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authorZachary Ware <zachary.ware@gmail.com>2014-07-16 19:26:09 (GMT)
committerZachary Ware <zachary.ware@gmail.com>2014-07-16 19:26:09 (GMT)
commit2b0a6102974bdcacf8b8c4d964d3f7379878100a (patch)
tree2a18ee067b685b0a7af77e1d1b2f52138a996fa4 /Tools
parent52b2bc03693d663fe1d1bdf974c23800232213dd (diff)
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Issue #21918: Convert test_tools.py to a sub-package of test.
Diffstat (limited to 'Tools')
-rw-r--r--Tools/parser/test_unparse.py276
1 files changed, 0 insertions, 276 deletions
diff --git a/Tools/parser/test_unparse.py b/Tools/parser/test_unparse.py
deleted file mode 100644
index be84400..0000000
--- a/Tools/parser/test_unparse.py
+++ /dev/null
@@ -1,276 +0,0 @@
-import unittest
-import test.support
-import io
-import os
-import random
-import tokenize
-import unparse
-import ast
-
-def read_pyfile(filename):
- """Read and return the contents of a Python source file (as a
- string), taking into account the file encoding."""
- with open(filename, "rb") as pyfile:
- encoding = tokenize.detect_encoding(pyfile.readline)[0]
- with open(filename, "r", encoding=encoding) as pyfile:
- source = pyfile.read()
- return source
-
-for_else = """\
-def f():
- for x in range(10):
- break
- else:
- y = 2
- z = 3
-"""
-
-while_else = """\
-def g():
- while True:
- break
- else:
- y = 2
- z = 3
-"""
-
-relative_import = """\
-from . import fred
-from .. import barney
-from .australia import shrimp as prawns
-"""
-
-nonlocal_ex = """\
-def f():
- x = 1
- def g():
- nonlocal x
- x = 2
- y = 7
- def h():
- nonlocal x, y
-"""
-
-# also acts as test for 'except ... as ...'
-raise_from = """\
-try:
- 1 / 0
-except ZeroDivisionError as e:
- raise ArithmeticError from e
-"""
-
-class_decorator = """\
-@f1(arg)
-@f2
-class Foo: pass
-"""
-
-elif1 = """\
-if cond1:
- suite1
-elif cond2:
- suite2
-else:
- suite3
-"""
-
-elif2 = """\
-if cond1:
- suite1
-elif cond2:
- suite2
-"""
-
-try_except_finally = """\
-try:
- suite1
-except ex1:
- suite2
-except ex2:
- suite3
-else:
- suite4
-finally:
- suite5
-"""
-
-with_simple = """\
-with f():
- suite1
-"""
-
-with_as = """\
-with f() as x:
- suite1
-"""
-
-with_two_items = """\
-with f() as x, g() as y:
- suite1
-"""
-
-class ASTTestCase(unittest.TestCase):
- def assertASTEqual(self, ast1, ast2):
- self.assertEqual(ast.dump(ast1), ast.dump(ast2))
-
- def check_roundtrip(self, code1, filename="internal"):
- ast1 = compile(code1, filename, "exec", ast.PyCF_ONLY_AST)
- unparse_buffer = io.StringIO()
- unparse.Unparser(ast1, unparse_buffer)
- code2 = unparse_buffer.getvalue()
- ast2 = compile(code2, filename, "exec", ast.PyCF_ONLY_AST)
- self.assertASTEqual(ast1, ast2)
-
-class UnparseTestCase(ASTTestCase):
- # Tests for specific bugs found in earlier versions of unparse
-
- def test_del_statement(self):
- self.check_roundtrip("del x, y, z")
-
- def test_shifts(self):
- self.check_roundtrip("45 << 2")
- self.check_roundtrip("13 >> 7")
-
- def test_for_else(self):
- self.check_roundtrip(for_else)
-
- def test_while_else(self):
- self.check_roundtrip(while_else)
-
- def test_unary_parens(self):
- self.check_roundtrip("(-1)**7")
- self.check_roundtrip("(-1.)**8")
- self.check_roundtrip("(-1j)**6")
- self.check_roundtrip("not True or False")
- self.check_roundtrip("True or not False")
-
- def test_integer_parens(self):
- self.check_roundtrip("3 .__abs__()")
-
- def test_huge_float(self):
- self.check_roundtrip("1e1000")
- self.check_roundtrip("-1e1000")
- self.check_roundtrip("1e1000j")
- self.check_roundtrip("-1e1000j")
-
- def test_min_int(self):
- self.check_roundtrip(str(-2**31))
- self.check_roundtrip(str(-2**63))
-
- def test_imaginary_literals(self):
- self.check_roundtrip("7j")
- self.check_roundtrip("-7j")
- self.check_roundtrip("0j")
- self.check_roundtrip("-0j")
-
- def test_lambda_parentheses(self):
- self.check_roundtrip("(lambda: int)()")
-
- def test_chained_comparisons(self):
- self.check_roundtrip("1 < 4 <= 5")
- self.check_roundtrip("a is b is c is not d")
-
- def test_function_arguments(self):
- self.check_roundtrip("def f(): pass")
- self.check_roundtrip("def f(a): pass")
- self.check_roundtrip("def f(b = 2): pass")
- self.check_roundtrip("def f(a, b): pass")
- self.check_roundtrip("def f(a, b = 2): pass")
- self.check_roundtrip("def f(a = 5, b = 2): pass")
- self.check_roundtrip("def f(*, a = 1, b = 2): pass")
- self.check_roundtrip("def f(*, a = 1, b): pass")
- self.check_roundtrip("def f(*, a, b = 2): pass")
- self.check_roundtrip("def f(a, b = None, *, c, **kwds): pass")
- self.check_roundtrip("def f(a=2, *args, c=5, d, **kwds): pass")
- self.check_roundtrip("def f(*args, **kwargs): pass")
-
- def test_relative_import(self):
- self.check_roundtrip(relative_import)
-
- def test_nonlocal(self):
- self.check_roundtrip(nonlocal_ex)
-
- def test_raise_from(self):
- self.check_roundtrip(raise_from)
-
- def test_bytes(self):
- self.check_roundtrip("b'123'")
-
- def test_annotations(self):
- self.check_roundtrip("def f(a : int): pass")
- self.check_roundtrip("def f(a: int = 5): pass")
- self.check_roundtrip("def f(*args: [int]): pass")
- self.check_roundtrip("def f(**kwargs: dict): pass")
- self.check_roundtrip("def f() -> None: pass")
-
- def test_set_literal(self):
- self.check_roundtrip("{'a', 'b', 'c'}")
-
- def test_set_comprehension(self):
- self.check_roundtrip("{x for x in range(5)}")
-
- def test_dict_comprehension(self):
- self.check_roundtrip("{x: x*x for x in range(10)}")
-
- def test_class_decorators(self):
- self.check_roundtrip(class_decorator)
-
- def test_class_definition(self):
- self.check_roundtrip("class A(metaclass=type, *[], **{}): pass")
-
- def test_elifs(self):
- self.check_roundtrip(elif1)
- self.check_roundtrip(elif2)
-
- def test_try_except_finally(self):
- self.check_roundtrip(try_except_finally)
-
- def test_starred_assignment(self):
- self.check_roundtrip("a, *b, c = seq")
- self.check_roundtrip("a, (*b, c) = seq")
- self.check_roundtrip("a, *b[0], c = seq")
- self.check_roundtrip("a, *(b, c) = seq")
-
- def test_with_simple(self):
- self.check_roundtrip(with_simple)
-
- def test_with_as(self):
- self.check_roundtrip(with_as)
-
- def test_with_two_items(self):
- self.check_roundtrip(with_two_items)
-
-
-class DirectoryTestCase(ASTTestCase):
- """Test roundtrip behaviour on all files in Lib and Lib/test."""
-
- # test directories, relative to the root of the distribution
- test_directories = 'Lib', os.path.join('Lib', 'test')
-
- def test_files(self):
- # get names of files to test
- dist_dir = os.path.join(os.path.dirname(__file__), os.pardir, os.pardir)
-
- names = []
- for d in self.test_directories:
- test_dir = os.path.join(dist_dir, d)
- for n in os.listdir(test_dir):
- if n.endswith('.py') and not n.startswith('bad'):
- names.append(os.path.join(test_dir, n))
-
- # Test limited subset of files unless the 'cpu' resource is specified.
- if not test.support.is_resource_enabled("cpu"):
- names = random.sample(names, 10)
-
- for filename in names:
- if test.support.verbose:
- print('Testing %s' % filename)
- source = read_pyfile(filename)
- self.check_roundtrip(source)
-
-
-def test_main():
- test.support.run_unittest(UnparseTestCase, DirectoryTestCase)
-
-if __name__ == '__main__':
- test_main()