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test_nonlocal.py
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127 lines (94 loc) · 2.71 KB
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import sys
import pytest
import python_minifier
def test_nonlocal_name():
if sys.version_info < (3, 0):
pytest.skip('No nonlocal in python < 3.0')
test_code = '''
def test():
def outer():
def inner():
nonlocal rename_me
rename_me = 'inner'
inner()
rename_me = False
outer()
return rename_me
result = test()
'''
# First check we understand the behavior
unminified_locals = {}
exec(test_code, {}, unminified_locals)
assert unminified_locals['result'] == 'inner'
minified = python_minifier.minify(test_code, rename_locals=True)
print(minified)
minified_locals = {}
exec(minified, {}, minified_locals)
assert minified_locals['result'] == 'inner'
def test_nonlocal_def():
if sys.version_info < (3, 0):
pytest.skip('No nonlocal in python < 3.0')
test_code = '''
def test():
def patch():
nonlocal f
f = lambda: 2
def f():
return 1
patch()
return f()
result = test()
'''
# First check we understand the behavior
unminified_locals = {}
exec(test_code, {}, unminified_locals)
assert unminified_locals['result'] == 2
minified = python_minifier.minify(test_code, rename_locals=True)
print(minified)
minified_locals = {}
exec(minified, {}, minified_locals)
assert minified_locals['result'] == 2
def test_nonlocal_import():
if sys.version_info < (3, 0):
pytest.skip('No nonlocal in python < 3.0')
test_code = '''
def test():
def patch():
nonlocal hashlib
import hashlib
hashlib = None
patch()
return 'sha256' in hashlib.algorithms_available
result = test()
'''
# First check we understand the behavior
unminified_locals = {}
exec(test_code, {}, unminified_locals)
assert unminified_locals['result'] is True
minified = python_minifier.minify(test_code, rename_locals=True)
print(minified)
minified_locals = {}
exec(minified, {}, minified_locals)
assert minified_locals['result'] is True
def test_nonlocal_import_alias():
if sys.version_info < (3, 0):
pytest.skip('No nonlocal in python < 3.0')
test_code = '''
def test():
def patch():
nonlocal a
import hashlib as a
a = None
patch()
return 'sha256' in a.algorithms_available
result = test()
'''
# First check we understand the behavior
unminified_locals = {}
exec(test_code, {}, unminified_locals)
assert unminified_locals['result'] is True
minified = python_minifier.minify(test_code, rename_locals=True)
print(minified)
minified_locals = {}
exec(minified, {}, minified_locals)
assert minified_locals['result'] is True