max / pom

2.3 KB · 93 lines History Blame Raw

1	use pom::types::HealthStatus;
2
3	#[derive(Debug, PartialEq, Eq)]
4	pub(crate) enum IncidentAction {
5	None,
6	Open,
7	Close,
8	CloseAndOpen,
9	}
10
11	pub(crate) fn incident_action(prev: HealthStatus, curr: HealthStatus) -> IncidentAction {
12	if prev == curr {
13	return IncidentAction::None;
14	}
15	let prev_op = prev == HealthStatus::Operational;
16	let curr_op = curr == HealthStatus::Operational;
17	match (prev_op, curr_op) {
18	(true, false) => IncidentAction::Open,
19	(false, true) => IncidentAction::Close,
20	(false, false) => IncidentAction::CloseAndOpen,
21	(true, true) => IncidentAction::None,
22	}
23	}
24
25	#[cfg(test)]
26	mod tests {
27	use super::*;
28
29	#[test]
30	fn incident_operational_to_error_opens() {
31	assert_eq!(
32	incident_action(HealthStatus::Operational, HealthStatus::Error),
33	IncidentAction::Open,
34	);
35	}
36
37	#[test]
38	fn incident_operational_to_degraded_opens() {
39	assert_eq!(
40	incident_action(HealthStatus::Operational, HealthStatus::Degraded),
41	IncidentAction::Open,
42	);
43	}
44
45	#[test]
46	fn incident_error_to_operational_closes() {
47	assert_eq!(
48	incident_action(HealthStatus::Error, HealthStatus::Operational),
49	IncidentAction::Close,
50	);
51	}
52
53	#[test]
54	fn incident_degraded_to_operational_closes() {
55	assert_eq!(
56	incident_action(HealthStatus::Degraded, HealthStatus::Operational),
57	IncidentAction::Close,
58	);
59	}
60
61	#[test]
62	fn incident_degraded_to_error_closes_and_opens() {
63	assert_eq!(
64	incident_action(HealthStatus::Degraded, HealthStatus::Error),
65	IncidentAction::CloseAndOpen,
66	);
67	}
68
69	#[test]
70	fn incident_error_to_degraded_closes_and_opens() {
71	assert_eq!(
72	incident_action(HealthStatus::Error, HealthStatus::Degraded),
73	IncidentAction::CloseAndOpen,
74	);
75	}
76
77	#[test]
78	fn incident_operational_to_operational_none() {
79	assert_eq!(
80	incident_action(HealthStatus::Operational, HealthStatus::Operational),
81	IncidentAction::None,
82	);
83	}
84
85	#[test]
86	fn incident_error_to_error_none() {
87	assert_eq!(
88	incident_action(HealthStatus::Error, HealthStatus::Error),
89	IncidentAction::None,
90	);
91	}
92	}
93