add grouped error formatter test

Author: FeBe95

tests/PHPStan/Command/ErrorFormatter/GroupedErrorFormatterTest.php

@@ -0,0 +1,153 @@
+<?php declare(strict_types = 1);
+
+namespace PHPStan\Command\ErrorFormatter;
+
+use PHPStan\File\FuzzyRelativePathHelper;
+use PHPStan\File\NullRelativePathHelper;
+use PHPStan\Testing\ErrorFormatterTestCase;
+use function sprintf;
+
+class GroupedErrorFormatterTest extends ErrorFormatterTestCase
+{
+
+	public function dataFormatterOutputProvider(): iterable
+	{
+		yield [
+			'message' => 'No errors',
+			'exitCode' => 0,
+			'numFileErrors' => 0,
+			'numGenericErrors' => 0,
+			'expected' => '
+ [OK] No errors
+
+',
+		];
+
+		yield [
+			'message' => 'One file error',
+			'exitCode' => 1,
+			'numFileErrors' => 1,
+			'numGenericErrors' => 0,
+			'expected' => '[without identifier] (1x):
+	- /data/folder/with space/and unicode 😃/project/folder with unicode 😃/file name with "spaces" and unicode 😃.php:4: Foo
+
+
+ [ERROR] Found 1 error
+
+',
+		];
+
+		yield [
+			'message' => 'One generic error',
+			'exitCode' => 1,
+			'numFileErrors' => 0,
+			'numGenericErrors' => 1,
+			'expected' => '?:?:first generic error
+
+ [ERROR] Found 1 error
+
+',
+		];
+
+		yield [
+			'message' => 'Multiple file errors',
+			'exitCode' => 1,
+			'numFileErrors' => 4,
+			'numGenericErrors' => 0,
+			'expected' => '[without identifier] (4x):
+	- /data/folder/with space/and unicode 😃/project/folder with unicode 😃/file name with "spaces" and unicode 😃.php:2: Bar
+Bar2
+	- /data/folder/with space/and unicode 😃/project/folder with unicode 😃/file name with "spaces" and unicode 😃.php:4: Foo
+	- /data/folder/with space/and unicode 😃/project/foo.php:1: Foo<Bar>
+	- /data/folder/with space/and unicode 😃/project/foo.php:5: Bar
+Bar2
+
+
+ [ERROR] Found 4 errors
+
+',
+		];
+
+		yield [
+			'message' => 'Multiple generic errors',
+			'exitCode' => 1,
+			'numFileErrors' => 0,
+			'numGenericErrors' => 2,
+			'expected' => '?:?:first generic error
+?:?:second generic<error>
+
+ [ERROR] Found 2 errors
+
+',
+		];
+
+		yield [
+			'message' => 'Multiple file, multiple generic errors',
+			'exitCode' => 1,
+			'numFileErrors' => 4,
+			'numGenericErrors' => 2,
+			'expected' => '[without identifier] (4x):
+	- /data/folder/with space/and unicode 😃/project/folder with unicode 😃/file name with "spaces" and unicode 😃.php:2: Bar
+Bar2
+	- /data/folder/with space/and unicode 😃/project/folder with unicode 😃/file name with "spaces" and unicode 😃.php:4: Foo
+	- /data/folder/with space/and unicode 😃/project/foo.php:1: Foo<Bar>
+	- /data/folder/with space/and unicode 😃/project/foo.php:5: Bar
+Bar2
+
+?:?:first generic error
+?:?:second generic<error>
+
+ [ERROR] Found 6 errors
+
+',
+		];
+
+		yield [
+			'message' => 'One file error with identifier',
+			'exitCode' => 1,
+			'numFileErrors' => [5, 6],
+			'numGenericErrors' => 0,
+			'expected' => '[foobar.buz] (1x):
+	- /data/folder/with space/and unicode 😃/project/foo.php:5: Foobar\Buz
+
+
+ [ERROR] Found 1 error
+
+',
+		];
+	}
+
+	/**
+	 * @dataProvider dataFormatterOutputProvider
+	 * @param array{int, int}|int $numFileErrors
+	 */
+	public function testFormatErrors(
+		string $message,
+		int $exitCode,
+		array|int $numFileErrors,
+		int $numGenericErrors,
+		string $expected,
+	): void
+	{
+		$formatter = $this->createErrorFormatter(null);
+
+		$this->assertSame($exitCode, $formatter->formatErrors(
+			$this->getAnalysisResult($numFileErrors, $numGenericErrors),
+			$this->getOutput(),
+		), sprintf('%s: response code do not match', $message));
+
+		$this->assertEquals($expected, $this->getOutputContent(), sprintf('%s: output do not match', $message));
+	}
+
+	private function createErrorFormatter(?string $editorUrl, ?string $editorUrlTitle = null): GroupedErrorFormatter
+	{
+		$relativePathHelper = new FuzzyRelativePathHelper(new NullRelativePathHelper(), self::DIRECTORY_PATH, [], '/');
+
+		return new GroupedErrorFormatter(
+			$relativePathHelper,
+			$editorUrl,
+			$editorUrlTitle,
+		);
+	}
+
+}