Pinafore-Web-Client-Frontend/tests/unit/test-media-cache.mjs

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/* global it describe beforeEach */
import '../indexedDBShims.js'
import assert from 'assert'
import {
getCachedMediaFile, setCachedMediaFile, deleteCachedMediaFile, getAllCachedFileIds, setDeleteCachedMediaFilesAfter, DELETE_AFTER
} from '../../src/routes/_database/mediaUploadFileCache.js'
describe('test-database.js', function () {
this.timeout(60000)
beforeEach(async () => {
for (const key of await getAllCachedFileIds()) {
await deleteCachedMediaFile(key)
}
setDeleteCachedMediaFilesAfter(DELETE_AFTER)
})
it('can store media files', async () => {
await setCachedMediaFile('woot', 'woot')
const result = await getCachedMediaFile('woot')
assert.deepStrictEqual(result, 'woot')
await deleteCachedMediaFile('woot')
const result2 = await getCachedMediaFile('woot')
assert.deepStrictEqual(result2, undefined)
})
it('does nothing if you set() the same id twice', async () => {
await setCachedMediaFile('woot', 'woot')
await setCachedMediaFile('woot', 'woot2')
const result = await getCachedMediaFile('woot')
assert.deepStrictEqual(result, 'woot')
})
it('returns undefined if not found', async () => {
const result = await getCachedMediaFile('woot')
assert.deepStrictEqual(result, undefined)
})
it('does nothing when deleting an unfound key', async () => {
await deleteCachedMediaFile('doesnt-exist')
})
it('only stores up to 4 files', async () => {
for (let i = 0; i < 10; i++) {
await new Promise(resolve => setTimeout(resolve, 4)) // delay to avoid timing collisions
await setCachedMediaFile(i.toString(), i)
}
const ids = await getAllCachedFileIds()
assert.deepStrictEqual(ids, [6, 7, 8, 9].map(_ => _.toString()))
})
it('deletes old files during set()', async () => {
setDeleteCachedMediaFilesAfter(0)
await setCachedMediaFile('woot', 'woot')
await setCachedMediaFile('woot2', 'woot2')
assert.deepStrictEqual(await getCachedMediaFile('woot'), undefined)
assert.deepStrictEqual(await getCachedMediaFile('woot2'), 'woot2')
})
})