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annotate test/test_pythonexpr.py @ 8440:254f70dfc585

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bug, refactor, test: make pragma history_length work interactively history_length could be set interactively, but it was never used to set readline/pyreadline3's internal state. Using the pragma setting on the roundup-admin command line did set readline's state. Also refactored 2 calls to self.readline.get_current_history_length() into one call and storing in a variable. Also changed method for creating history strings for printing. Tests added for history_length pragma on cli and interactive use. Added test for exiting roundup-admin with EOF on input. Added test for 'readline nosuchdirective' error case. Added test to readline with a command directive to set an internal variable. This last one has no real test to see if it was successful because I can't emulate a real keyboard/tty which is needed to test.
author John Rouillard <rouilj@ieee.org>
date Sun, 31 Aug 2025 20:59:04 -0400
parents e70885fe72a4
children
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1 """
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2 In Python 3, sometimes TAL "python:" expressions that refer to
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3 variables but not all variables are recognized. That is in Python 2.7
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4 all variables used in a TAL "python:" expression are recognized as
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5 references. In Python 3.5 (perhaps earlier), some TAL "python:"
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6 expressions refer to variables but the reference generates an error
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7 like this:
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8
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9 <class 'NameError'>: name 'some_tal_variable' is not defined
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10
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11 even when the variable is defined. Output after this message lists the
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12 variable and its value.
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13 """
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14
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15 import unittest
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16
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17 from roundup.cgi.PageTemplates.PythonExpr import PythonExpr as PythonExprClass
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18
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19 class ExprTest(unittest.TestCase):
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20 def testExpr(self):
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21 expr = '[x for x in context.assignedto ' \
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22 'if x.realname not in user_realnames]'
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23 pe = PythonExprClass('test', expr, None)
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24 # Looking at the expression, only context and user_realnames are
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25 # external variables. The names assignedto and realname are members,
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26 # and x is local.
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27 required_names = ['context', 'user_realnames']
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28 got_names = pe._f_varnames
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29 for required_name in required_names:
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30 self.assertIn(required_name, got_names)
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