Sacha
53 lines
1.9 KiB
Swift
53 lines
1.9 KiB
Swift
import XCTest
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@testable import HaptikaSignal
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final class PPGCoherencePolicyTests: XCTestCase {
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func testSessionDurationLimitsRemainPurposeSpecific() {
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XCTAssertEqual(PPGCoherencePolicy.maximumDurationSeconds(isCoherence: false), 120)
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XCTAssertEqual(PPGCoherencePolicy.maximumDurationSeconds(isCoherence: true), 300)
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XCTAssertEqual(PPGCoherencePolicy.coherenceBufferDurationSeconds, 75)
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}
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func testLiveTrackerPublishesEveryNewBeatOnlyOnce() {
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var tracker = PPGLiveBeatTracker()
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let first = tracker.ingest([
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interval(end: 1, duration: 800), interval(end: 1.8, duration: 800),
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])
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XCTAssertEqual(first.map(\.sequence), [1, 2])
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let overlapping = tracker.ingest([
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interval(end: 1.82, duration: 800), interval(end: 2.6, duration: 780),
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])
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XCTAssertEqual(overlapping.map(\.sequence), [3])
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XCTAssertEqual(overlapping.first?.timestampSeconds, 2.6)
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}
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func testTrackerDoesNotMoveBackwardAndResetsCleanly() {
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var tracker = PPGLiveBeatTracker()
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_ = tracker.ingest([interval(end: 10, duration: 700)])
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XCTAssertTrue(tracker.ingest([interval(end: 9.9, duration: 700)]).isEmpty)
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tracker.reset()
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XCTAssertEqual(tracker.ingest([interval(end: 1, duration: 700)]).first?.sequence, 1)
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}
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func testTrackerRejectsInvalidAndRejectedIntervals() {
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var tracker = PPGLiveBeatTracker()
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let rejected = PulseInterval(
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sourceIndex: 0, startSeconds: 0, endSeconds: 1,
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durationMilliseconds: 800, rejectionReason: .localOutlier, qualityScore: 1
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)
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XCTAssertTrue(tracker.ingest([
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rejected, interval(end: .nan, duration: 800), interval(end: 2, duration: 2_500),
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]).isEmpty)
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}
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private func interval(end: Double, duration: Double) -> PulseInterval {
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PulseInterval(
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sourceIndex: 0,
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startSeconds: end - duration / 1_000,
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endSeconds: end,
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durationMilliseconds: duration,
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qualityScore: 0.9
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)
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}
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}
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