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| -rw-r--r-- | src/Parsers/IntegerParser.php | 36 | ||||
| -rw-r--r-- | tests/Parsers/IntegerParserTest.php | 40 |
2 files changed, 76 insertions, 0 deletions
diff --git a/src/Parsers/IntegerParser.php b/src/Parsers/IntegerParser.php new file mode 100644 index 0000000..95df2dd --- /dev/null +++ b/src/Parsers/IntegerParser.php @@ -0,0 +1,36 @@ +<?php +/** + * Copyright 2020 “EPGService” + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an “AS IS” BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +declare(strict_types = 1); + +namespace EPGService\Parsers; + +/** + * @copyright Copyright © 2020 “Valentin Popov” <info@valentineus.link> + * @license http://www.apache.org/licenses/LICENSE-2.0 + * @package EPGService\Parsers + */ +final class IntegerParser { + /** + * @param mixed $value + * + * @return int|null + */ + public static function get($value): ?int { + return filter_var($value, FILTER_VALIDATE_INT, FILTER_NULL_ON_FAILURE); + } +} diff --git a/tests/Parsers/IntegerParserTest.php b/tests/Parsers/IntegerParserTest.php new file mode 100644 index 0000000..7f5cce7 --- /dev/null +++ b/tests/Parsers/IntegerParserTest.php @@ -0,0 +1,40 @@ +<?php +/** + * Copyright 2020 “EPGService” + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an “AS IS” BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +declare(strict_types = 1); + +namespace Tests\Parsers; + +use EPGService\Parsers\IntegerParser; +use Faker\Factory as Faker; +use PHPUnit\Framework\TestCase; + +/** + * @copyright Copyright © 2020 “Valentin Popov” <info@valentineus.link> + * @license http://www.apache.org/licenses/LICENSE-2.0 + * @package Tests\Parsers + */ +final class IntegerParserTest extends TestCase { + public function testInvalid(): void { + self::assertNull(IntegerParser::get(null)); + } + + public function testValid(): void { + $number = Faker::create()->numberBetween(100, 200); + self::assertEquals($number, IntegerParser::get((string) $number)); + } +} |