def test_add_with_error(self):
view_model = NodeViewModel()
view_model.set_input_value("String")
view_model.add_node()
self.assertEqual(view_model.get_error(),
"Please enter numeric positive value")
self.assertEqual(
view_model.get_log_message(),
"Error occurred: Please enter numeric positive value")
def test_add_node_with_fake_logger(self):
view_model = NodeViewModel(logger=FakeLogger())
view_model.set_input_value(1)
view_model.add_node()
self.assertEqual(view_model.get_output_value(), [1])
self.assertEqual(
view_model.logger.get_messages(),
['Trying to add node with number 1', 'Node added successfully'])
class GUIView(tk.Frame):
view_model = NodeViewModel()
def add_node(self):
self.view_model.set_input_value(self.text_value.get(1, tk.END))
self.view_model.add_node()
self.result_label.configure(text=self.view_model.get_output_value)
self.error_label.configure(text=self.view_model.get_error)
def remove_node(self):
self.view_model.set_input_value(self.text_value.get(1, tk.END))
self.view_model.remove_node()
self.result_label.configure(text=self.view_model.get_output_value)
self.error_label.configure(text=self.view_model.get_error)
def __init__(self):
tk.Frame.__init__(self)
self.master.title("AWL Tree")
self.master.minsize(width=150, height=150)
self.grid(sticky=tk.W + tk.E + tk.N + tk.S)
self.add_button = tk.Button(self, text='Add node', width=25, height=5, bg='black', fg='red',
font='arial 14', command=GUIView.add_node)
self.add_button.pack()
self.remove_button = tk.Button(self, text='Remove node', width=25, height=5, bg='black', fg='red',
font='arial 14', command=GUIView.remove_node)
self.remove_button.pack()
self.text_value = tk.Text(self, height=1, width=30, font="Arial 14")
self.text_value.pack()
self.error_label = tk.Label(self, text="", fg='black', font="Arial 14")
self.error_label.pack()
self.result_label = tk.Label(self, text="", fg='black', font="Arial 14")
self.result_label.pack()
class GUIView(tk.Frame):
view_model = NodeViewModel()
N_LOG_MESSAGES_TO_DISPLAY = 5
def add_node(self):
self.view_model.set_input_value(self.text_value.get(1, tk.END))
self.view_model.add_node()
self.result_label.configure(text=self.view_model.get_output_value)
self.error_label.configure(text=self.view_model.get_error)
logger_text = '\n'.join(self.view_model.logger.get_log_messages()
[-self.N_LOG_MESSAGES_TO_DISPLAY:])
self.logger.configure(text='%s\n%s' %
(self.view_model.get_log_message(), logger_text))
def remove_node(self):
self.view_model.set_input_value(self.text_value.get(1, tk.END))
self.view_model.remove_node()
self.result_label.configure(text=self.view_model.get_output_value)
self.error_label.configure(text=self.view_model.get_error)
logger_text = '\n'.join(self.view_model.logger.get_log_messages()
[-self.N_LOG_MESSAGES_TO_DISPLAY:])
self.logger.configure(text='%s\n%s' %
(self.view_model.get_log_message(), logger_text))
def __init__(self):
tk.Frame.__init__(self)
self.master.title("AWL Tree")
self.master.minsize(width=150, height=150)
self.grid(sticky=tk.W + tk.E + tk.N + tk.S)
self.add_button = tk.Button(self,
text='Add node',
width=25,
height=5,
bg='black',
fg='red',
font='arial 14',
command=GUIView.add_node)
self.add_button.pack()
self.remove_button = tk.Button(self,
text='Remove node',
width=25,
height=5,
bg='black',
fg='red',
font='arial 14',
command=GUIView.remove_node)
self.remove_button.pack()
self.text_value = tk.Text(self, height=1, width=30, font="Arial 14")
self.text_value.pack()
self.error_label = tk.Label(self, text="", fg='black', font="Arial 14")
self.error_label.pack()
self.result_label = tk.Label(self,
text="",
fg='black',
font="Arial 14")
self.result_label.pack()
self.logger = tk.Label(self, text='Log:', bg='black', font="Arial 10")
self.logger.pack()
def test_add_many_nodes(self):
view_model = NodeViewModel()
view_model.set_input_value(1)
view_model.add_node()
view_model.set_input_value(2)
view_model.add_node()
view_model.set_input_value(3)
view_model.add_node()
view_model.set_input_value(4)
view_model.add_node()
view_model.set_input_value(5)
view_model.add_node()
view_model.set_input_value(6)
view_model.add_node()
view_model.set_input_value(7)
view_model.add_node()
view_model.set_input_value(8)
view_model.add_node()
view_model.set_input_value(9)
view_model.add_node()
self.assertEqual(view_model.get_output_value(),
[1, 3, 2, 5, 7, 9, 8, 6, 4])
def test_remove_last_node(self):
view_model = NodeViewModel()
view_model.set_input_value(1)
view_model.add_node()
view_model.set_input_value(2)
view_model.add_node()
view_model.set_input_value(3)
view_model.add_node()
view_model.remove_node()
self.assertEqual(view_model.get_output_value(), [1, 2])
def test_create_view_model(self):
view_model = NodeViewModel()
self.assertTrue(isinstance(view_model, NodeViewModel))
def test_add_one_more_node(self):
view_model = NodeViewModel()
view_model.set_input_value(1)
view_model.add_node()
view_model.set_input_value(2)
view_model.add_node()
self.assertEqual(view_model.get_output_value(), [2, 1])
def test_input_value_setter(self):
view_model = NodeViewModel()
view_model.set_input_value(15)
self.assertEqual(view_model.get_input_value(), 15)