2022-05-08 07:52:08 +00:00
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from pyodide_test_runner import run_in_pyodide
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2022-04-02 12:07:50 +00:00
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@run_in_pyodide(packages=["lazy-object-proxy"])
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2022-05-26 02:47:43 +00:00
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def test_lazy_object_proxy(selenium):
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2022-04-02 12:07:50 +00:00
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import lazy_object_proxy
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def expensive_func():
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from time import sleep
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print("starting calculation")
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# just as example for a slow computation
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sleep(0.1)
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print("finished calculation")
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# return the result of the calculation
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return 10
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obj = lazy_object_proxy.Proxy(expensive_func)
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# function is called only when object is actually used
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assert obj == 10 # now expensive_func is called
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assert obj == 10 # the result without calling the expensive_func
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