Foo5Command example

$application = new Application();
        $application->addCommands([$foo = new \FooCommand(), $foo1 = new \Foo1Command()]);
        $commands = $application->all();
        $this->assertEquals([$foo, $foo1], [$commands['foo:bar'], $commands['foo:bar1']], '->addCommands() registers an array of commands');
    }

    public function testAddCommandWithEmptyConstructor()
    {
        $this->expectException(\LogicException::class);
        $this->expectExceptionMessage('Command class "Foo5Command" is not correctly initialized. You probably forgot to call the parent constructor.');
        $application = new Application();
        $application->add(new \Foo5Command());
    }

    public function testHasGet()
    {
        $application = new Application();
        $this->assertTrue($application->has('list'), '->has() returns true if a named command is registered');
        $this->assertFalse($application->has('afoobar'), '->has() returns false if a named command is not registered');

        $application->add($foo = new \FooCommand());
        $this->assertTrue($application->has('afoobar'), '->has() returns true if an alias is registered');
        $this->assertEquals($foo, $application->get('foo:bar'), '->get() returns a command by name');