81 lines
2.1 KiB
JavaScript
81 lines
2.1 KiB
JavaScript
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import assert from "node:assert/strict";
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import test from "node:test";
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import { FrameCache } from "../src/host/frame-cache.ts";
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test("retains opted-in iframe identities across navigation", () => {
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const cache = new FrameCache("services", {
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maxKeepAliveEntries: 2,
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shouldKeepAlive: (view) => view === "services" || view === "settings",
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});
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const services = cache.snapshot()[0];
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const away = cache.activate("overview");
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assert.deepEqual(
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away.entries.map((entry) => entry.view),
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["services", "overview"],
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);
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const back = cache.activate("services");
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assert.equal(back.activated, services);
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assert.equal(back.activated.instance, services.instance);
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assert.deepEqual(
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back.removed.map((entry) => entry.view),
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["overview"],
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);
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});
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test("recreates non-keep-alive documents after leaving them", () => {
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const cache = new FrameCache("overview", {
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maxKeepAliveEntries: 2,
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shouldKeepAlive: () => false,
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});
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const firstInstance = cache.snapshot()[0].instance;
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cache.activate("activity");
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const transition = cache.activate("overview");
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assert.notEqual(transition.activated.instance, firstInstance);
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assert.deepEqual(
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transition.removed.map((entry) => entry.view),
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["activity"],
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);
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});
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test("evicts inactive keep-alive documents in LRU order", () => {
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const cache = new FrameCache("services", {
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maxKeepAliveEntries: 2,
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shouldKeepAlive: () => true,
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});
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const servicesInstance = cache.snapshot()[0].instance;
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cache.activate("settings");
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const overflow = cache.activate("instances");
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assert.deepEqual(
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overflow.removed.map((entry) => entry.view),
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["services"],
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);
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assert.deepEqual(
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overflow.entries.map((entry) => entry.view),
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["settings", "instances"],
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);
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const recreated = cache.activate("services");
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assert.notEqual(recreated.activated.instance, servicesInstance);
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assert.deepEqual(
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recreated.removed.map((entry) => entry.view),
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["settings"],
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);
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});
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test("rejects invalid keep-alive limits", () => {
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assert.throws(
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() =>
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new FrameCache("overview", {
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maxKeepAliveEntries: -1,
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shouldKeepAlive: () => true,
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}),
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RangeError,
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);
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});
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