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patchedasttest.py
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patchedasttest.py
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try:
import unittest2 as unittest
except ImportError:
import unittest
import sys
from textwrap import dedent
from rope.base import ast
from rope.base.utils import pycompat
from rope.refactor import patchedast
from ropetest import testutils
try:
basestring
except NameError:
basestring = (str, bytes)
NameConstant = "Name" if sys.version_info <= (3, 8) else "NameConstant"
Bytes = "Bytes" if (3, 0) <= sys.version_info <= (3, 8) else "Str"
class PatchedASTTest(unittest.TestCase):
def setUp(self):
super(PatchedASTTest, self).setUp()
def tearDown(self):
super(PatchedASTTest, self).tearDown()
def test_bytes_string(self):
source = '1 + b"("\n'
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
str_fragment = 'b"("'
start = source.index(str_fragment)
checker.check_region(Bytes, start, start + len(str_fragment))
checker.check_children(Bytes, [str_fragment])
def test_integer_literals_and_region(self):
source = "a = 10\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
start = source.index("10")
checker.check_region("Num", start, start + 2)
def test_negative_integer_literals_and_region(self):
source = "a = -10\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
start = source.index("-10")
end = start + 3
# Python 3 parses as UnaryOp(op=USub(), operand=Num(n=10))
if pycompat.PY3:
start += 1
checker.check_region("Num", start, end)
def test_scientific_integer_literals_and_region(self):
source = "a = -1.0e-3\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
start = source.index("-1.0e-3")
end = start + 7
# Python 3 parses as UnaryOp(op=USub(), operand=Num(n=10))
if pycompat.PY3:
start += 1
checker.check_region("Num", start, end)
def test_hex_integer_literals_and_region(self):
source = "a = 0x1\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
start = source.index("0x1")
checker.check_region("Num", start, start + 3)
@testutils.only_for_versions_lower("3")
def test_long_literals_and_region(self):
source = "a = 0x1L\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
start = source.index("0x1L")
checker.check_region("Num", start, start + 4)
def test_octal_integer_literals_and_region(self):
source = "a = -0125e1\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
start = source.index("-0125e1")
end = start + 7
# Python 3 parses as UnaryOp(op=USub(), operand=Num(n=10))
if pycompat.PY3:
start += 1
checker.check_region("Num", start, end)
def test_integer_literals_and_sorted_children(self):
source = "a = 10\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
# start = source.index('10')
checker.check_children("Num", ["10"])
def test_ellipsis(self):
source = "a[...]\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
start = source.index("...")
checker.check_region("Ellipsis", start, start + len("..."))
def test_ass_name_node(self):
source = "a = 10\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
start = source.index("a")
checker.check_region("Name", start, start + 1)
checker.check_children("Name", ["a"])
def test_assign_node(self):
source = "a = 10\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
start = source.index("a") # noqa
checker.check_region("Assign", 0, len(source) - 1)
checker.check_children("Assign", ["Name", " ", "=", " ", "Num"])
@testutils.only_for_versions_higher("3.6")
def test_ann_assign_node_without_target(self):
source = "a: List[int]\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
start = source.index("a") # noqa
checker.check_region("AnnAssign", 0, len(source) - 1)
checker.check_children("AnnAssign", ["Name", "", ":", " ", "Subscript"])
@testutils.only_for_versions_higher("3.6")
def test_ann_assign_node_with_target(self):
source = "a: int = 10\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
start = source.index("a") # noqa
checker.check_region("AnnAssign", 0, len(source) - 1)
checker.check_children(
"AnnAssign", ["Name", "", ":", " ", "Name", " ", "=", " ", "Num"]
)
def test_add_node(self):
source = "1 + 2\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("BinOp", 0, len(source) - 1)
checker.check_children("BinOp", ["Num", " ", "+", " ", "Num"])
def test_lshift_node(self):
source = "1 << 2\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("BinOp", 0, len(source) - 1)
checker.check_children("BinOp", ["Num", " ", "<<", " ", "Num"])
def test_and_node(self):
source = "True and True\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("BoolOp", 0, len(source) - 1)
checker.check_children("BoolOp", [NameConstant, " ", "and", " ", NameConstant])
def test_basic_closing_parens(self):
source = "1 + (2)\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("BinOp", 0, len(source) - 1)
checker.check_children("BinOp", ["Num", " ", "+", " (", "Num", ")"])
def test_basic_opening_parens(self):
source = "(1) + 2\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("BinOp", 0, len(source) - 1)
checker.check_children("BinOp", ["(", "Num", ") ", "+", " ", "Num"])
def test_basic_opening_biway(self):
source = "(1) + (2)\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("BinOp", 0, len(source) - 1)
checker.check_children("BinOp", ["(", "Num", ") ", "+", " (", "Num", ")"])
def test_basic_opening_double(self):
source = "1 + ((2))\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("BinOp", 0, len(source) - 1)
checker.check_children("BinOp", ["Num", " ", "+", " ((", "Num", "))"])
def test_handling_comments(self):
source = "(1 + #(\n2)\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_children("BinOp", ["Num", " ", "+", " #(\n", "Num"])
def test_handling_parens_with_spaces(self):
source = "1 + (2\n )\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_children("BinOp", ["Num", " ", "+", " (", "Num", "\n )"])
def test_handling_strings(self):
source = '1 + "("\n'
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_children("BinOp", ["Num", " ", "+", " ", "Str"])
def test_handling_implicit_string_concatenation(self):
source = "a = '1''2'"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_children("Assign", ["Name", " ", "=", " ", "Str"])
checker.check_children("Str", ["'1''2'"])
def test_handling_implicit_string_concatenation_line_breaks(self):
source = dedent("""\
a = '1' \\
'2'""")
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_children("Assign", ["Name", " ", "=", " ", "Str"])
checker.check_children("Str", ["'1' \\\n'2'"])
def test_handling_explicit_string_concatenation_line_breaks(self):
source = "a = ('1' \n'2')"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_children("Assign", ["Name", " ", "=", " (", "Str", ")"])
checker.check_children("Str", ["'1' \n'2'"])
def test_not_concatenating_strings_on_separate_lines(self):
source = dedent("""\
'1'
'2'
""")
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_children("Module", ["", "Expr", "\n", "Expr", "\n"])
def test_handling_raw_strings(self):
source = 'r"abc"\n'
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_children("Str", ['r"abc"'])
@testutils.only_for_versions_higher("3.6")
def test_handling_format_strings_basic(self):
source = '1 + f"abc{a}"\n'
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_children("JoinedStr", ['f"', "abc", "FormattedValue", "", '"'])
checker.check_children("FormattedValue", ["{", "", "Name", "", "}"])
@testutils.only_for_versions_higher("3.6")
def test_handling_format_strings_with_implicit_join(self):
source = '''"1" + rf'abc{a}' f"""xxx{b} """\n'''
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_children(
"JoinedStr",
["rf'", "abc", "FormattedValue", '\' f"""xxx', "FormattedValue", " ", '"""',],
)
checker.check_children("FormattedValue", ["{", "", "Name", "", "}"])
@testutils.only_for_versions_higher("3.6")
def test_handling_format_strings_with_format_spec(self):
source = 'f"abc{a:01}"\n'
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_children("JoinedStr", ['f"', "abc", "FormattedValue", "", '"'])
checker.check_children(
"FormattedValue", ["{", "", "Name", "", ":", "", "01", "", "}"]
)
@testutils.only_for_versions_higher("3.6")
def test_handling_format_strings_with_inner_format_spec(self):
source = 'f"abc{a:{length}01}"\n'
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_children("JoinedStr", ['f"', "abc", "FormattedValue", "", '"'])
checker.check_children(
"FormattedValue",
["{", "", "Name", "", ":", "{", "Name", "}", "01", "", "}"],
)
@testutils.only_for_versions_higher("3.6")
def test_handling_format_strings_with_expression(self):
source = 'f"abc{a + b}"\n'
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_children("JoinedStr", ['f"', "abc", "FormattedValue", "", '"'])
checker.check_children("FormattedValue", ["{", "", "BinOp", "", "}"])
@testutils.only_for_versions_lower("3")
def test_long_integer_literals(self):
source = "0x1L + a"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_children("BinOp", ["Num", " ", "+", " ", "Name"])
checker.check_children("Num", ["0x1L"])
def test_complex_number_literals(self):
source = "1.0e2j + a"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_children("BinOp", ["Num", " ", "+", " ", "Name"])
checker.check_children("Num", ["1.0e2j"])
def test_ass_attr_node(self):
source = "a.b = 1\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("Attribute", 0, source.index("=") - 1)
checker.check_children("Attribute", ["Name", "", ".", "", "b"])
def test_ass_list_node(self):
source = "[a, b] = 1, 2\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("List", 0, source.index("]") + 1)
checker.check_children("List", ["[", "", "Name", "", ",", " ", "Name", "", "]"])
def test_ass_tuple(self):
source = "a, b = range(2)\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("Tuple", 0, source.index("=") - 1)
checker.check_children("Tuple", ["Name", "", ",", " ", "Name"])
def test_ass_tuple2(self):
source = "(a, b) = range(2)\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("Tuple", 0, source.index("=") - 1)
checker.check_children(
"Tuple", ["(", "", "Name", "", ",", " ", "Name", "", ")"]
)
def test_assert(self):
source = "assert True\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("Assert", 0, len(source) - 1)
checker.check_children("Assert", ["assert", " ", NameConstant])
def test_assert2(self):
source = 'assert True, "error"\n'
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("Assert", 0, len(source) - 1)
checker.check_children(
"Assert", ["assert", " ", NameConstant, "", ",", " ", "Str"]
)
def test_aug_assign_node(self):
source = "a += 1\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
start = source.index("a") # noqa
checker.check_region("AugAssign", 0, len(source) - 1)
checker.check_children("AugAssign", ["Name", " ", "+", "", "=", " ", "Num"])
@testutils.only_for_versions_lower("3")
def test_back_quotenode(self):
source = "`1`\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("Repr", 0, len(source) - 1)
checker.check_children("Repr", ["`", "", "Num", "", "`"])
def test_bitand(self):
source = "1 & 2\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("BinOp", 0, len(source) - 1)
checker.check_children("BinOp", ["Num", " ", "&", " ", "Num"])
def test_bitor(self):
source = "1 | 2\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_children("BinOp", ["Num", " ", "|", " ", "Num"])
def test_call_func(self):
source = "f(1, 2)\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("Call", 0, len(source) - 1)
checker.check_children(
"Call", ["Name", "", "(", "", "Num", "", ",", " ", "Num", "", ")"]
)
def test_call_func_and_keywords(self):
source = "f(1, p=2)\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_children(
"Call", ["Name", "", "(", "", "Num", "", ",", " ", "keyword", "", ")"]
)
@testutils.only_for_versions_lower("3.5")
def test_call_func_and_star_args(self):
source = "f(1, *args)\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_children(
"Call", ["Name", "", "(", "", "Num", "", ",", " ", "*", "", "Name", "", ")"]
)
@testutils.only_for("3.5")
def test_call_func_and_star_argspython35(self):
source = "f(1, *args)\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_children(
"Call", ["Name", "", "(", "", "Num", "", ",", " *", "Starred", "", ")"]
)
@testutils.only_for_versions_lower("3.5")
def test_call_func_and_only_dstar_args(self):
source = "f(**kwds)\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_children("Call", ["Name", "", "(", "", "**", "", "Name", "", ")"])
@testutils.only_for("3.5")
def test_call_func_and_only_dstar_args_python35(self):
source = "f(**kwds)\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_children("Call", ["Name", "", "(", "**", "keyword", "", ")"])
@testutils.only_for_versions_lower("3.5")
def test_call_func_and_both_varargs_and_kwargs(self):
source = "f(*args, **kwds)\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_children(
"Call",
["Name", "", "(", "", "*", "", "Name", "", ",", " ", "**", "", "Name", "", ")"],
)
@testutils.only_for("3.5")
def test_call_func_and_both_varargs_and_kwargs_python35(self):
source = "f(*args, **kwds)\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_children(
"Call",
["Name", "", "(", "*", "Starred", "", ",", " **", "keyword", "", ")"],
)
def test_class_node(self):
source = dedent('''\
class A(object):
"""class docs"""
pass
''')
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("Class", 0, len(source) - 1)
checker.check_children(
"Class",
["class", " ", "A", "", "(", "", "Name", "", ")", "", ":", "\n ", "Expr", "\n ", "Pass"],
)
def test_class_with_no_bases(self):
source = dedent("""\
class A:
pass
""")
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("Class", 0, len(source) - 1)
checker.check_children("Class", ["class", " ", "A", "", ":", "\n ", "Pass"])
def test_simple_compare(self):
source = "1 < 2\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("Compare", 0, len(source) - 1)
checker.check_children("Compare", ["Num", " ", "<", " ", "Num"])
def test_multiple_compare(self):
source = "1 < 2 <= 3\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("Compare", 0, len(source) - 1)
checker.check_children(
"Compare", ["Num", " ", "<", " ", "Num", " ", "<=", " ", "Num"]
)
def test_decorators_node(self):
source = dedent("""\
@d
def f():
pass
""")
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("FunctionDef", 0, len(source) - 1)
checker.check_children(
"FunctionDef",
["@", "", "Name", "\n", "def", " ", "f", "", "(", "", "arguments", "", ")", "", ":", "\n ", "Pass"],
)
@testutils.only_for("2.6")
def test_decorators_for_classes(self):
source = dedent("""\
@d
class C(object):
pass
""")
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("ClassDef", 0, len(source) - 1)
checker.check_children(
"ClassDef",
["@", "", "Name", "\n", "class", " ", "C", "", "(", "", "Name", "", ")", "", ":", "\n ", "Pass"],
)
def test_both_varargs_and_kwargs(self):
source = dedent("""\
def f(*args, **kwds):
pass
""")
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_children(
"arguments", ["*", "", "args", "", ",", " ", "**", "", "kwds"]
)
def test_function_node(self):
source = dedent("""\
def f():
pass
""")
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("Function", 0, len(source) - 1)
checker.check_children(
"Function",
["def", " ", "f", "", "(", "", "arguments", "", ")", "", ":", "\n ", "Pass"],
)
@testutils.only_for_versions_higher("3.5")
def test_async_function_node(self):
source = dedent("""\
async def f():
pass
""")
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("AsyncFunction", 0, len(source) - 1)
checker.check_children(
"AsyncFunction",
["async", " ", "def", " ", "f", "", "(", "", "arguments", "", ")", "", ":", "\n ", "Pass"],
)
def test_function_node2(self):
source = dedent('''\
def f(p1, **p2):
"""docs"""
pass
''')
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("Function", 0, len(source) - 1)
checker.check_children(
"Function",
["def", " ", "f", "", "(", "", "arguments", "", ")", "", ":", "\n ", "Expr", "\n ", "Pass"],
)
expected_child = pycompat.ast_arg_type.__name__
checker.check_children(
"arguments", [expected_child, "", ",", " ", "**", "", "p2"]
)
@testutils.only_for_versions_lower("3")
def test_function_node_and_tuple_parameters(self):
source = dedent("""\
def f(a, (b, c)):
pass
""")
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("Function", 0, len(source) - 1)
checker.check_children(
"Function",
["def", " ", "f", "", "(", "", "arguments", "", ")", "", ":", "\n ", "Pass"],
)
checker.check_children("arguments", ["Name", "", ",", " ", "Tuple"])
def test_dict_node(self):
source = "{1: 2, 3: 4}\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("Dict", 0, len(source) - 1)
checker.check_children(
"Dict",
["{", "", "Num", "", ":", " ", "Num", "", ",", " ", "Num", "", ":", " ", "Num", "", "}"],
)
@testutils.only_for("3.5")
def test_dict_node_with_unpacking(self):
source = "{**dict1, **dict2}\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("Dict", 0, len(source) - 1)
checker.check_children(
"Dict", ["{", "", "**", "", "Name", "", ",", " ", "**", "", "Name", "", "}"]
)
def test_div_node(self):
source = "1 / 2\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("BinOp", 0, len(source) - 1)
checker.check_children("BinOp", ["Num", " ", "/", " ", "Num"])
@testutils.only_for_versions_lower("3")
def test_simple_exec_node(self):
source = 'exec ""\n'
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("Exec", 0, len(source) - 1)
checker.check_children("Exec", ["exec", "", "", " ", "Str", "", ""])
@testutils.only_for_versions_lower("3")
def test_exec_node(self):
source = 'exec "" in locals(), globals()\n'
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("Exec", 0, len(source) - 1)
checker.check_children(
"Exec",
["exec", "", "", " ", "Str", " ", "in", " ", "Call", "", ",", " ", "Call", "", ""],
)
@testutils.only_for_versions_lower("3")
def test_exec_node_with_parens(self):
source = 'exec("", locals(), globals())\n'
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("Exec", 0, len(source) - 1)
checker.check_children(
"Exec",
["exec", "", "(", "", "Str", "", ",", " ", "Call", "", ",", " ", "Call", "", ")"],
)
def test_for_node(self):
source = dedent("""\
for i in range(1):
pass
else:
pass
""")
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("For", 0, len(source) - 1)
checker.check_children(
"For",
["for", " ", "Name", " ", "in", " ", "Call", "", ":", "\n ", "Pass", "\n", "else", "", ":", "\n ", "Pass"],
)
@testutils.only_for_versions_higher("3.5")
def test_async_for_node(self):
source = dedent("""\
async def foo():
async for i in range(1):
pass
else:
pass
""")
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("AsyncFor", source.index("async for"), len(source) - 1)
checker.check_children(
"AsyncFor",
["async", " ", "for", " ", "Name", " ", "in", " ", "Call", "", ":", "\n ", "Pass", "\n ", "else", "", ":", "\n ", "Pass"],
)
@testutils.only_for_versions_higher("3.8")
def test_named_expr_node(self):
source = dedent("""\
if a := 10 == 10:
pass
""")
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
start = source.index("a")
checker.check_region("NamedExpr", start, start + 13)
checker.check_children("NamedExpr", ["Name", " ", ":=", " ", "Compare"])
def test_normal_from_node(self):
source = "from x import y\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("ImportFrom", 0, len(source) - 1)
checker.check_children(
"ImportFrom", ["from", " ", "x", " ", "import", " ", "alias"]
)
checker.check_children("alias", ["y"])
@testutils.only_for("2.5")
def test_from_node(self):
source = "from ..x import y as z\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("ImportFrom", 0, len(source) - 1)
checker.check_children(
"ImportFrom", ["from", " ", "..", "", "x", " ", "import", " ", "alias"]
)
checker.check_children("alias", ["y", " ", "as", " ", "z"])
@testutils.only_for("2.5")
def test_from_node_relative_import(self):
source = "from . import y as z\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("ImportFrom", 0, len(source) - 1)
checker.check_children(
"ImportFrom", ["from", " ", ".", "", "", " ", "import", " ", "alias"]
)
checker.check_children("alias", ["y", " ", "as", " ", "z"])
def test_simple_gen_expr_node(self):
source = "zip(i for i in x)\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("GeneratorExp", 4, len(source) - 2)
checker.check_children("GeneratorExp", ["Name", " ", "comprehension"])
checker.check_children(
"comprehension", ["for", " ", "Name", " ", "in", " ", "Name"]
)
def test_gen_expr_node_handling_surrounding_parens(self):
source = "(i for i in x)\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("GeneratorExp", 0, len(source) - 1)
checker.check_children(
"GeneratorExp", ["(", "", "Name", " ", "comprehension", "", ")"]
)
def test_gen_expr_node2(self):
source = "zip(i for i in range(1) if i == 1)\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_children(
"comprehension",
["for", " ", "Name", " ", "in", " ", "Call", " ", "if", " ", "Compare"],
)
def test_get_attr_node(self):
source = "a.b\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("Attribute", 0, len(source) - 1)
checker.check_children("Attribute", ["Name", "", ".", "", "b"])
def test_global_node(self):
source = "global a, b\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("Global", 0, len(source) - 1)
checker.check_children("Global", ["global", " ", "a", "", ",", " ", "b"])
def test_if_node(self):
source = "if True:\n pass\nelse:\n pass\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("If", 0, len(source) - 1)
checker.check_children(
"If",
["if", " ", NameConstant, "", ":", "\n ", "Pass", "\n", "else", "", ":", "\n ", "Pass"],
)
def test_if_node2(self):
source = dedent("""\
if True:
pass
elif False:
pass
""")
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("If", 0, len(source) - 1)
checker.check_children(
"If", ["if", " ", NameConstant, "", ":", "\n ", "Pass", "\n", "If"]
)
def test_if_node3(self):
source = dedent("""\
if True:
pass
else:
if True:
pass
""")
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("If", 0, len(source) - 1)
checker.check_children(
"If",
["if", " ", NameConstant, "", ":", "\n ", "Pass", "\n", "else", "", ":", "\n ", "If"],
)
def test_import_node(self):
source = "import a, b as c\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("Import", 0, len(source) - 1)
checker.check_children(
"Import", ["import", " ", "alias", "", ",", " ", "alias"]
)
def test_lambda_node(self):
source = "lambda a, b=1, *z: None\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("Lambda", 0, len(source) - 1)
checker.check_children(
"Lambda", ["lambda", " ", "arguments", "", ":", " ", NameConstant]
)
expected_child = pycompat.ast_arg_type.__name__
checker.check_children(
"arguments",
[expected_child, "", ",", " ", expected_child, "", "=", "", "Num", "", ",", " ", "*", "", "z"],
)
def test_list_node(self):
source = "[1, 2]\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("List", 0, len(source) - 1)
checker.check_children("List", ["[", "", "Num", "", ",", " ", "Num", "", "]"])
def test_list_comp_node(self):
source = "[i for i in range(1) if True]\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("ListComp", 0, len(source) - 1)
checker.check_children(
"ListComp", ["[", "", "Name", " ", "comprehension", "", "]"]
)
checker.check_children(
"comprehension",
["for", " ", "Name", " ", "in", " ", "Call", " ", "if", " ", NameConstant],
)
def test_list_comp_node_with_multiple_comprehensions(self):
source = "[i for i in range(1) for j in range(1) if True]\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("ListComp", 0, len(source) - 1)
checker.check_children(
"ListComp",
["[", "", "Name", " ", "comprehension", " ", "comprehension", "", "]"],
)
checker.check_children(
"comprehension",
["for", " ", "Name", " ", "in", " ", "Call", " ", "if", " ", NameConstant],
)
def test_set_node(self):
# make sure we are in a python version with set literals
source = "{1, 2}\n"
try:
eval(source)
except SyntaxError:
return
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("Set", 0, len(source) - 1)
checker.check_children("Set", ["{", "", "Num", "", ",", " ", "Num", "", "}"])
def test_set_comp_node(self):
# make sure we are in a python version with set comprehensions
source = "{i for i in range(1) if True}\n"
try:
eval(source)
except SyntaxError:
return
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("SetComp", 0, len(source) - 1)
checker.check_children(
"SetComp", ["{", "", "Name", " ", "comprehension", "", "}"]
)
checker.check_children(
"comprehension",
["for", " ", "Name", " ", "in", " ", "Call", " ", "if", " ", NameConstant],
)
def test_dict_comp_node(self):
# make sure we are in a python version with dict comprehensions
source = "{i:i for i in range(1) if True}\n"
try:
eval(source)
except SyntaxError:
return
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("DictComp", 0, len(source) - 1)
checker.check_children(
"DictComp",
["{", "", "Name", "", ":", "", "Name", " ", "comprehension", "", "}"],
)
checker.check_children(
"comprehension",
["for", " ", "Name", " ", "in", " ", "Call", " ", "if", " ", NameConstant],
)
def test_ext_slice_node(self):
source = "x = xs[0,:]\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
if sys.version_info >= (3, 9):
checker.check_region("Tuple", 7, len(source) - 2)
checker.check_children("Tuple", ["Num", "", ",", "", "Slice"])
else:
checker.check_region("ExtSlice", 7, len(source) - 2)
checker.check_children("ExtSlice", ["Index", "", ",", "", "Slice"])
def test_simple_module_node(self):
source = "pass\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("Module", 0, len(source))
checker.check_children("Module", ["", "Pass", "\n"])
def test_module_node(self):
source = dedent('''\
"""docs"""
pass
''')
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("Module", 0, len(source))
checker.check_children("Module", ["", "Expr", "\n", "Pass", "\n"])
checker.check_children("Str", ['"""docs"""'])
def test_not_and_or_nodes(self):
source = "not True or False\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_children("Expr", ["BoolOp"])
checker.check_children("BoolOp", ["UnaryOp", " ", "or", " ", NameConstant])
@testutils.only_for_versions_lower("3")
def test_print_node(self):
source = "print >>out, 1,\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("Print", 0, len(source) - 1)
checker.check_children(
"Print", ["print", " ", ">>", "", "Name", "", ",", " ", "Num", "", ","]
)
@testutils.only_for_versions_lower("3")
def test_printnl_node(self):
source = "print 1\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("Print", 0, len(source) - 1)
checker.check_children("Print", ["print", " ", "Num"])
@testutils.only_for_versions_lower("3")
def test_raise_node_for_python2(self):
source = "raise x, y, z\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("Raise", 0, len(source) - 1)
checker.check_children(
"Raise", ["raise", " ", "Name", "", ",", " ", "Name", "", ",", " ", "Name"]
)
# @#testutils.only_for('3')
@unittest.skipIf(sys.version < "3", "This is wrong")
def test_raise_node_for_python3(self):
source = "raise x(y)\n"
ast_frag = patchedast.get_patched_ast(source, True)
checker = _ResultChecker(self, ast_frag)
checker.check_region("Raise", 0, len(source) - 1)
checker.check_children("Raise", ["raise", " ", "Call"])
def test_return_node(self):
source = dedent("""\
def f():
return None
""")
ast_frag = patchedast.get_patched_ast(source, True)