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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`.
24 lines
734 B
PHP
24 lines
734 B
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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$arr = [
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'name' => 'w',
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'email' => 'hello@hello.com',
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];
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test('https://github.com/Respect/Validation/issues/446', catchAll(
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fn() => v::init()
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->key('name', v::lengthBetween(2, 32))
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->key('email', v::email())
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->assert($arr),
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fn(string $message, string $fullMessage, array $messages) => expect()
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->and($message)->toBe('The length of `.name` must be between 2 and 32')
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->and($fullMessage)->toBe('- The length of `.name` must be between 2 and 32')
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->and($messages)->toBe(['name' => 'The length of `.name` must be between 2 and 32']),
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));
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