def test_model_sphere_message_logging(self):
model = VolumeViewModel()
model.set_figure_type(1)
model.set_start_value(10)
model.set_end_value(3)
model.perform()
log_message = [
'Hi!', 'Setting radius value - 10', 'Setting height value - 3',
'Radiobutton 1 (sphere) selected', 'Result = 4188.79'
]
self.assertEqual(log_message, model.logger.get_log_messages()[-5:])
def test_model_perform_all_message_logging(self):
model = VolumeViewModel()
model.set_start_value(3)
model.set_end_value(10)
model.perform()
log_message = [
'Hi!', 'Setting radius value - 3', 'Setting height value - 10',
'Radiobutton 0 (cube) selected', 'Result = 1000'
]
self.assertEqual(log_message, model.logger.get_log_messages()[-5:])
class GUIView:
view_model = VolumeViewModel()
def __init__(self):
self.label = None
self.root = tk.Tk()
self.root['bg'] = '#fafafa'
self.root.title('Volume')
self.root.geometry('450x200')
self.root.resizable(width=False, height=True)
self.var = tk.IntVar()
self.var.set(0)
self.frame = tk.Frame(self.root, bg='#ebebeb')
self.title = tk.Label(self.frame,
text='Choose figure',
bg='#ababab',
font=40)
self.r1 = tk.Radiobutton(self.frame,
text='Cube',
variable=self.var,
value=0)
self.r2 = tk.Radiobutton(self.frame,
text='Sphere',
variable=self.var,
value=1)
self.r3 = tk.Radiobutton(self.frame,
text='Cylinder',
variable=self.var,
value=2)
self.title2 = tk.Label(self.frame,
text='Enter height and width',
bg='#ababab',
font=40)
self.labradius = tk.Label(self.frame, text='radius =', font=40)
self.labheight = tk.Label(self.frame, text='height =', font=40)
self.input_radius = tk.Entry(self.frame, bg='white', state='normal')
self.input_height = tk.Entry(self.frame, bg='white')
self.btn = tk.Button(self.frame, text='Calculate volume', bg='#ababab')
self.res = tk.Label(self.frame,
text='',
fg='black',
bg='#ababab',
font=('', 12, 'bold'))
self.error_field = tk.Label(self.frame,
text='',
fg='black',
bg='#619eb3',
font=('', 12, 'bold'))
self.logger_field = tk.Label(self.frame,
text='Log:',
bg='#619eb3',
font=6)
self.set_weight_to_grid()
self.bind_events()
self.mvvm_bind()
self.mvvm_back_bind()
self.root.mainloop()
def set_weight_to_grid(self):
self.root.grid_rowconfigure(5, minsize=30, weight=60)
self.frame.place(relx=0.05, rely=0.05, relwidth=0.9, relheight=0.9)
self.title.grid(row=0, column=0, columnspan=4, stick='we')
self.r1.grid(row=1, column=0, padx=5, pady=5)
self.r2.grid(row=1, column=1, columnspan=2, stick='wens')
self.r3.grid(row=1, column=3, padx=5, pady=5)
self.title2.grid(row=2, column=0, columnspan=4, stick='we')
self.labradius.grid(row=3, column=0, stick='wens', padx=5, pady=5)
self.input_radius.grid(row=3, column=1, stick='wens', padx=5, pady=5)
self.labheight.grid(row=3, column=2, stick='wens', padx=5, pady=5)
self.input_height.grid(row=3, column=3, stick='wens', padx=5, pady=5)
self.btn.grid(row=4, column=1, columnspan=2, stick='ens')
self.res.grid(row=6, column=0, columnspan=4, stick='wes', pady=5)
self.logger_field.grid(row=0, column=3, stick='ns', rowspan=30)
def bind_events(self):
self.input_radius.bind('<KeyRelease>', self.first_input_changed)
self.input_height.bind('<KeyRelease>', self.second_input_changed)
self.btn.bind('<Button-1>', self.btn_clicked)
def btn_clicked(self, event):
self.mvvm_bind()
self.view_model.perform()
self.mvvm_back_bind()
def first_input_changed(self, event):
self.mvvm_bind()
self.mvvm_back_bind()
def second_input_changed(self, event):
self.mvvm_bind()
self.mvvm_back_bind()
def mvvm_bind(self):
self.view_model.set_start_value(self.input_radius.get())
self.view_model.set_end_value(self.input_height.get())
self.view_model.set_figure_type(self.var.get())
def mvvm_back_bind(self):
self.input_radius.delete(0, tk.END)
self.input_radius.insert(tk.END, self.view_model.get_start_value())
self.input_height.delete(0, tk.END)
self.input_height.insert(tk.END, self.view_model.get_end_value())
self.btn.config(state=self.view_model.is_button_enable())
self.res.config(text='%s\n' %
(get_result_text(self.view_model.get_result())))
self.logger_field.config(
text='%s\n' %
(get_log_messages(self.view_model.logger.get_log_messages())))
def test_model_perform_logging(self):
model = VolumeViewModel()
model.set_start_value(3)
model.set_end_value(10)
model.perform()
self.assertEqual('Result = 1000', model.logger.get_last_message())
def test_default_button_is_disable(self):
model = VolumeViewModel()
self.assertEqual('disabled', model.is_button_enable())
def test_set_end_value_logging(self):
model = VolumeViewModel()
model.set_end_value(6)
self.assertEqual('Setting height value - 6',
model.logger.get_last_message())
def test_init_logging(self):
model = VolumeViewModel()
self.assertEqual('Hi!', model.logger.get_last_message())
def test_set_start_value_logging(self):
model = VolumeViewModel()
model.set_start_value(4)
self.assertEqual('Setting radius value - 4',
model.logger.get_last_message())
def test_calculate_cylinder_volume_3_5(self):
model = VolumeViewModel(3, 5)
model.set_figure_type(2)
model.perform()
self.assertEqual(141.372, model.get_result())
def test_entered_incorrect_values(self):
model = VolumeViewModel('asd', '11a')
self.assertEqual('disabled', model.is_button_enable())
def test_calculate_sphere_volume_3(self):
model = VolumeViewModel(3, 5)
model.set_figure_type(1)
model.perform()
self.assertEqual(113.097, model.get_result())
def test_calculate_cube_volume_5(self):
model = VolumeViewModel(3, 5)
model.set_figure_type(0)
model.perform()
self.assertEqual(125, model.get_result())
def test_correct_set_value(self):
model = VolumeViewModel()
model.set_start_value(3)
model.set_end_value(5)
self.assertEqual(3, model.get_start_value())
self.assertEqual(5, model.get_end_value())
def test_button_disabled_3_none(self):
model = VolumeViewModel(3, 5)
model.set_end_value(None)
self.assertEqual('disabled', model.is_button_enable())
def test_button_enabled_3_5(self):
model = VolumeViewModel(3, 5)
self.assertTrue(model.is_button_enable())
