Files
ipython-demo/tests/test_jupyter_app.py
T

134 lines
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Python

import asyncio
import unittest
from ipython_shell.jupyter.app import JupyterApp
from ipython_shell.jupyter.shell import JupyterShell
from ipython_shell.jupyter.transport import InputRequest, KernelMessage
class JupyterShellTests(unittest.IsolatedAsyncioTestCase):
async def test_shell_keeps_namespace_between_cells(self):
shell = JupyterShell("persistent")
try:
first = [
message
async for message in shell.run_cell_stream(
"answer = 41; answer",
call_id="call-1",
)
]
second = [
message
async for message in shell.run_cell_stream(
"answer + 1",
call_id="call-2",
)
]
finally:
await shell.shutdown()
self.assertEqual(
next(
message.content["data"]["text/plain"]
for message in first
if isinstance(message, KernelMessage)
and message.msg_type == "execute_result"
),
"41",
)
self.assertEqual(
next(
message.content["data"]["text/plain"]
for message in second
if isinstance(message, KernelMessage)
and message.msg_type == "execute_result"
),
"42",
)
class JupyterAppTests(unittest.IsolatedAsyncioTestCase):
async def test_named_shells_have_isolated_namespaces(self):
app = JupyterApp()
try:
_alpha_setup = [
message
async for message in app.run_code_stream(
"alpha_only = 'alpha'",
shell_name="alpha",
)
]
beta_view = [
message
async for message in app.run_code_stream(
"'alpha_only' in globals()",
shell_name="beta",
)
]
alpha_view = [
message
async for message in app.run_code_stream(
"alpha_only",
shell_name="alpha",
)
]
finally:
await app.shutdown()
self.assertEqual(
next(
message.content["data"]["text/plain"]
for message in beta_view
if isinstance(message, KernelMessage)
and message.msg_type == "execute_result"
),
"False",
)
self.assertEqual(
next(
message.content["data"]["text/plain"]
for message in alpha_view
if isinstance(message, KernelMessage)
and message.msg_type == "execute_result"
),
"'alpha'",
)
async def test_app_routes_input_reply_to_the_call(self):
app = JupyterApp()
stream = app.run_code_stream(
"answer = input('name? '); answer",
shell_name="new",
)
try:
while True:
event = await asyncio.wait_for(anext(stream), timeout=5)
if isinstance(event, InputRequest):
input_request = event
break
self.assertIsInstance(input_request, InputRequest)
assert isinstance(input_request, InputRequest)
self.assertTrue(input_request.call_id)
self.assertEqual(input_request.prompt, "name? ")
await app.reply_to_input(input_request.call_id, "Ada")
messages = [message async for message in stream]
finally:
await app.shutdown()
self.assertEqual(
next(
message.content["data"]["text/plain"]
for message in messages
if isinstance(message, KernelMessage)
and message.msg_type == "execute_result"
),
"'Ada'",
)
if __name__ == "__main__":
unittest.main()