assert the linter is working

Author: jrushlow

tests/Util/TemplateLinterTest.php

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+<?php
+
+namespace Symfony\Bundle\MakerBundle\Tests\Util;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Bundle\MakerBundle\Util\TemplateLinter;
+use Symfony\Component\Filesystem\Filesystem;
+
+/**
+ * @author Jesse Rushlow <[email protected]>
+ */
+class TemplateLinterTest extends TestCase
+{
+    public function testLinterFixesPhpFile(): void
+    {
+        $linter = new TemplateLinter();
+
+        $fixture = $this->copySourceToTemp('TemplateLinterController.php');
+
+        $linter->lintPhpTemplate($fixture);
+
+        self::assertFileEquals(__DIR__.'/fixtures/template_linter/ExpectedTemplateLinterController.php', $fixture);
+    }
+
+    /** @dataProvider pathProvider */
+    public function testLinterThrowsExceptionIfBinaryOrArgumentDoNotExist(string $binaryPath, string $configPath): void
+    {
+        $this->expectExceptionMessage('Either the config or binary for PHP_CS_FIXER does not exist.');
+
+        new TemplateLinter($binaryPath, $configPath);
+    }
+
+    public function pathProvider(): \Generator
+    {
+        yield 'Binary Path Wrong' => ['/bad/path', dirname(__DIR__, 2).'/src/Resources/config/php-cs-fixer.config.php'];
+        yield 'Config Path Wrong' => [dirname(__DIR__, 2).'/src/Bin/php-cs-fixer-v3.13.0.phar', '/bad/path'];
+        yield 'Both Paths Wrong' => ['/bad/path', '/bad/path'];
+    }
+
+    private function copySourceToTemp(string $sourceFileName): string
+    {
+        $file = new Filesystem();
+        $sourcePath = __DIR__.'/fixtures/source/';
+        $tmpLocation = dirname(__DIR__).'/tmp/cache/linter-test/';
+
+        $file->copy($sourcePath.$sourceFileName, $tmpLocation.$sourceFileName);
+
+        return $tmpLocation.$sourceFileName;
+    }
+}

tests/Util/fixtures/source/TemplateLinterController.php

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+<?php
+namespace Symfony\Bundle\MakerBundle\Tests\Util\fixtures\source;
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\HttpFoundation\Response;
+/**
+ * @author Jesse Rushlow <[email protected]>
+ */
+class TemplateLinterController extends AbstractController
+{
+    public function index(): Response{return $this->render('some/template.html.twig');}
+}

tests/Util/fixtures/template_linter/ExpectedTemplateLinterController.php

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+<?php
+
+namespace Symfony\Bundle\MakerBundle\Tests\Util\fixtures\source;
+
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\HttpFoundation\Response;
+
+/**
+ * @author Jesse Rushlow <[email protected]>
+ */
+class TemplateLinterController extends AbstractController
+{
+    public function index(): Response
+    {
+        return $this->render('some/template.html.twig');
+    }
+}