79 lines
2.4 KiB
Python
79 lines
2.4 KiB
Python
import contextlib
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import importlib
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import io
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import json
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import re
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import subprocess
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import sys
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import unittest
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from unittest.mock import Mock, patch
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from ipython_demo.app import App
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from ipython_demo.models import CallResponse
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class AppTests(unittest.TestCase):
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def test_generate_good_names_uses_readable_random_words(self):
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app_module = importlib.import_module("ipython_demo.app")
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generator = Mock()
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generator.word.side_effect = ["luminous", "otter"]
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with patch.object(
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app_module,
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"_WORD_GENERATOR",
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generator,
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create=True,
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):
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name = app_module.generate_good_names()
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self.assertRegex(name, re.compile(r"^[a-z]+-[a-z]+-[0-9a-f]{4}$"))
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generator.word.assert_any_call(include_parts_of_speech=["adjectives"])
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generator.word.assert_any_call(include_parts_of_speech=["nouns"])
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def test_main_emits_one_json_payload(self):
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completed = subprocess.run(
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[sys.executable, "-c", "from ipython_demo.app import main; main()"],
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capture_output=True,
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text=True,
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check=True,
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)
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payload = json.loads(completed.stdout)
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self.assertEqual(len(payload), 2)
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self.assertEqual(payload[0]["events"][0]["kind"], "stdout")
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self.assertTrue(payload[1]["collapsed"])
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def test_run_code_returns_frontend_facing_call_response(self):
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app = App()
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with contextlib.redirect_stdout(io.StringIO()):
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call = app.run_code(
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"print('hello'); 2 + 2",
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shell_name="new",
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collapsed=True,
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)
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self.assertIsInstance(call, CallResponse)
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self.assertEqual(call.code, "print('hello'); 2 + 2")
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self.assertTrue(call.collapsed)
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self.assertEqual(call.result.result, 4)
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self.assertEqual([event.kind for event in call.events], [
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"stdout",
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"execute_result",
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])
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def test_last_reuses_shell_but_each_call_has_new_id(self):
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app = App()
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with contextlib.redirect_stdout(io.StringIO()):
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first = app.run_code("x = 41", shell_name="new")
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second = app.run_code("x + 1", shell_name="last")
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self.assertEqual(first.shell_name, second.shell_name)
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self.assertNotEqual(first.call_id, second.call_id)
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self.assertEqual(second.result.result, 42)
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if __name__ == "__main__":
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unittest.main()
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