mirror of https://github.com/astral-sh/ruff
48 lines
2.3 KiB
Python
48 lines
2.3 KiB
Python
import secrets
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from random import random, choice
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a = "Hello"
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ok1 = " ".join([a, " World"]) # OK
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ok2 = "".join(["Finally, ", a, " World"]) # OK
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ok3 = "x".join(("1", "2", "3")) # OK
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ok4 = "y".join([1, 2, 3]) # Technically OK, though would've been an error originally
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ok5 = "a".join([random(), random()]) # OK (simple calls)
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ok6 = "a".join([secrets.token_urlsafe(), secrets.token_hex()]) # OK (attr calls)
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nok1 = "x".join({"4", "5", "yee"}) # Not OK (set)
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nok2 = a.join(["1", "2", "3"]) # Not OK (not a static joiner)
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nok3 = "a".join(a) # Not OK (not a static joinee)
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nok4 = "a".join([a, a, *a]) # Not OK (not a static length)
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nok5 = "a".join([choice("flarp")]) # Not OK (not a simple call)
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nok6 = "a".join(x for x in "feefoofum") # Not OK (generator)
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nok7 = "a".join([f"foo{8}", "bar"]) # Not OK (contains an f-string)
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# https://github.com/astral-sh/ruff/issues/19887
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nok8 = '\n'.join([r'line1','line2'])
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nok9 = '\n'.join([r"raw string", '<""">', "<'''>"]) # Not OK (both triple-quote delimiters appear; should bail)
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# Regression test for: https://github.com/astral-sh/ruff/issues/7197
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def create_file_public_url(url, filename):
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return''.join([url, filename])
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# Regression test for: https://github.com/astral-sh/ruff/issues/19837
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nok10 = "".join((foo, '"'))
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nok11 = ''.join((foo, "'"))
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nok12 = ''.join([foo, "'", '"'])
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nok13 = "".join([foo, "'", '"'])
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# Regression test for: https://github.com/astral-sh/ruff/issues/21082
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# Mixing raw and non-raw strings can cause syntax errors or behavior changes
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nok14 = "".join((r"", '"')) # First is raw, second is not - would break syntax
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nok15 = "".join((r"", "\\")) # First is raw, second has backslash - would break syntax
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nok16 = "".join((r"", "\0")) # First is raw, second has null byte - would introduce null bytes
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nok17 = "".join((r"", "\r")) # First is raw, second has carriage return - would change behavior
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nok18 = "".join((r"", "\\r")) # First is raw, second has backslash followed by literal r - OK (no special handling needed)
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# Test that all-raw strings still work (should be OK)
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ok7 = "".join((r"", r"something")) # Both are raw - OK
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ok8 = "\n".join((r"line1", r'line2')) # Both are raw - OK
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# Test that all-non-raw strings still work (should be OK)
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ok9 = "".join(("", '"')) # Both are non-raw - OK
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ok10 = "\n".join(("line1", "line2")) # Both are non-raw - OK
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