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Pin the one path that reaches an absent fabric-scoped list #4371

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mergify merged 2 commits into from
Aug 30, 2026
Merged

Pin the one path that reaches an absent fabric-scoped list #4371

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test(node): pin the one path that reaches an absent fabric-scoped list
Apollon77 Aug 30, 2026
342195a
Merge branch 'main' into test/absent-fabric-scoped-list
Apollon77 Aug 30, 2026
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17 changes: 17 additions & 0 deletions packages/node/test/behavior/state/managed/values/ListManagerTest.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@
*/

import { ActionContext } from "#behavior/context/ActionContext.js";
import { LocalActorContext } from "#behavior/context/server/LocalActorContext.js";
import { MaybePromise } from "@matter/general";
import { ConformanceError, Val } from "@matter/protocol";
import { FabricIndex, NodeId } from "@matter/types";
Expand Down Expand Up @@ -576,6 +577,22 @@ describe("ListManager", () => {
}, {});
});

// A behavior populating a fabric-scoped attribute at startup has no session, so nothing supplies the fabric
it("refuses an entry stored with no session to supply the fabric", async () => {
const struct = TestStruct(
{ list: listOf(structOf({ fabricIndex: "FabricIndex", value: "uint8" }), { access: "F" }) },
{},
);

await LocalActorContext.act("test", async cx => {
const ref = struct.reference(cx);
expect(() => (ref.list = [{ value: 1 }])).throw(ConformanceError);
expect(ref.list).undefined;
});

expect(struct.fields.list).undefined;
});

it("supplies the accessing fabric for an entry that omits it", async () => {
await testMandatoryFabricIndex(list => {
list[0] = { value: 3 };
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