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# Copyright (c) Jupyter Development Team.
# Distributed under the terms of the Modified BSD License.
import os
import sys
import warnings
import pytest
from jupyterlab_server.process import Process, WatchHelper, which
from jupyterlab_server.process_app import ProcessApp
def test_which():
assert which("jupyter")
async def test_process():
p = Process([sys.executable, "--version"])
p.get_log().info("test")
assert p.wait() == 0
p = Process([sys.executable, "--version"])
p.get_log().info("test")
assert await p.wait_async() == 0
assert p.terminate() == 0
@pytest.mark.skipif(os.name == "nt", reason="Fails on Windows")
async def test_watch_helper():
helper = WatchHelper([sys.executable, "-i"], ">>>")
helper.terminate()
helper.wait()
def test_process_app():
class TestApp(ProcessApp):
name = "tests"
app = TestApp()
app.initialize_server([])
try:
app.initialize()
with pytest.raises(SystemExit):
app.start()
# Kandle exception on older versions of server.
except Exception as e:
# Convert to warning so the test will pass on min version test.
warnings.warn(str(e), stacklevel=2)
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