jochen
ee13e75bf3
mesh-mail's events must live on a stream of their own and reach only the modules the operator granted an account (ADR 0359 §2, §4). The controller now creates a module's declared stream, publishes its events on mesh.stream.<module>.event.<event>, and composes a consumer's durable consumer, filters and bus grants on a restricted stream only where its consumes asks and the provider's trusted value names it; a consumer that loses its grant has its consumer removed on the next assertion. Nothing changes while no manifest declares a stream.
40 lines
1.2 KiB
Go
40 lines
1.2 KiB
Go
package main
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import (
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"encoding/json"
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"testing"
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"github.com/novox/mesh-controller/internal/broker"
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)
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// A membership issued again for what it hears changes nothing else of it (novox/hq ADR 0363 §6).
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func TestAMembershipIssuedAgainChangesOnlyWhatItHears(t *testing.T) {
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issued := []byte(`{"node":"ace","module":"reader","receives":{"x":[1]},"emits":"mesh.mod.reader.event.{event}"}`)
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hears := []broker.HeardIssued{{Stream: "MAIL", Consumer: "ace_reader"}}
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body, changed, err := withHearing(issued, hears)
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if err != nil || !changed {
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t.Fatalf("changed %v, %v", changed, err)
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}
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var got map[string]any
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if err := json.Unmarshal(body, &got); err != nil {
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t.Fatal(err)
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}
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if got["receives"] == nil || got["emits"] != "mesh.mod.reader.event.{event}" || got["hears"] == nil {
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t.Fatalf("issued again as %s", body)
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}
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if _, again, _ := withHearing(body, hears); again {
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t.Fatal("the same hearing issued again counts as a change")
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}
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gone, changed, err := withHearing(body, nil)
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if err != nil || !changed {
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t.Fatalf("a withdrawal: %v, %v", changed, err)
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}
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got = nil
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if err := json.Unmarshal(gone, &got); err != nil {
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t.Fatal(err)
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}
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if _, still := got["hears"]; still {
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t.Fatalf("a withdrawn hearing is still issued: %s", gone)
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}
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}
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