session-create.test.ts 26 KB

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  1. import { describe, expect } from "bun:test"
  2. import path from "path"
  3. import { DateTime, Effect, Layer, Stream } from "effect"
  4. import { Money } from "@opencode-ai/schema/money"
  5. import { AgentV2 } from "@opencode-ai/core/agent"
  6. import { asc, eq } from "drizzle-orm"
  7. import { Database } from "@opencode-ai/core/database/database"
  8. import { AppNodeBuilder } from "@opencode-ai/core/effect/app-node-builder"
  9. import { LayerNode } from "@opencode-ai/util/effect/layer-node"
  10. import { EventV2 } from "@opencode-ai/core/event"
  11. import { EventTable } from "@opencode-ai/core/event/sql"
  12. import { Location } from "@opencode-ai/core/location"
  13. import { ModelV2 } from "@opencode-ai/core/model"
  14. import { ProjectV2 } from "@opencode-ai/core/project"
  15. import { ProjectTable } from "@opencode-ai/core/project/sql"
  16. import { ProviderV2 } from "@opencode-ai/core/provider"
  17. import { AbsolutePath } from "@opencode-ai/core/schema"
  18. import { SessionV2 } from "@opencode-ai/core/session"
  19. import { SessionV1 } from "@opencode-ai/core/v1/session"
  20. import { SessionMessage } from "@opencode-ai/core/session/message"
  21. import { SessionProjector } from "@opencode-ai/core/session/projector"
  22. import { SessionExecution } from "@opencode-ai/core/session/execution"
  23. import { SessionPending } from "@opencode-ai/core/session/pending"
  24. import { SessionEvent } from "@opencode-ai/core/session/event"
  25. import { SessionTable } from "@opencode-ai/core/session/sql"
  26. import { SessionStore } from "@opencode-ai/core/session/store"
  27. import { WorkspaceV2 } from "@opencode-ai/core/workspace"
  28. import { testEffect } from "./lib/effect"
  29. import { tmpdir } from "./fixture/tmpdir"
  30. const projects = Layer.succeed(
  31. ProjectV2.Service,
  32. ProjectV2.Service.of({
  33. list: () => Effect.succeed([]),
  34. resolve: (directory) => Effect.succeed({ id: ProjectV2.ID.global, directory }),
  35. directories: () => Effect.succeed([]),
  36. commit: () => Effect.void,
  37. }),
  38. )
  39. const it = testEffect(
  40. AppNodeBuilder.build(
  41. LayerNode.group([Database.node, EventV2.node, SessionProjector.node, SessionStore.node, SessionV2.node]),
  42. [
  43. [ProjectV2.node, projects],
  44. [SessionExecution.node, SessionExecution.noopLayer],
  45. ],
  46. ),
  47. )
  48. const location = Location.Ref.make({ directory: AbsolutePath.make("/project") })
  49. const id = SessionV2.ID.create()
  50. /** Public session events from a `log` read, without synced markers. */
  51. const logEvents = (session: SessionV2.Interface, sessionID: SessionV2.ID, follow?: boolean) =>
  52. session
  53. .log({ sessionID, follow })
  54. .pipe(Stream.filter((item): item is SessionEvent.DurableEvent => !EventV2.isSynced(item)))
  55. const assertCreateInputTypes = (session: SessionV2.Interface) => {
  56. // @ts-expect-error location or parentID is required.
  57. session.create({})
  58. // @ts-expect-error child sessions inherit their parent's location.
  59. session.create({ parentID: SessionV2.ID.create(), location })
  60. }
  61. void assertCreateInputTypes
  62. function withTmp<A, E, R>(f: (directory: string) => Effect.Effect<A, E, R>) {
  63. return Effect.acquireRelease(
  64. Effect.promise(() => tmpdir()),
  65. (tmp) => Effect.promise(() => tmp[Symbol.asyncDispose]()),
  66. ).pipe(Effect.flatMap((tmp) => f(tmp.path)))
  67. }
  68. describe("SessionV2.create", () => {
  69. it.effect("creates a fresh projected session when the ID is omitted", () =>
  70. Effect.gen(function* () {
  71. const session = yield* SessionV2.Service
  72. const first = yield* session.create({ location })
  73. const second = yield* session.create({ location })
  74. expect(second.id).not.toBe(first.id)
  75. expect((yield* session.list()).data).toHaveLength(2)
  76. }),
  77. )
  78. it.effect("returns the original session when the ID is retried", () =>
  79. Effect.gen(function* () {
  80. const session = yield* SessionV2.Service
  81. const input = { id, location }
  82. const first = yield* session.create(input)
  83. const retried = yield* session.create(input)
  84. expect(retried).toEqual(first)
  85. expect((yield* session.list()).data).toEqual([first])
  86. }),
  87. )
  88. it.effect("stores supplied immutable create attributes", () =>
  89. Effect.gen(function* () {
  90. const session = yield* SessionV2.Service
  91. const workspaceID = WorkspaceV2.ID.make("wrk_test")
  92. const model = ModelV2.Ref.make({
  93. id: ModelV2.ID.make("sonnet"),
  94. providerID: ProviderV2.ID.anthropic,
  95. variant: ModelV2.VariantID.make("fast"),
  96. })
  97. expect(
  98. yield* session.create({
  99. location: Location.Ref.make({ directory: location.directory, workspaceID }),
  100. agent: AgentV2.ID.make("build"),
  101. model,
  102. }),
  103. ).toMatchObject({ location: { directory: location.directory, workspaceID }, agent: "build", model })
  104. }),
  105. )
  106. it.effect("inherits location from an existing parent when omitted", () =>
  107. Effect.gen(function* () {
  108. const session = yield* SessionV2.Service
  109. const parent = yield* session.create({ location })
  110. const child = yield* session.create({ parentID: parent.id, title: "child" })
  111. expect(child).toMatchObject({ parentID: parent.id, location })
  112. }),
  113. )
  114. it.effect("rejects child creation when the parent does not exist", () =>
  115. Effect.gen(function* () {
  116. const session = yield* SessionV2.Service
  117. const missing = SessionV2.ID.create()
  118. expect(yield* Effect.flip(session.create({ parentID: missing, title: "child" }))).toEqual(
  119. new SessionV2.NotFoundError({ sessionID: missing }),
  120. )
  121. }),
  122. )
  123. it.effect("filters root sessions before applying the page limit", () =>
  124. Effect.gen(function* () {
  125. const session = yield* SessionV2.Service
  126. const { db } = yield* Database.Service
  127. const staleRoot = yield* session.create({ location, title: "stale root" })
  128. const root = yield* session.create({ location, title: "root" })
  129. const children = yield* Effect.forEach(Array.from({ length: 60 }), (_, index) =>
  130. session.create({ parentID: root.id, title: `child ${index}` }),
  131. )
  132. yield* Effect.forEach(children, (item, index) =>
  133. db
  134. .update(SessionTable)
  135. .set({ time_created: index + 100, time_updated: index + 20_000 })
  136. .where(eq(SessionTable.id, item.id))
  137. .run(),
  138. )
  139. yield* db
  140. .update(SessionTable)
  141. .set({ time_created: 2, time_updated: 5_000 })
  142. .where(eq(SessionTable.id, staleRoot.id))
  143. .run()
  144. yield* db
  145. .update(SessionTable)
  146. .set({ time_created: 1, time_updated: 10_000 })
  147. .where(eq(SessionTable.id, root.id))
  148. .run()
  149. const page = yield* session.list({ directory: location.directory, parentID: null, limit: 1, order: "desc" })
  150. expect(page.data.map((item) => item.id)).toEqual([root.id])
  151. }),
  152. )
  153. it.effect("filters direct child sessions by parent ID", () =>
  154. Effect.gen(function* () {
  155. const session = yield* SessionV2.Service
  156. const parent = yield* session.create({ location, title: "parent" })
  157. const child = yield* session.create({ parentID: parent.id, title: "child" })
  158. yield* session.create({ location, title: "other root" })
  159. const page = yield* session.list({ parentID: parent.id })
  160. expect(page.data.map((item) => item.id)).toEqual([child.id])
  161. }),
  162. )
  163. it.effect("forks a session by replaying a durable fork event into copied projected rows", () =>
  164. Effect.gen(function* () {
  165. const session = yield* SessionV2.Service
  166. const events = yield* EventV2.Service
  167. const { db } = yield* Database.Service
  168. const parent = yield* session.create({ location, title: "Parent" })
  169. const admitted = yield* session.prompt({
  170. sessionID: parent.id,
  171. text: "First",
  172. resume: false,
  173. })
  174. yield* SessionPending.promoteSteers(db, events, parent.id)
  175. yield* session.synthetic({ sessionID: parent.id, text: "parent note", resume: false })
  176. yield* SessionPending.promoteSteers(db, events, parent.id)
  177. const forked = yield* session.fork({ sessionID: parent.id })
  178. const parentContext = yield* session.context(parent.id)
  179. const forkContext = yield* session.context(forked.id)
  180. const history = Array.from(yield* Stream.runCollect(logEvents(session, forked.id)))
  181. expect(forked).toMatchObject({ title: "Parent (fork #1)", fork: { sessionID: parent.id } })
  182. expect(forked.parentID).toBeUndefined()
  183. expect(forkContext).toMatchObject([
  184. { type: "user", text: "First" },
  185. { type: "synthetic", text: "parent note" },
  186. ])
  187. expect(forkContext.map((message) => message.id)).not.toEqual(parentContext.map((message) => message.id))
  188. expect(history).toHaveLength(1)
  189. expect(history[0]).toMatchObject({
  190. type: "session.forked",
  191. durable: { seq: 0 },
  192. data: { sessionID: forked.id, parentID: parent.id },
  193. })
  194. expect(yield* SessionPending.find(db, forkContext[0].id)).toBeUndefined()
  195. expect(yield* SessionPending.find(db, forkContext[1].id)).toBeUndefined()
  196. // Fork-copied messages have no admitted event in the fork aggregate, so
  197. // reusing their IDs as prompt IDs is conflicting reuse, not a retry.
  198. expect(
  199. yield* session
  200. .prompt({ id: forkContext[0].id, sessionID: forked.id, text: "First", resume: false })
  201. .pipe(Effect.flip),
  202. ).toMatchObject({ _tag: "Session.PromptConflictError", messageID: forkContext[0].id })
  203. yield* session.prompt({
  204. sessionID: parent.id,
  205. text: "Parent changed",
  206. resume: false,
  207. })
  208. yield* SessionPending.promoteSteers(db, events, parent.id)
  209. yield* session.prompt({
  210. sessionID: forked.id,
  211. text: "Child continues",
  212. resume: false,
  213. })
  214. yield* SessionPending.promoteSteers(db, events, forked.id)
  215. expect((yield* session.context(parent.id)).map((message) => message.type)).toEqual(["user", "synthetic", "user"])
  216. expect((yield* session.context(forked.id)).map((message) => message.type)).toEqual(["user", "synthetic", "user"])
  217. expect((yield* session.context(forked.id)).at(-1)).toMatchObject({ text: "Child continues" })
  218. expect(
  219. Array.from(yield* Stream.runCollect(logEvents(session, forked.id))).map(
  220. (event): number | undefined => event.durable?.seq,
  221. ),
  222. ).toEqual([0, 5, 6])
  223. expect(yield* SessionPending.find(db, admitted.id)).toBeUndefined()
  224. }),
  225. )
  226. it.effect("forks before the selected boundary message", () =>
  227. Effect.gen(function* () {
  228. const session = yield* SessionV2.Service
  229. const events = yield* EventV2.Service
  230. const { db } = yield* Database.Service
  231. const parent = yield* session.create({ location })
  232. const first = yield* session.prompt({
  233. sessionID: parent.id,
  234. text: "First",
  235. resume: false,
  236. })
  237. yield* SessionPending.promoteSteers(db, events, parent.id)
  238. const second = yield* session.prompt({
  239. sessionID: parent.id,
  240. text: "Second",
  241. resume: false,
  242. })
  243. yield* SessionPending.promoteSteers(db, events, parent.id)
  244. const assistantMessageID = SessionMessage.ID.create()
  245. const model = ModelV2.Ref.make({ id: ModelV2.ID.make("model"), providerID: ProviderV2.ID.make("provider") })
  246. yield* events.publish(SessionEvent.Step.Started, {
  247. sessionID: parent.id,
  248. assistantMessageID,
  249. agent: AgentV2.ID.make("build"),
  250. model,
  251. })
  252. yield* events.publish(SessionEvent.Step.Ended, {
  253. sessionID: parent.id,
  254. assistantMessageID,
  255. finish: "stop",
  256. cost: Money.USD.make(0.75),
  257. tokens: { input: 6, output: 3, reasoning: 1, cache: { read: 2, write: 1 } },
  258. })
  259. const forked = yield* session.fork({ sessionID: parent.id, messageID: second.id })
  260. const beforeFirst = yield* session.fork({ sessionID: parent.id, messageID: first.id })
  261. const complete = yield* session.fork({ sessionID: parent.id })
  262. const context = yield* session.context(forked.id)
  263. const history = Array.from(yield* Stream.runCollect(logEvents(session, forked.id)))
  264. expect(forked.fork).toEqual({ sessionID: parent.id, messageID: second.id })
  265. expect(context).toMatchObject([{ text: "First" }])
  266. expect(context[0]?.id).not.toBe(first.id)
  267. expect(history[0]).toMatchObject({ data: { from: second.id } })
  268. expect(forked).toMatchObject({ cost: 0, tokens: { input: 0, output: 0, reasoning: 0 } })
  269. expect(yield* session.context(beforeFirst.id)).toEqual([])
  270. expect(beforeFirst).toMatchObject({ cost: 0, tokens: { input: 0, output: 0, reasoning: 0 } })
  271. expect(complete).toMatchObject({
  272. cost: 0,
  273. tokens: { input: 0, output: 0, reasoning: 0, cache: { read: 0, write: 0 } },
  274. })
  275. }),
  276. )
  277. it.effect("returns the existing Session when one ID is reused with different create arguments", () =>
  278. Effect.gen(function* () {
  279. const session = yield* SessionV2.Service
  280. const created = yield* session.create({ id, location })
  281. const changed = [
  282. { id, location: Location.Ref.make({ directory: AbsolutePath.make("/other") }) },
  283. { id, location, agent: AgentV2.ID.make("build") },
  284. {
  285. id,
  286. location,
  287. model: ModelV2.Ref.make({ id: ModelV2.ID.make("sonnet"), providerID: ProviderV2.ID.anthropic }),
  288. },
  289. ]
  290. for (const input of changed) {
  291. expect(yield* session.create(input)).toEqual(created)
  292. }
  293. expect((yield* session.list()).data).toHaveLength(1)
  294. }),
  295. )
  296. it.effect("returns one recorded session to concurrent exact retries", () =>
  297. Effect.gen(function* () {
  298. const session = yield* SessionV2.Service
  299. const input = { id, location }
  300. const created = yield* Effect.all([session.create(input), session.create(input)], { concurrency: "unbounded" })
  301. expect(created[1]).toEqual(created[0])
  302. expect((yield* session.list()).data).toEqual([created[0]])
  303. }),
  304. )
  305. it.effect("returns the current Session projection after updates", () =>
  306. Effect.gen(function* () {
  307. const session = yield* SessionV2.Service
  308. const { db } = yield* Database.Service
  309. const input = { id, location }
  310. const created = yield* session.create(input)
  311. yield* db.update(SessionTable).set({ agent: "build" }).where(eq(SessionTable.id, id)).run().pipe(Effect.orDie)
  312. expect(yield* session.create(input)).toMatchObject({ id: created.id, agent: "build" })
  313. }),
  314. )
  315. it.effect("returns the current Session projection after projected updates", () =>
  316. Effect.gen(function* () {
  317. const session = yield* SessionV2.Service
  318. const events = yield* EventV2.Service
  319. const input = { id, location }
  320. const created = yield* session.create(input)
  321. yield* events.publish(SessionV1.Event.Updated, {
  322. sessionID: id,
  323. info: SessionV1.SessionInfo.make({
  324. id,
  325. slug: "updated",
  326. version: "test",
  327. projectID: created.projectID,
  328. directory: created.location.directory,
  329. title: "updated",
  330. agent: "build",
  331. time: { created: 0, updated: 1 },
  332. }),
  333. })
  334. expect(yield* session.create(input)).toMatchObject({ id, agent: "build" })
  335. }),
  336. )
  337. it.effect("persists creation through the existing legacy created event", () =>
  338. Effect.gen(function* () {
  339. const session = yield* SessionV2.Service
  340. const { db } = yield* Database.Service
  341. const created = yield* session.create({ location })
  342. expect(
  343. yield* db.select().from(EventTable).where(eq(EventTable.aggregate_id, created.id)).all().pipe(Effect.orDie),
  344. ).toMatchObject([{ type: EventV2.versionedType(SessionV1.Event.Created.type, 1) }])
  345. }),
  346. )
  347. it.effect("persists caller-ID creation through the existing created event", () =>
  348. Effect.gen(function* () {
  349. const session = yield* SessionV2.Service
  350. const { db } = yield* Database.Service
  351. const created = yield* session.create({ id, location })
  352. expect(
  353. yield* db.select().from(EventTable).where(eq(EventTable.aggregate_id, created.id)).get().pipe(Effect.orDie),
  354. ).toMatchObject({
  355. data: { sessionID: id },
  356. })
  357. }),
  358. )
  359. it.effect("omits legacy creation rows from the V2 Session event stream", () =>
  360. Effect.gen(function* () {
  361. const session = yield* SessionV2.Service
  362. const events = yield* EventV2.Service
  363. const { db } = yield* Database.Service
  364. const created = yield* session.create({ location })
  365. yield* session.prompt({
  366. sessionID: created.id,
  367. text: "Hello",
  368. resume: false,
  369. })
  370. yield* SessionPending.promoteSteers(db, events, created.id)
  371. expect(
  372. Array.from(yield* logEvents(session, created.id, true).pipe(Stream.take(2), Stream.runCollect)),
  373. ).toMatchObject([
  374. {
  375. durable: { seq: 1 },
  376. type: "session.input.admitted",
  377. data: { input: { type: "user", data: { text: "Hello" }, delivery: "steer" } },
  378. },
  379. { durable: { seq: 2 }, type: "session.input.promoted" },
  380. ])
  381. }),
  382. )
  383. it.effect("replays one prompt lifecycle into a fresh target database", () =>
  384. Effect.gen(function* () {
  385. const session = yield* SessionV2.Service
  386. const sourceEvents = yield* EventV2.Service
  387. const sourceDb = (yield* Database.Service).db
  388. const created = yield* session.create({ id: SessionV2.ID.make("ses_fresh_target_replay"), location })
  389. const admitted = yield* session.prompt({
  390. sessionID: created.id,
  391. text: "Replay lifecycle",
  392. resume: false,
  393. })
  394. yield* SessionPending.promoteSteers(sourceDb, sourceEvents, created.id)
  395. const serialized = (yield* sourceDb
  396. .select()
  397. .from(EventTable)
  398. .where(eq(EventTable.aggregate_id, created.id))
  399. .orderBy(asc(EventTable.seq))
  400. .all()
  401. .pipe(Effect.orDie)).map((event) => ({
  402. id: event.id,
  403. created: DateTime.makeUnsafe(event.created),
  404. aggregateID: event.aggregate_id,
  405. seq: event.seq,
  406. type: event.type,
  407. data: event.data,
  408. }))
  409. const tmp = yield* Effect.acquireRelease(
  410. Effect.promise(() => tmpdir()),
  411. (tmp) => Effect.promise(() => tmp[Symbol.asyncDispose]()),
  412. )
  413. const targetDatabase = Database.layer({ path: path.join(tmp.path, "target.sqlite") })
  414. const targetLayer = AppNodeBuilder.build(
  415. LayerNode.group([Database.node, EventV2.node, SessionProjector.node, SessionStore.node]),
  416. [[Database.node, targetDatabase]],
  417. )
  418. yield* Effect.gen(function* () {
  419. const db = (yield* Database.Service).db
  420. const events = yield* EventV2.Service
  421. const store = yield* SessionStore.Service
  422. yield* db
  423. .insert(ProjectTable)
  424. .values({ id: ProjectV2.ID.global, worktree: location.directory, sandboxes: [] })
  425. .run()
  426. .pipe(Effect.orDie)
  427. expect(yield* store.get(created.id)).toBeUndefined()
  428. expect(yield* events.replayAll(serialized.slice(0, 2))).toBe(created.id)
  429. expect(yield* SessionPending.find(db, admitted.id)).toMatchObject({
  430. id: admitted.id,
  431. sessionID: created.id,
  432. type: "user",
  433. data: { text: "Replay lifecycle" },
  434. delivery: "steer",
  435. admittedSeq: 1,
  436. })
  437. expect(yield* store.context(created.id)).toEqual([])
  438. expect(yield* events.replayAll(serialized.slice(2))).toBe(created.id)
  439. expect(yield* SessionPending.find(db, admitted.id)).toBeUndefined()
  440. expect(yield* store.context(created.id)).toMatchObject([
  441. { id: admitted.id, type: "user", text: "Replay lifecycle" },
  442. ])
  443. expect(
  444. (yield* db
  445. .select()
  446. .from(EventTable)
  447. .where(eq(EventTable.aggregate_id, created.id))
  448. .orderBy(asc(EventTable.seq))
  449. .all()
  450. .pipe(Effect.orDie)).map((event) => [event.seq, event.type]),
  451. ).toEqual([
  452. [0, EventV2.versionedType(SessionV1.Event.Created.type, 1)],
  453. [1, EventV2.versionedType(SessionEvent.InputAdmitted.type, 1)],
  454. [2, EventV2.versionedType(SessionEvent.InputPromoted.type, 1)],
  455. ])
  456. }).pipe(Effect.provide(Layer.fresh(targetLayer)))
  457. }),
  458. )
  459. it.effect("does not mask unrelated created projector defects", () =>
  460. Effect.gen(function* () {
  461. const session = yield* SessionV2.Service
  462. const event = yield* EventV2.Service
  463. const defect = new Error("unrelated projector defect")
  464. yield* event.project(SessionV1.Event.Created, () => Effect.die(defect))
  465. expect(yield* session.create({ id, location }).pipe(Effect.catchDefect(Effect.succeed))).toBe(defect)
  466. }),
  467. )
  468. it.live("runs a shell command and projects the started/ended shell message", () =>
  469. withTmp((directory) =>
  470. Effect.gen(function* () {
  471. const session = yield* SessionV2.Service
  472. const created = yield* session.create({
  473. location: Location.Ref.make({ directory: AbsolutePath.make(directory) }),
  474. })
  475. yield* session.shell({ sessionID: created.id, command: "echo hello" })
  476. const messages = yield* session.messages({ sessionID: created.id, order: "asc" })
  477. const shell = messages.find((message): message is SessionMessage.Shell => message.type === "shell")
  478. expect(shell).toMatchObject({ type: "shell", command: "echo hello", status: "exited", exit: 0 })
  479. expect(shell?.output?.output).toContain("hello")
  480. expect(shell?.output?.truncated).toBe(false)
  481. expect(shell?.time.completed).toBeDefined()
  482. }),
  483. ),
  484. )
  485. it.live("still emits shell ended for a failing command", () =>
  486. withTmp((directory) =>
  487. Effect.gen(function* () {
  488. const session = yield* SessionV2.Service
  489. const created = yield* session.create({
  490. location: Location.Ref.make({ directory: AbsolutePath.make(directory) }),
  491. })
  492. yield* session.shell({ sessionID: created.id, command: "false" })
  493. const messages = yield* session.messages({ sessionID: created.id, order: "asc" })
  494. const shell = messages.find((message): message is SessionMessage.Shell => message.type === "shell")
  495. expect(shell).toMatchObject({ type: "shell", command: "false", status: "exited" })
  496. expect(shell?.exit).not.toBe(0)
  497. expect(shell?.time.completed).toBeDefined()
  498. }),
  499. ),
  500. )
  501. it.effect("switches the selected agent through the durable Session event", () =>
  502. Effect.gen(function* () {
  503. const session = yield* SessionV2.Service
  504. const created = yield* session.create({ location })
  505. yield* session.switchAgent({ sessionID: created.id, agent: AgentV2.ID.make("plan") })
  506. expect(yield* session.get(created.id)).toMatchObject({ agent: "plan" })
  507. expect(
  508. Array.from(yield* logEvents(session, created.id, true).pipe(Stream.take(1), Stream.runCollect)),
  509. ).toMatchObject([{ type: "session.agent.selected", data: { agent: "plan" } }])
  510. }),
  511. )
  512. it.effect("rejects an agent switch for a missing Session", () =>
  513. Effect.gen(function* () {
  514. const session = yield* SessionV2.Service
  515. const missing = SessionV2.ID.make("ses_missing_agent_switch")
  516. expect(
  517. yield* session.switchAgent({ sessionID: missing, agent: AgentV2.ID.make("plan") }).pipe(
  518. Effect.flip,
  519. Effect.map((error) => error._tag),
  520. ),
  521. ).toBe("Session.NotFoundError")
  522. }),
  523. )
  524. it.effect("switches the selected model through the durable Session event", () =>
  525. Effect.gen(function* () {
  526. const session = yield* SessionV2.Service
  527. const created = yield* session.create({ location })
  528. const model = ModelV2.Ref.make({
  529. id: ModelV2.ID.make("sonnet"),
  530. providerID: ProviderV2.ID.anthropic,
  531. variant: ModelV2.VariantID.make("high"),
  532. })
  533. yield* session.switchModel({ sessionID: created.id, model })
  534. expect(yield* session.get(created.id)).toMatchObject({ model })
  535. const events = Array.from(yield* logEvents(session, created.id, true).pipe(Stream.take(1), Stream.runCollect))
  536. expect(events).toMatchObject([{ type: "session.model.selected" }])
  537. expect(events[0]?.data).toEqual({ sessionID: created.id, model })
  538. }),
  539. )
  540. it.effect("ignores a model switch when the selected model is unchanged", () =>
  541. Effect.gen(function* () {
  542. const session = yield* SessionV2.Service
  543. const created = yield* session.create({ location })
  544. const model = ModelV2.Ref.make({ id: ModelV2.ID.make("sonnet"), providerID: ProviderV2.ID.anthropic })
  545. yield* session.switchModel({ sessionID: created.id, model })
  546. yield* session.switchModel({ sessionID: created.id, model })
  547. const { db } = yield* Database.Service
  548. expect(
  549. yield* db.select().from(EventTable).where(eq(EventTable.aggregate_id, created.id)).all().pipe(Effect.orDie),
  550. ).toHaveLength(2)
  551. expect(yield* session.get(created.id)).toMatchObject({ model })
  552. }),
  553. )
  554. it.effect("treats an omitted variant as the default variant", () =>
  555. Effect.gen(function* () {
  556. const session = yield* SessionV2.Service
  557. const model = ModelV2.Ref.make({ id: ModelV2.ID.make("sonnet"), providerID: ProviderV2.ID.anthropic })
  558. const created = yield* session.create({ location, model })
  559. yield* session.switchModel({
  560. sessionID: created.id,
  561. model: ModelV2.Ref.make({ ...model, variant: ModelV2.VariantID.make("default") }),
  562. })
  563. const { db } = yield* Database.Service
  564. expect(
  565. yield* db.select().from(EventTable).where(eq(EventTable.aggregate_id, created.id)).all().pipe(Effect.orDie),
  566. ).toHaveLength(1)
  567. }),
  568. )
  569. it.effect("rejects a model switch for a missing Session", () =>
  570. Effect.gen(function* () {
  571. const session = yield* SessionV2.Service
  572. const missing = SessionV2.ID.make("ses_missing_model_switch")
  573. expect(
  574. yield* session
  575. .switchModel({
  576. sessionID: missing,
  577. model: ModelV2.Ref.make({ id: ModelV2.ID.make("sonnet"), providerID: ProviderV2.ID.anthropic }),
  578. })
  579. .pipe(
  580. Effect.flip,
  581. Effect.map((error) => error._tag),
  582. ),
  583. ).toBe("Session.NotFoundError")
  584. }),
  585. )
  586. })