mirror of https://github.com/pulumi/pulumi.git
65 lines
2.2 KiB
Python
65 lines
2.2 KiB
Python
# Copyright 2024-2024, Pulumi Corporation.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import asyncio
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import os
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import tempfile
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import time
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import unittest
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from pulumi.automation._stack import _watch_logs
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from pulumi.automation import EngineEvent, StdoutEngineEvent
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class TestStack(unittest.IsolatedAsyncioTestCase):
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async def test_always_read_complete_lines(self):
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tmp = tempfile.NamedTemporaryFile(delete=False)
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async def write_lines(tmp):
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with open(tmp, "w") as f:
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parts = [
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'{"stdoutEvent": ',
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'{"message": "hello", "color": "blue"}',
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"}\n",
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'{"stdoutEvent": ',
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'{"message": "world"',
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', "color": "red"}}\n',
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'{"cancelEvent": {}}\n',
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]
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for part in parts:
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f.write(part)
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f.flush()
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time.sleep(0.2)
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write_task = asyncio.create_task(write_lines(tmp.name))
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event_num = 0
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def callback(event):
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nonlocal event_num
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if event_num == 0:
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self.assertTrue(event.stdout_event)
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self.assertEqual(event.stdout_event.message, "hello")
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self.assertEqual(event.stdout_event.color, "blue")
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elif event_num == 1:
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self.assertTrue(event.stdout_event)
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self.assertEqual(event.stdout_event.message, "world")
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self.assertEqual(event.stdout_event.color, "red")
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event_num += 1
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async def watch_async():
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_watch_logs(tmp.name, callback)
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watch_task = asyncio.create_task(watch_async())
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await asyncio.gather(write_task, watch_task)
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