davispeixoto / blog-core

        ];

    }

    public function addTagProvider()

    {

        $tag1 = new Tag(Uuid::uuid4(), 'tag 1');

        $tag2 = new Tag(Uuid::uuid4(), 'tag 2');

        return [

            [[], $tag1, [$tag1], 'positive test, on null, first tag added'],

            [[$tag1], $tag2, [$tag1, $tag2], 'positive test, adding a new tag to existing tag vector'],

            [[$tag1, $tag2], $tag1, [$tag1, $tag2], 'negative test, tags should not be duplicated']

        ];

    }

    public function removeTagProvider()

    {

        ];

    }

    public function removeTagProvider()

    {

        $tag1 = new Tag(Uuid::uuid4(), 'tag 1');

        $tag2 = new Tag(Uuid::uuid4(), 'tag 2');

        return [

            [[$tag1], $tag1, [], 'positive test, all tags removed'],

            [[$tag1, $tag2], $tag1, [$tag2], 'positive test, removing one tag'],

            [[$tag1], $tag2, [$tag1], 'negative test, removing non-existent tag']

        ];

    }

}