jschoubben
97e990c8f8
Builds: design 47 G §556 (G-20 A-4) Claude-Session: https://claude.ai/code/session_01JG73KEq4zoDfM9WtYpcQgZ
24 lines
944 B
Go
24 lines
944 B
Go
package buscompose
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import (
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"slices"
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"testing"
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)
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// A reader of a stream kept last per subject is granted what an ordered consumer of that stream uses, and a reader of
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// another stream only its own durable (design 47 G §556, A-4).
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func TestAReaderOfAStreamKeptLastPerSubjectIsGrantedItsOrderedConsumer(t *testing.T) {
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p := Principal{Module: "m", Node: "a"}
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ordered := []string{"$JS.API.CONSUMER.CREATE.S", "$JS.API.CONSUMER.MSG.NEXT.S.*", "$JS.API.CONSUMER.INFO.S.*", "$JS.API.CONSUMER.DELETE.S.*"}
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last := heardGrants(p, []Heard{{Stream: "S", Filters: []string{"f"}, LastPerSubject: true}})
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for _, w := range ordered {
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if !slices.Contains(last, w) {
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t.Errorf("a last-per-subject reader is not granted %s: %v", w, last)
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}
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}
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plain := heardGrants(p, []Heard{{Stream: "S", Filters: []string{"f"}}})
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if slices.Contains(plain, ordered[0]) {
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t.Errorf("a reader of another stream is granted an ordered consumer: %v", plain)
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}
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}
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