def test_del(self):
self.template([
("del a", python.Delete(targets=(
python.Name("a", python.Del()),
))),
("del a, b", python.Delete(targets=(
python.Name("a", python.Del()),
python.Name("b", python.Del()),
))),
("del (a, b)", python.Delete(targets=(
python.Tuple((
python.Name("a", python.Del()),
python.Name("b", python.Del()),
), python.Del()),
))),
("del (a\n, b)", python.Delete(targets=(
python.Tuple((
python.Name("a", python.Del()),
python.Name("b", python.Del())
), python.Del()),
))),
("del (a\n, b), c", python.Delete(targets=(
python.Tuple((
python.Name("a", python.Del()),
python.Name("b", python.Del())
), python.Del()),
python.Name("c", python.Del()),
))),
])
def test_with(self):
self.template([("""
with some_context as some_name:
pass
""",
python.With((python.withitem(
python.Name("some_context", python.Load()),
python.Name("some_name", python.Store()),
), ), (python.Pass(), )))])
def test_assert(self):
self.template([
("assert False",
python.Assert(python.Name("False", python.Load()), None)),
("assert False, msg",
python.Assert(
python.Name("False", python.Load()),
python.Name("msg", python.Load()),
)),
])
def test_raise(self):
self.template([
("raise", python.Raise(None, None)),
("raise err", python.Raise(python.Name("err", python.Load()),
None)),
("raise err_1 from err_2",
python.Raise(
python.Name("err_1", python.Load()),
python.Name("err_2", python.Load()),
)),
])
def test_for(self):
self.template([
(
"for x in li: pass",
python.For(
python.Name("x", python.Store()),
python.Name("li", python.Load()),
(python.Pass(),),
()
)
)
])
def test_assign(self):
# Tests for type-info below..
self.template([
("a = b", python.Assign(
targets=(python.Name("a", python.Store()),),
value=python.Name("b", python.Load()),
)),
("a = b = c", python.Assign(
targets=(
python.Name("a", python.Store()),
python.Name("b", python.Store()),
),
value=python.Name("c", python.Load()),
)),
])
def test_try(self):
self.template([
(
"""
try:
pass
except SomeException as error:
pass
else:
pass
finally:
pass
""",
python.Try(
(python.Pass(),),
(python.ExceptHandler(
python.Name("SomeException", python.Load()),
"error",
(python.Pass(),)
),),
(python.Pass(),),
(python.Pass(),),
)
)
])
def test_if(self):
self.template([
(
"""
if True:
pass
""",
python.If(
python.NameConstant(True),
(python.Pass(),),
()
)
),
(
"""
if first_cond:
first
elif second_cond:
second
else:
third
""",
python.If(
python.Name(
"first_cond", python.Load()
),
(python.Expr(
python.Name("first", python.Load())
),),
(
python.If(
python.Name("second_cond", python.Load()),
(python.Expr(
python.Name("second", python.Load())
),),
(python.Expr(
python.Name("third", python.Load())
),)
),
)
)
),
])
def visit_Name(self, node):
if node.id in ["True", "False", "None"]:
return python.NameConstant(eval(node.id))
else:
self.generic_visit(node)
return python.Name(node.id, node.ctx)
def test_while(self):
self.template([("while True: pass",
python.While(python.Name("True", python.Load()),
(python.Pass(), ), ()))])