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Codeception/Verify

Codeception/Verify

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Last Updated: 2023-02-09 07:36:46

#assertions #php #codeception #phpunit #bdd-assertions #bdd

BDD Assertions for PHPUnit and Codeception

License: MIT License

Languages: PHP

Verify

BDD Assertions for PHPUnit or Codeception

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This is very tiny wrapper for PHPUnit assertions, that are aimed to make tests a bit more readable. With BDD assertions influenced by Chai, Jasmine, and RSpec your assertions would be a bit closer to natural language.

⚠️ This is the Verify 2.0 documentation, to see v1.x docs click here.

Installation

Requires PHP 7.4 or higher

composer require codeception/verify --dev

⬆️ Upgrade from 1.x by following the upgrade guide.

Usage

Use in any test verify function instead of $this->assert* methods:

use Codeception\Verify\Verify;

$user = User::find(1);

// equals
verify($user->getName())->equals('davert');

verify($user->getNumPosts())
    ->equals(5, 'user have 5 posts')
    ->notEquals(3);

// contains
Verify::Array($user->getRoles())
    ->contains('admin', 'first user is admin')
    ->notContains('banned', 'first user is not banned');


// greater / less
verify($user->getRate())
    ->greaterThan(5)
    ->lessThan(10)
    ->equals(7, 'first user rate is 7');

// true / false / null
verify($user->isAdmin())->true();
verify($user->isBanned())->false();
verify($user->invitedBy)->null();
verify($user->getPosts())->notNull();

// empty
verify($user->getComments())->empty();
verify($user->getRoles())->notEmpty();

// throws
Verify::Callable($callback)
    ->throws()
    ->throws(Exception::class)
    ->throws(Exception::class, 'exception message')
    ->throws(new Exception())
    ->throws(new Exception('message'));

// does not throw
Verify::Callable($callback)
    ->doesNotThrow()
    ->throws(Exception::class)
    ->doesNotThrow(new Exception());

// and many more !

📄 See Verifiers full list here.

Alternative Syntax

If you follow TDD/BDD you'd rather use expect instead of verify:

expect($user->getNumPosts())
    ->notToBeNull()
    ->toBeInt()
    ->toEqual(5, 'user have 5 posts');

📄 See Expectations full list here.

Or verify_that which is just an alias function:

verify_that($user->getRate())->equals(7, 'first user rate is 7');

Extending

In order to add more assertions you can extend the abstract class Verify:

use Codeception\Verify\Verify;
use PHPUnit\Framework\Assert;

class MyVerify extends Verify {

    //you can type $actual to only receive a specific data type

    public function __construct($actual = null)
    {
        parent::__construct($actual);
    }

    public function success(string $message = '')
    {
        Assert::assertTrue(true, $message);
    }

}

And use it!

$myVerify = new MyVerify;

$myVerify->success('it works!');

$myVerify::Mixed('this also')->notEquals('works');

License

Verify is open-sourced software licensed under the MIT License. © Codeception PHP Testing Framework

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