skip all ocl tests when not available

Author: JLBegin

pytissueoptics/rayscattering/tests/opencl/config/testCLConfig.py

@@ -3,6 +3,7 @@
 import unittest
 from unittest.mock import patch
 
+from pytissueoptics.rayscattering.opencl import OPENCL_OK
 from pytissueoptics.rayscattering.opencl.config import CLConfig as clc
 
 
@@ -16,6 +17,7 @@ def wrapper(*args, **kwargs):
     return wrapper
 
 
+@unittest.skipIf(not OPENCL_OK, 'OpenCL device not available.')
 class TestCLConfig(unittest.TestCase):
     @tempConfigPath
     def testGivenNoConfigFile_shouldWarnAndCreateANewOne(self):

pytissueoptics/rayscattering/tests/opencl/testCLPhotons.py

@@ -5,10 +5,11 @@
 from pytissueoptics import ScatteringScene, ScatteringMaterial, EnergyLogger, Cube
 from pytissueoptics.rayscattering.opencl.CLPhotons import CLPhotons
 from pytissueoptics.scene.geometry import Environment
-from pytissueoptics.rayscattering.opencl import WEIGHT_THRESHOLD
+from pytissueoptics.rayscattering.opencl import WEIGHT_THRESHOLD, OPENCL_OK
 from pytissueoptics.scene.logger import InteractionKey
 
 
+@unittest.skipIf(not OPENCL_OK, 'OpenCL device not available.')
 class TestCLPhotons(unittest.TestCase):
     def testWhenPropagateWithoutContext_shouldNotPropagate(self):
         positions = np.array([[0, 0, 0], [0, 0, 0]])