cpython/Lib/lib2to3/tests/test_util.py

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#!/usr/bin/env python2.5
""" Test suite for the code in fixes.util """
# Author: Collin Winter
# Testing imports
from . import support
# Python imports
import os.path
# Local imports
from .. import pytree
Merged revisions 63661,63666,63695,63711,63729,63769,63790,63880,63886 via svnmerge from svn+ssh://pythondev@svn.python.org/sandbox/trunk/2to3/lib2to3 ........ r63661 | georg.brandl | 2008-05-26 05:26:20 -0500 (Mon, 26 May 2008) | 2 lines Add import fixes for dbm package. ........ r63666 | georg.brandl | 2008-05-26 05:49:09 -0500 (Mon, 26 May 2008) | 2 lines Add xmlrpc package fixes. ........ r63695 | georg.brandl | 2008-05-26 10:14:33 -0500 (Mon, 26 May 2008) | 2 lines Add fixer entries for http package. ........ r63711 | benjamin.peterson | 2008-05-26 13:43:51 -0500 (Mon, 26 May 2008) | 2 lines add import mapping for test.test_support -> test.support ........ r63729 | benjamin.peterson | 2008-05-26 16:31:03 -0500 (Mon, 26 May 2008) | 2 lines mapping for commands module -> subprocess ........ r63769 | brett.cannon | 2008-05-29 00:13:13 -0500 (Thu, 29 May 2008) | 1 line Fixer for UserString.UserString over to the collections module. ........ r63790 | brett.cannon | 2008-05-29 14:13:51 -0500 (Thu, 29 May 2008) | 4 lines Add a fixer for UserList. Closes issue #2878. Thanks to Quentin Gallet-Gilles for the patch. ........ r63880 | collin.winter | 2008-06-01 18:09:38 -0500 (Sun, 01 Jun 2008) | 6 lines Move lib2to3/fixes/{basefix,util}.py down to lib2to3/. This is step 1 of turning lib2to3/ into a general-purpose refactoring library, reusable by other projects. ........ r63886 | collin.winter | 2008-06-01 22:15:01 -0500 (Sun, 01 Jun 2008) | 5 lines Allow refactoring tools to specify a directory for fixer modules. This is step 2 of turning lib2to3/ into a general-purpose refactoring library, reusable by other projects. Step 1: r63880. ........
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from .. import fixer_util
from ..fixer_util import Attr, Name
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def parse(code, strip_levels=0):
# The topmost node is file_input, which we don't care about.
# The next-topmost node is a *_stmt node, which we also don't care about
tree = support.parse_string(code)
for i in range(strip_levels):
tree = tree.children[0]
tree.parent = None
return tree
class MacroTestCase(support.TestCase):
def assertStr(self, node, string):
if isinstance(node, (tuple, list)):
Merged revisions 63661,63666,63695,63711,63729,63769,63790,63880,63886 via svnmerge from svn+ssh://pythondev@svn.python.org/sandbox/trunk/2to3/lib2to3 ........ r63661 | georg.brandl | 2008-05-26 05:26:20 -0500 (Mon, 26 May 2008) | 2 lines Add import fixes for dbm package. ........ r63666 | georg.brandl | 2008-05-26 05:49:09 -0500 (Mon, 26 May 2008) | 2 lines Add xmlrpc package fixes. ........ r63695 | georg.brandl | 2008-05-26 10:14:33 -0500 (Mon, 26 May 2008) | 2 lines Add fixer entries for http package. ........ r63711 | benjamin.peterson | 2008-05-26 13:43:51 -0500 (Mon, 26 May 2008) | 2 lines add import mapping for test.test_support -> test.support ........ r63729 | benjamin.peterson | 2008-05-26 16:31:03 -0500 (Mon, 26 May 2008) | 2 lines mapping for commands module -> subprocess ........ r63769 | brett.cannon | 2008-05-29 00:13:13 -0500 (Thu, 29 May 2008) | 1 line Fixer for UserString.UserString over to the collections module. ........ r63790 | brett.cannon | 2008-05-29 14:13:51 -0500 (Thu, 29 May 2008) | 4 lines Add a fixer for UserList. Closes issue #2878. Thanks to Quentin Gallet-Gilles for the patch. ........ r63880 | collin.winter | 2008-06-01 18:09:38 -0500 (Sun, 01 Jun 2008) | 6 lines Move lib2to3/fixes/{basefix,util}.py down to lib2to3/. This is step 1 of turning lib2to3/ into a general-purpose refactoring library, reusable by other projects. ........ r63886 | collin.winter | 2008-06-01 22:15:01 -0500 (Sun, 01 Jun 2008) | 5 lines Allow refactoring tools to specify a directory for fixer modules. This is step 2 of turning lib2to3/ into a general-purpose refactoring library, reusable by other projects. Step 1: r63880. ........
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node = pytree.Node(fixer_util.syms.simple_stmt, node)
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self.assertEqual(str(node), string)
class Test_is_tuple(support.TestCase):
def is_tuple(self, string):
Merged revisions 63661,63666,63695,63711,63729,63769,63790,63880,63886 via svnmerge from svn+ssh://pythondev@svn.python.org/sandbox/trunk/2to3/lib2to3 ........ r63661 | georg.brandl | 2008-05-26 05:26:20 -0500 (Mon, 26 May 2008) | 2 lines Add import fixes for dbm package. ........ r63666 | georg.brandl | 2008-05-26 05:49:09 -0500 (Mon, 26 May 2008) | 2 lines Add xmlrpc package fixes. ........ r63695 | georg.brandl | 2008-05-26 10:14:33 -0500 (Mon, 26 May 2008) | 2 lines Add fixer entries for http package. ........ r63711 | benjamin.peterson | 2008-05-26 13:43:51 -0500 (Mon, 26 May 2008) | 2 lines add import mapping for test.test_support -> test.support ........ r63729 | benjamin.peterson | 2008-05-26 16:31:03 -0500 (Mon, 26 May 2008) | 2 lines mapping for commands module -> subprocess ........ r63769 | brett.cannon | 2008-05-29 00:13:13 -0500 (Thu, 29 May 2008) | 1 line Fixer for UserString.UserString over to the collections module. ........ r63790 | brett.cannon | 2008-05-29 14:13:51 -0500 (Thu, 29 May 2008) | 4 lines Add a fixer for UserList. Closes issue #2878. Thanks to Quentin Gallet-Gilles for the patch. ........ r63880 | collin.winter | 2008-06-01 18:09:38 -0500 (Sun, 01 Jun 2008) | 6 lines Move lib2to3/fixes/{basefix,util}.py down to lib2to3/. This is step 1 of turning lib2to3/ into a general-purpose refactoring library, reusable by other projects. ........ r63886 | collin.winter | 2008-06-01 22:15:01 -0500 (Sun, 01 Jun 2008) | 5 lines Allow refactoring tools to specify a directory for fixer modules. This is step 2 of turning lib2to3/ into a general-purpose refactoring library, reusable by other projects. Step 1: r63880. ........
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return fixer_util.is_tuple(parse(string, strip_levels=2))
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def test_valid(self):
self.failUnless(self.is_tuple("(a, b)"))
self.failUnless(self.is_tuple("(a, (b, c))"))
self.failUnless(self.is_tuple("((a, (b, c)),)"))
self.failUnless(self.is_tuple("(a,)"))
self.failUnless(self.is_tuple("()"))
def test_invalid(self):
self.failIf(self.is_tuple("(a)"))
self.failIf(self.is_tuple("('foo') % (b, c)"))
class Test_is_list(support.TestCase):
def is_list(self, string):
Merged revisions 63661,63666,63695,63711,63729,63769,63790,63880,63886 via svnmerge from svn+ssh://pythondev@svn.python.org/sandbox/trunk/2to3/lib2to3 ........ r63661 | georg.brandl | 2008-05-26 05:26:20 -0500 (Mon, 26 May 2008) | 2 lines Add import fixes for dbm package. ........ r63666 | georg.brandl | 2008-05-26 05:49:09 -0500 (Mon, 26 May 2008) | 2 lines Add xmlrpc package fixes. ........ r63695 | georg.brandl | 2008-05-26 10:14:33 -0500 (Mon, 26 May 2008) | 2 lines Add fixer entries for http package. ........ r63711 | benjamin.peterson | 2008-05-26 13:43:51 -0500 (Mon, 26 May 2008) | 2 lines add import mapping for test.test_support -> test.support ........ r63729 | benjamin.peterson | 2008-05-26 16:31:03 -0500 (Mon, 26 May 2008) | 2 lines mapping for commands module -> subprocess ........ r63769 | brett.cannon | 2008-05-29 00:13:13 -0500 (Thu, 29 May 2008) | 1 line Fixer for UserString.UserString over to the collections module. ........ r63790 | brett.cannon | 2008-05-29 14:13:51 -0500 (Thu, 29 May 2008) | 4 lines Add a fixer for UserList. Closes issue #2878. Thanks to Quentin Gallet-Gilles for the patch. ........ r63880 | collin.winter | 2008-06-01 18:09:38 -0500 (Sun, 01 Jun 2008) | 6 lines Move lib2to3/fixes/{basefix,util}.py down to lib2to3/. This is step 1 of turning lib2to3/ into a general-purpose refactoring library, reusable by other projects. ........ r63886 | collin.winter | 2008-06-01 22:15:01 -0500 (Sun, 01 Jun 2008) | 5 lines Allow refactoring tools to specify a directory for fixer modules. This is step 2 of turning lib2to3/ into a general-purpose refactoring library, reusable by other projects. Step 1: r63880. ........
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return fixer_util.is_list(parse(string, strip_levels=2))
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def test_valid(self):
self.failUnless(self.is_list("[]"))
self.failUnless(self.is_list("[a]"))
self.failUnless(self.is_list("[a, b]"))
self.failUnless(self.is_list("[a, [b, c]]"))
self.failUnless(self.is_list("[[a, [b, c]],]"))
def test_invalid(self):
self.failIf(self.is_list("[]+[]"))
class Test_Attr(MacroTestCase):
def test(self):
call = parse("foo()", strip_levels=2)
self.assertStr(Attr(Name("a"), Name("b")), "a.b")
self.assertStr(Attr(call, Name("b")), "foo().b")
def test_returns(self):
attr = Attr(Name("a"), Name("b"))
self.assertEqual(type(attr), list)
class Test_Name(MacroTestCase):
def test(self):
self.assertStr(Name("a"), "a")
self.assertStr(Name("foo.foo().bar"), "foo.foo().bar")
self.assertStr(Name("a", prefix="b"), "ba")
class Test_does_tree_import(support.TestCase):
def _find_bind_rec(self, name, node):
# Search a tree for a binding -- used to find the starting
# point for these tests.
Merged revisions 63661,63666,63695,63711,63729,63769,63790,63880,63886 via svnmerge from svn+ssh://pythondev@svn.python.org/sandbox/trunk/2to3/lib2to3 ........ r63661 | georg.brandl | 2008-05-26 05:26:20 -0500 (Mon, 26 May 2008) | 2 lines Add import fixes for dbm package. ........ r63666 | georg.brandl | 2008-05-26 05:49:09 -0500 (Mon, 26 May 2008) | 2 lines Add xmlrpc package fixes. ........ r63695 | georg.brandl | 2008-05-26 10:14:33 -0500 (Mon, 26 May 2008) | 2 lines Add fixer entries for http package. ........ r63711 | benjamin.peterson | 2008-05-26 13:43:51 -0500 (Mon, 26 May 2008) | 2 lines add import mapping for test.test_support -> test.support ........ r63729 | benjamin.peterson | 2008-05-26 16:31:03 -0500 (Mon, 26 May 2008) | 2 lines mapping for commands module -> subprocess ........ r63769 | brett.cannon | 2008-05-29 00:13:13 -0500 (Thu, 29 May 2008) | 1 line Fixer for UserString.UserString over to the collections module. ........ r63790 | brett.cannon | 2008-05-29 14:13:51 -0500 (Thu, 29 May 2008) | 4 lines Add a fixer for UserList. Closes issue #2878. Thanks to Quentin Gallet-Gilles for the patch. ........ r63880 | collin.winter | 2008-06-01 18:09:38 -0500 (Sun, 01 Jun 2008) | 6 lines Move lib2to3/fixes/{basefix,util}.py down to lib2to3/. This is step 1 of turning lib2to3/ into a general-purpose refactoring library, reusable by other projects. ........ r63886 | collin.winter | 2008-06-01 22:15:01 -0500 (Sun, 01 Jun 2008) | 5 lines Allow refactoring tools to specify a directory for fixer modules. This is step 2 of turning lib2to3/ into a general-purpose refactoring library, reusable by other projects. Step 1: r63880. ........
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c = fixer_util.find_binding(name, node)
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if c: return c
for child in node.children:
c = self._find_bind_rec(name, child)
if c: return c
def does_tree_import(self, package, name, string):
node = parse(string)
# Find the binding of start -- that's what we'll go from
node = self._find_bind_rec('start', node)
Merged revisions 63661,63666,63695,63711,63729,63769,63790,63880,63886 via svnmerge from svn+ssh://pythondev@svn.python.org/sandbox/trunk/2to3/lib2to3 ........ r63661 | georg.brandl | 2008-05-26 05:26:20 -0500 (Mon, 26 May 2008) | 2 lines Add import fixes for dbm package. ........ r63666 | georg.brandl | 2008-05-26 05:49:09 -0500 (Mon, 26 May 2008) | 2 lines Add xmlrpc package fixes. ........ r63695 | georg.brandl | 2008-05-26 10:14:33 -0500 (Mon, 26 May 2008) | 2 lines Add fixer entries for http package. ........ r63711 | benjamin.peterson | 2008-05-26 13:43:51 -0500 (Mon, 26 May 2008) | 2 lines add import mapping for test.test_support -> test.support ........ r63729 | benjamin.peterson | 2008-05-26 16:31:03 -0500 (Mon, 26 May 2008) | 2 lines mapping for commands module -> subprocess ........ r63769 | brett.cannon | 2008-05-29 00:13:13 -0500 (Thu, 29 May 2008) | 1 line Fixer for UserString.UserString over to the collections module. ........ r63790 | brett.cannon | 2008-05-29 14:13:51 -0500 (Thu, 29 May 2008) | 4 lines Add a fixer for UserList. Closes issue #2878. Thanks to Quentin Gallet-Gilles for the patch. ........ r63880 | collin.winter | 2008-06-01 18:09:38 -0500 (Sun, 01 Jun 2008) | 6 lines Move lib2to3/fixes/{basefix,util}.py down to lib2to3/. This is step 1 of turning lib2to3/ into a general-purpose refactoring library, reusable by other projects. ........ r63886 | collin.winter | 2008-06-01 22:15:01 -0500 (Sun, 01 Jun 2008) | 5 lines Allow refactoring tools to specify a directory for fixer modules. This is step 2 of turning lib2to3/ into a general-purpose refactoring library, reusable by other projects. Step 1: r63880. ........
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return fixer_util.does_tree_import(package, name, node)
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def try_with(self, string):
failing_tests = (("a", "a", "from a import b"),
("a.d", "a", "from a.d import b"),
("d.a", "a", "from d.a import b"),
(None, "a", "import b"),
(None, "a", "import b, c, d"))
for package, name, import_ in failing_tests:
n = self.does_tree_import(package, name, import_ + "\n" + string)
self.failIf(n)
n = self.does_tree_import(package, name, string + "\n" + import_)
self.failIf(n)
passing_tests = (("a", "a", "from a import a"),
("x", "a", "from x import a"),
("x", "a", "from x import b, c, a, d"),
("x.b", "a", "from x.b import a"),
("x.b", "a", "from x.b import b, c, a, d"),
(None, "a", "import a"),
(None, "a", "import b, c, a, d"))
for package, name, import_ in passing_tests:
n = self.does_tree_import(package, name, import_ + "\n" + string)
self.failUnless(n)
n = self.does_tree_import(package, name, string + "\n" + import_)
self.failUnless(n)
def test_in_function(self):
self.try_with("def foo():\n\tbar.baz()\n\tstart=3")
class Test_find_binding(support.TestCase):
def find_binding(self, name, string, package=None):
Merged revisions 63661,63666,63695,63711,63729,63769,63790,63880,63886 via svnmerge from svn+ssh://pythondev@svn.python.org/sandbox/trunk/2to3/lib2to3 ........ r63661 | georg.brandl | 2008-05-26 05:26:20 -0500 (Mon, 26 May 2008) | 2 lines Add import fixes for dbm package. ........ r63666 | georg.brandl | 2008-05-26 05:49:09 -0500 (Mon, 26 May 2008) | 2 lines Add xmlrpc package fixes. ........ r63695 | georg.brandl | 2008-05-26 10:14:33 -0500 (Mon, 26 May 2008) | 2 lines Add fixer entries for http package. ........ r63711 | benjamin.peterson | 2008-05-26 13:43:51 -0500 (Mon, 26 May 2008) | 2 lines add import mapping for test.test_support -> test.support ........ r63729 | benjamin.peterson | 2008-05-26 16:31:03 -0500 (Mon, 26 May 2008) | 2 lines mapping for commands module -> subprocess ........ r63769 | brett.cannon | 2008-05-29 00:13:13 -0500 (Thu, 29 May 2008) | 1 line Fixer for UserString.UserString over to the collections module. ........ r63790 | brett.cannon | 2008-05-29 14:13:51 -0500 (Thu, 29 May 2008) | 4 lines Add a fixer for UserList. Closes issue #2878. Thanks to Quentin Gallet-Gilles for the patch. ........ r63880 | collin.winter | 2008-06-01 18:09:38 -0500 (Sun, 01 Jun 2008) | 6 lines Move lib2to3/fixes/{basefix,util}.py down to lib2to3/. This is step 1 of turning lib2to3/ into a general-purpose refactoring library, reusable by other projects. ........ r63886 | collin.winter | 2008-06-01 22:15:01 -0500 (Sun, 01 Jun 2008) | 5 lines Allow refactoring tools to specify a directory for fixer modules. This is step 2 of turning lib2to3/ into a general-purpose refactoring library, reusable by other projects. Step 1: r63880. ........
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return fixer_util.find_binding(name, parse(string), package)
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def test_simple_assignment(self):
self.failUnless(self.find_binding("a", "a = b"))
self.failUnless(self.find_binding("a", "a = [b, c, d]"))
self.failUnless(self.find_binding("a", "a = foo()"))
self.failUnless(self.find_binding("a", "a = foo().foo.foo[6][foo]"))
self.failIf(self.find_binding("a", "foo = a"))
self.failIf(self.find_binding("a", "foo = (a, b, c)"))
def test_tuple_assignment(self):
self.failUnless(self.find_binding("a", "(a,) = b"))
self.failUnless(self.find_binding("a", "(a, b, c) = [b, c, d]"))
self.failUnless(self.find_binding("a", "(c, (d, a), b) = foo()"))
self.failUnless(self.find_binding("a", "(a, b) = foo().foo[6][foo]"))
self.failIf(self.find_binding("a", "(foo, b) = (b, a)"))
self.failIf(self.find_binding("a", "(foo, (b, c)) = (a, b, c)"))
def test_list_assignment(self):
self.failUnless(self.find_binding("a", "[a] = b"))
self.failUnless(self.find_binding("a", "[a, b, c] = [b, c, d]"))
self.failUnless(self.find_binding("a", "[c, [d, a], b] = foo()"))
self.failUnless(self.find_binding("a", "[a, b] = foo().foo[a][foo]"))
self.failIf(self.find_binding("a", "[foo, b] = (b, a)"))
self.failIf(self.find_binding("a", "[foo, [b, c]] = (a, b, c)"))
def test_invalid_assignments(self):
self.failIf(self.find_binding("a", "foo.a = 5"))
self.failIf(self.find_binding("a", "foo[a] = 5"))
self.failIf(self.find_binding("a", "foo(a) = 5"))
self.failIf(self.find_binding("a", "foo(a, b) = 5"))
def test_simple_import(self):
self.failUnless(self.find_binding("a", "import a"))
self.failUnless(self.find_binding("a", "import b, c, a, d"))
self.failIf(self.find_binding("a", "import b"))
self.failIf(self.find_binding("a", "import b, c, d"))
def test_from_import(self):
self.failUnless(self.find_binding("a", "from x import a"))
self.failUnless(self.find_binding("a", "from a import a"))
self.failUnless(self.find_binding("a", "from x import b, c, a, d"))
self.failUnless(self.find_binding("a", "from x.b import a"))
self.failUnless(self.find_binding("a", "from x.b import b, c, a, d"))
self.failIf(self.find_binding("a", "from a import b"))
self.failIf(self.find_binding("a", "from a.d import b"))
self.failIf(self.find_binding("a", "from d.a import b"))
def test_import_as(self):
self.failUnless(self.find_binding("a", "import b as a"))
self.failUnless(self.find_binding("a", "import b as a, c, a as f, d"))
self.failIf(self.find_binding("a", "import a as f"))
self.failIf(self.find_binding("a", "import b, c as f, d as e"))
def test_from_import_as(self):
self.failUnless(self.find_binding("a", "from x import b as a"))
self.failUnless(self.find_binding("a", "from x import g as a, d as b"))
self.failUnless(self.find_binding("a", "from x.b import t as a"))
self.failUnless(self.find_binding("a", "from x.b import g as a, d"))
self.failIf(self.find_binding("a", "from a import b as t"))
self.failIf(self.find_binding("a", "from a.d import b as t"))
self.failIf(self.find_binding("a", "from d.a import b as t"))
def test_simple_import_with_package(self):
self.failUnless(self.find_binding("b", "import b"))
self.failUnless(self.find_binding("b", "import b, c, d"))
self.failIf(self.find_binding("b", "import b", "b"))
self.failIf(self.find_binding("b", "import b, c, d", "c"))
def test_from_import_with_package(self):
self.failUnless(self.find_binding("a", "from x import a", "x"))
self.failUnless(self.find_binding("a", "from a import a", "a"))
self.failUnless(self.find_binding("a", "from x import *", "x"))
self.failUnless(self.find_binding("a", "from x import b, c, a, d", "x"))
self.failUnless(self.find_binding("a", "from x.b import a", "x.b"))
self.failUnless(self.find_binding("a", "from x.b import *", "x.b"))
self.failUnless(self.find_binding("a", "from x.b import b, c, a, d", "x.b"))
self.failIf(self.find_binding("a", "from a import b", "a"))
self.failIf(self.find_binding("a", "from a.d import b", "a.d"))
self.failIf(self.find_binding("a", "from d.a import b", "a.d"))
self.failIf(self.find_binding("a", "from x.y import *", "a.b"))
def test_import_as_with_package(self):
self.failIf(self.find_binding("a", "import b.c as a", "b.c"))
self.failIf(self.find_binding("a", "import a as f", "f"))
self.failIf(self.find_binding("a", "import a as f", "a"))
def test_from_import_as_with_package(self):
# Because it would take a lot of special-case code in the fixers
# to deal with from foo import bar as baz, we'll simply always
# fail if there is an "from ... import ... as ..."
self.failIf(self.find_binding("a", "from x import b as a", "x"))
self.failIf(self.find_binding("a", "from x import g as a, d as b", "x"))
self.failIf(self.find_binding("a", "from x.b import t as a", "x.b"))
self.failIf(self.find_binding("a", "from x.b import g as a, d", "x.b"))
self.failIf(self.find_binding("a", "from a import b as t", "a"))
self.failIf(self.find_binding("a", "from a import b as t", "b"))
self.failIf(self.find_binding("a", "from a import b as t", "t"))
def test_function_def(self):
self.failUnless(self.find_binding("a", "def a(): pass"))
self.failUnless(self.find_binding("a", "def a(b, c, d): pass"))
self.failUnless(self.find_binding("a", "def a(): b = 7"))
self.failIf(self.find_binding("a", "def d(b, (c, a), e): pass"))
self.failIf(self.find_binding("a", "def d(a=7): pass"))
self.failIf(self.find_binding("a", "def d(a): pass"))
self.failIf(self.find_binding("a", "def d(): a = 7"))
s = """
def d():
def a():
pass"""
self.failIf(self.find_binding("a", s))
def test_class_def(self):
self.failUnless(self.find_binding("a", "class a: pass"))
self.failUnless(self.find_binding("a", "class a(): pass"))
self.failUnless(self.find_binding("a", "class a(b): pass"))
self.failUnless(self.find_binding("a", "class a(b, c=8): pass"))
self.failIf(self.find_binding("a", "class d: pass"))
self.failIf(self.find_binding("a", "class d(a): pass"))
self.failIf(self.find_binding("a", "class d(b, a=7): pass"))
self.failIf(self.find_binding("a", "class d(b, *a): pass"))
self.failIf(self.find_binding("a", "class d(b, **a): pass"))
self.failIf(self.find_binding("a", "class d: a = 7"))
s = """
class d():
class a():
pass"""
self.failIf(self.find_binding("a", s))
def test_for(self):
self.failUnless(self.find_binding("a", "for a in r: pass"))
self.failUnless(self.find_binding("a", "for a, b in r: pass"))
self.failUnless(self.find_binding("a", "for (a, b) in r: pass"))
self.failUnless(self.find_binding("a", "for c, (a,) in r: pass"))
self.failUnless(self.find_binding("a", "for c, (a, b) in r: pass"))
self.failUnless(self.find_binding("a", "for c in r: a = c"))
self.failIf(self.find_binding("a", "for c in a: pass"))
def test_for_nested(self):
s = """
for b in r:
for a in b:
pass"""
self.failUnless(self.find_binding("a", s))
s = """
for b in r:
for a, c in b:
pass"""
self.failUnless(self.find_binding("a", s))
s = """
for b in r:
for (a, c) in b:
pass"""
self.failUnless(self.find_binding("a", s))
s = """
for b in r:
for (a,) in b:
pass"""
self.failUnless(self.find_binding("a", s))
s = """
for b in r:
for c, (a, d) in b:
pass"""
self.failUnless(self.find_binding("a", s))
s = """
for b in r:
for c in b:
a = 7"""
self.failUnless(self.find_binding("a", s))
s = """
for b in r:
for c in b:
d = a"""
self.failIf(self.find_binding("a", s))
s = """
for b in r:
for c in a:
d = 7"""
self.failIf(self.find_binding("a", s))
def test_if(self):
self.failUnless(self.find_binding("a", "if b in r: a = c"))
self.failIf(self.find_binding("a", "if a in r: d = e"))
def test_if_nested(self):
s = """
if b in r:
if c in d:
a = c"""
self.failUnless(self.find_binding("a", s))
s = """
if b in r:
if c in d:
c = a"""
self.failIf(self.find_binding("a", s))
def test_while(self):
self.failUnless(self.find_binding("a", "while b in r: a = c"))
self.failIf(self.find_binding("a", "while a in r: d = e"))
def test_while_nested(self):
s = """
while b in r:
while c in d:
a = c"""
self.failUnless(self.find_binding("a", s))
s = """
while b in r:
while c in d:
c = a"""
self.failIf(self.find_binding("a", s))
def test_try_except(self):
s = """
try:
a = 6
except:
b = 8"""
self.failUnless(self.find_binding("a", s))
s = """
try:
b = 8
except:
a = 6"""
self.failUnless(self.find_binding("a", s))
s = """
try:
b = 8
except KeyError:
pass
except:
a = 6"""
self.failUnless(self.find_binding("a", s))
s = """
try:
b = 8
except:
b = 6"""
self.failIf(self.find_binding("a", s))
def test_try_except_nested(self):
s = """
try:
try:
a = 6
except:
pass
except:
b = 8"""
self.failUnless(self.find_binding("a", s))
s = """
try:
b = 8
except:
try:
a = 6
except:
pass"""
self.failUnless(self.find_binding("a", s))
s = """
try:
b = 8
except:
try:
pass
except:
a = 6"""
self.failUnless(self.find_binding("a", s))
s = """
try:
try:
b = 8
except KeyError:
pass
except:
a = 6
except:
pass"""
self.failUnless(self.find_binding("a", s))
s = """
try:
pass
except:
try:
b = 8
except KeyError:
pass
except:
a = 6"""
self.failUnless(self.find_binding("a", s))
s = """
try:
b = 8
except:
b = 6"""
self.failIf(self.find_binding("a", s))
s = """
try:
try:
b = 8
except:
c = d
except:
try:
b = 6
except:
t = 8
except:
o = y"""
self.failIf(self.find_binding("a", s))
def test_try_except_finally(self):
s = """
try:
c = 6
except:
b = 8
finally:
a = 9"""
self.failUnless(self.find_binding("a", s))
s = """
try:
b = 8
finally:
a = 6"""
self.failUnless(self.find_binding("a", s))
s = """
try:
b = 8
finally:
b = 6"""
self.failIf(self.find_binding("a", s))
s = """
try:
b = 8
except:
b = 9
finally:
b = 6"""
self.failIf(self.find_binding("a", s))
def test_try_except_finally_nested(self):
s = """
try:
c = 6
except:
b = 8
finally:
try:
a = 9
except:
b = 9
finally:
c = 9"""
self.failUnless(self.find_binding("a", s))
s = """
try:
b = 8
finally:
try:
pass
finally:
a = 6"""
self.failUnless(self.find_binding("a", s))
s = """
try:
b = 8
finally:
try:
b = 6
finally:
b = 7"""
self.failIf(self.find_binding("a", s))
if __name__ == "__main__":
import __main__
support.run_all_tests(__main__)