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b5ad7aa47aMutable objects can be challenging to work with in larger codebases because different parts of a system may modify the same instance, making it difficult to trace where and when changes occurred. This becomes especially problematic when debugging unexpected behaviour. By making `Validator` immutable, we ensure that adding rules via `with()` returns a new instance rather than mutating the original, and we use the `with()` method inside `__call()`, making every call to a rule into a clone of the current `Validator`. This provides several benefits: 1. Predictability: A `Validator` instance will always behave the same way throughout its lifetime, regardless of what other parts of the codebase do. 2. Safe dependency injection: Users can now confidently inject a base `Validator` from a DI container, knowing that any modifications made elsewhere will not affect their instance. 3. Easier debugging: Since validators cannot be mutated after creation, there's no need to track down where an unexpected rule was added. 4. Reusability: Users can create an initial `Validator` with some base rules and reuse it by just adding new rules to the chain without affecting the base `Validator`.
35 lines
1.4 KiB
PHP
35 lines
1.4 KiB
PHP
<?php
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/*
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* Copyright (c) Alexandre Gomes Gaigalas <alganet@gmail.com>
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* SPDX-License-Identifier: MIT
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*/
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declare(strict_types=1);
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test('https://github.com/Respect/Validation/issues/1376', catchAll(
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fn() => v::init()
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->property('title', v::lengthBetween(2, 3)->stringType())
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->property('description', v::stringType())
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->property('author', v::intType()->lengthBetween(1, 2))
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->property('user', v::intVal()->lengthBetween(1, 2))
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->assert((object) ['author' => 'foo']),
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fn(string $message, string $fullMessage, array $messages) => expect()
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->and($message)->toBe('`.title` must be present')
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->and($fullMessage)->toBe(<<<'FULL_MESSAGE'
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- `stdClass { +$author="foo" }` must pass all the rules
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- `.title` must be present
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- `.description` must be present
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- `.author` must pass all the rules
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- `.author` must be an integer
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- The length of `.author` must be between 1 and 2
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- `.user` must be present
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FULL_MESSAGE)
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->and($messages)->toBe([
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'__root__' => '`stdClass { +$author="foo" }` must pass all the rules',
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'title' => '`.title` must be present',
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'description' => '`.description` must be present',
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'author' => 'The length of `.author` must be between 1 and 2',
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'user' => '`.user` must be present',
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]),
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));
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