public function testConfigAdd()
{
$git = new Git();
$git->init($this->directory);
$git->setRepository($this->directory);
$before = $git->config();
$git->config->set('user.name', 'John Doe');
$git->config->add('user.name', 'Foo');
$config = $git->config();
$this->assertArrayHasKey('user.name', $config);
$expected = "John Doe\nFoo";
if (isset($before['user.name'])) {
$expected = $before['user.name'] . "\n" . $expected;
}
$this->assertEquals($expected, $config['user.name']);
}