bpo-40334: Fix test_peg_parser to actually use the old parser #19778
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Now that the default parser is the new PEG parser, ast.parse uses it, which means that we don't actually test something in test_peg_parser. This PR introduces a new kwarg `oldparser` for `_peg_parser.parse_string` for specifying that a string needs to be parsed with the old parser. This kwarg is used in the tests to actually compare the ASTs the new parser generates with those generated by the old parser. Closes we-like-parsers/cpyhton#93.
pablogsal
approved these changes
Apr 28, 2020
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Closing and opening to re-trigger the CI |
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@pablogsal Can we merge this? |
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Now that the default parser is the new PEG parser, ast.parse uses
it, which means that we don't actually test something in
test_peg_parser. This PR introduces a new kwarg
oldparserfor_peg_parser.parse_stringfor specifying that a string needs tobe parsed with the old parser. This kwarg is used in the tests to
actually compare the ASTs the new parser generates with those
generated by the old parser.
Closes we-like-parsers/cpyhton#93.
https://bugs.python.org/issue40334