def _create_block_from_channel(self, channel):
"""
Create a single block from a channel object.
Args:
channel: the channel.
Returns:
"""
name = shorten_title(channel["Channel"])
connected = channel["Connected"]
current_value = channel["Current Value"]
if connected:
units = current_value.get("Units", "")
precision = unicode(current_value.get("Precision", ""))
value = unicode(current_value["Value"])
replaced = True
while replaced:
value, replaced = self._replace_fake_unicode(value)
alarm = current_value["Alarm"]
else:
value = "null"
alarm = ""
units = ""
precision = 0
status = Block.CONNECTED if connected else Block.DISCONNECTED
return Block(name, status, value, alarm, True, precision, units)
def test_shorten_title_larmor_block_low_rc(self):
# Arrange
test_pv = "IN:LARMOR:CS:SB:Chi:RC:LOW.VAL"
# Act
shortened_title = shorten_title(test_pv)
# Assert
self.assertEquals(shortened_title, "Chi:RC:LOW.VAL")
def test_shorten_title_larmor_block_high_rc(self):
# Arrange
test_pv = "IN:LARMOR:CS:SB:CJHCent:RC:HIGH.VAL"
# Act
shortened_title = shorten_title(test_pv)
# Assert
self.assertEquals(shortened_title, "CJHCent:RC:HIGH.VAL")
def test_shorten_title_rc_in_pv_doesnt_count(self):
# Arrange
test_pv = "TE:NDLT910:RC.VAL"
# Act
shortened_title = shorten_title(test_pv)
# Assert
self.assertEquals(shortened_title, "RC.VAL")
def test_shorten_title_with_malformed_input_rc_value(self):
# Arrange
test_pv = "RC:INRANGE.VAL"
# Act
shortened_title = shorten_title(test_pv)
# Assert
self.assertEquals(shortened_title, "RC:INRANGE.VAL")
def test_shorten_title_with_bad_rc_value(self):
# Arrange
test_pv = "OLD_BLOCK:RC:OUTRANGE.VAL"
# Act
shortened_title = shorten_title(test_pv)
# Assert
self.assertEquals(shortened_title, "OUTRANGE.VAL")
def test_shorten_title_with_empty_string(self):
# Arrange
test_pv = ""
# Act
shortened_title = shorten_title(test_pv)
# Assert
self.assertEquals(shortened_title, "")
def test_shorten_title_with_rc_in_range(self):
# Arrange
test_pv = "TE:NDLT910:CS:SB:OLD_BLOCK:RC:INRANGE.VAL"
# Act
shortened_title = shorten_title(test_pv)
# Assert
self.assertEquals(shortened_title, "OLD_BLOCK:RC:INRANGE.VAL")
def test_shorten_title_with_rc_enabled(self):
# Arrange
test_pv = "TE:NDLT910:CS:SB:NEW_BLOCK:RC:ENABLE.VAL"
# Act
shortened_title = shorten_title(test_pv)
# Assert
self.assertEquals(shortened_title, "NEW_BLOCK:RC:ENABLE.VAL")
def test_shorten_title_for_default_case(self):
#Arrange
test_pv = "TE:NDLT910:DAE:COUNTRATE.VAL"
#Act
shortened_title = shorten_title(test_pv)
#Assert
self.assertEquals(shortened_title, "COUNTRATE.VAL")