def assert_mutation(self, original, mutants, lines=None, operator=None, with_coverage=False, with_exec=False):
original_ast = utils.create_ast(original)
if with_coverage:
coverage_injector = coverage.CoverageInjector()
coverage_injector.inject(original_ast)
else:
coverage_injector = None
if not operator:
operator = self.__class__.op
if isinstance(mutants, str):
mutants = [mutants]
mutants = list(map(codegen.remove_extra_lines, mutants))
module = None
if with_exec:
module = utils.create_module(original_ast)
for mutation, mutatnt in operator.mutate(original_ast, coverage_injector=coverage_injector, module=module):
mutant_code = codegen.remove_extra_lines(codegen.to_source(mutatnt))
msg = '\n\nMutant:\n\n' + mutant_code + '\n\nNot found in:'
for other_mutant in mutants:
msg += '\n\n----------\n\n' + other_mutant
self.assertIn(mutant_code, mutants, msg)
mutants.remove(mutant_code)
self.assert_location(mutatnt)
if not lines is None:
self.assert_mutation_lineo(mutation.node.lineno, lines)
self.assertListEqual(mutants, [], 'did not generate all mutants')
def assert_mutation(self, original, mutants, lines=None, operator=None, with_coverage=False, with_exec=False):
original_ast = utils.create_ast(original)
if with_coverage:
coverage_injector = coverage.CoverageInjector()
coverage_injector.inject(original_ast)
else:
coverage_injector = None
if not operator:
operator = self.__class__.op
if isinstance(mutants, str):
mutants = [mutants]
mutants = list(map(codegen.remove_extra_lines, mutants))
module = None
if with_exec:
module = utils.create_module(original_ast)
for mutation, mutatnt in operator.mutate(original_ast, coverage_injector=coverage_injector, module=module):
mutant_code = codegen.remove_extra_lines(codegen.to_source(mutatnt))
msg = '\n\nMutant:\n\n' + mutant_code + '\n\nNot found in:'
for other_mutant in mutants:
msg += '\n\n----------\n\n' + other_mutant
self.assertIn(mutant_code, mutants, msg)
mutants.remove(mutant_code)
self.assert_location(mutatnt)
if not lines is None:
self.assert_mutation_lineo(mutation.node.lineno, lines)
self.assertListEqual(mutants, [], 'did not generate all mutants')
def test_remove_extra_lines(self):
code = EOL + INDENT + EOL + INDENT + 'pass' + EOL + INDENT + EOL + INDENT + 'pass' + EOL + EOL
reduced = codegen.remove_extra_lines(code)
self.assertEqual(reduced, INDENT + 'pass' + EOL + INDENT + 'pass')
def test_remove_extra_lines(self):
code = EOL + INDENT + EOL + INDENT + 'pass' + EOL + INDENT + EOL + INDENT + 'pass' + EOL + EOL
reduced = codegen.remove_extra_lines(code)
self.assertEqual(reduced, INDENT + 'pass' + EOL + INDENT + 'pass')
