def test_match(self):
parser = QueryLanguage()
#------------------------------------------------------------------------------------------------------
# Check that when field is outside range (less than lower bound), match() returns false
#------------------------------------------------------------------------------------------------------
field = 'voltage'
lower_bound = 5
upper_bound = 10
instrument = 'instrument_1'
search_string1 = "SEARCH '%s' VALUES FROM %s TO %s FROM '%s'"\
% (field, lower_bound, upper_bound, instrument)
query = parser.parse(search_string1)
event = ExampleDetectableEvent('TestEvent', voltage=4)
self.assertFalse(QueryLanguage.match(event, query['query']))
#------------------------------------------------------------------------------------------------------
# Check that when field is outside range (is higher than upper bound), match() returns false
#------------------------------------------------------------------------------------------------------
event = ExampleDetectableEvent('TestEvent', voltage=11)
self.assertFalse(QueryLanguage.match(event, query['query']))
#------------------------------------------------------------------------------------------------------
# Check that when field is inside range, match() returns true
#------------------------------------------------------------------------------------------------------
event = ExampleDetectableEvent('TestEvent', voltage=6)
self.assertTrue(QueryLanguage.match(event, query['query']))
#------------------------------------------------------------------------------------------------------
# Check that when field is exactly of the value mentioned in a query, match() returns true
#------------------------------------------------------------------------------------------------------
value = 15
search_string2 = "search '%s' is '%s' from '%s'" % (field, value, instrument)
query = parser.parse(search_string2)
event = ExampleDetectableEvent('TestEvent', voltage=15)
self.assertTrue(QueryLanguage.match(event, query['query']))
#------------------------------------------------------------------------------------------------------
# Check that when value is not exactly what is mentioned in a query, match() returns false
#------------------------------------------------------------------------------------------------------
event = ExampleDetectableEvent('TestEvent', voltage=14)
self.assertFalse(QueryLanguage.match(event, query['query']))
