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https://github.com/PiBrewing/craftbeerpi4.git
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75 lines
2.2 KiB
Python
75 lines
2.2 KiB
Python
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"""
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Tests which scan for certain occurrences in the code, they may not find
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all of these occurrences but should catch almost all.
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"""
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import pytest
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from pathlib import Path
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import ast
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import tokenize
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import numpy
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class ParseCall(ast.NodeVisitor):
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def __init__(self):
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self.ls = []
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def visit_Attribute(self, node):
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ast.NodeVisitor.generic_visit(self, node)
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self.ls.append(node.attr)
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def visit_Name(self, node):
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self.ls.append(node.id)
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class FindFuncs(ast.NodeVisitor):
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def __init__(self, filename):
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super().__init__()
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self.__filename = filename
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def visit_Call(self, node):
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p = ParseCall()
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p.visit(node.func)
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ast.NodeVisitor.generic_visit(self, node)
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if p.ls[-1] == 'simplefilter' or p.ls[-1] == 'filterwarnings':
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if node.args[0].s == "ignore":
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raise AssertionError(
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"warnings should have an appropriate stacklevel; found in "
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"{} on line {}".format(self.__filename, node.lineno))
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if p.ls[-1] == 'warn' and (
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len(p.ls) == 1 or p.ls[-2] == 'warnings'):
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if "testing/tests/test_warnings.py" == self.__filename:
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# This file
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return
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# See if stacklevel exists:
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if len(node.args) == 3:
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return
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args = {kw.arg for kw in node.keywords}
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if "stacklevel" in args:
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return
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raise AssertionError(
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"warnings should have an appropriate stacklevel; found in "
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"{} on line {}".format(self.__filename, node.lineno))
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@pytest.mark.slow
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def test_warning_calls():
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# combined "ignore" and stacklevel error
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base = Path(numpy.__file__).parent
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for path in base.rglob("*.py"):
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if base / "testing" in path.parents:
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continue
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if path == base / "__init__.py":
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continue
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if path == base / "random" / "__init__.py":
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continue
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# use tokenize to auto-detect encoding on systems where no
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# default encoding is defined (e.g. LANG='C')
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with tokenize.open(str(path)) as file:
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tree = ast.parse(file.read())
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FindFuncs(path).visit(tree)
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