/usr/lib/python3/dist-packages/zope/fixers/tests.py is in python3-zope.fixers 1.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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from lib2to3.refactor import RefactoringTool
# Check that various import syntaxes get renamed properly.
imports_source = """
from zope.interface import Interface, implements, providedBy
from zope.interface import providedBy, implements, Interface
from zope.interface import providedBy, implements
from zope.interface import implements, Interface
from zope.interface import implements
from zope.interface import implements as renamed
"""
imports_target = """
from zope.interface import Interface, implementer, providedBy
from zope.interface import providedBy, implementer, Interface
from zope.interface import providedBy, implementer
from zope.interface import implementer, Interface
from zope.interface import implementer
from zope.interface import implementer as renamed
"""
# Test a simple case.
simple_source = """
from zope.interface import implements
class IFoo(Interface):
pass
class Foo:
"An IFoo class"
implements(IFoo)
"""
simple_target = """
from zope.interface import implementer
class IFoo(Interface):
pass
@implementer(IFoo)
class Foo:
"An IFoo class"
"""
# Multiple interfaces:
multi_source = """
from zope.interface import implements
class IFoo(Interface):
pass
class IBar(Interface):
pass
class Foo:
"An IFoo class"
implements(IFoo, IBar)
"""
multi_target = """
from zope.interface import implementer
class IFoo(Interface):
pass
class IBar(Interface):
pass
@implementer(IFoo, IBar)
class Foo:
"An IFoo class"
"""
# Make sure it works even if implements gets renamed.
renamed_source = """
from zope.interface import implements as renamed
class IBar(Interface):
pass
class Bar:
"An IBar class"
renamed(IBar)
"""
renamed_target = """
from zope.interface import implementer as renamed
class IBar(Interface):
pass
@renamed(IBar)
class Bar:
"An IBar class"
"""
# Often only the module gets imported.
module_import_source = """
from zope import interface
class IFoo(Interface):
pass
class Foo:
"An IFoo class"
interface.implements(IFoo)
"""
module_import_target = """
from zope import interface
class IFoo(Interface):
pass
@interface.implementer(IFoo)
class Foo:
"An IFoo class"
"""
# Interface can get renamed. It's unusual, but should be supported.
module_renamed_source = """
from zope import interface as zopeinterface
class IFoo(Interface):
pass
class Foo:
"An IFoo class"
zopeinterface.implements(IFoo)
"""
module_renamed_target = """
from zope import interface as zopeinterface
class IFoo(Interface):
pass
@zopeinterface.implementer(IFoo)
class Foo:
"An IFoo class"
"""
# Many always uses the full module name.
full_import_source = """
import zope.interface
class IFoo(Interface):
pass
class Foo:
"An IFoo class"
zope.interface.implements(IFoo)
"""
full_import_target = """
import zope.interface
class IFoo(Interface):
pass
@zope.interface.implementer(IFoo)
class Foo:
"An IFoo class"
"""
# Empty classes:
empty_class_source = """
import zope.interface
class IFoo(Interface):
pass
class Foo:
zope.interface.implements(IFoo)
"""
empty_class_target = """
import zope.interface
class IFoo(Interface):
pass
@zope.interface.implementer(IFoo)
class Foo:
pass
"""
# Classes with indentation:
indented_class_source = """
import zope.interface
class IFoo(Interface):
pass
def forceindent():
class Foo:
zope.interface.implements(IFoo)
class Bar:
zope.interface.implements(IFoo)
"""
indented_class_target = """
import zope.interface
class IFoo(Interface):
pass
def forceindent():
@zope.interface.implementer(IFoo)
class Foo:
pass
@zope.interface.implementer(IFoo)
class Bar:
pass
"""
# Edge cases I've encountered.
edge_cases_source = """
class Test(unittest.TestCase):
# Note that most of the tests are in the doc strings of the
# declarations module.
def test_builtins(self):
# Setup
intspec = implementedBy(int)
olddeclared = intspec.declared
classImplements(int, I1)
class myint(int):
implements(I2)
def test_implementedBy(self):
class I2(I1): pass
class C1(Odd):
implements(I2)
class C2(C1):
implements(I3)
"""
edge_cases_target = """
class Test(unittest.TestCase):
# Note that most of the tests are in the doc strings of the
# declarations module.
def test_builtins(self):
# Setup
intspec = implementedBy(int)
olddeclared = intspec.declared
classImplements(int, I1)
@implementer(I2)
class myint(int):
pass
def test_implementedBy(self):
class I2(I1): pass
@implementer(I2)
class C1(Odd):
pass
@implementer(I3)
class C2(C1):
pass
"""
class FixerTest(unittest.TestCase):
def _test(self, source, target):
refactored = str(self.refactor(source, 'zope.fixer.test'))
if refactored != target:
match = ''
for i in range(min(len(refactored), len(target))):
if refactored[i] == target[i]:
match += refactored[i]
else:
break
msg = "\nResult:\n" + refactored
msg += "\nFailed:\n" + refactored[i:]
msg += "\nTarget:\n" + target[i:]
# Make spaces and tabs visible:
msg = msg.replace(' ', '°')
msg = msg.replace('\t', '------->')
msg = ("Test failed at character %i" % i) + msg
self.fail(msg)
class ImplementsFixerTest(FixerTest):
def setUp(self):
self.refactor = RefactoringTool(['zope.fixers.fix_implements']).refactor_string
def test_imports(self):
self._test(imports_source, imports_target)
def test_simple(self):
self._test(simple_source, simple_target)
def test_multi(self):
self._test(multi_source, multi_target)
def test_renamed(self):
self._test(renamed_source, renamed_target)
def test_module_import(self):
self._test(module_import_source, module_import_target)
def test_module_renamed(self):
self._test(module_renamed_source, module_renamed_target)
def test_full_import(self):
self._test(full_import_source, full_import_target)
def test_empty_class(self):
self._test(empty_class_source, empty_class_target)
def test_indented_class(self):
self._test(indented_class_source, indented_class_target)
def test_edge_cases(self):
self._test(edge_cases_source, edge_cases_target)
implements_only_source = """
from zope.interface import implementsOnly
class IFoo(Interface):
pass
class Foo:
"An IFoo class"
implementsOnly(IFoo)
"""
implements_only_target = """
from zope.interface import implementer_only
class IFoo(Interface):
pass
@implementer_only(IFoo)
class Foo:
"An IFoo class"
"""
class ImplementsOnlyFixerTest(FixerTest):
def setUp(self):
self.refactor = RefactoringTool(['zope.fixers.fix_implements_only']).refactor_string
def test_implements_only(self):
self._test(implements_only_source, implements_only_target)
doctest_source = """
>>> class A(object):
... implements(I1)
>>> class B(object):
... implements(I2)
>>> class Foo(object):
... implements(IFoo)
... x = 1
... def __init__(self):
... self.y = 2
"""
doctest_target = """
>>> @implementer(I1)
... class A(object):
... pass
>>> @implementer(I2)
... class B(object):
... pass
>>> @implementer(IFoo)
... class Foo(object):
... x = 1
... def __init__(self):
... self.y = 2
"""
class DoctestFixerTest(FixerTest):
def setUp(self):
self.refactor = RefactoringTool(['zope.fixers.fix_implements']).refactor_docstring
def test_doctest(self):
self._test(doctest_source, doctest_target)
dual_fixes_source = """
>>> class C(object):
... implements(IFoo)
... classProvides(IFooFactory)
"""
dual_fixes_target = """
>>> @provider(IFooFactory)
... @implementer(IFoo)
... class C(object):
... pass
"""
class DualFixersTest(FixerTest):
def setUp(self):
self.refactor = RefactoringTool(['zope.fixers.fix_implements',
'zope.fixers.fix_class_provides']
).refactor_docstring
def test_dualfixers(self):
self._test(dual_fixes_source, dual_fixes_target)
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