def test_sync(self):
assert normalize_backend(Backend("sync"),
async_mode=False) == Backend("sync")
assert normalize_backend("sync", async_mode=False) == Backend("sync")
assert normalize_backend(None, async_mode=False) == Backend("sync")
with pytest.raises(ValueError) as excinfo:
normalize_backend(Backend("trio"), async_mode=False)
assert "trio backend needs to be run in async mode" == str(
excinfo.value)
def test_async(self):
assert normalize_backend(Backend("trio"),
async_mode=True) == Backend("trio")
assert normalize_backend("twisted",
async_mode=True) == Backend("twisted")
with pytest.raises(ValueError) as excinfo:
normalize_backend(Backend("sync"), async_mode=True)
assert ('sync backend needs to be run in sync mode' == str(
excinfo.value))
from twisted.internet import reactor
assert (normalize_backend(Backend("twisted", reactor=reactor),
async_mode=True) == Backend("twisted",
reactor=reactor))
def test_sync(self):
load_backend(normalize_backend("sync", async_mode=False))
def test_unknown(self):
with pytest.raises(ValueError) as excinfo:
normalize_backend("_unknown", async_mode=False)
assert "unknown backend specifier _unknown" == str(excinfo.value)