class GUIView(tk.Frame):
default_sticky = tk.W + tk.E + tk.N + tk.S
view_model = LinesIntersectViewModel()
def __init__(self):
tk.Frame.__init__(self, background="bisque")
self.master.geometry("460x90")
self.master.title("GUI")
self.master.rowconfigure(0, weight=1)
self.master.columnconfigure(0, weight=1)
self.grid(sticky=self.default_sticky)
self.btn_calculate = tk.Button(self, text='Calculate')
self.btn_calculate.grid(row=0,
column=4,
pady=5,
sticky=self.default_sticky)
self.text1 = ttk.Label(self, background="bisque", text=' a: ')
self.text1.grid(row=0, column=0, sticky=self.default_sticky)
self.text2 = ttk.Label(self, background="bisque", text=' b:')
self.text2.grid(row=0, column=2, sticky=self.default_sticky)
self.text3 = ttk.Label(self, background="bisque", text=' c: ')
self.text3.grid(row=1, column=0, sticky=self.default_sticky)
self.text4 = ttk.Label(self, background="bisque", text=' d:')
self.text4.grid(row=1, column=2, sticky=self.default_sticky)
self.point1 = ttk.Entry(self)
self.point1.insert(0, "0 -0.1")
self.point1.grid(row=0, column=1, pady=10, sticky=self.default_sticky)
self.point2 = ttk.Entry(self)
self.point2.insert(0, "1 0")
self.point2.grid(row=0,
column=3,
pady=10,
sticky=self.default_sticky,
padx=10)
self.point3 = ttk.Entry(self)
self.point3.insert(0, "0 0")
self.point3.grid(row=1, column=1, sticky=self.default_sticky)
self.point4 = ttk.Entry(self)
self.point4.insert(0, "1. 1")
self.point4.grid(row=1, column=3, sticky=self.default_sticky, padx=10)
self.res = ttk.Label(self, width=20, background="white")
self.res.grid(row=1, column=4, sticky=self.default_sticky)
self.bind_events()
self.mvvm_bind()
self.mvvm_back_bind()
def bind_events(self):
self.point1.bind('<KeyRelease>', self.entry_changed)
self.point2.bind('<KeyRelease>', self.entry_changed)
self.point3.bind('<KeyRelease>', self.entry_changed)
self.point4.bind('<KeyRelease>', self.entry_changed)
self.btn_calculate.bind('<Button-1>', self.calculate_clicked)
def mvvm_bind(self):
self.view_model.set_point1(self.point1.get())
self.view_model.set_point2(self.point2.get())
self.view_model.set_point3(self.point3.get())
self.view_model.set_point4(self.point4.get())
def mvvm_back_bind(self):
self.point1.delete(0, tk.END)
self.point1.insert(0, self.view_model.get_point1())
self.point2.delete(0, tk.END)
self.point2.insert(0, self.view_model.get_point2())
self.point3.delete(0, tk.END)
self.point3.insert(0, self.view_model.get_point3())
self.point4.delete(0, tk.END)
self.point4.insert(0, self.view_model.get_point4())
self.btn_calculate.config(
state=self.view_model.get_button_calculate_state())
self.res.config(text=self.view_model.get_result())
def calculate_clicked(self, event):
self.mvvm_bind()
self.view_model.click_calculate()
self.mvvm_back_bind()
def entry_changed(self, event):
self.mvvm_bind()
self.mvvm_back_bind()
def setUp(self):
self.view_model = LinesIntersectViewModel(logger=FakeLogger())
def setUp(self):
self.view_model = LinesIntersectViewModel()
class TestLinesIntersectViewModel(unittest.TestCase):
def setUp(self):
self.view_model = LinesIntersectViewModel()
def test_is_valid_coord1(self):
self.assertTrue(LinesIntersectViewModel.is_valid_coord('1 -2'))
def test_is_valid_coord2(self):
self.assertTrue(LinesIntersectViewModel.is_valid_coord('1. -0.2'))
def test_is_valid_coord3(self):
self.assertFalse(LinesIntersectViewModel.is_valid_coord('1.o -0.2'))
def test_is_valid_coord4(self):
self.assertFalse(LinesIntersectViewModel.is_valid_coord('1.,-0.2'))
def test_is_valid_coord_with_multispace(self):
self.assertTrue(LinesIntersectViewModel.is_valid_coord('1 -2'))
def test_can_set_get_point1(self):
self.view_model.set_point1("1 2")
self.assertEqual("1 2", self.view_model.get_point1())
def test_can_set_get_point2(self):
self.view_model.set_point2("1 2")
self.assertEqual("1 2", self.view_model.get_point2())
def test_can_set_get_point3(self):
self.view_model.set_point3("1 2")
self.assertEqual("1 2", self.view_model.get_point3())
def test_can_set_get_point4(self):
self.view_model.set_point4("1 2")
self.assertEqual("1 2", self.view_model.get_point4())
def test_can_calculate(self):
self.view_model.set_point1("2 3")
self.view_model.set_point2("2 3")
self.view_model.set_point3("2 3")
self.view_model.set_point4("2 3")
self.view_model.click_calculate()
self.assertEqual(self.view_model.RESULT_STR % "True",
self.view_model.get_result())
def test_check(self):
self.view_model.set_point1("2 3")
self.view_model.set_point2("2 3")
self.view_model.set_point3("2 3")
self.view_model.set_point4("2 error")
self.view_model.click_calculate()
self.assertEqual("", self.view_model.get_result())
class TestLinesIntersectFakeLogger(unittest.TestCase):
def setUp(self):
self.view_model = LinesIntersectViewModel(logger=FakeLogger())
def test_log_set_point1(self):
self.view_model.set_point1("1 2")
log = self.view_model.logger.get_logs()
self.assertEqual(["Set point 1 to 1 2"], log)
def test_log_set_point2(self):
self.view_model.set_point2("2 3")
log = self.view_model.logger.get_logs()
self.assertEqual(["Set point 2 to 2 3"], log)
def test_log_set_point3(self):
self.view_model.set_point3("3 4")
log = self.view_model.logger.get_logs()
self.assertEqual(["Set point 3 to 3 4"], log)
def test_log_set_point4(self):
self.view_model.set_point4("5 6")
log = self.view_model.logger.get_logs()
self.assertEqual(["Set point 4 to 5 6"], log)
def test_log_press_calculate_with_intersection(self):
self.view_model.set_point1("1 2")
self.view_model.set_point2("2 3")
self.view_model.set_point3("1 3")
self.view_model.set_point4("2 2")
self.view_model.click_calculate()
log = self.view_model.logger.get_logs(2)
self.assertEqual(["Calculate clicked", "Intersection: True"], log)
def test_log_press_calculate_without_intersection(self):
self.view_model.set_point1("1 2")
self.view_model.set_point2("2 3")
self.view_model.set_point3("1 3")
self.view_model.set_point4("2 4")
self.view_model.click_calculate()
log = self.view_model.logger.get_logs(2)
self.assertEqual(["Calculate clicked", "Intersection: False"], log)
def test_is_valid_coord_with_multispace(self):
self.assertTrue(LinesIntersectViewModel.is_valid_coord('1 -2'))
def test_is_valid_coord4(self):
self.assertFalse(LinesIntersectViewModel.is_valid_coord('1.,-0.2'))
def test_is_valid_coord2(self):
self.assertTrue(LinesIntersectViewModel.is_valid_coord('1. -0.2'))
