def _createProgram():
root = Node("=")
root.left = Node("y")
root.right = Node("+")
root.right.left = Node("y")
root.right.right = Node("3")
return Program(root)
def testComputeFitnessDOA(self):
root = Node("=")
root.left = Node("x")
root.right = Node("4")
program = Program(root)
fitness = FitCurveProblem.computeFitness(program)
self.assertEqual(fitness, 0.019999999732933336)
def testComputeFitnessLow(self):
root = Node("=")
root.left = Node("y")
root.right = Node("4")
program = Program(root)
fitness = FitCurveProblem.computeFitness(program)
self.assertEqual(fitness, 8.14518041038435)
def testComputeFitnessDOA(self):
root = Node("=")
root.left = Node("x")
root.right = Node("4")
program = Program(root)
fitness = FitCurveProblem.computeFitness(program)
self.assertEqual(fitness, 0.019999999732933336)
def testComputeFitnessLow(self):
root = Node("=")
root.left = Node("y")
root.right = Node("4")
program = Program(root)
fitness = FitCurveProblem.computeFitness(program)
self.assertEqual(fitness, 8.14518041038435)
def testComputeFitnessHigh(self):
root = Node("=")
root.left = Node("y")
root.right = Node("+")
root.right.left = Node("x")
root.right.right = Node("4")
program = Program(root)
fitness = FitCurveProblem.computeFitness(program)
self.assertEqual(fitness, 100)
def testRunSelfReferencingVariable(self):
root = Node("=")
root.left = Node("y")
root.right = Node("+")
root.right.left = Node("y")
root.right.right = Node("3")
program = Program(root)
result = program.run({"y": 2})
self.assertEqual(result["y"], 5)
def testComputeFitnessHigh(self):
root = Node("=")
root.left = Node("y")
root.right = Node("+")
root.right.left = Node("x")
root.right.right = Node("4")
program = Program(root)
fitness = FitCurveProblem.computeFitness(program)
self.assertEqual(fitness, 100)
def testReplaceRoot(self):
node = Node("1")
node.left = Node("2")
node.right = Node("3")
node.left.left = Node("4")
value = Node("5")
node = Node.replace(node, node, value)
self.assertEqual(node.value, "5")
self.assertIsNone(node.left)
self.assertIsNone(node.right)
def testRun(self):
root = Node("=")
root.left = Node("y")
root.right = Node("+")
root.right.left = Node("x")
root.right.right = Node("4")
program = Program(root)
result = program.run({"x": 3})
self.assertEqual(result["x"], 3)
self.assertEqual(result["y"], 7)
def testReplaceRoot(self):
node = Node("1")
node.left = Node("2")
node.right = Node("3")
node.left.left = Node("4")
value = Node("5")
node = Node.replace(node, node, value)
self.assertEqual(node.value, "5")
self.assertIsNone(node.left)
self.assertIsNone(node.right)