def test_runtime_available(self):
runtime = execjs.ExternalRuntime(command=["nonexistent"],
name=None,
runner_path=None)
self.assertFalse(runtime.is_available())
runtime = execjs.ExternalRuntime(command=["python"],
name=None,
runner_path=None)
self.assertTrue(runtime.is_available())
raise Exception
def backend(self):
"Internal property that returns the Node script running harness"
if self._backend is None:
with io.open(path.join(path.abspath(path.dirname(__file__)), "runner.js")) as runner_file:
runner_source = runner_file.read()
self._backend = execjs.ExternalRuntime(name="Node.js (V8)",
command=["node"],
runner_source=runner_source)
return self._backend
def test_runtime_availability(self):
r = execjs.ExternalRuntime("fail", ["nonexistent"], "")
self.assertFalse(r.is_available())
r = execjs.ExternalRuntime("success", ["python"], "")
self.assertTrue(r.is_available())