<?php declare(strict_types = 1);

namespace SlevomatCodingStandard\Sniffs\Functions;

use SlevomatCodingStandard\Sniffs\TestCase;

class ArrowFunctionDeclarationSniffTest extends TestCase
{

	public function testDefaultSettingsNoErrors(): void
	{
		$report = self::checkFile(__DIR__ . '/data/arrowFunctionDeclarationDefaultSettingsNoErrors.php');
		self::assertNoSniffErrorInFile($report);
	}

	public function testDefaultSettingsErrors(): void
	{
		$report = self::checkFile(__DIR__ . '/data/arrowFunctionDeclarationDefaultSettingsErrors.php');

		self::assertSame(9, $report->getErrorCount());

		self::assertSniffError($report, 3, ArrowFunctionDeclarationSniff::CODE_INCORRECT_SPACES_AFTER_KEYWORD, 'There must be exactly 1 whitespace after "fn" keyword.');
		self::assertSniffError($report, 3, ArrowFunctionDeclarationSniff::CODE_INCORRECT_SPACES_BEFORE_ARROW, 'There must be exactly 1 whitespace before =>.');
		self::assertSniffError($report, 3, ArrowFunctionDeclarationSniff::CODE_INCORRECT_SPACES_AFTER_ARROW, 'There must be exactly 1 whitespace after =>.');
		self::assertSniffError($report, 5, ArrowFunctionDeclarationSniff::CODE_INCORRECT_SPACES_AFTER_KEYWORD, 'There must be exactly 1 whitespace after "fn" keyword.');
		self::assertSniffError($report, 5, ArrowFunctionDeclarationSniff::CODE_INCORRECT_SPACES_BEFORE_ARROW, 'There must be exactly 1 whitespace before =>.');
		self::assertSniffError($report, 5, ArrowFunctionDeclarationSniff::CODE_INCORRECT_SPACES_AFTER_ARROW, 'There must be exactly 1 whitespace after =>.');
		self::assertSniffError($report, 7, ArrowFunctionDeclarationSniff::CODE_INCORRECT_SPACES_AFTER_KEYWORD, 'There must be exactly 1 whitespace after "fn" keyword.');
		self::assertSniffError($report, 9, ArrowFunctionDeclarationSniff::CODE_INCORRECT_SPACES_BEFORE_ARROW, 'There must be exactly 1 whitespace before =>.');
		self::assertSniffError($report, 9, ArrowFunctionDeclarationSniff::CODE_INCORRECT_SPACES_AFTER_ARROW, 'There must be exactly 1 whitespace after =>.');

		self::assertAllFixedInFile($report);
	}

	public function testModifiedSettingsNoErrors(): void
	{
		$report = self::checkFile(__DIR__ . '/data/arrowFunctionDeclarationModifiedSettingsNoErrors.php', [
			'spacesCountAfterKeyword' => 0,
			'spacesCountBeforeArrow' => 2,
			'spacesCountAfterArrow' => 3,
			'allowMultiLine' => true,
		]);
		self::assertNoSniffErrorInFile($report);
	}

	public function testModifiedSettingsErrors(): void
	{
		$report = self::checkFile(__DIR__ . '/data/arrowFunctionDeclarationModifiedSettingsErrors.php', [
			'spacesCountAfterKeyword' => 0,
			'spacesCountBeforeArrow' => 2,
			'spacesCountAfterArrow' => 3,
			'allowMultiLine' => true,
		]);

		self::assertSame(8, $report->getErrorCount());

		self::assertSniffError($report, 3, ArrowFunctionDeclarationSniff::CODE_INCORRECT_SPACES_AFTER_KEYWORD, 'There must be no whitespace after "fn" keyword.');
		self::assertSniffError($report, 3, ArrowFunctionDeclarationSniff::CODE_INCORRECT_SPACES_BEFORE_ARROW, 'There must be exactly 2 whitespaces before =>.');
		self::assertSniffError($report, 3, ArrowFunctionDeclarationSniff::CODE_INCORRECT_SPACES_AFTER_ARROW, 'There must be exactly 3 whitespaces after =>.');
		self::assertSniffError($report, 5, ArrowFunctionDeclarationSniff::CODE_INCORRECT_SPACES_AFTER_KEYWORD, 'There must be no whitespace after "fn" keyword.');
		self::assertSniffError($report, 5, ArrowFunctionDeclarationSniff::CODE_INCORRECT_SPACES_BEFORE_ARROW, 'There must be exactly 2 whitespaces before =>.');
		self::assertSniffError($report, 5, ArrowFunctionDeclarationSniff::CODE_INCORRECT_SPACES_AFTER_ARROW, 'There must be exactly 3 whitespaces after =>.');
		self::assertSniffError($report, 7, ArrowFunctionDeclarationSniff::CODE_INCORRECT_SPACES_AFTER_KEYWORD, 'There must be no whitespace after "fn" keyword.');
		self::assertSniffError($report, 8, ArrowFunctionDeclarationSniff::CODE_INCORRECT_SPACES_AFTER_ARROW, 'There must be exactly 3 whitespaces after =>.');

		self::assertAllFixedInFile($report);
	}

}
