def test_detector_with_assign_combinator():
""" We should correctly generate a detector comprised of two assignment
functions
"""
cpu_util_string = 'cpu.utilization'
sum_string = 'utilization_sum'
count_string = 'utilization_count'
mean_string = 'utilization_mean'
sum_data = Data(cpu_util_string).sum()
count_data = Data(cpu_util_string).count()
utilization_sum = Assign(sum_string, sum_data)
utilization_count = Assign(count_string, count_data)
mean_data = Div(Ref(sum_string), Ref(count_string))
utilization_mean = Assign(mean_string, mean_data)
detect = Detect(When(GT(Ref(mean_string), 50))).publish(label='detector')
program = Program(utilization_sum, utilization_count, utilization_mean,
detect)
detector = Detector().with_program(program)
assert detector.options["programText"] == "{0}\n{1}\n{2}\n{3}".format(
str(utilization_sum), str(utilization_count), str(utilization_mean),
str(detect))
assert program.statements.pop() == detect
assert program.statements.pop() == utilization_mean
assert program.statements.pop() == utilization_count
assert program.statements.pop() == utilization_sum
def test_when():
data1 = Data('request.mean')\
.publish(label='A')
when = When(GT(data1, 50), '5m', 0.5)
program = Program(when)
assert program.statements[0] == when