Prelude\Tests\CondTest

Complexity

Total Complexity

3

Size/Duplication

Total Lines	46
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	1

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	shouldReturnMatchedCond()	0	14	1
A	shouldThrowInvalidArgumentExceptionWhenAnyMatch()	0	8	1
A	whenDoNotPassSecoundArgument()	0	8	1

<?php

namespace Prelude\Tests;

use function Prelude\cond;
use function Prelude\equals;
use function Prelude\always;

class CondTest extends \PHPUnit_Framework_TestCase
{
    /**
     * @test
     */
    public function shouldReturnMatchedCond()
    {
        $fn = cond([
            [equals(0), always('water freezes at 0°C')],
            [equals(100), always('water boils at 100°C')],
            [always(true), function ($temp) {
                return 'nothing special happens at '.$temp.'°C';
            }]
        ]);

        $this->assertEquals('water freezes at 0°C', $fn(0));
        $this->assertEquals('nothing special happens at 50°C', $fn(50));
        $this->assertEquals('water boils at 100°C', $fn(100));
    }

    /**
     * @test
     * @expectedException \InvalidArgumentException
     */
    public function shouldThrowInvalidArgumentExceptionWhenAnyMatch()
    {
        $fn = cond([
            [equals([]), always(true)]
        ]);

        $fn(true);
    }

    /**
     * @test
     * @expectedException \InvalidArgumentException
     */
    public function whenDoNotPassSecoundArgument()
    {
        $fn = cond([
            [equals([])]
        ]);

        $fn(true);
    }
}