def test_num_alive(self):
self.assertEqual(v8.Isolate.num_alive, 0)
with v8.Isolate() as i1:
self.assertEqual(v8.Isolate.num_alive, 1)
with self.assertRaisesRegex(
RuntimeError,
r'this context manager only allows being entered once',
):
i1.__enter__()
self.assertEqual(v8.Isolate.num_alive, 1)
with i1.scope():
self.assertEqual(v8.Isolate.num_alive, 1)
with i1.scope():
self.assertEqual(v8.Isolate.num_alive, 1)
self.assertEqual(v8.Isolate.num_alive, 1)
self.assertEqual(v8.Isolate.num_alive, 1)
with v8.Isolate():
self.assertEqual(v8.Isolate.num_alive, 2)
self.assertEqual(v8.Isolate.num_alive, 1)
self.assertEqual(v8.Isolate.num_alive, 0)
with self.assertRaisesRegex(
RuntimeError,
r'this context manager only allows being entered once',
):
i1.__enter__()
self.assertEqual(v8.Isolate.num_alive, 0)
def test_context(self):
with contextlib.ExitStack() as stack:
isolate = stack.enter_context(v8.Isolate())
stack.enter_context(isolate.scope())
with v8.HandleScope(isolate):
with v8.Context(isolate) as c1:
c1['x'] = 'foo bar'
global_context = stack.enter_context(
v8.GlobalContext(isolate, c1))
self.assertEqual(
global_context.get(isolate)['x'],
'foo bar',
)
self.assertEqual(
global_context.get(isolate)['x'],
'foo bar',
)
# In another handle scope.
with v8.HandleScope(isolate):
self.assertEqual(
global_context.get(isolate)['x'],
'foo bar',
)
def setUp(self):
super().setUp()
self.assertEqual(v8.Isolate.num_alive, 0)
self.stack = contextlib.ExitStack()
self.stack.__enter__()
self.isolate = self.stack.enter_context(v8.Isolate())
self.assertEqual(v8.Isolate.num_alive, 1)
self.stack.enter_context(self.isolate.scope())
self.stack.enter_context(v8.HandleScope(self.isolate))
def test_no_re_enter(self):
self.assertEqual(v8.Isolate.num_alive, 0)
with v8.Isolate() as i1, i1.scope():
with v8.HandleScope(i1) as handle_scope:
with self.assertRaisesRegex(
RuntimeError,
r'this context manager only allows being entered once',
):
handle_scope.__enter__()
with self.assertRaisesRegex(
RuntimeError,
r'this context manager only allows being entered once',
):
handle_scope.__enter__()
self.assertEqual(v8.Isolate.num_alive, 0)
def test_no_re_enter(self):
self.assertEqual(v8.Isolate.num_alive, 0)
with v8.Isolate() as i1, i1.scope(), v8.HandleScope(i1):
c1 = v8.Context(i1)
with v8.GlobalContext(i1, c1) as global_context:
with self.assertRaisesRegex(
RuntimeError,
r'this context manager only allows being entered once',
):
global_context.__enter__()
with self.assertRaisesRegex(
RuntimeError,
r'this context manager only allows being entered once',
):
global_context.__enter__()
self.assertEqual(v8.Isolate.num_alive, 0)