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feat(client): self-contained local service discovery and lifecycle

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This commit is contained in:
Dax Raad 2026-07-03 01:19:43 -04:00
commit 1de3c6e4a6
27 changed files with 535 additions and 480 deletions
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54
packages/tui/test/cli/tui/use-event.test.tsx
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@ -47,7 +47,7 @@ function update(version: string): V2Event {
}
}
async function mount(reload?: () => Promise<{ client: OpencodeClient; api: OpenCodeClient }>) {
async function mount(discover?: () => Promise<{ client: OpencodeClient; api: OpenCodeClient }>) {
const events = createEventStream()
const calls = createFetch(undefined, events)
const seen: V2Event[] = []
@ -61,7 +61,7 @@ async function mount(reload?: () => Promise<{ client: OpencodeClient; api: OpenC
const app = await testRender(() => (
<TestTuiContexts>
<SDKProvider client={createClient(calls.fetch)} api={createApi(calls.fetch)} reload={reload}>
<SDKProvider client={createClient(calls.fetch)} api={createApi(calls.fetch)} discover={discover}>
<ProjectProvider>
<Probe
onReady={async (ctx) => {
@ -79,7 +79,7 @@ async function mount(reload?: () => Promise<{ client: OpencodeClient; api: OpenC
))
await ready
return { app, emit: events.emit, project, sdk, seen, workspaces }
return { app, events, emit: events.emit, project, sdk, seen, workspaces }
}
function Probe(props: {
@ -148,24 +148,25 @@ describe("useEvent", () => {
}
})
test("reloads the host and reconnects the event stream", async () => {
test("rediscovers the server after the event stream drops", async () => {
let calls = 0
const events = createEventStream()
const replacementCalls = createFetch(undefined, events)
const replacementEvents = createEventStream()
const replacementCalls = createFetch(undefined, replacementEvents)
const replacement = { client: createClient(replacementCalls.fetch), api: createApi(replacementCalls.fetch) }
const { app, sdk, seen } = await mount(async () => {
const { app, events, sdk, seen } = await mount(async () => {
calls += 1
return replacement
})
try {
await wait(() => sdk.connection.status() === "connected")
await sdk.reload?.()
await wait(() => sdk.connection.status() === "connected")
events.emit(event(vcs("reloaded"), { directory: "/tmp/reloaded" }))
await wait(() => seen.some((item) => item.type === "vcs.branch.updated" && item.data.branch === "reloaded"))
// Discovery only runs when the stream is down, never while connected.
expect(calls).toBe(0)
events.disconnect()
await wait(() => sdk.connection.status() === "connected" && calls > 0)
replacementEvents.emit(event(vcs("rediscovered"), { directory: "/tmp/rediscovered" }))
await wait(() => seen.some((item) => item.type === "vcs.branch.updated" && item.data.branch === "rediscovered"))
expect(calls).toBe(1)
expect(sdk.client).toBe(replacement.client)
expect(sdk.api).toBe(replacement.api)
} finally {
@ -173,27 +174,24 @@ describe("useEvent", () => {
}
})
test("keeps the current event stream alive while the host reload is pending", async () => {
let complete!: (client: { client: OpencodeClient; api: OpenCodeClient }) => void
const pending = new Promise<{ client: OpencodeClient; api: OpenCodeClient }>((resolve) => {
complete = resolve
test("keeps the current client when discovery fails", async () => {
let calls = 0
const { app, events, sdk, seen } = await mount(async () => {
calls += 1
throw new Error("no server")
})
const replacementEvents = createEventStream()
const replacementCalls = createFetch(undefined, replacementEvents)
const replacement = { client: createClient(replacementCalls.fetch), api: createApi(replacementCalls.fetch) }
const { app, emit, sdk, seen } = await mount(() => pending)
try {
await wait(() => sdk.connection.status() === "connected")
const reload = sdk.reload?.()
emit(event(vcs("during-reload"), { directory: "/tmp/reload" }))
await wait(() => seen.some((item) => item.type === "vcs.branch.updated" && item.data.branch === "during-reload"))
const original = sdk.client
events.disconnect()
// Discovery rejects; the loop retries against the last known transport,
// which succeeds once the fixture accepts the reconnect.
await wait(() => calls > 0 && sdk.connection.status() === "connected")
events.emit(event(vcs("recovered"), { directory: "/tmp/recovered" }))
await wait(() => seen.some((item) => item.type === "vcs.branch.updated" && item.data.branch === "recovered"))
expect(sdk.connection.status()).toBe("connected")
complete(replacement)
await reload
expect(sdk.client).toBe(replacement.client)
expect(sdk.api).toBe(replacement.api)
expect(sdk.client).toBe(original)
} finally {
app.renderer.destroy()
}