mirror of https://github.com/python/cpython
198 lines
7.7 KiB
Python
198 lines
7.7 KiB
Python
import sys, itertools
|
|
import _ast
|
|
|
|
def to_tuple(t):
|
|
if t is None or isinstance(t, (basestring, int, int, complex)):
|
|
return t
|
|
elif isinstance(t, list):
|
|
return [to_tuple(e) for e in t]
|
|
result = [t.__class__.__name__]
|
|
if hasattr(t, 'lineno') and hasattr(t, 'col_offset'):
|
|
result.append((t.lineno, t.col_offset))
|
|
if t._fields is None:
|
|
return tuple(result)
|
|
for f in t._fields:
|
|
result.append(to_tuple(getattr(t, f)))
|
|
return tuple(result)
|
|
|
|
# These tests are compiled through "exec"
|
|
# There should be atleast one test per statement
|
|
exec_tests = [
|
|
# FunctionDef
|
|
"def f(): pass",
|
|
# ClassDef
|
|
"class C:pass",
|
|
# Return
|
|
"def f():return 1",
|
|
# Delete
|
|
"del v",
|
|
# Assign
|
|
"v = 1",
|
|
# AugAssign
|
|
"v += 1",
|
|
# For
|
|
"for v in v:pass",
|
|
# While
|
|
"while v:pass",
|
|
# If
|
|
"if v:pass",
|
|
# Raise
|
|
"raise Exception('string')",
|
|
# TryExcept
|
|
"try:\n pass\nexcept Exception:\n pass",
|
|
# TryFinally
|
|
"try:\n pass\nfinally:\n pass",
|
|
# Assert
|
|
"assert v",
|
|
# Import
|
|
"import sys",
|
|
# ImportFrom
|
|
"from sys import v",
|
|
# Global
|
|
"global v",
|
|
# Expr
|
|
"1",
|
|
# Pass,
|
|
"pass",
|
|
# Break
|
|
"break",
|
|
# Continue
|
|
"continue",
|
|
]
|
|
|
|
# These are compiled through "single"
|
|
# because of overlap with "eval", it just tests what
|
|
# can't be tested with "eval"
|
|
single_tests = [
|
|
"1+2"
|
|
]
|
|
|
|
# These are compiled through "eval"
|
|
# It should test all expressions
|
|
eval_tests = [
|
|
# BoolOp
|
|
"a and b",
|
|
# BinOp
|
|
"a + b",
|
|
# UnaryOp
|
|
"not v",
|
|
# Lambda
|
|
"lambda:None",
|
|
# Dict
|
|
"{ 1:2 }",
|
|
# ListComp
|
|
"[a for b in c if d]",
|
|
# GeneratorExp
|
|
"(a for b in c if d)",
|
|
# Yield - yield expressions can't work outside a function
|
|
#
|
|
# Compare
|
|
"1 < 2 < 3",
|
|
# Call
|
|
"f(1,2,c=3,*d,**e)",
|
|
# Num
|
|
"10",
|
|
# Str
|
|
"'string'",
|
|
# Attribute
|
|
"a.b",
|
|
# Subscript
|
|
"a[b:c]",
|
|
# Name
|
|
"v",
|
|
# List
|
|
"[1,2,3]",
|
|
# Tuple
|
|
"1,2,3",
|
|
# Combination
|
|
"a.b.c.d(a.b[1:2])",
|
|
|
|
]
|
|
|
|
# TODO: expr_context, slice, boolop, operator, unaryop, cmpop, comprehension
|
|
# excepthandler, arguments, keywords, alias
|
|
|
|
if __name__=='__main__' and sys.argv[1:] == ['-g']:
|
|
for statements, kind in ((exec_tests, "exec"), (single_tests, "single"),
|
|
(eval_tests, "eval")):
|
|
print(kind+"_results = [")
|
|
for s in statements:
|
|
print(repr(to_tuple(compile(s, "?", kind, 0x400)))+",")
|
|
print("]")
|
|
print("run_tests()")
|
|
raise SystemExit
|
|
|
|
def test_order(ast_node, parent_pos):
|
|
|
|
if not isinstance(ast_node, _ast.AST) or ast_node._fields == None:
|
|
return
|
|
if isinstance(ast_node, (_ast.expr, _ast.stmt, _ast.excepthandler)):
|
|
node_pos = (ast_node.lineno, ast_node.col_offset)
|
|
assert node_pos >= parent_pos, (node_pos, parent_pos)
|
|
parent_pos = (ast_node.lineno, ast_node.col_offset)
|
|
for name in ast_node._fields:
|
|
value = getattr(ast_node, name)
|
|
if isinstance(value, list):
|
|
for child in value:
|
|
test_order(child, parent_pos)
|
|
elif value != None:
|
|
test_order(value, parent_pos)
|
|
|
|
def run_tests():
|
|
for input, output, kind in ((exec_tests, exec_results, "exec"),
|
|
(single_tests, single_results, "single"),
|
|
(eval_tests, eval_results, "eval")):
|
|
for i, o in itertools.izip(input, output):
|
|
ast_tree = compile(i, "?", kind, 0x400)
|
|
tup = to_tuple(ast_tree)
|
|
assert tup == o, ("kind=%r\ninput=%r\nexpected=%r\ngot=%r" %
|
|
(kind, i, o, tup))
|
|
test_order(ast_tree, (0, 0))
|
|
|
|
#### EVERYTHING BELOW IS GENERATED #####
|
|
exec_results = [
|
|
('Module', [('FunctionDef', (1, 0), 'f', ('arguments', [], None, None, [], None, None, [], []), [('Pass', (1, 9))], [], None)]),
|
|
('Module', [('ClassDef', (1, 0), 'C', [], [], None, None, [('Pass', (1, 8))], [], )]),
|
|
('Module', [('FunctionDef', (1, 0), 'f', ('arguments', [], None, None, [], None, None, [], []), [('Return', (1, 8), ('Num', (1, 15), 1))], [], None)]),
|
|
('Module', [('Delete', (1, 0), [('Name', (1, 4), 'v', ('Del',))])]),
|
|
('Module', [('Assign', (1, 0), [('Name', (1, 0), 'v', ('Store',))], ('Num', (1, 4), 1))]),
|
|
('Module', [('AugAssign', (1, 0), ('Name', (1, 0), 'v', ('Store',)), ('Add',), ('Num', (1, 5), 1))]),
|
|
('Module', [('For', (1, 0), ('Name', (1, 4), 'v', ('Store',)), ('Name', (1, 9), 'v', ('Load',)), [('Pass', (1, 11))], [])]),
|
|
('Module', [('While', (1, 0), ('Name', (1, 6), 'v', ('Load',)), [('Pass', (1, 8))], [])]),
|
|
('Module', [('If', (1, 0), ('Name', (1, 3), 'v', ('Load',)), [('Pass', (1, 5))], [])]),
|
|
('Module', [('Raise', (1, 0), ('Call', (1, 6), ('Name', (1, 6), 'Exception', ('Load',)), [('Str', (1, 16), 'string')], [], None, None), None)]),
|
|
('Module', [('TryExcept', (1, 0), [('Pass', (2, 2))], [('excepthandler', (3, 0), ('Name', (3, 7), 'Exception', ('Load',)), None, [('Pass', (4, 2))], 3, 0)], [])]),
|
|
('Module', [('TryFinally', (1, 0), [('Pass', (2, 2))], [('Pass', (4, 2))])]),
|
|
('Module', [('Assert', (1, 0), ('Name', (1, 7), 'v', ('Load',)), None)]),
|
|
('Module', [('Import', (1, 0), [('alias', 'sys', None)])]),
|
|
('Module', [('ImportFrom', (1, 0), 'sys', [('alias', 'v', None)], 0)]),
|
|
('Module', [('Global', (1, 0), ['v'])]),
|
|
('Module', [('Expr', (1, 0), ('Num', (1, 0), 1))]),
|
|
('Module', [('Pass', (1, 0))]),
|
|
('Module', [('Break', (1, 0))]),
|
|
('Module', [('Continue', (1, 0))]),
|
|
]
|
|
single_results = [
|
|
('Interactive', [('Expr', (1, 0), ('BinOp', (1, 0), ('Num', (1, 0), 1), ('Add',), ('Num', (1, 2), 2)))]),
|
|
]
|
|
eval_results = [
|
|
('Expression', ('BoolOp', (1, 0), ('And',), [('Name', (1, 0), 'a', ('Load',)), ('Name', (1, 6), 'b', ('Load',))])),
|
|
('Expression', ('BinOp', (1, 0), ('Name', (1, 0), 'a', ('Load',)), ('Add',), ('Name', (1, 4), 'b', ('Load',)))),
|
|
('Expression', ('UnaryOp', (1, 0), ('Not',), ('Name', (1, 4), 'v', ('Load',)))),
|
|
('Expression', ('Lambda', (1, 0), ('arguments', [], None, None, [], None, None, [], []), ('Name', (1, 7), 'None', ('Load',)))),
|
|
('Expression', ('Dict', (1, 0), [('Num', (1, 2), 1)], [('Num', (1, 4), 2)])),
|
|
('Expression', ('ListComp', (1, 1), ('Name', (1, 1), 'a', ('Load',)), [('comprehension', ('Name', (1, 7), 'b', ('Store',)), ('Name', (1, 12), 'c', ('Load',)), [('Name', (1, 17), 'd', ('Load',))])])),
|
|
('Expression', ('GeneratorExp', (1, 1), ('Name', (1, 1), 'a', ('Load',)), [('comprehension', ('Name', (1, 7), 'b', ('Store',)), ('Name', (1, 12), 'c', ('Load',)), [('Name', (1, 17), 'd', ('Load',))])])),
|
|
('Expression', ('Compare', (1, 0), ('Num', (1, 0), 1), [('Lt',), ('Lt',)], [('Num', (1, 4), 2), ('Num', (1, 8), 3)])),
|
|
('Expression', ('Call', (1, 0), ('Name', (1, 0), 'f', ('Load',)), [('Num', (1, 2), 1), ('Num', (1, 4), 2)], [('keyword', 'c', ('Num', (1, 8), 3))], ('Name', (1, 11), 'd', ('Load',)), ('Name', (1, 15), 'e', ('Load',)))),
|
|
('Expression', ('Num', (1, 0), 10)),
|
|
('Expression', ('Str', (1, 0), 'string')),
|
|
('Expression', ('Attribute', (1, 0), ('Name', (1, 0), 'a', ('Load',)), 'b', ('Load',))),
|
|
('Expression', ('Subscript', (1, 0), ('Name', (1, 0), 'a', ('Load',)), ('Slice', ('Name', (1, 2), 'b', ('Load',)), ('Name', (1, 4), 'c', ('Load',)), None), ('Load',))),
|
|
('Expression', ('Name', (1, 0), 'v', ('Load',))),
|
|
('Expression', ('List', (1, 0), [('Num', (1, 1), 1), ('Num', (1, 3), 2), ('Num', (1, 5), 3)], ('Load',))),
|
|
('Expression', ('Tuple', (1, 0), [('Num', (1, 0), 1), ('Num', (1, 2), 2), ('Num', (1, 4), 3)], ('Load',))),
|
|
('Expression', ('Call', (1, 0), ('Attribute', (1, 0), ('Attribute', (1, 0), ('Attribute', (1, 0), ('Name', (1, 0), 'a', ('Load',)), 'b', ('Load',)), 'c', ('Load',)), 'd', ('Load',)), [('Subscript', (1, 8), ('Attribute', (1, 8), ('Name', (1, 8), 'a', ('Load',)), 'b', ('Load',)), ('Slice', ('Num', (1, 12), 1), ('Num', (1, 14), 2), None), ('Load',))], [], None, None)),
|
|
]
|
|
run_tests()
|