lightning/tests/tests_app_examples/test_multi_node.py

30 lines
746 B
Python

import os
from tests_app import _PROJECT_ROOT
from lightning_app.testing.testing import application_testing, LightningTestApp
class LightningTestMultiNodeApp(LightningTestApp):
def on_before_run_once(self):
res = super().on_before_run_once()
if all(w.has_finished for w in self.works):
return True
return res
def test_multi_node_example():
cwd = os.getcwd()
new_cwd = os.path.join(_PROJECT_ROOT, "examples/app_multi_node")
os.chdir(new_cwd)
command_line = [
"app.py",
"--blocking",
"False",
"--open-ui",
"False",
]
result = application_testing(LightningTestMultiNodeApp, command_line)
assert result.exit_code == 0
os.chdir(cwd)