| # Tests of Starlark 'string' |
| # option:set |
| |
| load("assert.star", "assert") |
| |
| # raw string literals: |
| assert.eq(r"a\bc", "a\\bc") |
| |
| # truth |
| assert.true("abc") |
| assert.true(chr(0)) |
| assert.true(not "") |
| |
| # str + str |
| assert.eq("a" + "b" + "c", "abc") |
| |
| # str * int, int * str |
| assert.eq("abc" * 0, "") |
| assert.eq("abc" * -1, "") |
| assert.eq("abc" * 1, "abc") |
| assert.eq("abc" * 5, "abcabcabcabcabc") |
| assert.eq(0 * "abc", "") |
| assert.eq(-1 * "abc", "") |
| assert.eq(1 * "abc", "abc") |
| assert.eq(5 * "abc", "abcabcabcabcabc") |
| assert.fails(lambda: 1.0 * "abc", "unknown.*float \\* str") |
| assert.fails(lambda: "abc" * (1000000 * 1000000), "repeat count 1000000000000 too large") |
| assert.fails(lambda: "abc" * 1000000 * 1000000, "excessive repeat \\(3000000 \\* 1000000 elements") |
| |
| # len |
| assert.eq(len("Hello, 世界!"), 14) |
| assert.eq(len("𐐷"), 4) # U+10437 has a 4-byte UTF-8 encoding (and a 2-code UTF-16 encoding) |
| |
| # chr & ord |
| assert.eq(chr(65), "A") # 1-byte UTF-8 encoding |
| assert.eq(chr(1049), "Й") # 2-byte UTF-8 encoding |
| assert.eq(chr(0x1F63F), "😿") # 4-byte UTF-8 encoding |
| assert.fails(lambda: chr(-1), "Unicode code point -1 out of range \\(<0\\)") |
| assert.fails(lambda: chr(0x110000), "Unicode code point U\\+110000 out of range \\(>0x10FFFF\\)") |
| assert.eq(ord("A"), 0x41) |
| assert.eq(ord("Й"), 0x419) |
| assert.eq(ord("世"), 0x4e16) |
| assert.eq(ord("😿"), 0x1F63F) |
| assert.eq(ord("Й"[1:]), 0xFFFD) # = Unicode replacement character |
| assert.fails(lambda: ord("abc"), "string encodes 3 Unicode code points, want 1") |
| assert.fails(lambda: ord(""), "string encodes 0 Unicode code points, want 1") |
| assert.fails(lambda: ord("😿"[1:]), "string encodes 3 Unicode code points, want 1") # 3 x 0xFFFD |
| |
| # string.codepoint_ords |
| assert.eq(type("abcЙ😿".codepoint_ords()), "string.codepoints") |
| assert.eq(str("abcЙ😿".codepoint_ords()), '"abcЙ😿".codepoint_ords()') |
| assert.eq(list("abcЙ😿".codepoint_ords()), [97, 98, 99, 1049, 128575]) |
| assert.eq(list(("A" + "😿Z"[1:]).codepoint_ords()), [ord("A"), 0xFFFD, 0xFFFD, 0xFFFD, ord("Z")]) |
| assert.eq(list("".codepoint_ords()), []) |
| assert.fails(lambda: "abcЙ😿".codepoint_ords()[2], "unhandled index") # not indexable |
| assert.fails(lambda: len("abcЙ😿".codepoint_ords()), "no len") # unknown length |
| |
| # string.codepoints |
| assert.eq(type("abcЙ😿".codepoints()), "string.codepoints") |
| assert.eq(str("abcЙ😿".codepoints()), '"abcЙ😿".codepoints()') |
| assert.eq(list("abcЙ😿".codepoints()), ["a", "b", "c", "Й", "😿"]) |
| assert.eq(list(("A" + "😿Z"[1:]).codepoints()), ["A", "�", "�", "�", "Z"]) |
| assert.eq(list("".codepoints()), []) |
| assert.fails(lambda: "abcЙ😿".codepoints()[2], "unhandled index") # not indexable |
| assert.fails(lambda: len("abcЙ😿".codepoints()), "no len") # unknown length |
| |
| # string.elem_ords |
| assert.eq(type("abcЙ😿".elem_ords()), "string.elems") |
| assert.eq(str("abcЙ😿".elem_ords()), '"abcЙ😿".elem_ords()') |
| assert.eq(list("abcЙ😿".elem_ords()), [97, 98, 99, 208, 153, 240, 159, 152, 191]) |
| assert.eq(list(("A" + "😿Z"[1:]).elem_ords()), [65, 159, 152, 191, 90]) |
| assert.eq(list("".elem_ords()), []) |
| assert.eq("abcЙ😿".elem_ords()[2], 99) # indexable |
| assert.eq(len("abcЙ😿".elem_ords()), 9) # known length |
| |
| # string.elems (1-byte substrings, which are invalid text) |
| assert.eq(type("abcЙ😿".elems()), "string.elems") |
| assert.eq(str("abcЙ😿".elems()), '"abcЙ😿".elems()') |
| assert.eq( |
| repr(list("abcЙ😿".elems())), |
| r'["a", "b", "c", "\xd0", "\x99", "\xf0", "\x9f", "\x98", "\xbf"]', |
| ) |
| assert.eq( |
| repr(list(("A" + "😿Z"[1:]).elems())), |
| r'["A", "\x9f", "\x98", "\xbf", "Z"]', |
| ) |
| assert.eq(list("".elems()), []) |
| assert.eq("abcЙ😿".elems()[2], "c") # indexable |
| assert.eq(len("abcЙ😿".elems()), 9) # known length |
| |
| # indexing, x[i] |
| assert.eq("Hello, 世界!"[0], "H") |
| assert.eq(repr("Hello, 世界!"[7]), r'"\xe4"') # (invalid text) |
| assert.eq("Hello, 世界!"[13], "!") |
| assert.fails(lambda: "abc"[-4], "out of range") |
| assert.eq("abc"[-3], "a") |
| assert.eq("abc"[-2], "b") |
| assert.eq("abc"[-1], "c") |
| assert.eq("abc"[0], "a") |
| assert.eq("abc"[1], "b") |
| assert.eq("abc"[2], "c") |
| assert.fails(lambda: "abc"[4], "out of range") |
| |
| # x[i] = ... |
| def f(): |
| "abc"[1] = "B" |
| |
| assert.fails(f, "string.*does not support.*assignment") |
| |
| # slicing, x[i:j] |
| assert.eq("abc"[:], "abc") |
| assert.eq("abc"[-4:], "abc") |
| assert.eq("abc"[-3:], "abc") |
| assert.eq("abc"[-2:], "bc") |
| assert.eq("abc"[-1:], "c") |
| assert.eq("abc"[0:], "abc") |
| assert.eq("abc"[1:], "bc") |
| assert.eq("abc"[2:], "c") |
| assert.eq("abc"[3:], "") |
| assert.eq("abc"[4:], "") |
| assert.eq("abc"[:-4], "") |
| assert.eq("abc"[:-3], "") |
| assert.eq("abc"[:-2], "a") |
| assert.eq("abc"[:-1], "ab") |
| assert.eq("abc"[:0], "") |
| assert.eq("abc"[:1], "a") |
| assert.eq("abc"[:2], "ab") |
| assert.eq("abc"[:3], "abc") |
| assert.eq("abc"[:4], "abc") |
| assert.eq("abc"[1:2], "b") |
| assert.eq("abc"[2:1], "") |
| assert.eq(repr("😿"[:1]), r'"\xf0"') # (invalid text) |
| |
| # non-unit strides |
| assert.eq("abcd"[0:4:1], "abcd") |
| assert.eq("abcd"[::2], "ac") |
| assert.eq("abcd"[1::2], "bd") |
| assert.eq("abcd"[4:0:-1], "dcb") |
| assert.eq("banana"[7::-2], "aaa") |
| assert.eq("banana"[6::-2], "aaa") |
| assert.eq("banana"[5::-2], "aaa") |
| assert.eq("banana"[4::-2], "nnb") |
| assert.eq("banana"[::-1], "ananab") |
| assert.eq("banana"[None:None:-2], "aaa") |
| assert.fails(lambda: "banana"[1.0::], "invalid start index: got float, want int") |
| assert.fails(lambda: "banana"[:"":], "invalid end index: got string, want int") |
| assert.fails(lambda: "banana"[:"":True], "invalid slice step: got bool, want int") |
| |
| # in, not in |
| assert.true("oo" in "food") |
| assert.true("ox" not in "food") |
| assert.true("" in "food") |
| assert.true("" in "") |
| assert.fails(lambda: 1 in "", "requires string as left operand") |
| assert.fails(lambda: "" in 1, "unknown binary op: string in int") |
| |
| # ==, != |
| assert.eq("hello", "he" + "llo") |
| assert.ne("hello", "Hello") |
| |
| # hash must follow java.lang.String.hashCode. |
| wanthash = { |
| "": 0, |
| "\0" * 100: 0, |
| "hello": 99162322, |
| "world": 113318802, |
| "Hello, 世界!": 417292677, |
| } |
| gothash = {s: hash(s) for s in wanthash} |
| assert.eq(gothash, wanthash) |
| |
| # TODO(adonovan): ordered comparisons |
| |
| # string % tuple formatting |
| assert.eq("A" % (), "A") |
| assert.eq("A %d %x Z" % (123, 456), "A 123 1c8 Z") |
| assert.eq("A" % {'unused': 123}, "A") |
| assert.eq("A %(foo)d %(bar)s Z" % {"foo": 123, "bar": "hi"}, "A 123 hi Z") |
| assert.eq("%s %r" % ("hi", "hi"), 'hi "hi"') # TODO(adonovan): use ''-quotation |
| assert.eq("%%d %d" % 1, "%d 1") |
| assert.fails(lambda: "%d %d" % 1, "not enough arguments for format string") |
| assert.fails(lambda: "%d %d" % (1, 2, 3), "too many arguments for format string") |
| assert.fails(lambda: "" % 1, "too many arguments for format string") |
| |
| # %c |
| assert.eq("%c" % 65, "A") |
| assert.eq("%c" % 0x3b1, "α") |
| assert.eq("%c" % "A", "A") |
| assert.eq("%c" % "α", "α") |
| assert.fails(lambda: "%c" % "abc", "requires a single-character string") |
| assert.fails(lambda: "%c" % "", "requires a single-character string") |
| assert.fails(lambda: "%c" % 65.0, "requires int or single-character string") |
| assert.fails(lambda: "%c" % 10000000, "requires a valid Unicode code point") |
| assert.fails(lambda: "%c" % -1, "requires a valid Unicode code point") |
| # TODO(adonovan): more tests |
| |
| # str.format |
| assert.eq("a{}b".format(123), "a123b") |
| assert.eq("a{}b{}c{}d{}".format(1, 2, 3, 4), "a1b2c3d4") |
| assert.eq("a{{b".format(), "a{b") |
| assert.eq("a}}b".format(), "a}b") |
| assert.eq("a{{b}}c".format(), "a{b}c") |
| assert.eq("a{x}b{y}c{}".format(1, x = 2, y = 3), "a2b3c1") |
| assert.fails(lambda: "a{z}b".format(x = 1), "keyword z not found") |
| assert.fails(lambda: "{-1}".format(1), "keyword -1 not found") |
| assert.fails(lambda: "{-0}".format(1), "keyword -0 not found") |
| assert.fails(lambda: "{+0}".format(1), "keyword \\+0 not found") |
| assert.fails(lambda: "{+1}".format(1), "keyword \\+1 not found") # starlark-go/issues/114 |
| assert.eq("{0000000000001}".format(0, 1), "1") |
| assert.eq("{012}".format(*range(100)), "12") # decimal, despite leading zeros |
| assert.fails(lambda: "{0,1} and {1}".format(1, 2), "keyword 0,1 not found") |
| assert.fails(lambda: "a{123}b".format(), "tuple index out of range") |
| assert.fails(lambda: "a{}b{}c".format(1), "tuple index out of range") |
| assert.eq("a{010}b".format(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10), "a10b") # index is decimal |
| assert.fails(lambda: "a{}b{1}c".format(1, 2), "cannot switch from automatic field numbering to manual") |
| assert.eq("a{!s}c".format("b"), "abc") |
| assert.eq("a{!r}c".format("b"), r'a"b"c') |
| assert.eq("a{x!r}c".format(x = "b"), r'a"b"c') |
| assert.fails(lambda: "{x!}".format(x = 1), "unknown conversion") |
| assert.fails(lambda: "{x!:}".format(x = 1), "unknown conversion") |
| assert.fails(lambda: "{a.b}".format(1), "syntax x.y is not supported") |
| assert.fails(lambda: "{a[0]}".format(1), "syntax a\\[i\\] is not supported") |
| assert.fails(lambda: "{ {} }".format(1), "nested replacement fields not supported") |
| assert.fails(lambda: "{{}".format(1), "single '}' in format") |
| assert.fails(lambda: "{}}".format(1), "single '}' in format") |
| assert.fails(lambda: "}}{".format(1), "unmatched '{' in format") |
| assert.fails(lambda: "}{{".format(1), "single '}' in format") |
| |
| # str.split, str.rsplit |
| assert.eq("a.b.c.d".split("."), ["a", "b", "c", "d"]) |
| assert.eq("a.b.c.d".rsplit("."), ["a", "b", "c", "d"]) |
| assert.eq("a.b.c.d".split(".", -1), ["a", "b", "c", "d"]) |
| assert.eq("a.b.c.d".rsplit(".", -1), ["a", "b", "c", "d"]) |
| assert.eq("a.b.c.d".split(".", 0), ["a.b.c.d"]) |
| assert.eq("a.b.c.d".rsplit(".", 0), ["a.b.c.d"]) |
| assert.eq("a.b.c.d".split(".", 1), ["a", "b.c.d"]) |
| assert.eq("a.b.c.d".rsplit(".", 1), ["a.b.c", "d"]) |
| assert.eq("a.b.c.d".split(".", 2), ["a", "b", "c.d"]) |
| assert.eq("a.b.c.d".rsplit(".", 2), ["a.b", "c", "d"]) |
| assert.eq(" ".split("."), [" "]) |
| assert.eq(" ".rsplit("."), [" "]) |
| |
| # {,r}split on white space: |
| assert.eq(" a bc\n def \t ghi".split(), ["a", "bc", "def", "ghi"]) |
| assert.eq(" a bc\n def \t ghi".split(None), ["a", "bc", "def", "ghi"]) |
| assert.eq(" a bc\n def \t ghi".split(None, 0), ["a bc\n def \t ghi"]) |
| assert.eq(" a bc\n def \t ghi".rsplit(None, 0), [" a bc\n def \t ghi"]) |
| assert.eq(" a bc\n def \t ghi".split(None, 1), ["a", "bc\n def \t ghi"]) |
| assert.eq(" a bc\n def \t ghi".rsplit(None, 1), [" a bc\n def", "ghi"]) |
| assert.eq(" a bc\n def \t ghi".split(None, 2), ["a", "bc", "def \t ghi"]) |
| assert.eq(" a bc\n def \t ghi".rsplit(None, 2), [" a bc", "def", "ghi"]) |
| assert.eq(" a bc\n def \t ghi".split(None, 3), ["a", "bc", "def", "ghi"]) |
| assert.eq(" a bc\n def \t ghi".rsplit(None, 3), [" a", "bc", "def", "ghi"]) |
| assert.eq(" a bc\n def \t ghi".split(None, 4), ["a", "bc", "def", "ghi"]) |
| assert.eq(" a bc\n def \t ghi".rsplit(None, 4), ["a", "bc", "def", "ghi"]) |
| assert.eq(" a bc\n def \t ghi".rsplit(None, 5), ["a", "bc", "def", "ghi"]) |
| |
| assert.eq(" a bc\n def \t ghi ".split(None, 0), ["a bc\n def \t ghi "]) |
| assert.eq(" a bc\n def \t ghi ".rsplit(None, 0), [" a bc\n def \t ghi"]) |
| assert.eq(" a bc\n def \t ghi ".split(None, 1), ["a", "bc\n def \t ghi "]) |
| assert.eq(" a bc\n def \t ghi ".rsplit(None, 1), [" a bc\n def", "ghi"]) |
| |
| # Observe the algorithmic difference when splitting on spaces versus other delimiters. |
| assert.eq("--aa--bb--cc--".split("-", 0), ["--aa--bb--cc--"]) # contrast this |
| assert.eq(" aa bb cc ".split(None, 0), ["aa bb cc "]) # with this |
| assert.eq("--aa--bb--cc--".rsplit("-", 0), ["--aa--bb--cc--"]) # ditto this |
| assert.eq(" aa bb cc ".rsplit(None, 0), [" aa bb cc"]) # and this |
| |
| # |
| assert.eq("--aa--bb--cc--".split("-", 1), ["", "-aa--bb--cc--"]) |
| assert.eq("--aa--bb--cc--".rsplit("-", 1), ["--aa--bb--cc-", ""]) |
| assert.eq(" aa bb cc ".split(None, 1), ["aa", "bb cc "]) |
| assert.eq(" aa bb cc ".rsplit(None, 1), [" aa bb", "cc"]) |
| |
| # |
| assert.eq("--aa--bb--cc--".split("-", -1), ["", "", "aa", "", "bb", "", "cc", "", ""]) |
| assert.eq("--aa--bb--cc--".rsplit("-", -1), ["", "", "aa", "", "bb", "", "cc", "", ""]) |
| assert.eq(" aa bb cc ".split(None, -1), ["aa", "bb", "cc"]) |
| assert.eq(" aa bb cc ".rsplit(None, -1), ["aa", "bb", "cc"]) |
| assert.eq(" ".split(None), []) |
| assert.eq(" ".rsplit(None), []) |
| |
| assert.eq("localhost:80".rsplit(":", 1)[-1], "80") |
| |
| # str.splitlines |
| assert.eq("\nabc\ndef".splitlines(), ["", "abc", "def"]) |
| assert.eq("\nabc\ndef".splitlines(True), ["\n", "abc\n", "def"]) |
| assert.eq("\nabc\ndef\n".splitlines(), ["", "abc", "def"]) |
| assert.eq("\nabc\ndef\n".splitlines(True), ["\n", "abc\n", "def\n"]) |
| assert.eq("".splitlines(), []) # |
| assert.eq("".splitlines(True), []) # |
| assert.eq("a".splitlines(), ["a"]) |
| assert.eq("a".splitlines(True), ["a"]) |
| assert.eq("\n".splitlines(), [""]) |
| assert.eq("\n".splitlines(True), ["\n"]) |
| assert.eq("a\n".splitlines(), ["a"]) |
| assert.eq("a\n".splitlines(True), ["a\n"]) |
| assert.eq("a\n\nb".splitlines(), ["a", "", "b"]) |
| assert.eq("a\n\nb".splitlines(True), ["a\n", "\n", "b"]) |
| assert.eq("a\nb\nc".splitlines(), ["a", "b", "c"]) |
| assert.eq("a\nb\nc".splitlines(True), ["a\n", "b\n", "c"]) |
| assert.eq("a\nb\nc\n".splitlines(), ["a", "b", "c"]) |
| assert.eq("a\nb\nc\n".splitlines(True), ["a\n", "b\n", "c\n"]) |
| |
| # str.{,l,r}strip |
| assert.eq(" \tfoo\n ".strip(), "foo") |
| assert.eq(" \tfoo\n ".lstrip(), "foo\n ") |
| assert.eq(" \tfoo\n ".rstrip(), " \tfoo") |
| assert.eq(" \tfoo\n ".strip(""), "foo") |
| assert.eq(" \tfoo\n ".lstrip(""), "foo\n ") |
| assert.eq(" \tfoo\n ".rstrip(""), " \tfoo") |
| assert.eq("blah.h".strip("b.h"), "la") |
| assert.eq("blah.h".lstrip("b.h"), "lah.h") |
| assert.eq("blah.h".rstrip("b.h"), "bla") |
| |
| # str.count |
| assert.eq("banana".count("a"), 3) |
| assert.eq("banana".count("a", 2), 2) |
| assert.eq("banana".count("a", -4, -2), 1) |
| assert.eq("banana".count("a", 1, 4), 2) |
| assert.eq("banana".count("a", 0, -100), 0) |
| |
| # str.{starts,ends}with |
| assert.true("foo".endswith("oo")) |
| assert.true(not "foo".endswith("x")) |
| assert.true("foo".startswith("fo")) |
| assert.true(not "foo".startswith("x")) |
| assert.fails(lambda: "foo".startswith(1), "got int.*want string") |
| |
| # |
| assert.true("abc".startswith(("a", "A"))) |
| assert.true("ABC".startswith(("a", "A"))) |
| assert.true(not "ABC".startswith(("b", "B"))) |
| assert.fails(lambda: "123".startswith((1, 2)), "got int, for element 0") |
| assert.fails(lambda: "123".startswith(["3"]), "got list") |
| |
| # |
| assert.true("abc".endswith(("c", "C"))) |
| assert.true("ABC".endswith(("c", "C"))) |
| assert.true(not "ABC".endswith(("b", "B"))) |
| assert.fails(lambda: "123".endswith((1, 2)), "got int, for element 0") |
| assert.fails(lambda: "123".endswith(["3"]), "got list") |
| |
| # start/end |
| assert.true("abc".startswith("bc", 1)) |
| assert.true(not "abc".startswith("b", 999)) |
| assert.true("abc".endswith("ab", None, -1)) |
| assert.true(not "abc".endswith("b", None, -999)) |
| |
| # str.replace |
| assert.eq("banana".replace("a", "o", 1), "bonana") |
| assert.eq("banana".replace("a", "o"), "bonono") |
| # TODO(adonovan): more tests |
| |
| # str.{,r}find |
| assert.eq("foofoo".find("oo"), 1) |
| assert.eq("foofoo".find("ox"), -1) |
| assert.eq("foofoo".find("oo", 2), 4) |
| assert.eq("foofoo".rfind("oo"), 4) |
| assert.eq("foofoo".rfind("ox"), -1) |
| assert.eq("foofoo".rfind("oo", 1, 4), 1) |
| assert.eq("foofoo".find(""), 0) |
| assert.eq("foofoo".rfind(""), 6) |
| |
| # str.{,r}partition |
| assert.eq("foo/bar/wiz".partition("/"), ("foo", "/", "bar/wiz")) |
| assert.eq("foo/bar/wiz".rpartition("/"), ("foo/bar", "/", "wiz")) |
| assert.eq("foo/bar/wiz".partition("."), ("foo/bar/wiz", "", "")) |
| assert.eq("foo/bar/wiz".rpartition("."), ("", "", "foo/bar/wiz")) |
| assert.fails(lambda: "foo/bar/wiz".partition(""), "empty separator") |
| assert.fails(lambda: "foo/bar/wiz".rpartition(""), "empty separator") |
| |
| assert.eq("?".join(["foo", "a/b/c.go".rpartition("/")[0]]), "foo?a/b") |
| |
| # str.is{alpha,...} |
| def test_predicates(): |
| predicates = ["alnum", "alpha", "digit", "lower", "space", "title", "upper"] |
| table = { |
| "Hello, World!": "title", |
| "hello, world!": "lower", |
| "base64": "alnum lower", |
| "HAL-9000": "upper", |
| "Catch-22": "title", |
| "": "", |
| "\n\t\r": "space", |
| "abc": "alnum alpha lower", |
| "ABC": "alnum alpha upper", |
| "123": "alnum digit", |
| "DŽLJ": "alnum alpha upper", |
| "DžLj": "alnum alpha", |
| "Dž Lj": "title", |
| "džlj": "alnum alpha lower", |
| } |
| for str, want in table.items(): |
| got = " ".join([name for name in predicates if getattr(str, "is" + name)()]) |
| if got != want: |
| assert.fail("%r matched [%s], want [%s]" % (str, got, want)) |
| |
| test_predicates() |
| |
| # Strings are not iterable. |
| # ok |
| assert.eq(len("abc"), 3) # len |
| assert.true("a" in "abc") # str in str |
| assert.eq("abc"[1], "b") # indexing |
| |
| # not ok |
| def for_string(): |
| for x in "abc": |
| pass |
| |
| def args(*args): |
| return args |
| |
| assert.fails(lambda: args(*"abc"), "must be iterable, not string") # varargs |
| assert.fails(lambda: list("abc"), "got string, want iterable") # list(str) |
| assert.fails(lambda: tuple("abc"), "got string, want iterable") # tuple(str) |
| assert.fails(lambda: set("abc"), "got string, want iterable") # set(str) |
| assert.fails(lambda: set() | "abc", "unknown binary op: set | string") # set union |
| assert.fails(lambda: enumerate("ab"), "got string, want iterable") # enumerate |
| assert.fails(lambda: sorted("abc"), "got string, want iterable") # sorted |
| assert.fails(lambda: [].extend("bc"), "got string, want iterable") # list.extend |
| assert.fails(lambda: ",".join("abc"), "got string, want iterable") # string.join |
| assert.fails(lambda: dict(["ab"]), "not iterable .*string") # dict |
| assert.fails(for_string, "string value is not iterable") # for loop |
| assert.fails(lambda: [x for x in "abc"], "string value is not iterable") # comprehension |
| assert.fails(lambda: all("abc"), "got string, want iterable") # all |
| assert.fails(lambda: any("abc"), "got string, want iterable") # any |
| assert.fails(lambda: reversed("abc"), "got string, want iterable") # reversed |
| assert.fails(lambda: zip("ab", "cd"), "not iterable: string") # zip |
| |
| # str.join |
| assert.eq(",".join([]), "") |
| assert.eq(",".join(["a"]), "a") |
| assert.eq(",".join(["a", "b"]), "a,b") |
| assert.eq(",".join(["a", "b", "c"]), "a,b,c") |
| assert.eq(",".join(("a", "b", "c")), "a,b,c") |
| assert.eq("".join(("a", "b", "c")), "abc") |
| assert.fails(lambda: "".join(None), "got NoneType, want iterable") |
| assert.fails(lambda: "".join(["one", 2]), "join: in list, want string, got int") |
| |
| # TODO(adonovan): tests for: {,r}index |
| |
| # str.capitalize |
| assert.eq("hElLo, WoRlD!".capitalize(), "Hello, world!") |
| assert.eq("por qué".capitalize(), "Por qué") |
| assert.eq("¿Por qué?".capitalize(), "¿por qué?") |
| |
| # str.lower |
| assert.eq("hElLo, WoRlD!".lower(), "hello, world!") |
| assert.eq("por qué".lower(), "por qué") |
| assert.eq("¿Por qué?".lower(), "¿por qué?") |
| assert.eq("LJUBOVIĆ".lower(), "ljubović") |
| assert.true("dženan ljubović".islower()) |
| |
| # str.upper |
| assert.eq("hElLo, WoRlD!".upper(), "HELLO, WORLD!") |
| assert.eq("por qué".upper(), "POR QUÉ") |
| assert.eq("¿Por qué?".upper(), "¿POR QUÉ?") |
| assert.eq("ljubović".upper(), "LJUBOVIĆ") |
| assert.true("DŽENAN LJUBOVIĆ".isupper()) |
| |
| # str.title |
| assert.eq("hElLo, WoRlD!".title(), "Hello, World!") |
| assert.eq("por qué".title(), "Por Qué") |
| assert.eq("¿Por qué?".title(), "¿Por Qué?") |
| assert.eq("ljubović".title(), "Ljubović") |
| assert.true("Dženan Ljubović".istitle()) |
| assert.true(not "DŽenan LJubović".istitle()) |
| |
| # method spell check |
| assert.fails(lambda: "".starts_with, "no .starts_with field.*did you mean .startswith") |
| assert.fails(lambda: "".StartsWith, "no .StartsWith field.*did you mean .startswith") |
| assert.fails(lambda: "".fin, "no .fin field.*.did you mean .find") |
| |
| |
| # removesuffix |
| assert.eq("Apricot".removesuffix("cot"), "Apri") |
| assert.eq("Apricot".removesuffix("Cot"), "Apricot") |
| assert.eq("Apricot".removesuffix("t"), "Aprico") |
| assert.eq("a".removesuffix(""), "a") |
| assert.eq("".removesuffix(""), "") |
| assert.eq("".removesuffix("a"), "") |
| assert.eq("Apricot".removesuffix("co"), "Apricot") |
| assert.eq("Apricotcot".removesuffix("cot"), "Apricot") |
| |
| # removeprefix |
| assert.eq("Apricot".removeprefix("Apr"), "icot") |
| assert.eq("Apricot".removeprefix("apr"), "Apricot") |
| assert.eq("Apricot".removeprefix("A"), "pricot") |
| assert.eq("a".removeprefix(""), "a") |
| assert.eq("".removeprefix(""), "") |
| assert.eq("".removeprefix("a"), "") |
| assert.eq("Apricot".removeprefix("pr"), "Apricot") |
| assert.eq("AprApricot".removeprefix("Apr"), "Apricot") |
