claude
7e21cd06b3
Stub and LLM paths both read loop.DownServices, so the message can never name a service the predicate did not fire on. Two down at once are both named — he needs the blast radius.
48 lines
1.3 KiB
Go
48 lines
1.3 KiB
Go
package loop
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import (
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"context"
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"path/filepath"
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"testing"
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"time"
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"github.com/kami/maven/internal/store"
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)
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// The gatherer is the only impure piece, and a rule over a prefix has no keys
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// to declare at wiring time. This is the end of that path: mavpoll's per-monitor
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// facts reach the snapshot, and the rule fires on the one that is down.
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func TestGatherStateLoadsPrefixFamilies(t *testing.T) {
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ctx := context.Background()
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s, err := store.Open(ctx, filepath.Join(t.TempDir(), "loop_test.db"))
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if err != nil {
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t.Fatalf("Open: %v", err)
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}
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t.Cleanup(func() { _ = s.Close() })
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now := time.Now().UTC().Truncate(time.Millisecond)
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for key, val := range map[string]string{
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"service_down:db": "down",
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"service_down:web": "up",
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} {
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if _, err := s.SetValue(ctx, store.KindEnv, key, ServiceDownSource, val, now.Add(-time.Minute)); err != nil {
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t.Fatalf("SetValue %s: %v", key, err)
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}
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}
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rules := []Rule{ServiceDownRule()}
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st, _, err := NewGatherer(s, rules).GatherState(ctx, now)
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if err != nil {
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t.Fatalf("GatherState: %v", err)
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}
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if _, ok := st.Facts["service_down:db"]; !ok {
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t.Fatalf("prefix family not gathered: %v", st.Facts)
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}
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if got := DownServices(st); len(got) != 1 || got[0] != "db" {
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t.Fatalf("DownServices = %v, want [db]", got)
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}
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if !rules[0].Predicate(st) {
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t.Fatal("the rule must fire on a gathered per-monitor fact")
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}
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}
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