38 lines
1.4 KiB
Hy
38 lines
1.4 KiB
Hy
;; Tests where the emitted code relies on Python 3.
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;; Conditionally included in nosetests runs.
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(import [hy._compat [PY33]])
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(import [hy.errors [HyCompileError]])
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(defn test-exception-cause []
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(try (raise ValueError :from NameError)
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(except [e [ValueError]]
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(assert (= (type (. e __cause__)) NameError)))))
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(defn test-kwonly []
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"NATIVE: test keyword-only arguments"
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;; keyword-only with default works
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(defn kwonly-foo-default-false [&kwonly [foo False]] foo)
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(assert (= (apply kwonly-foo-default-false) False))
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(assert (= (apply kwonly-foo-default-false [] {"foo" True}) True))
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;; keyword-only without default ...
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(defn kwonly-foo-no-default [&kwonly foo] foo)
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(setv attempt-to-omit-default (try
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(kwonly-foo-no-default)
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(except [e [Exception]] e)))
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;; works
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(assert (= (apply kwonly-foo-no-default [] {"foo" "quux"}) "quux"))
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;; raises TypeError with appropriate message if not supplied
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(assert (isinstance attempt-to-omit-default TypeError))
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(assert (in "missing 1 required keyword-only argument: 'foo'"
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(. attempt-to-omit-default args [0])))
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;; keyword-only with other arg types works
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(defn function-of-various-args [a b &rest args &kwonly foo &kwargs kwargs]
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(, a b args foo kwargs))
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(assert (= (apply function-of-various-args
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[1 2 3 4] {"foo" 5 "bar" 6 "quux" 7})
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(, 1 2 (, 3 4) 5 {"bar" 6 "quux" 7}))))
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