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# Owner(s): ["oncall: jit"]
import os
import sys
from textwrap import dedent
import unittest
import torch
from torch.testing._internal import jit_utils
# Make the helper files in test/ importable
pytorch_test_dir = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
sys.path.append(pytorch_test_dir)
from torch.testing._internal.jit_utils import JitTestCase
if __name__ == '__main__':
raise RuntimeError("This test file is not meant to be run directly, use:\n\n"
"\tpython test/test_jit.py TESTNAME\n\n"
"instead.")
# Tests various JIT-related utility functions.
class TestJitUtils(JitTestCase):
# Tests that POSITIONAL_OR_KEYWORD arguments are captured.
def test_get_callable_argument_names_positional_or_keyword(self):
def fn_positional_or_keyword_args_only(x, y):
return x + y
self.assertEqual(
["x", "y"],
torch._jit_internal.get_callable_argument_names(fn_positional_or_keyword_args_only))
# Tests that POSITIONAL_ONLY arguments are ignored.
@unittest.skipIf(sys.version_info < (3, 8), 'POSITIONAL_ONLY arguments are not supported before 3.8')
def test_get_callable_argument_names_positional_only(self):
code = dedent('''
def fn_positional_only_arg(x, /, y):
return x + y
''')
fn_positional_only_arg = jit_utils._get_py3_code(code, 'fn_positional_only_arg')
self.assertEqual(
[],
torch._jit_internal.get_callable_argument_names(fn_positional_only_arg))
# Tests that VAR_POSITIONAL arguments are ignored.
def test_get_callable_argument_names_var_positional(self):
# Tests that VAR_POSITIONAL arguments are ignored.
def fn_var_positional_arg(x, *arg):
return x + arg[0]
self.assertEqual(
[],
torch._jit_internal.get_callable_argument_names(fn_var_positional_arg))
# Tests that KEYWORD_ONLY arguments are ignored.
def test_get_callable_argument_names_keyword_only(self):
def fn_keyword_only_arg(x, *, y):
return x + y
self.assertEqual(
[],
torch._jit_internal.get_callable_argument_names(fn_keyword_only_arg))
# Tests that VAR_KEYWORD arguments are ignored.
def test_get_callable_argument_names_var_keyword(self):
def fn_var_keyword_arg(**args):
return args['x'] + args['y']
self.assertEqual(
[],
torch._jit_internal.get_callable_argument_names(fn_var_keyword_arg))
# Tests that a function signature containing various different types of
# arguments are ignored.
@unittest.skipIf(sys.version_info < (3, 8), 'POSITIONAL_ONLY arguments are not supported before 3.8')
def test_get_callable_argument_names_hybrid(self):
code = dedent('''
def fn_hybrid_args(x, /, y, *args, **kwargs):
return x + y + args[0] + kwargs['z']
''')
fn_hybrid_args = jit_utils._get_py3_code(code, 'fn_hybrid_args')
self.assertEqual(
[],
torch._jit_internal.get_callable_argument_names(fn_hybrid_args))
def test_checkscriptassertraisesregex(self):
def fn():
tup = (1, 2)
return tup[2]
self.checkScriptRaisesRegex(fn, (), Exception, "range", name="fn")
s = dedent("""
def fn():
tup = (1, 2)
return tup[2]
""")
self.checkScriptRaisesRegex(s, (), Exception, "range", name="fn")
def test_no_tracer_warn_context_manager(self):
torch._C._jit_set_tracer_state_warn(True)
with jit_utils.NoTracerWarnContextManager() as no_warn:
self.assertEqual(
False,
torch._C._jit_get_tracer_state_warn()
)
self.assertEqual(
True,
torch._C._jit_get_tracer_state_warn()
)
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