def test_when_print_text_is_called_it_prints_text_variable_to_stdout(
self, mock_output):
paper = Paper()
paper.write("Hello World!")
paper.print_text()
self.assertEqual(mock_output.getvalue(), "Hello World!\n")
def test_when_write_is_passed_string_it_adds_string_to_text_variable_in_the_paper_instance_with_existing_text(
self):
paper = Paper()
paper.text = "Hello "
paper.write("World!")
self.assertEqual(paper.text, "Hello World!")
