# numpy.testing.dec.slow

testing.dec.slow(t)

  Deprecated since version 1.21: This decorator is retained for compatibility with the nose testing framework, which is being phased out. Please use the nose2 or pytest frameworks instead.

  Label a test as ‘slow’.

  The exact definition of a slow test is obviously both subjective and hardware-dependent, but in general any individual test that requires more than a second or two should be labeled as slow (the whole suite consists of thousands of tests, so even a second is significant).

  Parameters
    t callable

      The test to label as slow.

  Returns
    t callable

      The decorated test t.

  Examples

  The `numpy.testing` module includes `import decorators as dec`. A test can be decorated as slow like this:

      from numpy.testing import *

      @dec.slow
      def test_big(self):
          print('Big, slow test')

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