tests: indicate that tests were skipped if requirements are not met

Accelerators/Vtkm/Testing/Python/TestVTKMAverageToCells.py

@@ -5,7 +5,8 @@ try:
 except ImportError:
     print("Numpy (http://numpy.scipy.org) not found.")
     print("This test requires numpy!")
-    sys.exit(0)
+    from vtk.test import Testing
+    Testing.skip()
 
 import vtk
 from vtk.numpy_interface import dataset_adapter as dsa

Accelerators/Vtkm/Testing/Python/TestVTKMAverageToPoints.py

@@ -5,7 +5,8 @@ try:
 except ImportError:
     print("Numpy (http://numpy.scipy.org) not found.")
     print("This test requires numpy!")
-    sys.exit(0)
+    from vtk.test import Testing
+    Testing.skip()
 
 import vtk
 from vtk.numpy_interface import dataset_adapter as dsa

Common/Core/Testing/Python/TestNumpyInterface.py

@@ -5,7 +5,8 @@ try:
 except ImportError:
     print("Numpy (http://numpy.scipy.org) not found.")
     print("This test requires numpy!")
-    sys.exit(0)
+    from vtk.test import Testing
+    Testing.skip()
 
 import vtk
 import vtk.numpy_interface.dataset_adapter as dsa

Common/Core/Testing/Python/TestNumpySupport.py

@@ -16,7 +16,8 @@ try:
 except ImportError:
     print("Numpy (http://numpy.scipy.org) not found.")
     print("This test requires numpy!")
-    sys.exit(0)
+    from vtk.test import Testing
+    Testing.skip()
 
 from vtk.util.numpy_support import numpy_to_vtk, vtk_to_numpy
 import vtk.numpy_interface.dataset_adapter as dsa

Common/Core/Testing/Python/TestNumpyWeakReference.py

@@ -5,7 +5,8 @@ try:
 except ImportError:
     print("Numpy (http://numpy.scipy.org) not found.")
     print("This test requires numpy!")
-    sys.exit(0)
+    from vtk.test import Testing
+    Testing.skip()
 
 import vtk
 import vtk.numpy_interface.dataset_adapter as dsa

Common/Core/Testing/Python/TestWeakref.py

@@ -18,7 +18,8 @@ try:
 except ImportError:
     print("No weakref in this version of Python.  Time to upgrade?")
     print("Python version:", sys.version)
-    sys.exit(0)
+    from vtk.test import Testing
+    Testing.skip()
 
 
 class TestWeakref(Testing.vtkTest):

Common/DataModel/Testing/Python/TestNumericArrayImageData.py

@@ -17,7 +17,8 @@ try:
     import numpy.core.numeric as numeric
 except ImportError:
     print("WARNING: This test requires Numeric Python: http://numpy.sf.net")
-    sys.exit(0)
+    from vtk.test import Testing
+    Testing.skip()
 
 import os
 import glob

Filters/Core/Testing/Python/TestContourCases.py

@@ -7,7 +7,8 @@ try:
     import numpy as np
 except ImportError:
     print("WARNING: This test requires Numeric Python: http://numpy.sf.net")
-    sys.exit(0)
+    from vtk.test import Testing
+    Testing.skip()
 
 def GenerateCell(cellType, points):
     cell = vtk.vtkUnstructuredGrid()

Filters/General/Testing/Python/GreenLagrangeStrain.py

@@ -9,7 +9,8 @@ try:
     import numpy
 except ImportError:
     print("WARNING: This test requires NumPy: http://http://www.numpy.org/")
-    sys.exit(0)
+    from vtk.test import Testing
+    Testing.skip()
 import vtk
 
 

Filters/Points/Testing/Python/TestSPHInterpolatorWithCutoff.py

@@ -4,7 +4,8 @@ try:
 except ImportError:
     print("Numpy (http://numpy.scipy.org) not found.")
     print("This test requires numpy!")
-    sys.exit(0)
+    from vtk.test import Testing
+    Testing.skip()
 
 import vtk
 import vtk.test.Testing

Parallel/MPI4Py/Testing/Python/TestParallelNumpy.py

@@ -9,7 +9,8 @@ try:
 except ImportError:
     print("Numpy (http://numpy.scipy.org) not found.", end=' ')
     print("This test requires numpy!")
-    sys.exit(0)
+    from vtk.test import Testing
+    Testing.skip()
 
 import vtk
 import vtk.numpy_interface.dataset_adapter as dsa

Rendering/Volume/Testing/Python/volTM3DCompressedCropRegions.py

@@ -92,7 +92,8 @@ culler.SetSortingStyleToBackToFront()
 valid = volumeMapper_0_0.IsRenderSupported(volumeProperty, ren1)
 if (valid == 0):
     print("Required Extensions Not Supported")
-    sys.exit(0)
+    from vtk.test import Testing
+    Testing.skip()
 
 ren1.ResetCamera()
 ren1.GetActiveCamera().Zoom(3.0)