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test_namedtuple_return_api.py
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test_namedtuple_return_api.py
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import os
import re
import yaml
import textwrap
import torch
from torch.testing._internal.common_utils import TestCase, run_tests
from collections import namedtuple
path = os.path.dirname(os.path.realpath(__file__))
aten_native_yaml = os.path.join(path, '../aten/src/ATen/native/native_functions.yaml')
all_operators_with_namedtuple_return = {
'max', 'min', 'median', 'nanmedian', 'mode', 'kthvalue', 'svd', 'symeig', 'eig',
'qr', 'geqrf', 'solve', 'slogdet', 'sort', 'topk', 'lstsq',
'triangular_solve', 'cummax', 'cummin', 'linalg_eigh', "unpack_dual", 'linalg_qr',
'_svd_helper', 'linalg_svd', 'linalg_slogdet', 'fake_quantize_per_tensor_affine_cachemask',
}
class TestNamedTupleAPI(TestCase):
def test_native_functions_yaml(self):
operators_found = set()
regex = re.compile(r"^(\w*)(\(|\.)")
file = open(aten_native_yaml, 'r')
for f in yaml.load(file.read()):
f = f['func']
ret = f.split('->')[1].strip()
name = regex.findall(f)[0][0]
if name in all_operators_with_namedtuple_return:
operators_found.add(name)
continue
if '_backward' in name or name.endswith('_forward'):
continue
if not ret.startswith('('):
continue
if ret == '()':
continue
ret = ret[1:-1].split(',')
for r in ret:
r = r.strip()
self.assertEqual(len(r.split()), 1,
'only allowlisted operators are allowed to have named return type, got ' + name)
file.close()
self.assertEqual(all_operators_with_namedtuple_return, operators_found, textwrap.dedent("""
Some elements in the `all_operators_with_namedtuple_return` of test_namedtuple_return_api.py
could not be found. Do you forget to update test_namedtuple_return_api.py after renaming some
operator?
"""))
def test_namedtuple_return(self):
a = torch.randn(5, 5)
op = namedtuple('op', ['operators', 'input', 'names', 'hasout'])
operators = [
op(operators=['max', 'min', 'median', 'nanmedian', 'mode', 'sort', 'topk', 'cummax', 'cummin'], input=(0,),
names=('values', 'indices'), hasout=True),
op(operators=['kthvalue'], input=(1, 0),
names=('values', 'indices'), hasout=True),
op(operators=['svd', '_svd_helper', 'linalg_svd'], input=(), names=('U', 'S', 'V'), hasout=True),
op(operators=['slogdet'], input=(), names=('sign', 'logabsdet'), hasout=False),
op(operators=['qr', 'linalg_qr'], input=(), names=('Q', 'R'), hasout=True),
op(operators=['solve'], input=(a,), names=('solution', 'LU'), hasout=True),
op(operators=['geqrf'], input=(), names=('a', 'tau'), hasout=True),
op(operators=['symeig', 'eig'], input=(True,), names=('eigenvalues', 'eigenvectors'), hasout=True),
op(operators=['triangular_solve'], input=(a,), names=('solution', 'cloned_coefficient'), hasout=True),
op(operators=['lstsq'], input=(a,), names=('solution', 'QR'), hasout=True),
op(operators=['linalg_eigh'], input=("L",), names=('eigenvalues', 'eigenvectors'), hasout=True),
op(operators=['linalg_slogdet'], input=(), names=('sign', 'logabsdet'), hasout=True),
op(operators=['fake_quantize_per_tensor_affine_cachemask'],
input=(0.1, 0, 0, 255), names=('output', 'mask',), hasout=False),
op(operators=['unpack_dual'], input=(0,), names=('primal', 'tangent'), hasout=False),
]
def get_func(f):
"Return either torch.f or torch.linalg.f, where 'f' is a string"
if f.startswith('linalg_'):
return getattr(torch.linalg, f[7:])
return getattr(torch, f, None)
def check_namedtuple(tup, names):
"Check that the namedtuple 'tup' has the given names"
for i, name in enumerate(names):
self.assertIs(getattr(tup, name), tup[i])
for op in operators:
for f in op.operators:
# 1. check the namedtuple returned by calling torch.f
func = get_func(f)
if func:
ret1 = func(a, *op.input)
check_namedtuple(ret1, op.names)
#
# 2. check the out= variant, if it exists
if func and op.hasout:
ret2 = func(a, *op.input, out=tuple(ret1))
check_namedtuple(ret2, op.names)
#
# 3. check the Tensor.f method, if it exists
meth = getattr(a, f, None)
if meth:
ret3 = meth(*op.input)
check_namedtuple(ret3, op.names)
all_covered_operators = set([x for y in operators for x in y.operators])
self.assertEqual(all_operators_with_namedtuple_return, all_covered_operators, textwrap.dedent('''
The set of covered operators does not match the `all_operators_with_namedtuple_return` of
test_namedtuple_return_api.py. Do you forget to add test for that operator?
'''))
if __name__ == '__main__':
run_tests()