType
+TXT;
+
+        if (method_exists($this, 'expectException')) {
+            $this->expectException(InvalidArgumentException::class);
+            $this->expectExceptionMessage($expectedMessage);
+        } else {
+            $this->setExpectedException(InvalidArgumentException::class, $expectedMessage);
+        }
+
+        $tester = $this->createCommandTester(array(
+            'Symfony\Component\Form\Tests\Fixtures\Debug\A',
+            'Symfony\Component\Form\Tests\Fixtures\Debug\B',
+        ));
+
+        $tester->execute(array('class' => 'AmbiguousType'), array('decorated' => false, 'interactive' => false));
+    }
+
+    public function testDebugAmbiguousFormTypeInteractive()
+    {
+        $tester = $this->createCommandTester(array(
+            'Symfony\Component\Form\Tests\Fixtures\Debug\A',
+            'Symfony\Component\Form\Tests\Fixtures\Debug\B',
+        ));
+
+        $tester->setInputs(array(0));
+        $tester->execute(array('class' => 'AmbiguousType'), array('decorated' => false, 'interactive' => true));
+
+        $this->assertEquals(0, $tester->getStatusCode(), 'Returns 0 in case of success');
+        $output = $tester->getDisplay(true);
+        $this->assertStringMatchesFormat(<<<TXT
+
+ The type "AmbiguousType" is ambiguous.
+
+ Select one of the following form types to display its information: [%A\A\AmbiguousType]:
+  [0] %A\A\AmbiguousType
+  [1] %A\B\AmbiguousType
+%A
+%A\A\AmbiguousType (Block prefix: "ambiguous")
+%A
+TXT
+        , $output);
+    }
+
     /**
      * @expectedException \InvalidArgumentException
      */
@@ -47,36 +108,10 @@ class DebugCommandTest extends TestCase
         $this->createCommandTester()->execute(array('class' => 'test'));
     }
 
-    /**
-     * @return CommandTester
-     */
-    private function createCommandTester()
+    private function createCommandTester(array $namespaces = null)
     {
-        $resolvedFormType = $this->getMockBuilder(ResolvedFormTypeInterface::class)->getMock();
-        $resolvedFormType
-            ->expects($this->any())
-            ->method('getParent')
-            ->willReturn(null)
-        ;
-        $resolvedFormType
-            ->expects($this->any())
-            ->method('getInnerType')
-            ->willReturn(new FormType())
-        ;
-        $resolvedFormType
-            ->expects($this->any())
-            ->method('getTypeExtensions')
-            ->willReturn(array())
-        ;
-
-        $formRegistry = $this->getMockBuilder(FormRegistryInterface::class)->getMock();
-        $formRegistry
-            ->expects($this->any())
-            ->method('getType')
-            ->will($this->returnValue($resolvedFormType))
-        ;
-
-        $command = new DebugCommand($formRegistry);
+        $formRegistry = new FormRegistry(array(), new ResolvedFormTypeFactory());
+        $command = null === $namespaces ? new DebugCommand($formRegistry) : new DebugCommand($formRegistry, $namespaces);
         $application = new Application();
         $application->add($command);
 

src/Symfony/Component/Form/Tests/Fixtures/Debug/A/AmbiguousType.php

@@ -0,0 +1,18 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Form\Tests\Fixtures\Debug\A;
+
+use Symfony\Component\Form\AbstractType;
+
+class AmbiguousType extends AbstractType
+{
+}

src/Symfony/Component/Form/Tests/Fixtures/Debug/B/AmbiguousType.php

@@ -0,0 +1,18 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Form\Tests\Fixtures\Debug\B;
+
+use Symfony\Component\Form\AbstractType;
+
+class AmbiguousType extends AbstractType
+{
+}