+++ /dev/null
-""" Test suite for the code in fixer_util """\r
-\r
-# Testing imports\r
-from . import support\r
-\r
-# Python imports\r
-import os.path\r
-\r
-# Local imports\r
-from lib2to3.pytree import Node, Leaf\r
-from lib2to3 import fixer_util\r
-from lib2to3.fixer_util import Attr, Name, Call, Comma\r
-from lib2to3.pgen2 import token\r
-\r
-def parse(code, strip_levels=0):\r
- # The topmost node is file_input, which we don't care about.\r
- # The next-topmost node is a *_stmt node, which we also don't care about\r
- tree = support.parse_string(code)\r
- for i in range(strip_levels):\r
- tree = tree.children[0]\r
- tree.parent = None\r
- return tree\r
-\r
-class MacroTestCase(support.TestCase):\r
- def assertStr(self, node, string):\r
- if isinstance(node, (tuple, list)):\r
- node = Node(fixer_util.syms.simple_stmt, node)\r
- self.assertEqual(str(node), string)\r
-\r
-\r
-class Test_is_tuple(support.TestCase):\r
- def is_tuple(self, string):\r
- return fixer_util.is_tuple(parse(string, strip_levels=2))\r
-\r
- def test_valid(self):\r
- self.assertTrue(self.is_tuple("(a, b)"))\r
- self.assertTrue(self.is_tuple("(a, (b, c))"))\r
- self.assertTrue(self.is_tuple("((a, (b, c)),)"))\r
- self.assertTrue(self.is_tuple("(a,)"))\r
- self.assertTrue(self.is_tuple("()"))\r
-\r
- def test_invalid(self):\r
- self.assertFalse(self.is_tuple("(a)"))\r
- self.assertFalse(self.is_tuple("('foo') % (b, c)"))\r
-\r
-\r
-class Test_is_list(support.TestCase):\r
- def is_list(self, string):\r
- return fixer_util.is_list(parse(string, strip_levels=2))\r
-\r
- def test_valid(self):\r
- self.assertTrue(self.is_list("[]"))\r
- self.assertTrue(self.is_list("[a]"))\r
- self.assertTrue(self.is_list("[a, b]"))\r
- self.assertTrue(self.is_list("[a, [b, c]]"))\r
- self.assertTrue(self.is_list("[[a, [b, c]],]"))\r
-\r
- def test_invalid(self):\r
- self.assertFalse(self.is_list("[]+[]"))\r
-\r
-\r
-class Test_Attr(MacroTestCase):\r
- def test(self):\r
- call = parse("foo()", strip_levels=2)\r
-\r
- self.assertStr(Attr(Name("a"), Name("b")), "a.b")\r
- self.assertStr(Attr(call, Name("b")), "foo().b")\r
-\r
- def test_returns(self):\r
- attr = Attr(Name("a"), Name("b"))\r
- self.assertEqual(type(attr), list)\r
-\r
-\r
-class Test_Name(MacroTestCase):\r
- def test(self):\r
- self.assertStr(Name("a"), "a")\r
- self.assertStr(Name("foo.foo().bar"), "foo.foo().bar")\r
- self.assertStr(Name("a", prefix="b"), "ba")\r
-\r
-\r
-class Test_Call(MacroTestCase):\r
- def _Call(self, name, args=None, prefix=None):\r
- """Help the next test"""\r
- children = []\r
- if isinstance(args, list):\r
- for arg in args:\r
- children.append(arg)\r
- children.append(Comma())\r
- children.pop()\r
- return Call(Name(name), children, prefix)\r
-\r
- def test(self):\r
- kids = [None,\r
- [Leaf(token.NUMBER, 1), Leaf(token.NUMBER, 2),\r
- Leaf(token.NUMBER, 3)],\r
- [Leaf(token.NUMBER, 1), Leaf(token.NUMBER, 3),\r
- Leaf(token.NUMBER, 2), Leaf(token.NUMBER, 4)],\r
- [Leaf(token.STRING, "b"), Leaf(token.STRING, "j", prefix=" ")]\r
- ]\r
- self.assertStr(self._Call("A"), "A()")\r
- self.assertStr(self._Call("b", kids[1]), "b(1,2,3)")\r
- self.assertStr(self._Call("a.b().c", kids[2]), "a.b().c(1,3,2,4)")\r
- self.assertStr(self._Call("d", kids[3], prefix=" "), " d(b, j)")\r
-\r
-\r
-class Test_does_tree_import(support.TestCase):\r
- def _find_bind_rec(self, name, node):\r
- # Search a tree for a binding -- used to find the starting\r
- # point for these tests.\r
- c = fixer_util.find_binding(name, node)\r
- if c: return c\r
- for child in node.children:\r
- c = self._find_bind_rec(name, child)\r
- if c: return c\r
-\r
- def does_tree_import(self, package, name, string):\r
- node = parse(string)\r
- # Find the binding of start -- that's what we'll go from\r
- node = self._find_bind_rec('start', node)\r
- return fixer_util.does_tree_import(package, name, node)\r
-\r
- def try_with(self, string):\r
- failing_tests = (("a", "a", "from a import b"),\r
- ("a.d", "a", "from a.d import b"),\r
- ("d.a", "a", "from d.a import b"),\r
- (None, "a", "import b"),\r
- (None, "a", "import b, c, d"))\r
- for package, name, import_ in failing_tests:\r
- n = self.does_tree_import(package, name, import_ + "\n" + string)\r
- self.assertFalse(n)\r
- n = self.does_tree_import(package, name, string + "\n" + import_)\r
- self.assertFalse(n)\r
-\r
- passing_tests = (("a", "a", "from a import a"),\r
- ("x", "a", "from x import a"),\r
- ("x", "a", "from x import b, c, a, d"),\r
- ("x.b", "a", "from x.b import a"),\r
- ("x.b", "a", "from x.b import b, c, a, d"),\r
- (None, "a", "import a"),\r
- (None, "a", "import b, c, a, d"))\r
- for package, name, import_ in passing_tests:\r
- n = self.does_tree_import(package, name, import_ + "\n" + string)\r
- self.assertTrue(n)\r
- n = self.does_tree_import(package, name, string + "\n" + import_)\r
- self.assertTrue(n)\r
-\r
- def test_in_function(self):\r
- self.try_with("def foo():\n\tbar.baz()\n\tstart=3")\r
-\r
-class Test_find_binding(support.TestCase):\r
- def find_binding(self, name, string, package=None):\r
- return fixer_util.find_binding(name, parse(string), package)\r
-\r
- def test_simple_assignment(self):\r
- self.assertTrue(self.find_binding("a", "a = b"))\r
- self.assertTrue(self.find_binding("a", "a = [b, c, d]"))\r
- self.assertTrue(self.find_binding("a", "a = foo()"))\r
- self.assertTrue(self.find_binding("a", "a = foo().foo.foo[6][foo]"))\r
- self.assertFalse(self.find_binding("a", "foo = a"))\r
- self.assertFalse(self.find_binding("a", "foo = (a, b, c)"))\r
-\r
- def test_tuple_assignment(self):\r
- self.assertTrue(self.find_binding("a", "(a,) = b"))\r
- self.assertTrue(self.find_binding("a", "(a, b, c) = [b, c, d]"))\r
- self.assertTrue(self.find_binding("a", "(c, (d, a), b) = foo()"))\r
- self.assertTrue(self.find_binding("a", "(a, b) = foo().foo[6][foo]"))\r
- self.assertFalse(self.find_binding("a", "(foo, b) = (b, a)"))\r
- self.assertFalse(self.find_binding("a", "(foo, (b, c)) = (a, b, c)"))\r
-\r
- def test_list_assignment(self):\r
- self.assertTrue(self.find_binding("a", "[a] = b"))\r
- self.assertTrue(self.find_binding("a", "[a, b, c] = [b, c, d]"))\r
- self.assertTrue(self.find_binding("a", "[c, [d, a], b] = foo()"))\r
- self.assertTrue(self.find_binding("a", "[a, b] = foo().foo[a][foo]"))\r
- self.assertFalse(self.find_binding("a", "[foo, b] = (b, a)"))\r
- self.assertFalse(self.find_binding("a", "[foo, [b, c]] = (a, b, c)"))\r
-\r
- def test_invalid_assignments(self):\r
- self.assertFalse(self.find_binding("a", "foo.a = 5"))\r
- self.assertFalse(self.find_binding("a", "foo[a] = 5"))\r
- self.assertFalse(self.find_binding("a", "foo(a) = 5"))\r
- self.assertFalse(self.find_binding("a", "foo(a, b) = 5"))\r
-\r
- def test_simple_import(self):\r
- self.assertTrue(self.find_binding("a", "import a"))\r
- self.assertTrue(self.find_binding("a", "import b, c, a, d"))\r
- self.assertFalse(self.find_binding("a", "import b"))\r
- self.assertFalse(self.find_binding("a", "import b, c, d"))\r
-\r
- def test_from_import(self):\r
- self.assertTrue(self.find_binding("a", "from x import a"))\r
- self.assertTrue(self.find_binding("a", "from a import a"))\r
- self.assertTrue(self.find_binding("a", "from x import b, c, a, d"))\r
- self.assertTrue(self.find_binding("a", "from x.b import a"))\r
- self.assertTrue(self.find_binding("a", "from x.b import b, c, a, d"))\r
- self.assertFalse(self.find_binding("a", "from a import b"))\r
- self.assertFalse(self.find_binding("a", "from a.d import b"))\r
- self.assertFalse(self.find_binding("a", "from d.a import b"))\r
-\r
- def test_import_as(self):\r
- self.assertTrue(self.find_binding("a", "import b as a"))\r
- self.assertTrue(self.find_binding("a", "import b as a, c, a as f, d"))\r
- self.assertFalse(self.find_binding("a", "import a as f"))\r
- self.assertFalse(self.find_binding("a", "import b, c as f, d as e"))\r
-\r
- def test_from_import_as(self):\r
- self.assertTrue(self.find_binding("a", "from x import b as a"))\r
- self.assertTrue(self.find_binding("a", "from x import g as a, d as b"))\r
- self.assertTrue(self.find_binding("a", "from x.b import t as a"))\r
- self.assertTrue(self.find_binding("a", "from x.b import g as a, d"))\r
- self.assertFalse(self.find_binding("a", "from a import b as t"))\r
- self.assertFalse(self.find_binding("a", "from a.d import b as t"))\r
- self.assertFalse(self.find_binding("a", "from d.a import b as t"))\r
-\r
- def test_simple_import_with_package(self):\r
- self.assertTrue(self.find_binding("b", "import b"))\r
- self.assertTrue(self.find_binding("b", "import b, c, d"))\r
- self.assertFalse(self.find_binding("b", "import b", "b"))\r
- self.assertFalse(self.find_binding("b", "import b, c, d", "c"))\r
-\r
- def test_from_import_with_package(self):\r
- self.assertTrue(self.find_binding("a", "from x import a", "x"))\r
- self.assertTrue(self.find_binding("a", "from a import a", "a"))\r
- self.assertTrue(self.find_binding("a", "from x import *", "x"))\r
- self.assertTrue(self.find_binding("a", "from x import b, c, a, d", "x"))\r
- self.assertTrue(self.find_binding("a", "from x.b import a", "x.b"))\r
- self.assertTrue(self.find_binding("a", "from x.b import *", "x.b"))\r
- self.assertTrue(self.find_binding("a", "from x.b import b, c, a, d", "x.b"))\r
- self.assertFalse(self.find_binding("a", "from a import b", "a"))\r
- self.assertFalse(self.find_binding("a", "from a.d import b", "a.d"))\r
- self.assertFalse(self.find_binding("a", "from d.a import b", "a.d"))\r
- self.assertFalse(self.find_binding("a", "from x.y import *", "a.b"))\r
-\r
- def test_import_as_with_package(self):\r
- self.assertFalse(self.find_binding("a", "import b.c as a", "b.c"))\r
- self.assertFalse(self.find_binding("a", "import a as f", "f"))\r
- self.assertFalse(self.find_binding("a", "import a as f", "a"))\r
-\r
- def test_from_import_as_with_package(self):\r
- # Because it would take a lot of special-case code in the fixers\r
- # to deal with from foo import bar as baz, we'll simply always\r
- # fail if there is an "from ... import ... as ..."\r
- self.assertFalse(self.find_binding("a", "from x import b as a", "x"))\r
- self.assertFalse(self.find_binding("a", "from x import g as a, d as b", "x"))\r
- self.assertFalse(self.find_binding("a", "from x.b import t as a", "x.b"))\r
- self.assertFalse(self.find_binding("a", "from x.b import g as a, d", "x.b"))\r
- self.assertFalse(self.find_binding("a", "from a import b as t", "a"))\r
- self.assertFalse(self.find_binding("a", "from a import b as t", "b"))\r
- self.assertFalse(self.find_binding("a", "from a import b as t", "t"))\r
-\r
- def test_function_def(self):\r
- self.assertTrue(self.find_binding("a", "def a(): pass"))\r
- self.assertTrue(self.find_binding("a", "def a(b, c, d): pass"))\r
- self.assertTrue(self.find_binding("a", "def a(): b = 7"))\r
- self.assertFalse(self.find_binding("a", "def d(b, (c, a), e): pass"))\r
- self.assertFalse(self.find_binding("a", "def d(a=7): pass"))\r
- self.assertFalse(self.find_binding("a", "def d(a): pass"))\r
- self.assertFalse(self.find_binding("a", "def d(): a = 7"))\r
-\r
- s = """\r
- def d():\r
- def a():\r
- pass"""\r
- self.assertFalse(self.find_binding("a", s))\r
-\r
- def test_class_def(self):\r
- self.assertTrue(self.find_binding("a", "class a: pass"))\r
- self.assertTrue(self.find_binding("a", "class a(): pass"))\r
- self.assertTrue(self.find_binding("a", "class a(b): pass"))\r
- self.assertTrue(self.find_binding("a", "class a(b, c=8): pass"))\r
- self.assertFalse(self.find_binding("a", "class d: pass"))\r
- self.assertFalse(self.find_binding("a", "class d(a): pass"))\r
- self.assertFalse(self.find_binding("a", "class d(b, a=7): pass"))\r
- self.assertFalse(self.find_binding("a", "class d(b, *a): pass"))\r
- self.assertFalse(self.find_binding("a", "class d(b, **a): pass"))\r
- self.assertFalse(self.find_binding("a", "class d: a = 7"))\r
-\r
- s = """\r
- class d():\r
- class a():\r
- pass"""\r
- self.assertFalse(self.find_binding("a", s))\r
-\r
- def test_for(self):\r
- self.assertTrue(self.find_binding("a", "for a in r: pass"))\r
- self.assertTrue(self.find_binding("a", "for a, b in r: pass"))\r
- self.assertTrue(self.find_binding("a", "for (a, b) in r: pass"))\r
- self.assertTrue(self.find_binding("a", "for c, (a,) in r: pass"))\r
- self.assertTrue(self.find_binding("a", "for c, (a, b) in r: pass"))\r
- self.assertTrue(self.find_binding("a", "for c in r: a = c"))\r
- self.assertFalse(self.find_binding("a", "for c in a: pass"))\r
-\r
- def test_for_nested(self):\r
- s = """\r
- for b in r:\r
- for a in b:\r
- pass"""\r
- self.assertTrue(self.find_binding("a", s))\r
-\r
- s = """\r
- for b in r:\r
- for a, c in b:\r
- pass"""\r
- self.assertTrue(self.find_binding("a", s))\r
-\r
- s = """\r
- for b in r:\r
- for (a, c) in b:\r
- pass"""\r
- self.assertTrue(self.find_binding("a", s))\r
-\r
- s = """\r
- for b in r:\r
- for (a,) in b:\r
- pass"""\r
- self.assertTrue(self.find_binding("a", s))\r
-\r
- s = """\r
- for b in r:\r
- for c, (a, d) in b:\r
- pass"""\r
- self.assertTrue(self.find_binding("a", s))\r
-\r
- s = """\r
- for b in r:\r
- for c in b:\r
- a = 7"""\r
- self.assertTrue(self.find_binding("a", s))\r
-\r
- s = """\r
- for b in r:\r
- for c in b:\r
- d = a"""\r
- self.assertFalse(self.find_binding("a", s))\r
-\r
- s = """\r
- for b in r:\r
- for c in a:\r
- d = 7"""\r
- self.assertFalse(self.find_binding("a", s))\r
-\r
- def test_if(self):\r
- self.assertTrue(self.find_binding("a", "if b in r: a = c"))\r
- self.assertFalse(self.find_binding("a", "if a in r: d = e"))\r
-\r
- def test_if_nested(self):\r
- s = """\r
- if b in r:\r
- if c in d:\r
- a = c"""\r
- self.assertTrue(self.find_binding("a", s))\r
-\r
- s = """\r
- if b in r:\r
- if c in d:\r
- c = a"""\r
- self.assertFalse(self.find_binding("a", s))\r
-\r
- def test_while(self):\r
- self.assertTrue(self.find_binding("a", "while b in r: a = c"))\r
- self.assertFalse(self.find_binding("a", "while a in r: d = e"))\r
-\r
- def test_while_nested(self):\r
- s = """\r
- while b in r:\r
- while c in d:\r
- a = c"""\r
- self.assertTrue(self.find_binding("a", s))\r
-\r
- s = """\r
- while b in r:\r
- while c in d:\r
- c = a"""\r
- self.assertFalse(self.find_binding("a", s))\r
-\r
- def test_try_except(self):\r
- s = """\r
- try:\r
- a = 6\r
- except:\r
- b = 8"""\r
- self.assertTrue(self.find_binding("a", s))\r
-\r
- s = """\r
- try:\r
- b = 8\r
- except:\r
- a = 6"""\r
- self.assertTrue(self.find_binding("a", s))\r
-\r
- s = """\r
- try:\r
- b = 8\r
- except KeyError:\r
- pass\r
- except:\r
- a = 6"""\r
- self.assertTrue(self.find_binding("a", s))\r
-\r
- s = """\r
- try:\r
- b = 8\r
- except:\r
- b = 6"""\r
- self.assertFalse(self.find_binding("a", s))\r
-\r
- def test_try_except_nested(self):\r
- s = """\r
- try:\r
- try:\r
- a = 6\r
- except:\r
- pass\r
- except:\r
- b = 8"""\r
- self.assertTrue(self.find_binding("a", s))\r
-\r
- s = """\r
- try:\r
- b = 8\r
- except:\r
- try:\r
- a = 6\r
- except:\r
- pass"""\r
- self.assertTrue(self.find_binding("a", s))\r
-\r
- s = """\r
- try:\r
- b = 8\r
- except:\r
- try:\r
- pass\r
- except:\r
- a = 6"""\r
- self.assertTrue(self.find_binding("a", s))\r
-\r
- s = """\r
- try:\r
- try:\r
- b = 8\r
- except KeyError:\r
- pass\r
- except:\r
- a = 6\r
- except:\r
- pass"""\r
- self.assertTrue(self.find_binding("a", s))\r
-\r
- s = """\r
- try:\r
- pass\r
- except:\r
- try:\r
- b = 8\r
- except KeyError:\r
- pass\r
- except:\r
- a = 6"""\r
- self.assertTrue(self.find_binding("a", s))\r
-\r
- s = """\r
- try:\r
- b = 8\r
- except:\r
- b = 6"""\r
- self.assertFalse(self.find_binding("a", s))\r
-\r
- s = """\r
- try:\r
- try:\r
- b = 8\r
- except:\r
- c = d\r
- except:\r
- try:\r
- b = 6\r
- except:\r
- t = 8\r
- except:\r
- o = y"""\r
- self.assertFalse(self.find_binding("a", s))\r
-\r
- def test_try_except_finally(self):\r
- s = """\r
- try:\r
- c = 6\r
- except:\r
- b = 8\r
- finally:\r
- a = 9"""\r
- self.assertTrue(self.find_binding("a", s))\r
-\r
- s = """\r
- try:\r
- b = 8\r
- finally:\r
- a = 6"""\r
- self.assertTrue(self.find_binding("a", s))\r
-\r
- s = """\r
- try:\r
- b = 8\r
- finally:\r
- b = 6"""\r
- self.assertFalse(self.find_binding("a", s))\r
-\r
- s = """\r
- try:\r
- b = 8\r
- except:\r
- b = 9\r
- finally:\r
- b = 6"""\r
- self.assertFalse(self.find_binding("a", s))\r
-\r
- def test_try_except_finally_nested(self):\r
- s = """\r
- try:\r
- c = 6\r
- except:\r
- b = 8\r
- finally:\r
- try:\r
- a = 9\r
- except:\r
- b = 9\r
- finally:\r
- c = 9"""\r
- self.assertTrue(self.find_binding("a", s))\r
-\r
- s = """\r
- try:\r
- b = 8\r
- finally:\r
- try:\r
- pass\r
- finally:\r
- a = 6"""\r
- self.assertTrue(self.find_binding("a", s))\r
-\r
- s = """\r
- try:\r
- b = 8\r
- finally:\r
- try:\r
- b = 6\r
- finally:\r
- b = 7"""\r
- self.assertFalse(self.find_binding("a", s))\r
-\r
-class Test_touch_import(support.TestCase):\r
-\r
- def test_after_docstring(self):\r
- node = parse('"""foo"""\nbar()')\r
- fixer_util.touch_import(None, "foo", node)\r
- self.assertEqual(str(node), '"""foo"""\nimport foo\nbar()\n\n')\r
-\r
- def test_after_imports(self):\r
- node = parse('"""foo"""\nimport bar\nbar()')\r
- fixer_util.touch_import(None, "foo", node)\r
- self.assertEqual(str(node), '"""foo"""\nimport bar\nimport foo\nbar()\n\n')\r
-\r
- def test_beginning(self):\r
- node = parse('bar()')\r
- fixer_util.touch_import(None, "foo", node)\r
- self.assertEqual(str(node), 'import foo\nbar()\n\n')\r
-\r
- def test_from_import(self):\r
- node = parse('bar()')\r
- fixer_util.touch_import("html", "escape", node)\r
- self.assertEqual(str(node), 'from html import escape\nbar()\n\n')\r
-\r
- def test_name_import(self):\r
- node = parse('bar()')\r
- fixer_util.touch_import(None, "cgi", node)\r
- self.assertEqual(str(node), 'import cgi\nbar()\n\n')\r
-\r
-class Test_find_indentation(support.TestCase):\r
-\r
- def test_nothing(self):\r
- fi = fixer_util.find_indentation\r
- node = parse("node()")\r
- self.assertEqual(fi(node), u"")\r
- node = parse("")\r
- self.assertEqual(fi(node), u"")\r
-\r
- def test_simple(self):\r
- fi = fixer_util.find_indentation\r
- node = parse("def f():\n x()")\r
- self.assertEqual(fi(node), u"")\r
- self.assertEqual(fi(node.children[0].children[4].children[2]), u" ")\r
- node = parse("def f():\n x()\n y()")\r
- self.assertEqual(fi(node.children[0].children[4].children[4]), u" ")\r
projects / mirror_edk2.git / blobdiff