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import { describe, expect, test } from "bun:test"
import {
clearSessionPrefetch,
clearSessionPrefetchDirectory,
getSessionPrefetch,
runSessionPrefetch,
setSessionPrefetch,
} from "./session-prefetch"
describe("session prefetch", () => {
test("stores and clears message metadata by directory", () => {
clearSessionPrefetch("/tmp/a", ["ses_1"])
clearSessionPrefetch("/tmp/b", ["ses_1"])
setSessionPrefetch({
directory: "/tmp/a",
sessionID: "ses_1",
limit: 200,
complete: false,
at: 123,
})
expect(getSessionPrefetch("/tmp/a", "ses_1")).toEqual({ limit: 200, complete: false, at: 123 })
expect(getSessionPrefetch("/tmp/b", "ses_1")).toBeUndefined()
clearSessionPrefetch("/tmp/a", ["ses_1"])
expect(getSessionPrefetch("/tmp/a", "ses_1")).toBeUndefined()
})
test("dedupes inflight work", async () => {
clearSessionPrefetch("/tmp/c", ["ses_2"])
let calls = 0
const run = () =>
runSessionPrefetch({
directory: "/tmp/c",
sessionID: "ses_2",
task: async () => {
calls += 1
return { limit: 100, complete: true, at: 456 }
},
})
const [a, b] = await Promise.all([run(), run()])
expect(calls).toBe(1)
expect(a).toEqual({ limit: 100, complete: true, at: 456 })
expect(b).toEqual({ limit: 100, complete: true, at: 456 })
})
test("clears a whole directory", () => {
setSessionPrefetch({ directory: "/tmp/d", sessionID: "ses_1", limit: 10, complete: true, at: 1 })
setSessionPrefetch({ directory: "/tmp/d", sessionID: "ses_2", limit: 20, complete: false, at: 2 })
setSessionPrefetch({ directory: "/tmp/e", sessionID: "ses_1", limit: 30, complete: true, at: 3 })
clearSessionPrefetchDirectory("/tmp/d")
expect(getSessionPrefetch("/tmp/d", "ses_1")).toBeUndefined()
expect(getSessionPrefetch("/tmp/d", "ses_2")).toBeUndefined()
expect(getSessionPrefetch("/tmp/e", "ses_1")).toEqual({ limit: 30, complete: true, at: 3 })
})
})
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