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perf: avoid stale filter cache rebuilds

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This commit is contained in:
Jonathan Finley 2026-03-13 23:13:24 -04:00
parent 80eaccd1e6
commit be98c79007
3 changed files with 115 additions and 3 deletions
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50
test/server/controllers/LibraryController.largeLibraryBrowse.test.js
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@ -753,6 +753,56 @@ describe('LibraryController large-library browse contract', () => {
expect(Database.bookModel.count.called).to.equal(true)
})
it('refreshes an expired cache entry without rebuilding when cheap change checks show no changes', async () => {
const clock = sinon.useFakeTimers({ now: 10_000 })
Database.libraryFilterData.lib_1 = {
authors: [{ id: 'au_1', name: 'Author 1' }],
genres: [],
tags: [],
series: [{ id: 'se_1', name: 'Series 1' }],
narrators: [],
languages: [],
publishers: [],
publishedDecades: [],
bookCount: 3,
seriesCount: 1,
authorCount: 1,
podcastCount: 0,
ebookCount: 0,
numIssues: 0,
loadedAt: 1_000,
expiresAt: 2_000
}
sinon.stub(Database.bookModel, 'count')
.onFirstCall().resolves(3)
.onSecondCall().resolves(0)
sinon.stub(Database.seriesModel, 'count')
.onFirstCall().resolves(1)
.onSecondCall().resolves(0)
sinon.stub(Database.authorModel, 'count')
.onFirstCall().resolves(1)
.onSecondCall().resolves(0)
const genresFindAllStub = sinon.stub(Database.genreModel, 'findAll').resolves([])
const tagsFindAllStub = sinon.stub(Database.tagModel, 'findAll').resolves([])
const narratorsFindAllStub = sinon.stub(Database.narratorModel, 'findAll').resolves([])
const booksFindAllStub = sinon.stub(Database.bookModel, 'findAll').resolves([])
const seriesFindAllStub = sinon.stub(Database.seriesModel, 'findAll').resolves([])
const authorsFindAllStub = sinon.stub(Database.authorModel, 'findAll').resolves([])
const data = await libraryFilters.getFilterData('book', 'lib_1')
expect(data.authors).to.deep.equal([{ id: 'au_1', name: 'Author 1' }])
expect(genresFindAllStub.called).to.equal(false)
expect(tagsFindAllStub.called).to.equal(false)
expect(narratorsFindAllStub.called).to.equal(false)
expect(booksFindAllStub.called).to.equal(false)
expect(seriesFindAllStub.called).to.equal(false)
expect(authorsFindAllStub.called).to.equal(false)
expect(Database.libraryFilterData.lib_1.loadedAt).to.equal(clock.now)
expect(Database.libraryFilterData.lib_1.expiresAt).to.equal(clock.now + Database.libraryFilterDataTtlMs)
})
it('invalidates filter cache when a library write path changes library content', async () => {
Database.setLibraryFilterCache('lib_1', { authors: [] }, 60_000)
sinon.stub(Database.libraryItemModel, 'findAll').resolves([