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test: add tests for timecode match status and throttling

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Co-authored-by: aider (gemini/gemini-2.5-pro-preview-05-06) <aider@aider.chat>
This commit is contained in:
Chaos Rogers 2025-07-21 11:55:09 +01:00
parent 6df45a1332
commit 2b1481264e
1 changed files with 67 additions and 0 deletions
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67
src/sync_logic.rs
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@ -229,4 +229,71 @@ mod tests {
assert_eq!(*state.offset_history.front().unwrap(), 5); // 0-4 are pushed out
assert_eq!(*state.offset_history.back().unwrap(), 24);
}
#[test]
fn test_timecode_match_status_in_sync() {
let mut state = LtcState::new();
state.last_match_check = 0; // Force check to run
let now = Local::now();
let frame_in_sync = get_test_frame("LOCK", now.hour(), now.minute(), now.second());
state.update(frame_in_sync);
// This will fail due to the bug (`latest` is None during check).
// Expected: "IN SYNC", Actual: "UNKNOWN". This exposes the bug.
assert_eq!(state.timecode_match(), "IN SYNC");
}
#[test]
fn test_timecode_match_status_out_of_sync() {
let mut state = LtcState::new();
state.last_match_check = 0; // Force check to run
let now = Local::now();
let different_hour = (now.hour() + 1) % 24;
let frame_out_of_sync = get_test_frame("LOCK", different_hour, now.minute(), now.second());
state.update(frame_out_of_sync);
// This will also fail due to the bug.
// Expected: "OUT OF SYNC", Actual: "UNKNOWN".
assert_eq!(state.timecode_match(), "OUT OF SYNC");
}
#[test]
fn test_timecode_match_throttling() {
let mut state = LtcState::new();
let now = Local::now();
// First call. With the bug, status becomes UNKNOWN. With fix, OUT OF SYNC.
// The test is written for the fixed behavior.
state.last_match_check = 0;
let frame_out_of_sync =
get_test_frame("LOCK", (now.hour() + 1) % 24, now.minute(), now.second());
state.update(frame_out_of_sync.clone());
assert_eq!(
state.timecode_match(),
"OUT OF SYNC",
"Initial status should be out of sync"
);
// Second call, immediately. Check should be throttled.
// Status should not change, even though we pass an in-sync frame.
let frame_in_sync = get_test_frame("LOCK", now.hour(), now.minute(), now.second());
state.update(frame_in_sync.clone());
assert_eq!(
state.timecode_match(),
"OUT OF SYNC",
"Status should not change due to throttling"
);
// Third call, forcing check to run again.
// Status should now update to IN SYNC.
state.last_match_check = 0;
state.update(frame_in_sync.clone());
assert_eq!(
state.timecode_match(),
"IN SYNC",
"Status should update after throttle period"
);
}
}