notify/session_state_test.go

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package notify
import (
"context"
"errors"
"sync"
"sync/atomic"
"testing"
)
func TestSessionIsAliveHandlesUninitializedValue(t *testing.T) {
var alive atomic.Value
if sessionIsAlive(&alive) {
t.Fatal("uninitialized alive should be false")
}
}
func TestSessionMarkStartedUpdatesAliveAndStatus(t *testing.T) {
var alive atomic.Value
alive.Store(false)
status := Status{Alive: false, Reason: "old", Err: errors.New("old")}
var mu sync.Mutex
sessionMarkStarted(&alive, &mu, &status)
gotAlive, _ := alive.Load().(bool)
if !gotAlive {
t.Fatal("alive not marked true")
}
if !status.Alive || status.Reason != "" || status.Err != nil {
t.Fatalf("unexpected status after start: %+v", status)
}
}
func TestSessionMarkStoppedRunsCleanupAndStop(t *testing.T) {
var alive atomic.Value
alive.Store(true)
status := Status{Alive: true}
stopCtx, stopFn := context.WithCancel(context.Background())
defer stopFn()
cleanupCalls := 0
boom := errors.New("boom")
sessionMarkStopped(&alive, nil, &status, "stopped", boom, stopFn,
func() { cleanupCalls++ },
func() { cleanupCalls++ },
)
gotAlive, _ := alive.Load().(bool)
if gotAlive {
t.Fatal("alive not marked false")
}
if status.Alive || status.Reason != "stopped" || !errors.Is(status.Err, boom) {
t.Fatalf("unexpected status after stop: %+v", status)
}
if cleanupCalls != 2 {
t.Fatalf("cleanupCalls = %d, want 2", cleanupCalls)
}
select {
case <-stopCtx.Done():
default:
t.Fatal("stop function was not called")
}
}
func TestSessionStatusValueReturnsCopy(t *testing.T) {
status := Status{Alive: true, Reason: "ok"}
var mu sync.Mutex
snapshot := sessionStatusValue(&mu, &status)
status.Reason = "changed"
if snapshot.Reason != "ok" {
t.Fatalf("snapshot.Reason = %q, want ok", snapshot.Reason)
}
}