| 1 | #!/usr/bin/env python2
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| 2 | """
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| 3 | prompt_test.py: Tests for prompt.py
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| 4 | """
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| 5 | from __future__ import print_function
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| 6 |
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| 7 | import unittest
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| 8 |
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| 9 | from _devbuild.gen.value_asdl import value
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| 10 | from core import state
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| 11 | from core import test_lib
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| 12 | from frontend import match
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| 13 | from osh import prompt # module under test
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| 14 |
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| 15 |
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| 16 | class PromptTest(unittest.TestCase):
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| 17 |
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| 18 | def setUp(self):
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| 19 | arena = test_lib.MakeArena('<ui_test.py>')
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| 20 | mem = state.Mem('', [], arena, [], {})
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| 21 | parse_ctx = test_lib.InitParseContext()
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| 22 | self.p = prompt.Evaluator('osh', '0.0.0', parse_ctx, mem)
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| 23 | # note: this has a separate 'mem' object
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| 24 | self.p.word_ev = test_lib.InitWordEvaluator()
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| 25 |
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| 26 | def testEvaluator(self):
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| 27 | # Regression for caching bug!
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| 28 | self.assertEqual('foo', self.p.EvalPrompt(value.Str('foo')))
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| 29 | self.assertEqual('foo', self.p.EvalPrompt(value.Str('foo')))
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| 30 |
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| 31 | def testNoEscapes(self):
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| 32 | for prompt_str in ["> ", "osh>", "[[]][[]][][]]][["]:
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| 33 | self.assertEqual(self.p.EvalPrompt(value.Str(prompt_str)),
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| 34 | prompt_str)
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| 35 |
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| 36 | def testValidEscapes(self):
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| 37 | for prompt_str in [
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| 38 | "\[\033[01;34m\]user\[\033[00m\] >", r"\[\]\[\]\[\]",
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| 39 | r"\[\] hi \[hi\] \[\] hello"
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| 40 | ]:
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| 41 | self.assertEqual(
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| 42 | self.p.EvalPrompt(value.Str(prompt_str)),
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| 43 | prompt_str.replace(r"\[", "\x01").replace(r"\]", "\x02"))
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| 44 |
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| 45 | def testInvalidEscapes(self):
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| 46 | for invalid_prompt in [
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| 47 | r"\[\[",
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| 48 | r"\[\]\[\]\]",
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| 49 | r"\]\]",
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| 50 | r"almost valid \]",
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| 51 | r"\[almost valid",
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| 52 | r"\]\[", # goes negative!
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| 53 | ]:
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| 54 | tokens = match.Ps1Tokens(invalid_prompt)
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| 55 | self.assertEqual(r'<Error: Unbalanced \[ and \]> ',
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| 56 | self.p._ReplaceBackslashCodes(tokens))
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| 57 |
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| 58 |
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| 59 | if __name__ == '__main__':
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| 60 | unittest.main()
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