58 lines
2.0 KiB
TypeScript
58 lines
2.0 KiB
TypeScript
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import assert from "node:assert/strict";
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import test from "node:test";
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import {
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MAX_SHARED_REMOTE_HOST_CACHE_ENTRIES,
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MAX_SHARED_REMOTE_HOST_CACHE_FILES,
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_getSharedRemoteHostCacheStatsForTests,
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_resetSharedRemoteHostCacheForTests,
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getSharedRemoteHostCache,
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setSharedRemoteHostCache,
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} from "./sharedRemoteHostCache";
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const files = (count: number) => Array.from({ length: count }, (_value, index) => ({
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name: `file-${index}`,
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})) as never[];
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const entry = (fileCount: number) => ({
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path: "/",
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homeDir: "/",
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files: files(fileCount),
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filenameEncoding: "utf-8" as const,
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});
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test("shared host cache is bounded across many different hosts", () => {
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_resetSharedRemoteHostCacheForTests();
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for (let index = 0; index < MAX_SHARED_REMOTE_HOST_CACHE_ENTRIES + 20; index += 1) {
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setSharedRemoteHostCache(`host-${index}`, entry(1));
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}
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assert.equal(_getSharedRemoteHostCacheStatsForTests().entries, MAX_SHARED_REMOTE_HOST_CACHE_ENTRIES);
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assert.equal(getSharedRemoteHostCache("host-0"), null);
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assert.ok(getSharedRemoteHostCache(`host-${MAX_SHARED_REMOTE_HOST_CACHE_ENTRIES + 19}`));
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});
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test("shared host cache is bounded by retained file rows", () => {
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_resetSharedRemoteHostCacheForTests();
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const perHost = Math.floor(MAX_SHARED_REMOTE_HOST_CACHE_FILES * 0.6);
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setSharedRemoteHostCache("large-a", entry(perHost));
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setSharedRemoteHostCache("large-b", entry(perHost));
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assert.deepEqual(_getSharedRemoteHostCacheStatsForTests(), {
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entries: 1,
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files: perHost,
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});
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assert.equal(getSharedRemoteHostCache("large-a"), null);
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assert.ok(getSharedRemoteHostCache("large-b"));
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});
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test("shared host cache skips one listing larger than the global file budget", () => {
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_resetSharedRemoteHostCacheForTests();
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setSharedRemoteHostCache("oversized", entry(MAX_SHARED_REMOTE_HOST_CACHE_FILES + 1));
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assert.deepEqual(_getSharedRemoteHostCacheStatsForTests(), {
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entries: 0,
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files: 0,
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});
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assert.equal(getSharedRemoteHostCache("oversized"), null);
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});
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