def test_r_is_installed(self):
"""
Test checking that R is installed
"""
self.assertIsNone(RUtils.check_r_is_installed())
ProcessingConfig.setSettingValue(RUtils.R_FOLDER, '/home')
self.assertTrue(RUtils.check_r_is_installed())
self.assertIn('R is not installed', RUtils.check_r_is_installed())
ProcessingConfig.setSettingValue(RUtils.R_FOLDER, None)
self.assertIsNone(RUtils.check_r_is_installed())
def canExecute(self):
"""
Returns True if the algorithm can be executed
"""
if self.error:
return False, self.error
msg = RUtils.check_r_is_installed()
if msg is not None:
return False, msg
return True, ''