def test_exists_fb(self):
fb_res = fb_resources.FBResources('TEST_FB')
result = fb_res.exists_fb()
self.assertEqual(True, result)
fb_res = fb_resources.FBResources('E_EXAMPLE_1')
result = fb_res.exists_fb()
self.assertEqual(False, result)
def create_fb(self, fb_name, fb_type, monitor=False):
logging.info('creating a new fb...')
fb_res = fb_resources.FBResources(fb_type)
exists_fb = fb_res.exists_fb()
if not exists_fb:
# Downloads the fb definition and python code
logging.info('fb doesnt exists, needs to be downloaded ...')
fb_res.download_fb()
fb_definition, fb_obj = fb_res.import_fb()
# check if if happened any importing error
if fb_definition is not None:
## if it is a real FB, not a hidden one
if monitor:
fb_element = fb.FB(fb_name,
fb_type,
fb_obj,
fb_definition,
monitor=self.monitor)
else:
fb_element = fb.FB(fb_name, fb_type, fb_obj, fb_definition)
self.set_fb(fb_name, fb_element)
logging.info('created fb type: {0}, instance: {1}'.format(
fb_type, fb_name))
# returns the both elements
return fb_element, fb_definition
else:
logging.error(
'can not create the fb type: {0}, instance: {1}'.format(
fb_type, fb_name))
def test_import_fb(self):
fb_res = fb_resources.FBResources('TEST_FB')
element, fb_obj = fb_res.import_fb()
result = fb_obj.schedule('EI', 23, None)
tag = element.tag
self.assertEqual('FBType', tag)
self.assertEqual(24, result[0])
def create_fb(self, fb_name, fb_type, monitor=False):
logging.info('creating a new fb...')
fb_res = fb_resources.FBResources(fb_type)
exists_fb = fb_res.exists_fb()
if not exists_fb:
# Downloads the fb definition and python code
logging.info('fb doesnt exists, needs to be downloaded ...')
fb_res.download_fb()
fb_definition, fb_obj = fb_res.import_fb()
# check if if happened any importing error
if fb_definition is not None:
# Checking order and number or arguments of schedule function
# Logs warning if order and number are not the same
scheduleArgs = inspect.getargspec(fb_obj.schedule).args
if len(scheduleArgs) > 3:
scheduleArgs = scheduleArgs[3:]
scheduleArgs = [i.lower() for i in scheduleArgs]
xmlArgs = []
for child in fb_definition:
inputvars = child.find('InputVars')
varslist = inputvars.findall('VarDeclaration')
for xmlVar in varslist:
if xmlVar.get('Name') is not None:
xmlArgs.append(xmlVar.get('Name').lower())
else:
logging.error(
'Could not find mandatory "Name" attribute for variable. Please check {0}.fbt'
.format(fb_name))
if scheduleArgs != xmlArgs:
logging.warning(
'Argument names for schedule function of {0} do not match definition in {0}.fbt'
.format(fb_name))
logging.warning(
'Ensure your variable arguments are the same as the input variables and in the same order'
)
## if it is a real FB, not a hidden one
if monitor:
fb_element = fb.FB(fb_name,
fb_type,
fb_obj,
fb_definition,
monitor=self.monitor)
else:
fb_element = fb.FB(fb_name, fb_type, fb_obj, fb_definition)
self.set_fb(fb_name, fb_element)
logging.info('created fb type: {0}, instance: {1}'.format(
fb_type, fb_name))
# returns the both elements
return fb_element, fb_definition
else:
logging.error(
'can not create the fb type: {0}, instance: {1}'.format(
fb_type, fb_name))
return None, None