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annotate test/test_demo.py @ 6528:6cf050b43eaf

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author John Rouillard <rouilj@ieee.org>
date Sun, 07 Nov 2021 12:42:49 -0500
parents 3e33b22a3158
children 5a3a386aa8e7
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3e33b22a3158 BAsic test of demo and server intialization.
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1 import unittest
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2 import os, sys, shutil
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3
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4 from roundup.demo import install_demo, run_demo
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5
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6 import roundup.scripts.roundup_server
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7
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8 # https://stackoverflow.com/questions/4219717/how-to-assert-output-with-nosetest-unittest-in-python
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9 # lightly modified
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10 from contextlib import contextmanager
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11 _py3 = sys.version_info[0] > 2
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12 if _py3:
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13 from io import StringIO # py3
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14 else:
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15 from StringIO import StringIO # py2
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16 @contextmanager
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17 def captured_output():
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18 new_out, new_err = StringIO(), StringIO()
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19 old_out, old_err = sys.stdout, sys.stderr
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20 try:
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21 sys.stdout, sys.stderr = new_out, new_err
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22 yield sys.stdout, sys.stderr
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23 finally:
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24 sys.stdout, sys.stderr = old_out, old_err
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25
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26 class TestDemo(unittest.TestCase):
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27 def setUp(self):
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28 self.home = os.path.abspath('_test_demo')
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29
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30 def tearDown(self):
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31 try:
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32 shutil.rmtree(self.home)
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33 except FileNotFoundError:
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34 pass
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35
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36 def testDemo(self):
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37 with captured_output() as (out, err):
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38 install_demo(self.home, 'anydbm', 'classic')
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39 output = out.getvalue().strip()
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40 print(output)
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41
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42 # dummy up the return of get_server so the serve_forever method
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43 # raises keyboard interrupt exiting the server so the test exits.
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44 gs = roundup.scripts.roundup_server.ServerConfig.get_server
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45 def raise_KeyboardInterrupt():
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46 raise KeyboardInterrupt
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47
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48 def test_get_server(self):
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49 httpd = gs(self)
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50 httpd.serve_forever = raise_KeyboardInterrupt
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51 return httpd
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52
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53 roundup.scripts.roundup_server.ServerConfig.get_server = test_get_server
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54
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55 # Run under context manager to capture output of startup text.
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56 with captured_output() as (out, err):
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57 run_demo(self.home)
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58 output = out.getvalue().strip()
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59 print(output)
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60 # if the server installed and started this will be the
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61 # last line in the output.
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62 self.assertIn("Keyboard Interrupt: exiting", output.split('\n'))
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63
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64
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