def test_error_plot_and_validation_error_warnings(self):
with catch_stdout() as out:
network = algorithms.GradientDescent((2, 3, 1), verbose=True)
network.errors = ErrorHistoryList([1, 2])
network.validation_errors = ErrorHistoryList([None])
plots.error_plot(network, ax=None, show=False)
terminal_output = out.getvalue()
self.assertIn("error will be ignored", terminal_output)
def test_non_empty_error_history_list(self):
errlist = ErrorHistoryList()
errlist.append([1, 2, 1])
errlist.append([1, 1, 1])
errlist.append([2, 10])
norm_errlist = errlist.normalized()
expected_errorlsit = ErrorHistoryList([4, 3, 12])
self.assertEqual(norm_errlist, expected_errorlsit)
def test_empty_error_history_list(self):
errlist = ErrorHistoryList()
norm_errlist = errlist.normalized()
self.assertIs(norm_errlist, errlist)
def test_empty_error_history_list(self):
errlist = ErrorHistoryList()
norm_errlist = errlist.normalized()
self.assertIs(norm_errlist, errlist)