def test_get_empty_value_2(self):
rang = RangeViewModel()
self.assertEqual(rang.get_value_2_string(), '')
def test_set_range_to_value_2(self):
rang = RangeViewModel()
rang.set_value_2('[1,3]')
self.assertEqual(rang.get_value_2_string(), '[1,3]')
def test_set_value_1_wrong_format(self):
rang = RangeViewModel()
with self.assertRaises(ValueError):
rang.set_value_1('[1, 3]')
def test_set_value_1_range_with_incorrect_end_points(self):
rang = RangeViewModel()
with self.assertRaises(ValueError):
rang.set_value_1('[3, 1]')
def test_can_set_operation(self):
rang = RangeViewModel()
rang.set_operation(operation=Operation.EQUALS)
self.assertEqual(rang.get_operation(), Operation.EQUALS)
class View(ttk.Frame):
N_LOG_MESSAGES_TO_DISPLAY = 9
view_model = RangeViewModel()
def __init__(self):
self.view_model.set_operation(Operation.CONTAINS)
ttk.Frame.__init__(self)
self.master.title("Range")
self.master.geometry("450x300")
self.value_1_label = ttk.Label(text="Range", font="Arial 16")
self.value_1_label.grid(row=0, column=0)
self.value_1_entry = ttk.Entry()
self.value_1_entry.grid(row=0, column=1)
self.operation_combobox = ttk.Combobox(values=Operation.ALL,
state="readonly",
justify=tk.CENTER,
width="12")
self.operation_combobox.grid(row=1, column=1, pady=(10, 10))
self.value_2_label = ttk.Label(text="Value/Set/Range", font="Arial 16")
self.value_2_label.grid(row=2, column=0, padx=(10, 10))
self.value_2_entry = ttk.Entry()
self.value_2_entry.grid(row=2, column=1, pady=(10, 10))
self.res_button = ttk.Button(text="Result")
self.res_button.grid(row=3, column=0)
self.result_entry = ttk.Entry()
self.result_entry.insert(0, '')
self.result_entry.configure(state='readonly')
self.result_entry.grid(row=3, column=1, columnspan=3)
self.lbl_result = tk.Label(text="Here will be result")
self.lbl_result.grid(row=4, column=0, columnspan=3)
self.bind_events()
self.mvvm_bind()
self.__update_logs()
def bind_events(self):
self.operation_combobox.bind('<<ComboboxSelected>>',
self.operation_changed)
self.res_button.bind('<Button-1>', self.result_clicked)
def operation_changed(self, event):
self.view_model.set_operation(self.operation_combobox.get())
self.value_1_entry.configure(state=tk.NORMAL)
if self.view_model.get_value_2_enabled():
self.value_2_entry.configure(state=tk.NORMAL)
else:
self.value_2_entry.configure(state=tk.DISABLED)
self.__update_logs()
def result_clicked(self, event):
try:
self.mvvm_back_bind()
self.view_model.make_operation()
except Exception as exception:
self.__update_result(exception)
return
self.mvvm_bind()
def mvvm_bind(self):
self.update_text(self.value_1_entry,
self.view_model.get_value_1_string())
self.operation_combobox.set(self.view_model.get_operation())
self.update_text(self.value_2_entry,
self.view_model.get_value_2_string())
self.__update_result(self.view_model.get_result_string())
if self.view_model.get_value_2_enabled():
self.value_1_entry.configure(state=tk.NORMAL)
else:
self.value_1_entry.configure(state=tk.DISABLED)
def mvvm_back_bind(self):
self.view_model.clear_result()
self.view_model.set_operation(self.operation_combobox.get())
self.view_model.set_value_1(self.value_1_entry.get())
self.view_model.set_value_2(self.value_2_entry.get())
@staticmethod
def update_text(obj, text):
obj.delete(0, tk.END)
obj.insert(0, text)
def __update_logs(self):
logger_text = \
'\n'.join(self.view_model.logger.get_log_messages()[:-self.N_LOG_MESSAGES_TO_DISPLAY:-1])
self.lbl_result.config(text=logger_text)
def __update_result(self, text):
self.result_entry.configure(state=tk.NORMAL)
self.update_text(self.result_entry, text)
self.result_entry.configure(state=tk.DISABLED)
self.__update_logs()
class TestViewModelFakeLogging(unittest.TestCase):
def setUp(self):
self.view_model = RangeViewModel(FakeLogger())
def test_logging_init(self):
self.assertEqual('RangeViewModel started',
self.view_model.logger.get_last_message())
def test_logging_set_first_value(self):
self.view_model.set_value_1('[1,5)')
self.assertEqual('Set value 1: [1,5)',
self.view_model.logger.get_last_message())
def test_logging_set_first_value_error(self):
try:
self.view_model.set_value_1('[1,5')
except ValueError:
self.assertEqual('Set value 1 exc: Input error: wrong format',
self.view_model.logger.get_last_message())
def test_logging_set_second_value(self):
self.view_model.set_value_2('[1,5)')
self.assertEqual('Set value 2: [1,5)',
self.view_model.logger.get_last_message())
def test_logging_set_second_value_error(self):
try:
self.view_model.set_value_2('[eee5)')
except ValueError:
self.assertEqual('Set value 2 exc: Input error: wrong format',
self.view_model.logger.get_last_message())
def test_logging_test_operation(self):
self.view_model.set_operation(Operation.OVERLAP)
self.assertEqual('Set operation OVERLAP',
self.view_model.logger.get_last_message())
def test_logging_set_result(self):
self.view_model.set_value_1('(1,5)')
self.view_model.set_operation(Operation.END_POINTS)
self.view_model.make_operation()
self.assertEqual('Set result [2, 4]',
self.view_model.logger.get_log_messages()[-2])
def test_logging_calc_started(self):
self.view_model.set_value_1('(1,5)')
self.view_model.set_operation(Operation.END_POINTS)
self.view_model.make_operation()
self.assertEqual('Make operation started.',
self.view_model.logger.get_log_messages()[-3])
def test_logging_calc_ended(self):
self.view_model.set_value_1('(1,5)')
self.view_model.set_operation(Operation.END_POINTS)
self.view_model.make_operation()
self.assertEqual('Make operation ended.',
self.view_model.logger.get_log_messages()[-1])
def test_logging_result_cleared(self):
self.view_model.clear_result()
self.assertEqual('Result cleared',
self.view_model.logger.get_last_message())
def test_logging_exception(self):
self.view_model.set_value_1('(1,5)')
self.view_model.set_operation(Operation.OVERLAP)
try:
self.view_model.make_operation()
except Exception:
self.assertEqual(
'Calc exception: Wrong type of obj. Expected: Range',
self.view_model.logger.get_last_message())
def test_make_contains_operation_with_range(self):
rang = RangeViewModel()
rang.set_value_1('[1,5]')
rang.set_value_2('[1,3]')
rang.make_operation()
self.assertEqual(rang.get_result_string(), 'Yes')
def test_clear_result(self):
rang = RangeViewModel()
rang.set_value_1('(1,5)')
rang.set_operation(Operation.END_POINTS)
rang.make_operation()
rang.clear_result()
self.assertEqual(rang.get_result_string(), '')
def test_calc_exception(self):
rang = RangeViewModel()
rang.set_value_1('(1,5)')
rang.set_operation(Operation.OVERLAP)
with self.assertRaises(Exception):
rang.make_operation()
def test_get_result_string(self):
rang = RangeViewModel()
self.assertEqual(rang.get_result_string(), '')
def test_get_end_points_operation(self):
rang = RangeViewModel()
rang.set_operation(Operation.END_POINTS)
rang.set_value_1('(1,5)')
rang.make_operation()
self.assertEqual(rang.get_result_string(), '2 4')
def test_get_all_points_operation(self):
rang = RangeViewModel()
rang.set_operation(Operation.ALL_POINTS)
rang.set_value_1('(1,5]')
rang.make_operation()
self.assertEqual(rang.get_result_string(), '2 3 4 5')
def test_set_list_with_spaces_to_value_2(self):
rang = RangeViewModel()
rang.set_value_2('1 3')
self.assertEqual(rang.get_value_2_string(), '1, 3')
def test_can_change_value_2_enable(self):
rang = RangeViewModel()
rang.set_operation(operation=Operation.EQUALS)
res = rang.get_value_2_enabled()
self.assertTrue(res)
def test_set_invalid_value_to_value_2(self):
rang = RangeViewModel()
with self.assertRaises(TypeError):
rang.set_value_2('abc')
def setUp(self):
self.view_model = RangeViewModel(FakeLogger())
def test_overlap_operation(self):
rang = RangeViewModel()
rang.set_operation(Operation.OVERLAP)
rang.set_value_1('[1,5]')
rang.set_value_2('[2,3]')
rang.make_operation()
self.assertEqual(rang.get_result_string(), 'No')
def setUp(self):
self.view_model = RangeViewModel(RealLogger())
def test_equals_operation(self):
rang = RangeViewModel()
rang.set_operation(Operation.EQUALS)
rang.set_value_1('[1,5]')
rang.set_value_2('[1,5)')
rang.make_operation()
self.assertEqual(rang.get_result_string(), 'No')
class View(ttk.Frame):
view_model = RangeViewModel()
def __init__(self):
self.view_model.set_operation(Operation.CONTAINS)
ttk.Frame.__init__(self)
self.master.title("Range")
self.master.geometry("450x160")
self.value_1_label = ttk.Label(text="Range", font="Arial 16")
self.value_1_label.grid(row=0, column=0)
self.value_1_entry = ttk.Entry()
self.value_1_entry.grid(row=0, column=1)
self.operation_combobox = ttk.Combobox(values=Operation.ALL,
state="readonly",
justify=tk.CENTER,
width="12")
self.operation_combobox.grid(row=1, column=1, pady=(10, 10))
self.value_2_label = ttk.Label(text="Value/Set/Range", font="Arial 16")
self.value_2_label.grid(row=2, column=0, padx=(10, 10))
self.value_2_entry = ttk.Entry()
self.value_2_entry.grid(row=2, column=1, pady=(10, 10))
self.res_button = ttk.Button(text="Result")
self.res_button.grid(row=3, column=0)
self.result_entry = ttk.Entry()
self.result_entry.insert(0, '')
self.result_entry.configure(state='readonly')
self.result_entry.grid(row=3, column=1, columnspan=3)
self.bind_events()
self.mvvm_bind()
def bind_events(self):
self.operation_combobox.bind('<<ComboboxSelected>>',
self.operation_changed)
self.res_button.bind('<Button-1>', self.result_clicked)
def operation_changed(self, event):
self.view_model.set_operation(self.operation_combobox.get())
self.value_1_entry.configure(state=tk.NORMAL)
if self.view_model.get_value_2_enabled():
self.value_2_entry.configure(state=tk.NORMAL)
else:
self.value_2_entry.configure(state=tk.DISABLED)
def result_clicked(self, event):
try:
self.mvvm_back_bind()
except ValueError:
self.result_entry.configure(
text='Wrong input. Expected: integer value,' +
'set of integer values or range object')
return
self.view_model.make_operation()
self.mvvm_bind()
def mvvm_bind(self):
self.update_text(self.value_1_entry,
self.view_model.get_value_1_string())
self.operation_combobox.set(self.view_model.get_operation())
self.update_text(self.value_2_entry,
self.view_model.get_value_2_string())
self.result_entry.configure(state=tk.NORMAL)
self.result_entry.delete(0, 'end')
self.result_entry.insert(0, self.view_model.get_result_string())
self.result_entry.configure(state='readonly')
if self.view_model.get_value_2_enabled():
self.value_1_entry.configure(state=tk.NORMAL)
else:
self.value_1_entry.configure(state=tk.DISABLED)
def mvvm_back_bind(self):
self.view_model.clear_result()
self.view_model.set_operation(self.operation_combobox.get())
self.view_model.set_value_1(self.value_1_entry.get())
self.view_model.set_value_2(self.value_2_entry.get())
@staticmethod
def update_text(obj, text):
obj.delete(0, tk.END)
obj.insert(0, text)
