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test: add unit tests for Separate enum and DocBlockHeader generator
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‎tests/src/Enum/SeparateTest.php‎

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<?php
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declare(strict_types=1);
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/*
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* This file is part of the Composer package "php-doc-block-header-fixer".
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*
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* Copyright (C) 2025 Konrad Michalik <hej@konradmichalik.dev>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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namespace KonradMichalik\PhpDocBlockHeaderFixer\Tests\Enum;
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use KonradMichalik\PhpDocBlockHeaderFixer\Enum\Separate;
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use PHPUnit\Framework\TestCase;
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use ValueError;
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/**
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* @internal
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*/
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#[\PHPUnit\Framework\Attributes\CoversClass(Separate::class)]
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final class SeparateTest extends TestCase
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{
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public function testEnumCases(): void
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{
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$cases = Separate::cases();
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/* @phpstan-ignore-next-line staticMethod.alreadyNarrowedType */
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self::assertCount(4, $cases);
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self::assertContains(Separate::Top, $cases);
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self::assertContains(Separate::Bottom, $cases);
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self::assertContains(Separate::Both, $cases);
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self::assertContains(Separate::None, $cases);
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}
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public function testEnumValues(): void
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{
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/* @phpstan-ignore-next-line staticMethod.alreadyNarrowedType */
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self::assertSame('top', Separate::Top->value);
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/* @phpstan-ignore-next-line staticMethod.alreadyNarrowedType */
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self::assertSame('bottom', Separate::Bottom->value);
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/* @phpstan-ignore-next-line staticMethod.alreadyNarrowedType */
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self::assertSame('both', Separate::Both->value);
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/* @phpstan-ignore-next-line staticMethod.alreadyNarrowedType */
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self::assertSame('none', Separate::None->value);
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}
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public function testGetListReturnsAllValues(): void
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{
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$list = Separate::getList();
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self::assertSame(['top', 'bottom', 'both', 'none'], $list);
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}
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public function testGetListReturnsNonEmptyList(): void
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{
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$list = Separate::getList();
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/* @phpstan-ignore-next-line staticMethod.alreadyNarrowedType */
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self::assertNotEmpty($list);
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/* @phpstan-ignore-next-line staticMethod.alreadyNarrowedType */
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self::assertIsArray($list);
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foreach ($list as $key => $value) {
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/* @phpstan-ignore-next-line staticMethod.alreadyNarrowedType */
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self::assertIsInt($key);
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/* @phpstan-ignore-next-line staticMethod.alreadyNarrowedType */
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self::assertIsString($value);
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}
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}
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public function testFromString(): void
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{
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/* @phpstan-ignore-next-line staticMethod.alreadyNarrowedType */
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self::assertSame(Separate::Top, Separate::from('top'));
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/* @phpstan-ignore-next-line staticMethod.alreadyNarrowedType */
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self::assertSame(Separate::Bottom, Separate::from('bottom'));
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/* @phpstan-ignore-next-line staticMethod.alreadyNarrowedType */
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self::assertSame(Separate::Both, Separate::from('both'));
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/* @phpstan-ignore-next-line staticMethod.alreadyNarrowedType */
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self::assertSame(Separate::None, Separate::from('none'));
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}
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public function testTryFromString(): void
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{
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/* @phpstan-ignore-next-line staticMethod.alreadyNarrowedType */
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self::assertSame(Separate::Top, Separate::tryFrom('top'));
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/* @phpstan-ignore-next-line staticMethod.alreadyNarrowedType */
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self::assertSame(Separate::Bottom, Separate::tryFrom('bottom'));
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/* @phpstan-ignore-next-line staticMethod.alreadyNarrowedType */
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self::assertSame(Separate::Both, Separate::tryFrom('both'));
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/* @phpstan-ignore-next-line staticMethod.alreadyNarrowedType */
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self::assertSame(Separate::None, Separate::tryFrom('none'));
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/* @phpstan-ignore-next-line staticMethod.alreadyNarrowedType */
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self::assertNull(Separate::tryFrom('invalid'));
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/* @phpstan-ignore-next-line staticMethod.alreadyNarrowedType */
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self::assertNull(Separate::tryFrom(''));
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}
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public function testFromInvalidStringThrowsException(): void
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{
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$this->expectException(ValueError::class);
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Separate::from('invalid');
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}
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}

‎tests/src/Generators/DocBlockHeaderTest.php‎

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<?php
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declare(strict_types=1);
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/*
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* This file is part of the Composer package "php-doc-block-header-fixer".
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*
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* Copyright (C) 2025 Konrad Michalik <hej@konradmichalik.dev>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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namespace KonradMichalik\PhpDocBlockHeaderFixer\Tests\Generators;
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use InvalidArgumentException;
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use KonradMichalik\PhpDocBlockHeaderFixer\Enum\Separate;
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use KonradMichalik\PhpDocBlockHeaderFixer\Generators\DocBlockHeader;
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use KonradMichalik\PhpDocBlockHeaderFixer\Generators\Generator;
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use PHPUnit\Framework\TestCase;
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use ReflectionClass;
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/**
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* @internal
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*/
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#[\PHPUnit\Framework\Attributes\CoversClass(DocBlockHeader::class)]
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final class DocBlockHeaderTest extends TestCase
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{
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public function testImplementsGeneratorInterface(): void
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{
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$docBlockHeader = DocBlockHeader::create(['author' => 'John Doe']);
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/* @phpstan-ignore-next-line staticMethod.alreadyNarrowedType */
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self::assertInstanceOf(Generator::class, $docBlockHeader);
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}
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public function testCreateWithValidAnnotations(): void
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{
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$annotations = ['author' => 'John Doe', 'license' => 'MIT'];
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$docBlockHeader = DocBlockHeader::create($annotations);
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self::assertSame($annotations, $docBlockHeader->annotations);
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self::assertTrue($docBlockHeader->preserveExisting);
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self::assertSame(Separate::Both, $docBlockHeader->separate);
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}
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public function testCreateWithCustomParameters(): void
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{
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$annotations = ['author' => 'Jane Smith'];
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$docBlockHeader = DocBlockHeader::create(
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$annotations,
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false,
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Separate::None,
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);
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self::assertSame($annotations, $docBlockHeader->annotations);
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self::assertFalse($docBlockHeader->preserveExisting);
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self::assertSame(Separate::None, $docBlockHeader->separate);
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}
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public function testCreateWithArrayValueAnnotations(): void
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{
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$annotations = [
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'author' => ['John Doe <john@example.com>', 'Jane Smith <jane@example.com>'],
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'license' => 'MIT',
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];
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$docBlockHeader = DocBlockHeader::create($annotations);
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self::assertSame($annotations, $docBlockHeader->annotations);
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}
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public function testToArrayReturnsCorrectStructure(): void
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{
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$annotations = ['author' => 'John Doe', 'license' => 'MIT'];
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$docBlockHeader = DocBlockHeader::create($annotations, false, Separate::Top);
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$result = $docBlockHeader->__toArray();
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$expected = [
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'KonradMichalik/docblock_header_comment' => [
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'annotations' => $annotations,
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'preserve_existing' => false,
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'separate' => 'top',
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],
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];
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self::assertSame($expected, $result);
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}
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public function testToArrayWithDefaultParameters(): void
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{
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$annotations = ['author' => 'John Doe'];
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$docBlockHeader = DocBlockHeader::create($annotations);
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$result = $docBlockHeader->__toArray();
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$expected = [
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'KonradMichalik/docblock_header_comment' => [
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'annotations' => $annotations,
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'preserve_existing' => true,
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'separate' => 'both',
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],
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];
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self::assertSame($expected, $result);
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}
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public function testValidateAnnotationsWithValidKeys(): void
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{
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$validAnnotations = [
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'author' => 'John Doe',
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'copyright' => '2024',
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'license' => 'MIT',
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'version' => '1.0.0',
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'since' => '1.0.0',
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'package' => 'MyPackage',
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'subpackage' => 'SubPackage',
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'see' => 'https://example.com',
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'link' => 'https://example.com',
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'todo' => 'Fix this',
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'fixme' => 'Fix this',
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'deprecated' => 'Use something else',
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'internal' => 'Internal use only',
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'api' => 'Public API',
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'category' => 'Category',
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'example' => 'Example usage',
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'ignore' => 'Ignore this',
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'uses' => 'Uses something',
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'used-by' => 'Used by something',
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'throws' => 'Exception',
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'method' => 'methodName()',
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'property' => '$propertyName',
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'property-read' => '$readOnlyProperty',
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'property-write' => '$writeOnlyProperty',
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'param' => 'string $param',
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'return' => 'string',
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'var' => 'string',
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'global' => '$GLOBALS',
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'static' => 'Static method',
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'final' => 'Final class',
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'abstract' => 'Abstract class',
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];
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// This should not throw an exception
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$docBlockHeader = DocBlockHeader::create($validAnnotations);
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/* @phpstan-ignore-next-line staticMethod.alreadyNarrowedType */
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self::assertInstanceOf(DocBlockHeader::class, $docBlockHeader);
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}
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public function testValidateAnnotationsThrowsExceptionForNonStringKey(): void
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{
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$this->expectException(InvalidArgumentException::class);
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$this->expectExceptionMessage('Annotation key must be a string, integer given');
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// @phpstan-ignore-next-line argument.type
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DocBlockHeader::create([123 => 'invalid']);
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}
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public function testValidateAnnotationsThrowsExceptionForEmptyKey(): void
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{
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$this->expectException(InvalidArgumentException::class);
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$this->expectExceptionMessage('Annotation key cannot be empty');
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DocBlockHeader::create(['' => 'value']);
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}
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public function testValidateAnnotationsThrowsExceptionForWhitespaceOnlyKey(): void
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{
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$this->expectException(InvalidArgumentException::class);
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$this->expectExceptionMessage('Annotation key cannot be empty');
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DocBlockHeader::create([' ' => 'value']);
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}
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public function testValidateAnnotationsThrowsExceptionForInvalidKeyFormat(): void
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{
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$this->expectException(InvalidArgumentException::class);
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$this->expectExceptionMessage('Invalid annotation key "123invalid". Must start with letter and contain only letters, numbers, underscore, or dash.');
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DocBlockHeader::create(['123invalid' => 'value']);
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}
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public function testValidateAnnotationsThrowsExceptionForInvalidKeyCharacters(): void
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{
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$this->expectException(InvalidArgumentException::class);
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$this->expectExceptionMessage('Invalid annotation key "invalid@key". Must start with letter and contain only letters, numbers, underscore, or dash.');
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DocBlockHeader::create(['invalid@key' => 'value']);
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}
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public function testValidateAnnotationsThrowsExceptionForUnknownAnnotation(): void
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{
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$this->expectException(InvalidArgumentException::class);
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$this->expectExceptionMessage('Unknown annotation "unknownAnnotation"');
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DocBlockHeader::create(['unknownAnnotation' => 'value']);
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}
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public function testValidateAnnotationsAcceptsValidKeyWithHyphen(): void
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{
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$docBlockHeader = DocBlockHeader::create(['property-read' => '$property']);
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self::assertSame(['property-read' => '$property'], $docBlockHeader->annotations);
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}
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public function testValidateAnnotationsRejectsKeyWithUnderscore(): void
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{
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// This should throw an exception because 'used_by' with underscore is not in allowed list
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$this->expectException(InvalidArgumentException::class);
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$this->expectExceptionMessage('Unknown annotation "used_by"');
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DocBlockHeader::create(['used_by' => 'Something']);
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}
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public function testValidateAnnotationsAcceptsValidKeyWithNumbers(): void
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{
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// Note: There are no standard annotations with numbers in the allowed list
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// Let's test that validation works correctly for keys with numbers
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$this->expectException(InvalidArgumentException::class);
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$this->expectExceptionMessage('Unknown annotation "author2"');
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DocBlockHeader::create(['author2' => 'John Doe']);
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}
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public function testCreateWithEmptyAnnotations(): void
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{
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$docBlockHeader = DocBlockHeader::create([]);
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self::assertSame([], $docBlockHeader->annotations);
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self::assertTrue($docBlockHeader->preserveExisting);
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self::assertSame(Separate::Both, $docBlockHeader->separate);
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}
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public function testPropertiesAreReadonly(): void
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{
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$docBlockHeader = DocBlockHeader::create(['author' => 'John Doe']);
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self::assertSame(['author' => 'John Doe'], $docBlockHeader->annotations);
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self::assertTrue($docBlockHeader->preserveExisting);
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self::assertSame(Separate::Both, $docBlockHeader->separate);
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// Properties should be readonly - but we can't test this directly in PHP 8.1+
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// The readonly modifier is enforced at the language level
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}
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public function testConstructorIsPrivate(): void
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{
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$reflection = new ReflectionClass(DocBlockHeader::class);
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$constructor = $reflection->getConstructor();
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self::assertNotNull($constructor);
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self::assertTrue($constructor->isPrivate());
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}
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public function testClassIsFinal(): void
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{
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$reflection = new ReflectionClass(DocBlockHeader::class);
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self::assertTrue($reflection->isFinal());
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}
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}

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