tests: reduced warnings

nanite/preproc.py

@@ -5,6 +5,10 @@
 from .smooth import smooth_axis_monotone
 
 
+class CannotSplitWarning(UserWarning):
+    pass
+
+
 class IndentationPreprocessor(object):
     @staticmethod
     def apply(apret, preproc_names):
@@ -119,7 +123,7 @@ def correct_split_approach_retract(apret):
         else:
             msg = "Cannot correct splitting of approach and retract curve " +\
                   "because the contact point position could not be estimated."
-            warnings.warn(msg)
+            warnings.warn(msg, CannotSplitWarning)
 
     @staticmethod
     def smooth_height(apret):

nanite/smooth.py

@@ -1,11 +1,14 @@
-""" smooth data
-"""
+"""smooth data"""
 import warnings
 
 import numpy as np
 import scipy.ndimage as im
 
 
+class DoubledSmoothingWindowWarning(UserWarning):
+    pass
+
+
 def smooth_axis(data, window=15):
     """
     Smooth a 1D  data array with a median filter of `width`.
@@ -39,7 +42,10 @@ def smooth_axis_monotone(data, window=15):
         window = window * 2 + 1
         smooth = smooth_axis(data, window=window)
         gradient = np.gradient(smooth)
-        warnings.warn("Doubled smoothing window size to {}".format(window))
+        warnings.warn("Automatically doubled smoothing `window` size to "
+                      + "{}. You might consider using a ".format(window)
+                      + "larger value by default.",
+                      DoubledSmoothingWindowWarning)
 
     while (np.unique(smooth).shape != smooth.shape):
         # keep axis unique

tests/test_indent_class.py

@@ -2,6 +2,7 @@
 import pathlib
 
 import numpy as np
+import pytest
 
 from nanite import IndentationDataSet
 
@@ -10,6 +11,8 @@
 jpkfile = datapath / "spot3-0192.jpk-force"
 
 
+@pytest.mark.filterwarnings('ignore::nanite.smooth.'
+                            + 'DoubledSmoothingWindowWarning')
 def test_app_ret():
     ds = IndentationDataSet(jpkfile)
     ar = ds[0]

tests/test_process_bad_files.py

@@ -1,13 +1,16 @@
 """Test of basic opening functionalities"""
 import pathlib
 
+import pytest
+
 from nanite import IndentationDataSet
 
 
 datadir = pathlib.Path(__file__).resolve().parent / "data"
 bad_files = list(datadir.glob("bad*"))
 
 
+@pytest.mark.filterwarnings('ignore::nanite.preproc.CannotSplitWarning')
 def test_process_bad():
     for bf in bad_files:
         ds = IndentationDataSet(bf)