opencode / packages /app /src /context /global-sync /home-session-index.test.ts
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import { describe, expect, test } from "bun:test"
import { QueryClient } from "@tanstack/solid-query"
import type { Session, SessionV2Info } from "@opencode-ai/sdk/v2/client"
import {
applyHomeSessionEvent,
appendHomeSessionEvent,
createHomeSessionIndexCache,
HOME_V2_SESSION_PAGE_LIMIT,
loadHomeSessionIndex,
homeSessionIndexSessions,
homeSessionIndexRefresh,
parseHomeSessionIndex,
retainHomeSessions,
} from "./home-session-index"
const session = (input: {
id: string
directory?: string
parentID?: string
archived?: number
updated?: number
}) => ({
id: input.id,
parentID: input.parentID,
projectID: "project",
cost: 0,
tokens: { input: 0, output: 0, reasoning: 0, cache: { read: 0, write: 0 } },
time: { created: 1, updated: input.updated ?? 1, archived: input.archived },
title: input.id,
location: { directory: input.directory ?? "/project" },
})
describe("Home V2 session index", () => {
test("loads the Home index with one global V2 request", async () => {
const calls: unknown[] = []
const result = await loadHomeSessionIndex(async (input) => {
calls.push(input)
return { data: { data: [session({ id: "root" })], cursor: {} } }
})
expect(result.sessions).toHaveLength(1)
expect(calls).toEqual([{ limit: HOME_V2_SESSION_PAGE_LIMIT, order: "desc" }])
})
test("loads subsequent pages until the session index is complete", async () => {
const calls: unknown[] = []
const controller = new AbortController()
const result = await loadHomeSessionIndex(
async (input, options) => {
calls.push({ input, signal: options.signal })
if (!("cursor" in input)) {
return {
data: {
data: Array.from({ length: HOME_V2_SESSION_PAGE_LIMIT }, (_, index) =>
session({ id: `page-1-${index}` }),
),
cursor: { next: "next-page" },
},
}
}
return { data: { data: [session({ id: "page-2" })], cursor: {} } }
},
0,
controller.signal,
)
expect(result.sessions).toHaveLength(HOME_V2_SESSION_PAGE_LIMIT + 1)
expect(calls).toEqual([
{ input: { limit: HOME_V2_SESSION_PAGE_LIMIT, order: "desc" }, signal: controller.signal },
{
input: { limit: HOME_V2_SESSION_PAGE_LIMIT, order: "desc", cursor: "next-page" },
signal: controller.signal,
},
])
})
test("maps visible roots to Home session summaries", () => {
const activeNull = {
...session({ id: "active-null", updated: 20 }),
time: { created: 1, updated: 20, archived: null },
} as unknown as SessionV2Info
const result = parseHomeSessionIndex([
session({ id: "root", updated: 30 }),
activeNull,
session({ id: "child", parentID: "root", updated: 40 }),
session({ id: "archived", archived: 50, updated: 50 }),
])
expect(result).toEqual([
expect.objectContaining({
id: "root",
slug: "root",
version: "",
directory: "/project",
projectID: "project",
title: "root",
time: { created: 1, updated: 30 },
}),
expect.objectContaining({
id: "active-null",
time: { created: 1, updated: 20, archived: null },
}),
])
})
test("preserves the per-directory Home retention limit", () => {
const now = 10 * 60 * 60 * 1000
const sessions = Array.from({ length: 80 }, (_, index) => ({
...parseHomeSessionIndex([session({ id: `session-${index}`, updated: index + 1 })])[0],
directory: index % 2 === 0 ? "/one" : "/two",
}))
const retained = retainHomeSessions(sessions, 10, now)
expect(retained.filter((item) => item.directory === "/one")).toHaveLength(10)
expect(retained.filter((item) => item.directory === "/two")).toHaveLength(10)
})
test("replays session events over the loaded index", () => {
const initial = parseHomeSessionIndex([session({ id: "old" })])
const created = { ...initial[0], id: "new", slug: "new", title: "new", time: { created: 2, updated: 2 } }
const afterCreate = applyHomeSessionEvent(initial, {
type: "session.created",
properties: { sessionID: created.id, info: created },
})
expect(
applyHomeSessionEvent(afterCreate, {
type: "session.deleted",
properties: { sessionID: initial[0]!.id, info: initial[0]! },
}),
).toEqual([created])
})
test("applies only events newer than the index baseline", () => {
const initial = parseHomeSessionIndex([session({ id: "old" })])
const stale = { ...initial[0], title: "stale" }
const current = { ...initial[0], title: "current" }
const first = appendHomeSessionEvent(undefined, {
type: "session.updated",
properties: { sessionID: stale.id, info: stale },
})
const events = appendHomeSessionEvent(first, {
type: "session.updated",
properties: { sessionID: current.id, info: current },
})
expect(homeSessionIndexSessions({ sessions: initial, eventSequence: 1 }, events)[0]?.title).toBe("current")
})
test("refetches after reconnect, disposal, and session moves", () => {
expect(homeSessionIndexRefresh("server.connected", false)).toEqual({ connected: true, refetch: false })
expect(homeSessionIndexRefresh("server.connected", true)).toEqual({ connected: true, refetch: true })
expect(homeSessionIndexRefresh("global.disposed", true).refetch).toBe(true)
expect(homeSessionIndexRefresh("session.next.moved", true).refetch).toBe(true)
})
test("removes a session from the loaded Home index", () => {
const queryClient = new QueryClient()
const cache = createHomeSessionIndexCache(queryClient, "server")
const sessions = [
{ id: "a", time: { created: 1, updated: 1 } },
{ id: "b", time: { created: 1, updated: 1 } },
] as Session[]
queryClient.setQueryData(cache.indexKey, { sessions, eventSequence: 0 })
cache.remove("a")
const index = queryClient.getQueryData<{ sessions: Session[] }>(cache.indexKey)
expect(index?.sessions.map((item) => item.id)).toEqual(["b"])
})
test("keeps the session out of the Home list when the index is not mounted", () => {
const queryClient = new QueryClient()
const cache = createHomeSessionIndexCache(queryClient, "server")
const sessions = [
{ id: "a", time: { created: 1, updated: 1 } },
{ id: "b", time: { created: 1, updated: 1 } },
] as Session[]
cache.remove("a")
expect(queryClient.getQueryData(cache.indexKey)).toBeUndefined()
expect(cache.sessions({ sessions, eventSequence: 0 }, undefined).map((item) => item.id)).toEqual(["b"])
})
})