def testValidateLine(self):
l1 = ShapeFactory.build("line", Point(1, 1), Point(-1, -5))
Line.validateLine(l1, "Line unexpectedly invalid")
self.assertRaises(ShapeException, Line.validateLine, "(1, 1, -1, -5)",
"String \'(1, 1, -1, -5)\' is not a valid line")
self.assertRaises(ShapeException, Line.validateLine, Point(1, 1), "Point is not a valid line")
def validateEllipse(value, errorMessage):
if not isinstance(value, Ellipse):
raise ShapeException(errorMessage)
Line.validateLine(value.axis1, "Axis1 is not a valid line")
Line.validateLine(value.axis2, "Axis2 is not a valid line")
if value.computeArea() <= 0:
raise ShapeException(errorMessage)
Validator.validateLinesFormRightAngles([value.axis1, value.axis2],
"Axis are not perpendicular")
def validateRectangle(value, errorMessage):
if not isinstance(value, Rectangle):
raise ShapeException(errorMessage)
Line.validateLine(value.line1, "Line 1 is not a valid line.")
Line.validateLine(value.line2, "Line 2 is not a valid line.")
Line.validateLine(value.line3, "Line 3 is not a valid line.")
Line.validateLine(value.line4, "Line 4 is not a valid line.")
Validator.validateLinesFormLoop([value.line1, value.line2, value.line3, value.line4], "Lines do not form an enclosed rectangle.")
Validator.validateLinesFormRightAngles([value.line1, value.line2, value.line3, value.line4], "Lines do not form 90 degree angles.")
def validateTriangle(value, errorMessage):
if not isinstance(value, Triangle):
raise ShapeException(errorMessage)
Line.validateLine(value.line1, "Line 1 has is not a valid line.")
Line.validateLine(value.line2, "Line 2 has is not a valid line.")
Line.validateLine(value.line3, "Line 3 has is not a valid line.")
Validator.validateSlopesAreDifferent(
[value.line1, value.line2, value.line3],
"Angles of lines form an invalid triangle")
Validator.validateLinesFormLoop(
[value.line1, value.line2, value.line3],
"Lines do not form an enclosed triangle")