$ wget http://pear.phpunit.de/get/phpunit.phar
$ chmod +x phpunit.phar

# /etc/php5/cli/conf.d/suhosin-allow-phar.ini
suhosin.executor.include.whitelist="phar"

{
    "name": "phpunit",
    "description": "PHPUnit",
    "require": {
        "phpunit/phpunit": "3.7.*"
    },
    "config": {
        "bin-dir": "/usr/local/bin/"
    }
}

sudo ./composer.phar install

# lancer un scenario
$ phpunit Test/MyFirstTest.php

# lancer un ensemble de scénarii
$ phpunit Test/Model

# lancer la stratégie complète
$ phpunit -c phpunit.xml Test

\Text\excerpt("Je mange des carottes et des petits pois", 5);
// nous donne "Je mange des carottes et..."

\Text\excerpt("ITNetwork rules", 5);
// nous donne "ITNetwork rules"

namespace \Test\ExcerptTest;
include __DIR__ . "/../src/text.php";

class ExcerptTest extends \PHPUnit_Framework_TestCase
{
    public function testTruncate()
    {
        $length = 5;
        $given  = 'Je mange des carottes et des petits pois';
        $expect = 'Je mange des carottes et...';

        $result = \Text\excerpt($given, $length);

        $this->assertEquals($expect, $result);
    }
}

// src/text.php
namespace Text;

function excerpt($text, $length = 10)
{
    return $text;
}

$ phpunit Test/ExcerptTest.php

public function assertTruncateFiveOk($expect, $given)
{
    $result = \Text\excerpt($given, 5);

    $this->assertEquals($expect, $result);
}

/** @dataProvider truncateProvider */
public function testTruncate($given, $expected)
{
    $result = \Text\excerpt($given, 5);
    $this->assertEquals($expected, $result);
}

public function truncateProvider()
{
    return array(
        'simple test'  => array(
            'Je mange des carottes et des petits pois',
            'Je mange des carottes et...'),
        'shorter test' => array(
            'ITNetwork rules', 'ITNetwork rules'),
    );
}

class ExcerptTest extends \PHPUnit_Framework_TestCase
{
    public function truncateProvider()
    {
        return array(
            'simple test'  => array(
                'Je mange des carottes et des petits pois',
                'Je mange des carottes et...'),
            'shorter test' => array(
                'ITNetwork rules', 'ITNetwork rules'),
            'exact length' => array(
                'un deux trois quatre cinq',
                'un deux trois quatre cinq'),
            'hyphen'       => array(
                'y a-t\'il un pilote dans l\'avion ?',
                'y a-t\'il un pilote...'),
        );
    }
    /* ... */
}

$ phpunit Test/ExcerptTest.php

public function truncateProvider()
{
    return array(
        /* ... */
        'html'  => array(
            '<pre>Hello Moto &amp; Altra&acute;</pre>',
            'Hello Moto &amp; Altra&acute;'),
    );
}

function output_something($something) {
    print $something;
}

class OutputTest extends \PHPUnit_Framework_TestCase
{
    public function testOutput(
            $input = "foo bar baz", $result = "foo bar baz")
    {
        $this->expectOutputString($result);
        output_something($input);
    }
}

function throw_an_exception() {
    throw new \LogicException('Please implement me');
}

class OutputTest extends \PHPUnit_Framework_TestCase
{
    /**
     * @expectedException           LogicException
     * @expectedExceptionMessage    Please implement me
     */
    public function testThrowException()
    {
        throw_an_exception();
    }
}

class StackTest extends PHPUnit_Framework_TestCase
{
    protected $stack;

    protected function setUp()
    {
        $this->stack = array();
    }

    public function testEmpty()
    {
        $this->assertTrue(empty($this->stack));
    }
}

class DatabaseTest extends PHPUnit_Framework_TestCase
{
    protected static $dbh;

    public static function setUpBeforeClass()
    {
        self::$dbh = new PDO('sqlite::memory:');
    }

    public static function tearDownAfterClass()
    {
        self::$dbh = NULL;
    }
}