def test_code_mutator_with_filter(self):
def line_filter(line, line_no):
return line_no % 2 == 1
code = "x = 1\ny = 2\nz = 3\nw = 4"
mutators = [mutator.NumberMutator]
mutations = list(mutator.code_mutator(mutators, code, line_filter))
self.assertEquals(["x = 2\ny = 2\nz = 3\nw = 4",
"x = 1\ny = 2\nz = 4\nw = 4"],
[codegen.to_source(m) for line_no, pos, m, class_name in mutations])
def test_code_mutator_multiple_classes(self):
def line_filter(line, line_no):
return True
code = "x = 1\ny = True"
mutators = [mutator.NumberMutator, mutator.BooleanMutator]
mutations = list(mutator.code_mutator(mutators, code, line_filter))
self.assertEquals(["x = 2\ny = True",
"x = 1\ny = False"],
[codegen.to_source(m) for line_no, pos, m, class_name in mutations])
