BarBucCommand example

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');
    }

    public function testFindAmbiguousNamespace()
    {
        $application = new Application();
        $application->add(new \BarBucCommand());
        $application->add(new \FooCommand());
        $application->add(new \Foo2Command());

        $expectedMsg = "The namespace \"f\" is ambiguous.\nDid you mean one of these?\n foo\n foo1";

        $this->expectException(NamespaceNotFoundException::class);
        $this->expectExceptionMessage($expectedMsg);

        $application->findNamespace('f');
    }