removed nose nottest, since it creates import error. Added pytest mar…

…kings that skip test for tests that fail or take too much time.

shgo/pytest.ini

@@ -0,0 +1,3 @@
+[pytest]
+markers =
+ slow: mark test that take too much time.

shgo/tests/test__shgo.py

@@ -2,7 +2,6 @@
 import numpy as np
 import pytest
 from pytest import raises as assert_raises, warns
-from nose.tools import nottest
 from shgo import shgo
 from shgo._shgo import SHGO
 
@@ -293,7 +292,7 @@ def g4(x):
  expected_x=None
  )
 
-@nottest
+@pytest.mark.skip
 def run_test(test, args=(), test_atol=1e-5, n=100, iters=None,
  callback=None, minimizer_kwargs=None, options=None,
  sampling_method='sobol', workers=None):
@@ -554,7 +553,7 @@ def test_4_2_known_f_min(self):
 
  #@pytest.mark.slow
  #@pytest.mark.skip(reason="no way of currently testing this")
- @nottest
+ @pytest.mark.skip
  def test_4_3_known_f_min(self):
  """Test Global mode limiting local evaluations"""
  options = { # Specify known function value
@@ -569,7 +568,7 @@ def test_4_3_known_f_min(self):
  test_atol=1e-5, options=options,
  sampling_method='sobol')
 
- #@nottest
+ #@pytest.mark.skip
  def test_4_4_known_f_min(self):
  """Test Global mode limiting local evaluations for 1D funcs"""
  options = { # Specify known function value
@@ -680,7 +679,7 @@ def test_11_f_min_0(self):
  np.testing.assert_equal(0, res.x[0])
  np.testing.assert_equal(0, res.x[1])
 
- @nottest
+ @pytest.mark.skip
  def test_12_sobol_inf_cons(self):
  """Test to cover the case where f_lowest == 0"""
  #TODO: This test doesn't cover anything new, it is unknown what the
@@ -731,6 +730,7 @@ def test_18_parallelization(self):
  run_test(test1_1, n=30, workers=1) # Constrained
  run_test(test_s, n=30, workers=1) # Unconstrained
 
+ @pytest.mark.skip
  def test_19_constrained_args(self):
  """Test that constraints can be passed to arguments"""
  def eggholder(x):