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# Owner(s): ["oncall: jit"]
import os
import sys
import torch
from typing import List
# 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.")
class TestStringFormatting(JitTestCase):
def test_modulo_operator(self):
def fn(dividend: int, divisor: int) -> int:
return dividend % divisor
self.checkScript(fn, (5, 2))
def test_string_interpolation_with_string_placeholder_and_string_variable(self):
def fn(arg1: str):
return "%s in template" % arg1
self.checkScript(fn, ("foo",))
def test_string_interpolation_with_string_placeholder_and_format_string_variable(self):
def fn(arg1: str):
return arg1 % "foo"
self.checkScript(fn, ("%s in template",))
def test_string_interpolation_with_double_percent_in_string(self):
def fn(arg1: str):
return "%s in template %%" % arg1
self.checkScript(fn, ("foo",))
def test_string_interpolation_with_percent_in_string(self):
@torch.jit.script
def fn(arg1: str) -> str:
return "%s in template %" % arg1 # noqa: F501
with self.assertRaisesRegexWithHighlight(RuntimeError,
"Incomplete format specifier",
"\"%s in template %\" % arg1"):
fn("foo")
def test_string_interpolation_with_string_placeholder_and_digit_variable(self):
def fn(arg1: int) -> str:
return "%s in template" % arg1
self.checkScript(fn, (1,))
def test_string_interpolation_with_digit_placeholder_and_digit_variable(self):
def fn(arg1: int) -> str:
return "%d in template" % arg1
self.checkScript(fn, (1,))
def test_string_interpolation_with_alternate_digit_placeholder(self):
def fn(arg1: int) -> str:
return "%i in template" % arg1
self.checkScript(fn, (1,))
def test_string_interpolation_with_digit_placeholder_and_string_variable(self):
@torch.jit.script
def fn(arg1: str) -> str:
return "%d in template" % arg1
with self.assertRaisesRegexWithHighlight(RuntimeError,
"%d requires a number for formatting, but got String",
"\"%d in template\" % arg1"):
fn("1")
def test_string_interpolation_with_exponent_placeholder_and_string_variable(self):
@torch.jit.script
def fn(arg1: str) -> str:
return "%e in template" % arg1
with self.assertRaisesRegexWithHighlight(RuntimeError,
"%e requires a number for formatting, but got String",
"\"%e in template\" % arg1"):
fn("1")
def test_string_interpolation_with_lowercase_exponent_placeholder_and_digit_variable(self):
def fn(arg1: int) -> str:
return "%e in template" % arg1
self.checkScript(fn, (1,))
def test_string_interpolation_with_capital_exponent_placeholder_and_digit_variable(self):
def fn(arg1: int) -> str:
return "%E in template" % arg1
self.checkScript(fn, (1,))
def test_string_interpolation_with_float_placeholder_and_float_variable(self):
def fn(arg1: float) -> str:
return "%f in template" % arg1
self.checkScript(fn, (1.0,))
def test_string_interpolation_with_float_placeholder_and_digit_variable(self):
def fn(arg1: int) -> str:
return "%f in template" % arg1
self.checkScript(fn, (1,))
def test_string_interpolation_with_char_placeholder_and_char_variable(self):
def fn(arg1: str) -> str:
return "%c in template" % arg1
self.checkScript(fn, ("a",))
def test_string_interpolation_with_char_placeholder_and_digit_variable(self):
def fn(arg1: int) -> str:
return "%c in template" % arg1
self.checkScript(fn, (97,))
def test_string_interpolation_with_char_placeholder_and_true_string_variable(self):
@torch.jit.script
def fn(arg1: str) -> str:
return "%c in template" % arg1
with self.assertRaisesRegexWithHighlight(RuntimeError,
"%c requires an int or char for formatting, but got String",
"\"%c in template\" % arg1"):
fn("foo")
def test_string_interpolation_with_multiple_placeholders(self):
def fn(arg1: str, arg2: int, arg3: float) -> str:
return "%s %d %f in template" % (arg1, arg2, arg3)
self.checkScript(fn, ("foo", 1, 1))
def test_string_interpolation_with_subscript(self):
def fn(arg1: List[str]) -> str:
return "%s in template" % arg1[0]
self.checkScript(fn, (["foo", "bar"],))
def test_string_interpolation_with_too_few_arguments(self):
@torch.jit.script
def fn(arg1: str) -> str:
return "%s %s in template" % arg1
with self.assertRaisesRegexWithHighlight(RuntimeError,
"Too few arguments for format string",
"\"%s %s in template\" % arg1"):
fn("foo")
def test_string_interpolation_with_too_many_arguments(self):
@torch.jit.script
def fn(arg1: str, arg2: str) -> str:
return "%s in template" % (arg1, arg2) # noqa: F507
with self.assertRaisesRegexWithHighlight(RuntimeError,
"Too many arguments for format string",
"\"%s in template\" % (arg1, arg2"):
fn("foo", "bar")
def test_string_interpolation_with_unknown_format_specifier(self):
@torch.jit.script
def fn(arg1: str) -> str:
return "%a in template" % arg1 # noqa: F501
with self.assertRaisesRegexWithHighlight(RuntimeError,
"The specifier %a is not supported in TorchScript format strings",
"\"%a in template\" % arg1"):
fn("foo")
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