51 lines
1.2 KiB
Go
51 lines
1.2 KiB
Go
package service
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import (
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"testing"
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"time"
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"pargar/backend/internal/models"
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)
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func TestHeartbeatCapsDelta(t *testing.T) {
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lesson := &models.Lesson{ID: 1, DurationSeconds: 100, CompletionThresholdPct: 85}
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delta := 999.0
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if delta > maxHeartbeatDelta {
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delta = maxHeartbeatDelta
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}
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if delta > float64(lesson.DurationSeconds) {
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delta = float64(lesson.DurationSeconds)
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}
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if delta != maxHeartbeatDelta {
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t.Fatalf("expected cap %v, got %v", maxHeartbeatDelta, delta)
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}
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}
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func TestHeartbeatCapsDeltaByWallClock(t *testing.T) {
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last := time.Now().Add(-2 * time.Second)
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elapsed := time.Since(last).Seconds()
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wallCap := elapsed + wallClockSlack
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delta := 15.0
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if delta > wallCap {
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delta = wallCap
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}
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if delta > maxHeartbeatDelta {
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delta = maxHeartbeatDelta
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}
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if delta > 5 {
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t.Fatalf("wall-clock cap should keep delta near ~3.5s, got %v", delta)
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}
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if delta < 2 {
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t.Fatalf("wall-clock cap too aggressive: %v", delta)
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}
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}
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func TestMaxHeartbeatDeltaConstant(t *testing.T) {
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if maxHeartbeatDelta != 15.0 {
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t.Fatalf("maxHeartbeatDelta changed unexpectedly: %v", maxHeartbeatDelta)
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}
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if wallClockSlack < 1 {
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t.Fatalf("wallClockSlack too small: %v", wallClockSlack)
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}
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}
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