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Self test on parsos files to check if there's no syntax errors.

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This commit is contained in:
Dave Halter
2017-08-05 23:39:44 +02:00
parent db3c635fcd
commit 0e3e393f37
2 changed files with 28 additions and 2 deletions
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7
parso/python/normalizer.py
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@@ -430,7 +430,7 @@ class ErrorFinder(Normalizer):
self._add_syntax_error(message % p.name.value, p.name) self._add_syntax_error(message % p.name.value, p.name)
param_names.add(p.name.value) param_names.add(p.name.value)
if p.default is None: if p.default is None and not p.star_count:
if default_only: if default_only:
# def f(x=3, y): pass # def f(x=3, y): pass
message = "non-default argument follows default argument" message = "non-default argument follows default argument"
@@ -510,6 +510,9 @@ class ErrorFinder(Normalizer):
yield yield
if node.type == 'suite':
self._indentation_count -= 1
def visit_leaf(self, leaf): def visit_leaf(self, leaf):
if leaf.type == 'error_leaf': if leaf.type == 'error_leaf':
if leaf.original_type in ('indent', 'error_dedent'): if leaf.original_type in ('indent', 'error_dedent'):
@@ -597,7 +600,7 @@ class ErrorFinder(Normalizer):
elif leaf.value == 'break': elif leaf.value == 'break':
in_loop = False in_loop = False
for block in self._context.blocks: for block in self._context.blocks:
if block.type == 'for_stmt': if block.type in ('for_stmt', 'while_stmt'):
in_loop = True in_loop = True
if not in_loop: if not in_loop:
self._add_syntax_error("'break' outside loop", leaf) self._add_syntax_error("'break' outside loop", leaf)

23
test/test_file_python_errors.py Normal file
View File

@@ -0,0 +1,23 @@
import os
import parso
def get_python_files(path):
for dir_path, dir_names, file_names in os.walk(path):
for file_name in file_names:
if file_name.endswith('.py'):
yield os.path.join(dir_path, file_name)
def test_parso_files(each_version):
"""
There are obviously no syntax erros in the Python code of parso. However
parso should output the same for all versions.
"""
grammar = parso.load_grammar(version=each_version)
path = os.path.dirname(os.path.dirname(__file__)) + '/parso'
for file in get_python_files(path):
tree = grammar.parse(path=file)
errors = list(tree._iter_errors(grammar))
assert not errors