46 lines
1015 B
Python
46 lines
1015 B
Python
import pytest
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from joblib._utils import eval_expr
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@pytest.mark.parametrize(
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"expr",
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[
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"exec('import os')",
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"print(1)",
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"import os",
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"1+1; import os",
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"1^1",
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"' ' * 10**10",
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"9. ** 10000.",
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],
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)
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def test_eval_expr_invalid(expr):
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with pytest.raises(ValueError, match="is not a valid or supported arithmetic"):
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eval_expr(expr)
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def test_eval_expr_too_long():
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expr = "1" + "+1" * 50
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with pytest.raises(ValueError, match="is too long"):
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eval_expr(expr)
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@pytest.mark.parametrize("expr", ["1e7", "10**7", "9**9**9"])
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def test_eval_expr_too_large_literal(expr):
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with pytest.raises(ValueError, match="Numeric literal .* is too large"):
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eval_expr(expr)
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@pytest.mark.parametrize(
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"expr, result",
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[
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("2*6", 12),
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("2**6", 64),
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("1 + 2*3**(4) / (6 + -7)", -161.0),
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("(20 // 3) % 5", 1),
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],
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)
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def test_eval_expr_valid(expr, result):
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assert eval_expr(expr) == result
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