def test_get_circumcircle_center_invalid_triangle(self):
test_triangle = Triangle(0, 0, 0, 1, 0, 2)
with self.assertRaises(TriangleError):
Triangle.get_circumcircle_center(test_triangle)
def test_get_circumcircle_center_145221_valid_triangle(self):
test_triangle = Triangle(1, 4, 5, 2, 2, 1)
self.assertTrue((Triangle.get_circumcircle_center(test_triangle)[0] - 3.0) <= 1e-10 and
(Triangle.get_circumcircle_center(test_triangle)[1] - 3.0) <= 1e-10)
class TriangleViewModel:
def __init__(self):
self.vertices_list = []
self.answer = ''
self.operation = 'get ab'
self.set_btn_disabled()
def get_vertices(self):
return self.vertices_list
def set_vertices(self, vertices):
self.vertices_list = vertices
all_vertices_are_digits = sum([is_valid(vert) for vert in vertices])
if (all_vertices_are_digits == 6):
self.triangle = Triangle(float(vertices[0]), float(vertices[1]),
float(vertices[2]), float(vertices[3]),
float(vertices[4]), float(vertices[5]))
self.validate_text()
else:
self.set_btn_disabled()
def set_answer(self, answer_str):
self.answer = answer_str
def get_button_convert_state(self):
return self.button_convert_state
def set_btn_enabled(self):
self.button_convert_state = 'normal'
def set_btn_disabled(self):
self.button_convert_state = 'disabled'
def get_answer(self):
return self.answer
def validate_text(self):
is_triangle = False
if ('' not in self.vertices_list):
is_triangle = Triangle.is_triangle(self.triangle)
if is_triangle:
self.set_btn_enabled()
else:
self.set_btn_disabled()
def set_operation(self, operation):
self.operation = operation
def click_button(self):
if self.operation == 'get ab':
self.set_answer(str(self.triangle.get_ab()))
elif self.operation == 'get bc':
self.set_answer(str(self.triangle.get_bc()))
elif self.operation == 'get ca':
self.set_answer(str(self.triangle.get_ca()))
elif self.operation == 'get area':
self.set_answer(str(self.triangle.get_area()))
elif self.operation == 'get perimeter':
self.set_answer(str(self.triangle.get_perimeter()))
elif self.operation == 'get circumcircle':
self.set_answer(str(self.triangle.get_circumcircle_center()) + ' ' + str(
self.triangle.get_circumcircle_radius()))
elif self.operation == 'get incircle':
self.set_answer(str(self.triangle.get_incircle_center()) + ' ' + str(
self.triangle.get_incircle_radius()))
elif self.operation == 'get side type':
self.set_answer(str(self.triangle.get_triangle_type_by_sides()))
elif self.operation == 'get angle type':
self.set_answer(str(self.triangle.get_triangle_type_by_angles()))
def test_get_circumcircle_center_valid_triangle(self):
test_triangle = Triangle(0, 0, 0, 3, 4, 0)
self.assertTrue((Triangle.get_circumcircle_center(test_triangle)[0] - 2.0) <= 1e-10 and
(Triangle.get_circumcircle_center(test_triangle)[1] - 1.5) <= 1e-10)
class TriangleViewModel:
def __init__(self, logger=RealLogger()):
self.logger = logger
self.vertices_list = []
self.answer = ''
self.operation = 'get ab'
self.set_btn_disabled()
self.logger.log('Welcome!')
def get_vertices(self):
return self.vertices_list
def set_vertices(self, vertices):
self.vertices_list = vertices
all_vertices_are_digits = sum([is_valid(vert) for vert in vertices])
if (all_vertices_are_digits == 6):
self.triangle = Triangle(float(vertices[0]), float(vertices[1]),
float(vertices[2]), float(vertices[3]),
float(vertices[4]), float(vertices[5]))
self.validate_text()
self.logger.log(
'Setting vertices to ({}, {}) ({}, {}) ({}, {})'.format(
float(vertices[0]), float(vertices[1]), float(vertices[2]),
float(vertices[3]), float(vertices[4]),
float(vertices[5])))
else:
self.set_btn_disabled()
def set_answer(self, answer_str):
self.answer = answer_str
self.logger.log('Result: %s' % self.answer)
def get_button_convert_state(self):
return self.button_convert_state
def set_btn_enabled(self):
self.button_convert_state = 'normal'
self.logger.log('Button enabled!')
def set_btn_disabled(self):
self.button_convert_state = 'disabled'
self.logger.log('Button disabled!')
def get_answer(self):
return self.answer
def validate_text(self):
is_triangle = False
if ('' not in self.vertices_list):
is_triangle = Triangle.is_triangle(self.triangle)
if is_triangle:
self.set_btn_enabled()
else:
self.set_btn_disabled()
def set_operation(self, operation):
self.operation = operation
self.logger.log('Operation set to \'{}\''.format(operation))
def click_button(self):
if self.operation == 'get ab':
self.set_answer(str(self.triangle.get_ab()))
elif self.operation == 'get bc':
self.set_answer(str(self.triangle.get_bc()))
elif self.operation == 'get ca':
self.set_answer(str(self.triangle.get_ca()))
elif self.operation == 'get area':
self.set_answer(str(self.triangle.get_area()))
elif self.operation == 'get perimeter':
self.set_answer(str(self.triangle.get_perimeter()))
elif self.operation == 'get circumcircle':
self.set_answer(
str(self.triangle.get_circumcircle_center()) + ' ' +
str(self.triangle.get_circumcircle_radius()))
elif self.operation == 'get incircle':
self.set_answer(
str(self.triangle.get_incircle_center()) + ' ' +
str(self.triangle.get_incircle_radius()))
elif self.operation == 'get side type':
self.set_answer(str(self.triangle.get_triangle_type_by_sides()))
elif self.operation == 'get angle type':
self.set_answer(str(self.triangle.get_triangle_type_by_angles()))
self.logger.log('Click on button')