Pest expectations example

pest-expectations-example.php

<?php

test('calculation', function () {
    $result = 2 * 4;

    expect($result)
        ->toBeInt() // Assert that the result is an integer 
        ->toBe(8) // Assert that the result value is 8 
        ->not->toBeJson() // Using "not" modifier, asserting that the value isn't JSON 
        ->not->toBe(5); // Another usage example of "not" modifier
});