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annotate test/test_demo.py @ 6330:fbce23af2120

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Test case for backend not defined; remove unreachable code Verify that error is raised in configuration.py if backend is not defined in config.ini. Remove unreachable code from instance.py that detects that backend is not defined. It hasn't been reachable since version 1.6.1 because the configuration.py module made the backend option mandatory. Hence configuration.py raises the error and never passes control back to the unreachable code.
author John Rouillard <rouilj@ieee.org>
date Tue, 02 Mar 2021 00:08:51 -0500
parents 3e33b22a3158
children 5a3a386aa8e7
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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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