jochen
9b7f9a7fd2
ConsumersOf's carried-module path (a module the tool runner carries, no account of its own — mesh-mail's real shape) was not passing Queues through, so its work-queue consumer was missing from the composed list and PruneHeard would have removed what issueProcess made for it. Fixed, with a test through Users -> ConsumersOf. Extracted EnsureStream's config building into StreamConfigFor, a pure function, so the dead-letters test can assert the restricted metadata EnsureStream would actually send for a work-queue stream instead of setting the dead letter's header by hand, which passed whether or not modstreams.go's out.Restricted = true was there at all.
70 lines
3.1 KiB
Go
70 lines
3.1 KiB
Go
package link
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import (
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"strings"
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"testing"
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"time"
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"github.com/nats-io/nats.go"
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"github.com/novox/mesh-controller/internal/broker"
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)
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// A work-queue stream's dead letters are kept and shown as a restricted stream's are — aged with the
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// stream, never with their body or headers — and can only be dropped, never delivered again (novox/hq ADR
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// 0436 §6, changing ADR 0363 §7 for such a stream).
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// review round 1, finding 6 (1178/AC3): a work-queue stream really is restricted on the bus — its own
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// Stream() says so, and that is what EnsureStream's config sets the metadata from (jetstream.go's
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// streamConfigFor) — not merely a header this test set by hand, which would still pass with
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// modstreams.go's `out.Restricted = true` removed.
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func TestAWorkQueueStreamIsRestrictedOnTheBus(t *testing.T) {
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mailSends := broker.ModuleStream{Module: "mesh-mail", Name: "MAIL_SENDS", Events: []string{"mail.send.approved"},
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MaxAgeDays: 1, MaxMiB: 8, WorkQueue: true, Duplicates: 1}
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stream := mailSends.Stream()
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if !stream.Restricted {
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t.Fatalf("a work-queue stream's own Stream() is not restricted: %+v", stream)
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}
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cfg := broker.StreamConfigFor(stream)
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if cfg.Metadata[broker.RestrictedMetadata] != "true" {
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t.Fatalf("the server config EnsureStream would send does not carry the restricted metadata: %+v", cfg.Metadata)
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}
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}
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// 1178/AC3: a dead letter's headers say it came from a work-queue stream, and reading it back carries that
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// (and the restricted flag its aging and hiding already key off, deadLetterOf being the one place both are
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// read: see DeadLetter.Restricted's doc).
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func TestAWorkQueueDeadLettersHeaderIsReadBack(t *testing.T) {
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agesOut := time.Now().Add(time.Hour).UTC()
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h := nats.Header{}
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h.Set(DeadHeaderStream, "MAIL_SENDS")
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h.Set(DeadHeaderConsumer, "novox_mesh-mail_send")
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h.Set(DeadHeaderSubject, "mesh.stream.mesh-mail.event.mail.send.approved")
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h.Set(DeadHeaderRestricted, "true")
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h.Set(DeadHeaderWorkQueue, "true")
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h.Set(DeadHeaderAgesOut, agesOut.Format(time.RFC3339Nano))
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d := deadLetterOf(42, "mesh.stream.mesh-mail.event.mail.send.approved", h, []byte("secret body"), false)
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if !d.WorkQueue {
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t.Fatalf("a work-queue dead letter read as %+v", d)
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}
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if !d.Restricted {
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t.Fatalf("a work-queue dead letter is not read as restricted, so it would be shown with its body: %+v", d)
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}
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if !d.AgesOut.Equal(agesOut) {
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t.Fatalf("ages out at %v, want %v — it should age with its stream", d.AgesOut, agesOut)
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}
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}
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// 1178/AC3: asking to deliver a work-queue dead letter again is refused, naming ADR 0436 clause 6 — before
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// anything is asked of the bus, so it holds whatever max-deliver or age is left.
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func TestAWorkQueueDeadLetterIsNeverDeliveredAgain(t *testing.T) {
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d := DeadLetter{ID: 7, Stream: "MAIL_SENDS", Consumer: "novox_mesh-mail_send",
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Subject: "mesh.stream.mesh-mail.event.mail.send.approved", WorkQueue: true, Restricted: true,
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AgesOut: time.Now().Add(time.Hour)}
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if _, err := AgainTo(nil, d); err == nil || !strings.Contains(err.Error(), "ADR 0436 clause 6") ||
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!strings.Contains(err.Error(), "Drop it") {
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t.Fatalf("delivering a work-queue dead letter again: %v; want a refusal naming ADR 0436 clause 6", err)
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}
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}
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