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191 lines
5 KiB
TypeScript
191 lines
5 KiB
TypeScript
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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import {
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assert,
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assertEquals,
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assertFalse,
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assertRejects,
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assertThrows,
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} from "./test_util.ts";
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Deno.test(async function cacheStorage() {
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const cacheName = "cache-v1";
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const _cache = await caches.open(cacheName);
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assert(await caches.has(cacheName));
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assert(await caches.delete(cacheName));
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assertFalse(await caches.has(cacheName));
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});
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Deno.test(async function cacheApi() {
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const cacheName = "cache-v1";
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const cache = await caches.open(cacheName);
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// Test cache.put() with url string as key.
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{
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const req = "https://deno.com";
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await cache.put(req, new Response("deno.com - key is string"));
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const res = await cache.match(req);
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assertEquals(await res?.text(), "deno.com - key is string");
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assert(await cache.delete(req));
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}
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// Test cache.put() with url instance as key.
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{
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const req = new URL("https://deno.com");
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await cache.put(req, new Response("deno.com - key is URL"));
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const res = await cache.match(req);
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assertEquals(await res?.text(), "deno.com - key is URL");
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assert(await cache.delete(req));
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}
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// Test cache.put() with request instance as key.
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{
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const req = new Request("https://deno.com");
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await cache.put(req, new Response("deno.com - key is Request"));
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const res = await cache.match(req);
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assertEquals(await res?.text(), "deno.com - key is Request");
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assert(await cache.delete(req));
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}
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// Test cache.put() throws with response Vary header set to *.
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{
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const req = new Request("https://deno.com");
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assertRejects(
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async () => {
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await cache.put(
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req,
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new Response("deno.com - key is Request", {
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headers: { Vary: "*" },
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}),
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);
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},
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TypeError,
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"Vary header must not contain '*'",
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);
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}
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// Test cache.match() with same url but different values for Vary header.
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{
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await cache.put(
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new Request("https://example.com/", {
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headers: {
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"Accept": "application/json",
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},
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}),
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Response.json({ msg: "hello world" }, {
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headers: {
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"Content-Type": "application/json",
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"Vary": "Accept",
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},
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}),
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);
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const res = await cache.match("https://example.com/");
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assertEquals(res, undefined);
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const res2 = await cache.match(
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new Request("https://example.com/", {
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headers: { "Accept": "text/html" },
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}),
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);
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assertEquals(res2, undefined);
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const res3 = await cache.match(
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new Request("https://example.com/", {
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headers: { "Accept": "application/json" },
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}),
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);
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assertEquals(await res3?.json(), { msg: "hello world" });
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}
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assert(await caches.delete(cacheName));
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assertFalse(await caches.has(cacheName));
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});
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Deno.test(function cacheIllegalConstructor() {
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assertThrows(() => new Cache(), TypeError, "Illegal constructor");
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// @ts-expect-error illegal constructor
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assertThrows(() => new Cache("foo", "bar"), TypeError, "Illegal constructor");
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});
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Deno.test(async function cachePutReaderLock() {
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const cacheName = "cache-v1";
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const cache = await caches.open(cacheName);
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const response = new Response("consumed");
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const promise = cache.put(
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new Request("https://example.com/"),
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response,
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);
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await assertRejects(
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async () => {
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await response.arrayBuffer();
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},
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TypeError,
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"Body already consumed.",
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);
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await promise;
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});
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Deno.test(async function cachePutResourceLeak() {
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const cacheName = "cache-v1";
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const cache = await caches.open(cacheName);
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const stream = new ReadableStream({
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start(controller) {
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controller.error(new Error("leak"));
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},
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});
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await assertRejects(
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async () => {
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await cache.put(
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new Request("https://example.com/leak"),
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new Response(stream),
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);
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},
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Error,
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"leak",
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);
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});
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Deno.test(async function cachePutFailedBody() {
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const cacheName = "cache-v1";
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const cache = await caches.open(cacheName);
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const request = new Request("https://example.com/failed-body");
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const stream = new ReadableStream({
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start(controller) {
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controller.error(new Error("corrupt"));
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},
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});
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await assertRejects(
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async () => {
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await cache.put(
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request,
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new Response(stream),
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);
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},
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Error,
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"corrupt",
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);
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const response = await cache.match(request);
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// if it fails to read the body, the cache should be empty
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assertEquals(response, undefined);
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});
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Deno.test(async function cachePutOverwrite() {
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const cacheName = "cache-v1";
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const cache = await caches.open(cacheName);
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const request = new Request("https://example.com/overwrite");
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const res1 = new Response("res1");
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const res2 = new Response("res2");
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await cache.put(request, res1);
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const res = await cache.match(request);
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assertEquals(await res?.text(), "res1");
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await cache.put(request, res2);
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const res_ = await cache.match(request);
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assertEquals(await res_?.text(), "res2");
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});
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