42 lines
1.9 KiB
Go
42 lines
1.9 KiB
Go
package link
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import (
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"testing"
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)
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// **A reader's own consumer gone is not a consumer lost**: every bucket watch and stream read-back
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// makes and deletes one, many a minute, and the bus says so each time (found running the controller
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// against a real bus: five a tick).
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func TestOnlyTheMeshsOwnConsumersAreSaidLost(t *testing.T) {
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deleted := func(stream, consumer string) bool {
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_, ok := ReadAdvisory("$JS.EVENT.ADVISORY.CONSUMER.DELETED."+stream+"."+consumer,
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[]byte(`{"type":"io.nats.jetstream.advisory.v1.consumer_action","stream":"`+stream+`","consumer":"`+consumer+`","action":"delete"}`))
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return ok
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}
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for _, c := range [][2]string{{"EVENTS", "controller"}, {"CONTROL", "controller"}, {"NODES", "anchor"},
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{"EVENTS", "anchor_shop"}, {"SEAT_NODE_BUILD_AGENT", "SEAT_NODE_BUILD_AGENT_worker"}} {
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if !deleted(c[0], c[1]) {
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t.Errorf("%s on %s deleted is not said", c[1], c[0])
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}
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}
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for _, c := range [][2]string{{"KV_mesh-controller_conditions", "381UWW5Y"}, {"EVENTS", "E7vVYoe6"},
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{"SEAT_NODE_BUILD_AGENT", "Rcnt6jla"}, {"ASSIGNMENTS", "x"}} {
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if deleted(c[0], c[1]) {
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t.Errorf("a reader's own consumer %s on %s is said lost", c[1], c[0])
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}
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}
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a, ok := ReadAdvisory("$JS.EVENT.ADVISORY.CONSUMER.MAX_DELIVERIES.EVENTS.anchor_shop",
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[]byte(`{"stream":"EVENTS","consumer":"anchor_shop","stream_seq":7,"deliveries":5}`))
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if !ok || a.Kind != AdvisoryMaxDeliveries || a.ID != "EVENTS.anchor_shop" ||
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a.Said != "how shop on anchor hears what it consumes handed message 7 over 5 times and gave up on it: "+
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"what it asked for was not done, and the controller keeps it in DEAD_LETTERS until it is delivered "+
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"again or dropped" {
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t.Fatalf("%+v", a)
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}
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}
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// **A question the bus refuses is answered as refused at once**, not after its timeout: against a
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// server whose only user may not publish where it asks.
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// The refusal reaches whoever waits on that subject, and only them.
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