Add test

Author: SanderMuller

tests/ErrorFormatter/Fixture/expected_single_message_many_files_report_verbose.txt

@@ -0,0 +1,10 @@
+ ---------------------------%s
+  /data/folder/with space/and unicode 😃/project/folder with unicode 😃/file name with "spaces" and unicode 😃.php:4
+ ---------------------------%s
+  - '#Foo#'
+  🪪 identical.alwaysFalse
+ ---------------------------%s
+
+
+ [ERROR] Found 1 errors
+

tests/ErrorFormatter/SymplifyErrorFormatterVerboseTest.php

@@ -0,0 +1,61 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Symplify\PHPStanExtensions\Tests\ErrorFormatter;
+
+use Iterator;
+use PHPStan\Analyser\Error;
+use PHPStan\Command\AnalysisResult;
+use PHPStan\ShouldNotHappenException;
+use PHPStan\Testing\ErrorFormatterTestCase;
+use PHPUnit\Framework\Attributes\DataProvider;
+use Symplify\PHPStanExtensions\ErrorFormatter\SymplifyErrorFormatter;
+
+/**
+ * @see https://github.com/phpstan/phpstan-src/blob/1.8.x/tests/PHPStan/Command/ErrorFormatter/RawErrorFormatterTest.php
+ */
+final class SymplifyErrorFormatterVerboseTest extends ErrorFormatterTestCase
+{
+    #[DataProvider('provideData')]
+    public function testFormatErrors(
+        string $message,
+        int    $expectedExitCode,
+        int    $numFileErrors,
+        int    $numGenericErrors,
+        string $expectedOutputFile,
+    ): void {
+        $symplifyErrorFormatter = self::getContainer()->getByType(SymplifyErrorFormatter::class);
+
+        $analysisResult = $this->getAnalysisResult($numFileErrors, $numGenericErrors);
+        $output = $this->getOutput(verbose: true);
+        $resultCode = $symplifyErrorFormatter->formatErrors($analysisResult, $output);
+
+        $this->assertSame($expectedExitCode, $resultCode);
+
+        $this->assertStringMatchesFormatFile($expectedOutputFile, $this->getOutputContent(verbose: true));
+    }
+
+    /**
+     * @return Iterator<mixed>
+     */
+    public static function provideData(): Iterator
+    {
+        yield ['Some message', 1, 1, 1, __DIR__ . '/Fixture/expected_single_message_many_files_report_verbose.txt'];
+    }
+
+    /**
+     * @return string[]
+     */
+    public static function getAdditionalConfigFiles(): array
+    {
+        return [__DIR__ . '/../../config/config.neon'];
+    }
+
+    protected function getAnalysisResult($numFileErrors, int $numGenericErrors): AnalysisResult
+    {
+        $fileErrors = [new Error('Foo', self::DIRECTORY_PATH . '/folder with unicode 😃/file name with "spaces" and unicode 😃.php', 4, identifier: 'identical.alwaysFalse')];
+
+        return new AnalysisResult($fileErrors, [], [], [], [], \false, null, \true, 0, \false, []);
+    }
+}