25 lines
1.5 KiB
JavaScript
25 lines
1.5 KiB
JavaScript
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import test from "node:test";
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import assert from "node:assert/strict";
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import {createMigrationContext, migrationObjectId} from "../dist/migration.js";
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test("migration context offers restricted ports and deterministic helper identities", () => {
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const input = {schemaVersion: 1, executionId: "operation:transition", exportId: "migrate", ports: [
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{name: "old", binding: "slot:name", view: "old", access: ["read"], states: [{objectId: "obj:one", value: "Alice"}]},
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{name: "new", binding: "slot:name", view: "new", access: ["write"]}, {name: "newRead", binding: "slot:name", view: "new", access: ["read"]},
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{name: "helpers", binding: "atom:helper", view: "new", access: ["create"]},
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]};
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const {context, result} = createMigrationContext(input);
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assert.equal(context.read("old", "obj:one"), "Alice");
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assert.throws(() => context.write("old", "obj:one", "Bob"), /does not grant/);
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assert.throws(() => context.read("new", "obj:one"), /does not grant/);
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context.write("new", "obj:one", "Alice");
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assert.equal(context.read("newRead", "obj:one"), "Alice");
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context.write("new", "obj:one", "Bob");
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assert.equal(context.read("newRead", "obj:one"), "Bob");
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assert.equal(context.read("old", "obj:one"), "Alice");
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const helper = context.create("helpers", "one");
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assert.equal(helper, migrationObjectId(input.executionId, "helpers", "one"));
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assert.equal(context.create("helpers", "one"), helper);
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assert.equal(result().creates.length, 1);
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assert.deepEqual(input.ports[0].states, [{objectId: "obj:one", value: "Alice"}]);
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});
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