def _assert_has_side_effects_and_not(
self,
code: str,
expec_has_side_effects: scan.HasSideEffects,
expec_not_side_effects=frozenset(),
):
analyzer = scan.SideEffectsAnalyzer()
analyzer.visit(ast.parse(code))
assert analyzer.has_side_effects() is expec_has_side_effects
self._assert_not_side_effects(analyzer._not_side_effects,
expec_not_side_effects)
def test_check_names(self, names, expec_has_side_effects):
aliases = [ast.alias(name=n, asname=None) for n in names]
analyzer = scan.SideEffectsAnalyzer()
assert analyzer._check_names(aliases) is expec_has_side_effects
def test_compute_not_side_effects(self, code, expec_not_side_effects):
analyzer = scan.SideEffectsAnalyzer()
analyzer._compute_not_side_effects(ast.parse(code).body[0])
self._assert_not_side_effects(
analyzer._not_side_effects, expec_not_side_effects
)