55 lines
2.5 KiB
Go
55 lines
2.5 KiB
Go
package broker_test
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import (
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"slices"
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"testing"
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"github.com/novox/mesh-controller/internal/broker"
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"github.com/novox/mesh-controller/internal/catalogue"
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"github.com/novox/mesh-controller/internal/conditions"
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"github.com/novox/mesh-controller/internal/link"
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)
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// The facts the control plane states are named twice — in the grant that permits them and in the code
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// that states them — because `link` imports `broker` and the dependency cannot go the other way. So a
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// test keeps them agreeing: a subject the grant omits is refused at the moment the mesh has something
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// to say, and one the grant adds that nothing states is authority nobody uses.
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//
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// An external test package, because it may import both while neither imports the other.
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func TestTheFactsTheGrantPermitsAreTheFactsTheMeshStates(t *testing.T) {
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if broker.ControllerSeat != link.MeshControllerSeat {
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t.Fatalf("the grant is written for the %q seat and the mesh states its facts under %q",
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broker.ControllerSeat, link.MeshControllerSeat)
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}
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// And what is wrong, as it changes, and the self-check's heartbeat (novox/hq to-be 45 §2, §4).
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states := append([]string{link.KeyApplied, link.KeyRefused, link.KeyBuiltBefore}, conditions.Events...)
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states = append(states, conditions.HeartbeatEvent)
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// And a value given by hand, replaced after its module's first good start (novox/hq ADR 0228).
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states = append(states, link.KeySecretReplaced)
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// And every act a healer takes (novox/hq to-be 45 §7).
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states = append(states, link.KeyHealerActed)
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// And a build put back after its gate failed (novox/hq ADR 0236).
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states = append(states, link.KeyRolledBack)
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for _, event := range states {
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if !slices.Contains(broker.ControllerStates, event) {
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t.Errorf("the mesh states %q and its account may not publish it", event)
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}
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}
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if len(broker.ControllerStates) != len(states) {
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t.Errorf("the grant permits %v, which is more than the mesh states", broker.ControllerStates)
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}
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// **And the seat says it.** A seat carries the protocol of its role (novox/hq ADR 0129), so the
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// facts the control plane states are the seat's `emits` — which is what lets anything else declare
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// that it consumes them, and what the subject-agreement check reads to know they have an owner.
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var declared []string
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for _, seat := range catalogue.SeatsWithAProtocol() {
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if seat.Name == broker.ControllerSeat {
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declared = seat.Emits
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}
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}
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if !slices.Equal(declared, broker.ControllerStates) {
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t.Errorf("the %s seat emits %v and the grant permits %v", broker.ControllerSeat,
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declared, broker.ControllerStates)
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}
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}
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