test_jit_string.py

from test_jit import JitTestCase
from torch.testing._internal.common_utils import run_tests

from typing import List, Tuple

class TestScript(JitTestCase):
    def test_str_ops(self):
        def test_str_is(s: str) -> Tuple[bool, bool, bool, bool, bool, bool, bool, bool, bool, bool, bool]:
            return s.isupper(), s.islower(), s.isdigit(), s.isspace(), \
                s.isalnum(), s.isalpha(), s.isdecimal(), s.isnumeric(), \
                s.isidentifier(), s.istitle(), s.isprintable()

        def test_str_to(s: str) -> Tuple[str, str, str, str, str]:
            return s.upper(), s.lower(), s.capitalize(), s.title(), s.swapcase()

        def test_str_strip(s: str) -> Tuple[str, str, str]:
            return (
                s.lstrip(),
                s.rstrip(),
                s.strip(),
            )

        def test_str_strip_char_set(s: str, char_set: str) -> Tuple[str, str, str]:
            return (
                s.lstrip(char_set),
                s.rstrip(char_set),
                s.strip(char_set),
            )

        inputs = ["", "12a", "!B", "12", "a", "B", "aB", "$12", "B12", "AB ",
                  "  \t", "  \n", "\na", "abc", "123.3", "s a", "b12a ",
                  "more strings with spaces", "Titular Strings", "\x0acan'tprintthis",
                  "spaces at the end ", " begin"]

        def test_str_center(i: int, s: str) -> str:
            return s.center(i)

        def test_str_center_fc(i: int, s: str) -> str:
            return s.center(i, '*')

        def test_str_center_error(s: str) -> str:
            return s.center(10, '**')

        def test_ljust(s: str, i: int) -> str:
            return s.ljust(i)

        def test_ljust_fc(s: str, i: int, fc: str) -> str:
            return s.ljust(i, fc)

        def test_ljust_fc_err(s: str) -> str:
            return s.ljust(10, '**')

        def test_rjust(s: str, i: int) -> str:
            return s.rjust(i)

        def test_rjust_fc(s: str, i: int, fc: str) -> str:
            return s.rjust(i, fc)

        def test_rjust_fc_err(s: str) -> str:
            return s.rjust(10, '**')

        def test_zfill(s: str, i: int) -> str:
            return s.zfill(i)

        for input in inputs:
            self.checkScript(test_str_is, (input,))
            self.checkScript(test_str_to, (input,))
            self.checkScript(test_str_strip, (input,))
            for char_set in ["abc", "123", " ", "\t"]:
                self.checkScript(test_str_strip_char_set, (input, char_set))
            for i in range(7):
                self.checkScript(test_str_center, (i, input,))
                self.checkScript(test_str_center_fc, (i, input,))
                self.checkScript(test_ljust, (input, i))
                self.checkScript(test_ljust_fc, (input, i, '*'))
                self.checkScript(test_rjust, (input, i))
                self.checkScript(test_rjust_fc, (input, i, '*'))
                self.checkScript(test_zfill, (input, i))

        with self.assertRaises(Exception):
            test_str_center_error("error")
            test_ljust("error")

        def test_count() -> Tuple[int, int, int, int, int, int, int, int, int, int, int, int]:
            return (
                "hello".count("h"),
                "hello".count("h", 0, 1),
                "hello".count("h", -3),
                "hello".count("h", -10, 1),
                "hello".count("h", 0, -10),
                "hello".count("h", 0, 10),
                "hello".count("ell"),
                "hello".count("ell", 0, 1),
                "hello".count("ell", -3),
                "hello".count("ell", -10, 1),
                "hello".count("ell", 0, -10),
                "hello".count("ell", 0, 10)
            )
        self.checkScript(test_count, ())

        def test_endswith() -> Tuple[bool, bool, bool, bool, bool, bool, bool, bool, bool, bool, bool, bool, bool, bool]:
            return (
                "hello".endswith("lo"),
                "hello".endswith("lo", 0),
                "hello".endswith("lo", -2),
                "hello".endswith("lo", -8),
                "hello".endswith("lo", 0, -5),
                "hello".endswith("lo", -2, 3),
                "hello".endswith("lo", -8, 4),
                "hello".endswith("l"),
                "hello".endswith("l", 0),
                "hello".endswith("l", -2),
                "hello".endswith("l", -8),
                "hello".endswith("l", 0, -5),
                "hello".endswith("l", -2, 3),
                "hello".endswith("l", -8, 4)
            )
        self.checkScript(test_endswith, ())

        def test_startswith() -> Tuple[bool, bool, bool, bool, bool, bool, bool, bool, bool, bool, bool, bool, bool, bool]:
            return (
                "hello".startswith("lo"),
                "hello".startswith("lo", 0),
                "hello".startswith("lo", -2),
                "hello".startswith("lo", -8),
                "hello".startswith("lo", 0, -5),
                "hello".startswith("lo", -2, 3),
                "hello".startswith("lo", -8, 4),
                "hello".startswith("l"),
                "hello".startswith("l", 0),
                "hello".startswith("l", -2),
                "hello".startswith("l", -8),
                "hello".startswith("l", 0, -5),
                "hello".startswith("l", -2, 3),
                "hello".startswith("l", -8, 4)
            )
        self.checkScript(test_startswith, ())

        def test_expandtabs() -> Tuple[str, str, str, str, str, str]:
            return (
                'xyz\t82345\tabc'.expandtabs(),
                'xyz\t32345\tabc'.expandtabs(3),
                'xyz\t52345\tabc'.expandtabs(5),
                'xyz\t62345\tabc'.expandtabs(6),
                'xyz\t72345\tabc'.expandtabs(7),
                'xyz\t62345\tabc'.expandtabs(-5),
            )
        self.checkScript(test_expandtabs, ())

        def test_rfind() -> Tuple[int, int, int, int, int, int, int, int, int]:
            return (
                "hello123abc".rfind("llo"),
                "hello123abc".rfind("12"),
                "hello123abc".rfind("ab"),
                "hello123abc".rfind("ll", -1),
                "hello123abc".rfind("12", 4),
                "hello123abc".rfind("ab", -7),
                "hello123abc".rfind("ll", -1, 8),
                "hello123abc".rfind("12", 4, -4),
                "hello123abc".rfind("ab", -7, -20),
            )
        self.checkScript(test_rfind, ())

        def test_find() -> Tuple[int, int, int, int, int, int, int, int, int]:
            return (
                "hello123abc".find("llo"),
                "hello123abc".find("12"),
                "hello123abc".find("ab"),
                "hello123abc".find("ll", -1),
                "hello123abc".find("12", 4),
                "hello123abc".find("ab", -7),
                "hello123abc".find("ll", -1, 8),
                "hello123abc".find("12", 4, -4),
                "hello123abc".find("ab", -7, -20),
            )
        self.checkScript(test_find, ())

        def test_index() -> Tuple[int, int, int, int, int, int]:
            return (
                "hello123abc".index("llo"),
                "hello123abc".index("12"),
                "hello123abc".index("ab"),
                "hello123abc".index("12", 4),
                "hello123abc".index("ab", -7),
                "hello123abc".index("12", 4, -4),
            )
        self.checkScript(test_index, ())

        def test_rindex() -> Tuple[int, int, int, int, int, int]:
            return (
                "hello123abc".rindex("llo"),
                "hello123abc".rindex("12"),
                "hello123abc".rindex("ab"),
                "hello123abc".rindex("12", 4),
                "hello123abc".rindex("ab", -7),
                "hello123abc".rindex("12", 4, -4),
            )
        self.checkScript(test_rindex, ())

        def test_replace() -> Tuple[str, str, str, str, str, str, str]:
            return (
                "hello123abc".replace("llo", "sdf"),
                "ff".replace("f", "ff"),
                "abc123".replace("a", "testing"),
                "aaaaaa".replace("a", "testing", 3),
                "bbb".replace("a", "testing", 3),
                "ccc".replace("c", "ccc", 3),
                "cc".replace("c", "ccc", -3),
            )
        self.checkScript(test_replace, ())

        def test_partition() -> Tuple[Tuple[str, str, str], Tuple[str, str, str], Tuple[str, str, str],
                                      Tuple[str, str, str], Tuple[str, str, str], Tuple[str, str, str],
                                      Tuple[str, str, str]]:
            return (
                "hello123abc".partition("llo"),
                "ff".partition("f"),
                "abc123".partition("a"),
                "aaaaaa".partition("testing"),
                "bbb".partition("a"),
                "ccc".partition("ccc"),
                "cc".partition("ccc"),
            )
        self.checkScript(test_partition, ())

        def test_rpartition() -> Tuple[Tuple[str, str, str], Tuple[str, str, str], Tuple[str, str, str],
                                       Tuple[str, str, str], Tuple[str, str, str], Tuple[str, str, str],
                                       Tuple[str, str, str]]:
            return (
                "hello123abc".rpartition("llo"),
                "ff".rpartition("f"),
                "abc123".rpartition("a"),
                "aaaaaa".rpartition("testing"),
                "bbb".rpartition("a"),
                "ccc".rpartition("ccc"),
                "cc".rpartition("ccc"),
            )
        self.checkScript(test_rpartition, ())

        def test_split() -> Tuple[List[str], List[str], List[str], List[str], List[str],
                                  List[str], List[str], List[str], List[str], List[str], List[str]]:
            return (
                "a a a a a".split(),
                "a  a a   a a".split(),
                "   a a\ta \v a \v\f\n a \t   ".split(),
                " a a a a a ".split(" "),
                "a a a a a ".split(" ", 10),
                "a a a a a ".split(" ", -1),
                "a a a a a ".split(" ", 3),
                " a a a a a ".split("*"),
                " a*a a*a a".split("*"),
                " a*a a*a a ".split("*", -1),
                " a*a a*a a ".split("a*", 10),
            )
        self.checkScript(test_split, ())

        # test raising error for empty separator
        def test_split_empty_separator():
            s = "test"
            return s.split("")

        self.checkScriptRaisesRegex(test_split_empty_separator, (), Exception,
                                    "empty separator")

        def test_rsplit() -> Tuple[List[str], List[str], List[str], List[str], List[str],
                                   List[str], List[str], List[str], List[str]]:
            return (
                "a a a a a".rsplit(),
                " a a a a a ".rsplit(" "),
                "a a a a a ".rsplit(" ", 10),
                "a a a a a ".rsplit(" ", -1),
                "a a a a a ".rsplit(" ", 3),
                " a a a a a ".rsplit("*"),
                " a*a a*a a ".rsplit("*"),
                " a*a a*a a ".rsplit("*", -1),
                " a*a a*a a".rsplit("a*", 10),
            )
        self.checkScript(test_rsplit, ())

        def test_splitlines() -> Tuple[List[str], List[str], List[str], List[str],
                                       List[str], List[str]]:
            return (
                "hello\ntest".splitlines(),
                "hello\n\ntest\n".splitlines(),
                "hello\ntest\n\n".splitlines(),
                "hello\vtest".splitlines(),
                "hello\v\f\ntest".splitlines(),
                "hello\ftest".splitlines(),
            )
        self.checkScript(test_splitlines, ())

        def test_str_cmp(a: str, b: str) -> Tuple[bool, bool, bool, bool, bool, bool]:
            return a != b, a == b, a < b, a > b, a <= b, a >= b

        for i in range(len(inputs) - 1):
            self.checkScript(test_str_cmp, (inputs[i], inputs[i + 1]))

        def test_str_join():
            return (
                ",".join(["a"]),
                ",".join(["a", "b", "c"]),
                ",".join(["aa", "bb", "cc"]),
                ",".join(["a,a", "bb", "c,c"]),
                "**a**".join(["b", "c", "d", "e"]),
                "".join(["a", "b", "c"]),
            )
        self.checkScript(test_str_join, ())

        def test_bool_conversion(a: str):
            if a:
                return a
            else:
                return "default"

        self.checkScript(test_bool_conversion, ("nonempty",))
        self.checkScript(test_bool_conversion, ("",))

if __name__ == '__main__':
    run_tests()