Foo2Command example

$application->add(new \FooCommand());
        $application->add(new \Foo1Command());
        $this->assertEquals(['foo'], $application->getNamespaces(), '->getNamespaces() returns an array of unique used namespaces');
    }

    public function testFindNamespace()
    {
        $application = new Application();
        $application->add(new \FooCommand());
        $this->assertEquals('foo', $application->findNamespace('foo'), '->findNamespace() returns the given namespace if it exists');
        $this->assertEquals('foo', $application->findNamespace('f'), '->findNamespace() finds a namespace given an abbreviation');
        $application->add(new \Foo2Command());
        $this->assertEquals('foo', $application->findNamespace('foo'), '->findNamespace() returns the given namespace if it exists');
    }

    public function testFindNamespaceWithSubnamespaces()
    {
        $application = new Application();
        $application->add(new \FooSubnamespaced1Command());
        $application->add(new \FooSubnamespaced2Command());
        $this->assertEquals('foo', $application->findNamespace('foo'), '->findNamespace() returns commands even if the commands are only contained in subnamespaces');
    }