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https://github.com/pitchart/phlunit
Fluent checks for phpunit
https://github.com/pitchart/phlunit
fluent fluent-testing php phpunit phpunit-assertions tdd
Last synced: 1 day ago
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Fluent checks for phpunit
- Host: GitHub
- URL: https://github.com/pitchart/phlunit
- Owner: pitchart
- License: mit
- Created: 2021-02-10T14:12:02.000Z (over 3 years ago)
- Default Branch: master
- Last Pushed: 2022-07-13T12:49:16.000Z (about 2 years ago)
- Last Synced: 2024-05-10T17:45:24.721Z (5 months ago)
- Topics: fluent, fluent-testing, php, phpunit, phpunit-assertions, tdd
- Language: PHP
- Homepage:
- Size: 181 KB
- Stars: 1
- Watchers: 3
- Forks: 0
- Open Issues: 2
-
Metadata Files:
- Readme: README.md
- Code of conduct: CODE_OF_CONDUCT.md
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README
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# Phlunit: PHP Fluent Unit Testing
`Check::that(tdd())->with($phlunit)->isAnInstanceOf(Awesomeness::class);`
__*Fluent assertions for phpunit.*__
## Why ?
`Phlunit` will make your tests:
- **fluent to write:** juste type `Check::that($sut)` and let auto-completion guide you.
- **fluent to read:** very close to plain English, making it easier for non-technical people to read test code.
- **fluent to troubleshoot:** every failing check throws an Exception with a clear message status to ease your TDD experience.
- **less error-prone:** no more confusion about the order of the "expected" and "actual" values.
## Installation
```bash
composer require --dev pitchart/phlunit
```
## Write checks
Write test cases and test methods as usual, just switch to `Check::that()` to write your assertions :
```php
use Pitchart\Phlunit\Check;
$integers = [1, 2, 3, 4, 5, 42];
Check::that($integers)->contains(2, 3, 42);
$heroes = "Batman and Robin";
Check::that($heroes)
->startsWith("Batman")
->contains("Robin")
;
// Collection checks
Check::that([0, 1, 2])
->isACollectionOf('integer')
->hasElementAt(1)
->and->hasNoElementAt(12)
->hasLength(3)
->hasNotLength(12)
->contains(1, 2)
->isSubsetOf(0, 1, 2, 3, 4)
->containsNoDuplicateItem()
;
// PSR-7 ResponseInterface checks
$response = (new Response(200))
->withHeader('xxx-header', 'xxx-header-value')
->withBody(Utils::streamFor('{"name": "Batman", "city": "Gotham City"}'))
;
Check::that($response)
->asJson()
->matchesSchema(['type' => 'object', 'required' => ['name'], 'properties' => ['name' => ['type' => 'string']]]);
```
`Phlunit` provides checks for the following types and classes :
- string, boolean, integer, float, array
- xml and json formats
- iterable
- callable
- Throwable
- ResponseInterface (PSR-7)
- DateTimeInterface
## Syntactic sugar
Improve readability using `that()` and `andThat()` methods :
```php
Check::thatCall([$spiderman, 'saveGotham'])->with('batman', 'superman')
->throws(\LogicException::class)
->that()->isDescribedBy("Sorry, we are not in the same univers!");
Check::that($batman->getFirstname())->isEqualTo('Bruce')
->andThat($batman->getLastname())->isEqualTo('Wayne');
```
## Need more checks ?
### Use custom constraints
Write custom phpunit constraints and use them thanks to methods `is()`, `has()`, `isNot()` or `hasNot()` :
```php
class CustomConstraint extends Constraint
{
//...
}
Check::that($sut)->is(new CustomConstraint());
```
### Create custom Check class
```php
class CustomClassCheck implements FluentCheck
{
//...
}
// Register your custom checks for dedicated classes in phpunit's bootstrap file
Check::registerChecksFor(Custom::class, CustomClassChecks::class);
//
Check::that(Check::that(new Custom))->isAnInstanceOf(CustomClassChecks::class);
```
## Test data builder
`Phlunit` provides a simple and extensible way to implement the [test data builder pattern](http://www.natpryce.com/articles/000714.html).
Here is the recommended way to use it, to not break the fluent experience:
```php
use Pitchart\Phlunit\Builder;
class HeroBuilder extends Builder
{
protected function __construct(array $arguments)
{
parent::__construct(Hero::class, $arguments);
}
public function build(): Hero
{
return $this->buildInstance();
}
public static function create(): self
{
return new self([
'name' => 'Batman',
'firstname' => 'Bruce',
'lastname' => 'Wayne',
]);
}
public static function batman(): self
{
return self::create();
}
}
// Use it in your test cases:
$batman = HeroBuilder::batman()->build();
$superman = HeroBuilder::create()
->withName('Superman')
->andFirstname('Clark')
->andLastname('Kent')
->build()
;
```
## Expect exceptions
`Phlunit` provides a fluent way to expect exception from your code, using the `Expect` class:
```php
use Pitchart\Phlunit\Expect;
public function test_an_exception_is_thrown()
{
Expect::after($this)
->anException(\InvalidArgumentException)
->describedBy('An exception message')
->havingCode(42);
// Act
}
```
## Credits
This package has been mainly inspired by [NFluent](http://www.n-fluent.net/) and [AssertJ](https://joel-costigliola.github.io/assertj/)
Thanks to [Bruno Boucard](https://github.com/boucardbruno) for the inspiration.
## Licence
The [MIT Licence](LICENCE.md)