mirror of
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243 lines
6.4 KiB
Python
243 lines
6.4 KiB
Python
from testutils import assert_raises
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assert "a" == 'a'
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assert """a""" == "a"
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assert len(""" " "" " "" """) == 11
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assert "\"" == '"'
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assert "\"" == """\""""
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assert "\n" == """
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"""
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assert len(""" " \" """) == 5
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assert len("é") == 1
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assert len("é") == 2
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assert len("あ") == 1
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assert type("") is str
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assert type(b"") is bytes
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assert str(1) == "1"
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assert str(2.1) == "2.1"
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assert str() == ""
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assert str("abc") == "abc"
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assert repr("a") == "'a'"
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assert repr("can't") == '"can\'t"'
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assert repr('"won\'t"') == "'\"won\\'t\"'"
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assert repr('\n\t') == "'\\n\\t'"
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assert str(["a", "b", "can't"]) == "['a', 'b', \"can't\"]"
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assert "xy" * 3 == "xyxyxy"
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assert "x" * 0 == ""
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assert "x" * -1 == ""
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assert 3 * "xy" == "xyxyxy"
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assert 0 * "x" == ""
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assert -1 * "x" == ""
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assert_raises(OverflowError, lambda: 'xy' * 234234234234234234234234234234)
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a = 'Hallo'
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assert a.lower() == 'hallo'
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assert a.upper() == 'HALLO'
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assert a.startswith('H')
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assert a.startswith(('H', 1))
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assert a.startswith(('A', 'H'))
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assert not a.startswith('f')
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assert not a.startswith(('A', 'f'))
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assert a.endswith('llo')
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assert a.endswith(('lo', 1))
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assert a.endswith(('A', 'lo'))
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assert not a.endswith('on')
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assert not a.endswith(('A', 'll'))
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assert a.zfill(8) == '000Hallo'
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assert a.isalnum()
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assert not a.isdigit()
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assert not a.isdecimal()
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assert not a.isnumeric()
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assert a.istitle()
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assert a.isalpha()
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s = '1 2 3'
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assert s.split(' ', 1) == ['1', '2 3']
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assert s.rsplit(' ', 1) == ['1 2', '3']
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b = ' hallo '
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assert b.strip() == 'hallo'
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assert b.lstrip() == 'hallo '
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assert b.rstrip() == ' hallo'
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s = '^*RustPython*^'
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assert s.strip('^*') == 'RustPython'
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assert s.lstrip('^*') == 'RustPython*^'
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assert s.rstrip('^*') == '^*RustPython'
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s = 'RustPython'
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assert s.ljust(8) == 'RustPython'
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assert s.rjust(8) == 'RustPython'
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assert s.ljust(12) == 'RustPython '
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assert s.rjust(12) == ' RustPython'
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assert s.ljust(12, '_') == 'RustPython__'
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assert s.rjust(12, '_') == '__RustPython'
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# The fill character must be exactly one character long
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assert_raises(TypeError, lambda: s.ljust(12, '__'))
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assert_raises(TypeError, lambda: s.rjust(12, '__'))
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c = 'hallo'
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assert c.capitalize() == 'Hallo'
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assert c.center(11, '-') == '---hallo---'
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assert ["koki".center(i, "|") for i in range(3, 10)] == [
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"koki",
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"koki",
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"|koki",
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"|koki|",
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"||koki|",
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"||koki||",
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"|||koki||",
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]
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assert ["kok".center(i, "|") for i in range(2, 10)] == [
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"kok",
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"kok",
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"kok|",
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"|kok|",
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"|kok||",
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"||kok||",
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"||kok|||",
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"|||kok|||",
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]
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# requires CPython 3.7, and the CI currently runs with 3.6
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# assert c.isascii()
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assert c.index('a') == 1
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assert c.rindex('l') == 3
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assert c.find('h') == 0
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assert c.rfind('x') == -1
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assert c.islower()
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assert c.title() == 'Hallo'
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assert c.count('l') == 2
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assert 'aaa'.count('a') == 3
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assert 'aaa'.count('a', 1) == 2
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assert 'aaa'.count('a', 1, 2) == 1
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assert 'aaa'.count('a', 2, 2) == 0
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assert 'aaa'.count('a', 2, 1) == 0
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assert '___a__'.find('a') == 3
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assert '___a__'.find('a', -10) == 3
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assert '___a__'.find('a', -3) == 3
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assert '___a__'.find('a', -2) == -1
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assert '___a__'.find('a', -1) == -1
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assert '___a__'.find('a', 0) == 3
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assert '___a__'.find('a', 3) == 3
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assert '___a__'.find('a', 4) == -1
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assert '___a__'.find('a', 10) == -1
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assert '___a__'.rfind('a', 3) == 3
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assert '___a__'.index('a', 3) == 3
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assert '___a__'.find('a', 0, -10) == -1
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assert '___a__'.find('a', 0, -3) == -1
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assert '___a__'.find('a', 0, -2) == 3
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assert '___a__'.find('a', 0, -1) == 3
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assert '___a__'.find('a', 0, 0) == -1
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assert '___a__'.find('a', 0, 3) == -1
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assert '___a__'.find('a', 0, 4) == 3
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assert '___a__'.find('a', 0, 10) == 3
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assert '___a__'.find('a', 3, 3) == -1
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assert '___a__'.find('a', 3, 4) == 3
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assert '___a__'.find('a', 4, 3) == -1
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assert 'abcd'.startswith('b', 1)
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assert 'abcd'.startswith(('b', 'z'), 1)
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assert not 'abcd'.startswith('b', -4)
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assert 'abcd'.startswith('b', -3)
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assert not 'abcd'.startswith('b', 3, 3)
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assert 'abcd'.startswith('', 3, 3)
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assert not 'abcd'.startswith('', 4, 3)
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assert ' '.isspace()
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assert 'hello\nhallo\nHallo'.splitlines() == ['hello', 'hallo', 'Hallo']
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assert 'abc\t12345\txyz'.expandtabs() == 'abc 12345 xyz'
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assert '-'.join(['1', '2', '3']) == '1-2-3'
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assert 'HALLO'.isupper()
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assert "hello, my name is".partition("my ") == ('hello, ', 'my ', 'name is')
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assert "hello".partition("is") == ('hello', '', '')
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assert "hello, my name is".rpartition("is") == ('hello, my name ', 'is', '')
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assert "hello".rpartition("is") == ('', '', 'hello')
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assert not ''.isdecimal()
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assert '123'.isdecimal()
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assert not '\u00B2'.isdecimal()
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assert not ''.isidentifier()
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assert 'python'.isidentifier()
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assert '_'.isidentifier()
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assert '유니코드'.isidentifier()
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assert not '😂'.isidentifier()
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assert not '123'.isidentifier()
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# String Formatting
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assert "{} {}".format(1, 2) == "1 2"
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assert "{0} {1}".format(2, 3) == "2 3"
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assert "--{:s>4}--".format(1) == "--sss1--"
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assert "{keyword} {0}".format(1, keyword=2) == "2 1"
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assert "repr() shows quotes: {!r}; str() doesn't: {!s}".format(
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'test1', 'test2'
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) == "repr() shows quotes: 'test1'; str() doesn't: test2", 'Output: {!r}, {!s}'.format('test1', 'test2')
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class Foo:
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def __str__(self):
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return 'str(Foo)'
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def __repr__(self):
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return 'repr(Foo)'
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f = Foo()
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assert "{} {!s} {!r} {!a}".format(f, f, f, f) == 'str(Foo) str(Foo) repr(Foo) repr(Foo)'
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assert "{foo} {foo!s} {foo!r} {foo!a}".format(foo=f) == 'str(Foo) str(Foo) repr(Foo) repr(Foo)'
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# assert '{} {!r} {:10} {!r:10} {foo!r:10} {foo!r} {foo}'.format('txt1', 'txt2', 'txt3', 'txt4', 'txt5', foo='bar')
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assert 'a' < 'b'
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assert 'a' <= 'b'
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assert 'a' <= 'a'
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assert 'z' > 'b'
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assert 'z' >= 'b'
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assert 'a' >= 'a'
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# str.translate
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assert "abc".translate({97: '🎅', 98: None, 99: "xd"}) == "🎅xd"
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# str.maketrans
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assert str.maketrans({"a": "abc", "b": None, "c": 33}) == {97: "abc", 98: None, 99: 33}
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assert str.maketrans("hello", "world", "rust") == {104: 119, 101: 111, 108: 108, 111: 100, 114: None, 117: None, 115: None, 116: None}
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def try_mutate_str():
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word = "word"
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word[0] = 'x'
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assert_raises(TypeError, try_mutate_str)
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ss = ['Hello', '안녕', '👋']
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bs = [b'Hello', b'\xec\x95\x88\xeb\x85\x95', b'\xf0\x9f\x91\x8b']
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for s, b in zip(ss, bs):
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assert s.encode() == b
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for s, b, e in zip(ss, bs, ['u8', 'U8', 'utf-8', 'UTF-8', 'utf_8']):
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assert s.encode(e) == b
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# assert s.encode(encoding=e) == b
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# str.isisprintable
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assert "".isprintable()
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assert " ".isprintable()
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assert "abcdefg".isprintable()
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assert not "abcdefg\n".isprintable()
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assert "ʹ".isprintable()
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