def test_no_import_sideeffects(self):
# A parser with no symbols registered.
parser = LegacyPythonCallbacksParser(SymbolTable({}), BuildFileAliases(), build_file_imports_behavior='allow')
# Call to import a module should succeed.
parser.parse('/dev/null', b'''import os; os.path.join('x', 'y')''')
# But the imported module should not be visible as a symbol in further parses.
with self.assertRaises(NameError):
parser.parse('/dev/null', b'''os.path.join('x', 'y')''')
def test_no_import_sideeffects(self) -> None:
# A parser with no symbols registered.
parser = LegacyPythonCallbacksParser(
SymbolTable({}),
BuildFileAliases(),
build_file_imports_behavior=BuildFileImportsBehavior.warn,
)
# Call to import a module should succeed.
parser.parse(
"/dev/null",
b"""import os; os.path.join('x', 'y')""",
BuildFilePreludeSymbols(FrozenDict()),
)
# But the imported module should not be visible as a symbol in further parses.
with self.assertRaises(NameError):
parser.parse("/dev/null", b"""os.path.join('x', 'y')""",
BuildFilePreludeSymbols(FrozenDict()))