test(workspace): use instance effect fixture

packages/opencode/src/cli/bootstrap.ts

@@ -1,10 +1,9 @@
 import { InstanceRuntime } from "../project/instance-runtime"
-import { context } from "../project/instance-context"
 
 export async function bootstrap<T>(directory: string, cb: () => Promise<T>) {
   const ctx = await InstanceRuntime.load({ directory })
   try {
-    return await context.provide(ctx, cb)
+    return await cb()
   } finally {
     await InstanceRuntime.disposeInstance(ctx)
   }

packages/opencode/src/project/instance-context.ts

@@ -1,4 +1,3 @@
-import { LocalContext } from "@/util/local-context"
 import { AppFileSystem } from "@opencode-ai/core/filesystem"
 import type * as Project from "./project"
 
@@ -8,8 +7,6 @@ export interface InstanceContext {
   project: Project.Info
 }
 
-export const context = LocalContext.create<InstanceContext>("instance")
-
 /**
  * Check if a path is within the project boundary.
  * Returns true if path is inside ctx.directory OR ctx.worktree.

packages/opencode/test/control-plane/workspace.test.ts

@@ -3,9 +3,8 @@ import { $ } from "bun"
 import fs from "node:fs/promises"
 import Http from "node:http"
 import path from "node:path"
-import { setTimeout as delay } from "node:timers/promises"
 import { NodeHttpServer } from "@effect/platform-node"
-import { Effect, Layer, Schema } from "effect"
+import { Cause, Effect, Exit, Layer, Schema } from "effect"
 import { FetchHttpClient, HttpServer, HttpServerRequest, HttpServerResponse } from "effect/unstable/http"
 import { eq } from "drizzle-orm"
 import { AppFileSystem } from "@opencode-ai/core/filesystem"
@@ -14,7 +13,6 @@ import { GlobalBus, type GlobalEvent } from "@/bus/global"
 import { Database } from "@/storage/db"
 import { ProjectID } from "@/project/schema"
 import { ProjectTable } from "@/project/project.sql"
-import { context, type InstanceContext } from "@/project/instance-context"
 import { InstanceRef } from "@/effect/instance-ref"
 import { Session as SessionNs } from "@/session/session"
 import { SessionID } from "@/session/schema"
@@ -22,14 +20,13 @@ import { SessionTable } from "@/session/session.sql"
 import { SyncEvent } from "@/sync"
 import { EventSequenceTable } from "@/sync/event.sql"
 import { resetDatabase } from "../fixture/db"
-import { disposeAllInstances, provideTmpdirInstance, TestInstance, tmpdir } from "../fixture/fixture"
+import { disposeAllInstances, provideTmpdirInstance, TestInstance, withTestInstance } from "../fixture/fixture"
 import { testEffect } from "../lib/effect"
 import { registerAdapter } from "../../src/control-plane/adapters"
 import { WorkspaceID } from "../../src/control-plane/schema"
 import { WorkspaceTable } from "../../src/control-plane/workspace.sql"
 import type { Target, WorkspaceAdapter, WorkspaceInfo } from "../../src/control-plane/types"
 import * as Workspace from "../../src/control-plane/workspace"
-import { AppRuntime } from "@/effect/app-runtime"
 import { InstanceStore } from "@/project/instance-store"
 import { InstanceBootstrap } from "@/project/bootstrap"
 import { Auth } from "@/auth"
@@ -121,12 +118,6 @@ afterEach(async () => {
   await resetDatabase()
 })
 
-async function withInstance<T>(fn: (ctx: InstanceContext) => T | Promise<T>) {
-  await using tmp = await tmpdir({ git: true })
-  const ctx = await AppRuntime.runPromise(InstanceStore.Service.use((store) => store.load({ directory: tmp.path })))
-  return await context.provide(ctx, () => fn(ctx))
-}
-
 async function initGitRepo(dir: string) {
   await fs.mkdir(dir, { recursive: true })
   await $`git init`.cwd(dir).quiet()
@@ -139,34 +130,22 @@ async function initGitRepo(dir: string) {
   await $`git commit -m "base"`.cwd(dir).quiet()
 }
 
-function currentInstance() {
+const requireInstance = Effect.gen(function* () {
-  try {
+  const instance = yield* InstanceRef
-    return context.use()
+  if (!instance) return yield* Effect.die(new Error("missing test instance"))
-  } catch {
+  return instance
-    return undefined
+})
-  }
-}
 
-const runWorkspace = <A, E>(effect: Effect.Effect<A, E, Workspace.Service>) => {
+const createWorkspace = (input: Workspace.CreateInput) => Workspace.Service.use((workspace) => workspace.create(input))
-  const ctx = currentInstance()
-  return AppRuntime.runPromise(ctx ? effect.pipe(Effect.provideService(InstanceRef, ctx)) : effect)
-}
-const createWorkspace = (input: Workspace.CreateInput) =>
-  runWorkspace(Workspace.Service.use((workspace) => workspace.create(input)))
 const warpWorkspaceSession = (input: Workspace.SessionWarpInput) =>
-  runWorkspace(Workspace.Service.use((workspace) => workspace.sessionWarp(input)))
+  Workspace.Service.use((workspace) => workspace.sessionWarp(input))
 const listWorkspaces = (project: Parameters<Workspace.Interface["list"]>[0]) =>
-  runWorkspace(Workspace.Service.use((workspace) => workspace.list(project)))
+  Workspace.Service.use((workspace) => workspace.list(project))
 const syncListWorkspaces = (project: Parameters<Workspace.Interface["syncList"]>[0]) =>
-  runWorkspace(Workspace.Service.use((workspace) => workspace.syncList(project)))
+  Workspace.Service.use((workspace) => workspace.syncList(project))
-const getWorkspace = (id: WorkspaceID) => runWorkspace(Workspace.Service.use((workspace) => workspace.get(id)))
+const getWorkspace = (id: WorkspaceID) => Workspace.Service.use((workspace) => workspace.get(id))
-const removeWorkspace = (id: WorkspaceID) => runWorkspace(Workspace.Service.use((workspace) => workspace.remove(id)))
+const removeWorkspace = (id: WorkspaceID) => Workspace.Service.use((workspace) => workspace.remove(id))
-const workspaceStatus = () => runWorkspace(Workspace.Service.use((workspace) => workspace.status()))
+const workspaceStatus = () => Workspace.Service.use((workspace) => workspace.status())
-const isWorkspaceSyncing = (id: WorkspaceID) =>
-  runWorkspace(Workspace.Service.use((workspace) => workspace.isSyncing(id)))
-const startWorkspaceSyncing = (projectID: ProjectID) => {
-  void runWorkspace(Workspace.Service.use((workspace) => workspace.startWorkspaceSyncing(projectID)))
-}
 const startWorkspaceSyncingWithFlag = (projectID: ProjectID, experimentalWorkspaces: boolean) =>
   Effect.runPromise(
     Workspace.Service.use((workspace) => workspace.startWorkspaceSyncing(projectID)).pipe(
@@ -174,7 +153,14 @@ const startWorkspaceSyncingWithFlag = (projectID: ProjectID, experimentalWorkspa
     ),
   )
 const waitForWorkspaceSync = (workspaceID: WorkspaceID, state: Record<string, number>, signal?: AbortSignal) =>
-  runWorkspace(Workspace.Service.use((workspace) => workspace.waitForSync(workspaceID, state, signal)))
+  Workspace.Service.use((workspace) => workspace.waitForSync(workspaceID, state, signal))
+
+const expectEffectFailure = <A, E, R>(effect: Effect.Effect<A, E, R>, message: string) =>
+  Effect.gen(function* () {
+    const exit = yield* Effect.exit(effect)
+    expect(Exit.isFailure(exit)).toBe(true)
+    if (Exit.isFailure(exit)) expect(Cause.pretty(exit.cause)).toContain(message)
+  })
 
 function captureGlobalEvents() {
   const events: GlobalEvent[] = []
@@ -188,20 +174,6 @@ function captureGlobalEvents() {
   }
 }
 
-async function eventually<T>(fn: () => T | Promise<T>, timeout = 1500) {
-  const started = Date.now()
-  let last: unknown
-  while (Date.now() - started < timeout) {
-    try {
-      return await fn()
-    } catch (err) {
-      last = err
-      await delay(10)
-    }
-  }
-  throw last ?? new Error("Timed out waiting for condition")
-}
-
 function eventuallyEffect(effect: Effect.Effect<void>, timeout = 1500) {
   return Effect.gen(function* () {
     const started = Date.now()
@@ -417,14 +389,20 @@ describe("workspace schemas and exports", () => {
 })
 
 describe("workspace CRUD", () => {
-  test("get returns undefined for a missing workspace", async () => {
+  it.instance(
-    await withInstance(async () => {
+    "get returns undefined for a missing workspace",
-      expect(await getWorkspace(WorkspaceID.ascending("wrk_missing_get"))).toBeUndefined()
+    () =>
-    })
+      Effect.gen(function* () {
-  })
+        expect(yield* getWorkspace(WorkspaceID.ascending("wrk_missing_get"))).toBeUndefined()
+      }),
+    { git: true },
+  )
 
-  test("list maps database rows, filters by project, and sorts by id", async () => {
+  it.instance(
-    await withInstance(async (instance) => {
+    "list maps database rows, filters by project, and sorts by id",
+    () =>
+      Effect.gen(function* () {
+        const instance = yield* requireInstance
         const otherProjectID = ProjectID.make("project-other")
         insertProject(otherProjectID, "/tmp/other")
         const a = workspaceInfo(instance.project.id, "manual", {
@@ -444,12 +422,16 @@ describe("workspace CRUD", () => {
         insertWorkspace(other)
         insertWorkspace(a)
 
-      expect(await listWorkspaces(instance.project)).toEqual([a, b])
+        expect(yield* listWorkspaces(instance.project)).toEqual([a, b])
-    })
+      }),
-  })
+    { git: true },
+  )
 
-  test("create configures, persists, creates, starts local sync, and passes environment", async () => {
+  it.instance(
-    await withInstance(async (instance) => {
+    "create configures, persists, creates, starts local sync, and passes environment",
+    () =>
+      Effect.gen(function* () {
+        const instance = yield* requireInstance
         process.env.OPENCODE_AUTH_CONTENT = JSON.stringify({ test: { type: "api", key: "secret" } })
         process.env.OTEL_EXPORTER_OTLP_HEADERS = "authorization=otel"
         process.env.OTEL_EXPORTER_OTLP_ENDPOINT = "https://otel.test"
@@ -477,7 +459,7 @@ describe("workspace CRUD", () => {
         })
         registerAdapter(instance.project.id, type, recorded.adapter)
 
-      const info = await createWorkspace({
+        const info = yield* createWorkspace({
           id: workspaceID,
           type,
           branch: null,
@@ -495,8 +477,8 @@ describe("workspace CRUD", () => {
           projectID: instance.project.id,
           timeUsed: info.timeUsed,
         })
-      expect(await getWorkspace(workspaceID)).toEqual(info)
+        expect(yield* getWorkspace(workspaceID)).toEqual(info)
-      expect(await listWorkspaces(instance.project)).toEqual([info])
+        expect(yield* listWorkspaces(instance.project)).toEqual([info])
         expect(recorded.calls.configure).toHaveLength(1)
         expect(recorded.calls.configure[0]).toMatchObject({ id: workspaceID, type, directory: null })
         expect(recorded.calls.create).toHaveLength(1)
@@ -517,15 +499,19 @@ describe("workspace CRUD", () => {
         expect(recorded.calls.create[0].env.OTEL_EXPORTER_OTLP_HEADERS).toBe("authorization=otel")
         expect(recorded.calls.create[0].env.OTEL_EXPORTER_OTLP_ENDPOINT).toBe("https://otel.test")
         expect(recorded.calls.create[0].env.OTEL_RESOURCE_ATTRIBUTES).toBe("service.name=opencode-test")
-      expect((await workspaceStatus()).find((item) => item.workspaceID === workspaceID)?.status).toBe("connected")
+        expect((yield* workspaceStatus()).find((item) => item.workspaceID === workspaceID)?.status).toBe("connected")
 
-      await removeWorkspace(workspaceID)
+        yield* removeWorkspace(workspaceID)
-      expect((await workspaceStatus()).find((item) => item.workspaceID === workspaceID)?.status).toBeUndefined()
+        expect((yield* workspaceStatus()).find((item) => item.workspaceID === workspaceID)?.status).toBeUndefined()
-    })
+      }),
-  })
+    { git: true },
+  )
 
-  test("create propagates configure failures and does not insert a workspace", async () => {
+  it.instance(
-    await withInstance(async (instance) => {
+    "create propagates configure failures and does not insert a workspace",
+    () =>
+      Effect.gen(function* () {
+        const instance = yield* requireInstance
         const type = unique("configure-failure")
         registerAdapter(
           instance.project.id,
@@ -540,15 +526,20 @@ describe("workspace CRUD", () => {
           }).adapter,
         )
 
-      await expect(
+        yield* expectEffectFailure(
           createWorkspace({ type, branch: null, projectID: instance.project.id, extra: null }),
-      ).rejects.toThrow("configure exploded")
+          "configure exploded",
-      expect(await listWorkspaces(instance.project)).toEqual([])
+        )
-    })
+        expect(yield* listWorkspaces(instance.project)).toEqual([])
-  })
+      }),
+    { git: true },
+  )
 
-  test("create leaves the inserted row when adapter create fails", async () => {
+  it.instance(
-    await withInstance(async (instance) => {
+    "create leaves the inserted row when adapter create fails",
+    () =>
+      Effect.gen(function* () {
+        const instance = yield* requireInstance
         const type = unique("create-failure")
         const recorded = recordedAdapter({
           async create() {
@@ -560,35 +551,44 @@ describe("workspace CRUD", () => {
         })
         registerAdapter(instance.project.id, type, recorded.adapter)
 
-      await expect(
+        yield* expectEffectFailure(
           createWorkspace({ type, branch: "branch", projectID: instance.project.id, extra: { x: 1 } }),
-      ).rejects.toThrow("create exploded")
+          "create exploded",
+        )
 
-      const rows = await listWorkspaces(instance.project)
+        const rows = yield* listWorkspaces(instance.project)
         expect(rows).toHaveLength(1)
         expect(rows[0]).toMatchObject({ type, branch: "branch", extra: { x: 1 } })
         expect(recorded.calls.target).toHaveLength(0)
-      await removeWorkspace(rows[0].id)
+        yield* removeWorkspace(rows[0].id)
-    })
+      }),
-  })
+    { git: true },
+  )
 
-  test("create returns after a local workspace reports error", async () => {
+  it.instance(
-    await withInstance(async (instance) => {
+    "create returns after a local workspace reports error",
+    () =>
+      Effect.gen(function* () {
+        const instance = yield* requireInstance
         const type = unique("local-error")
         const missing = path.join(instance.directory, "missing-local-target")
         const recorded = localAdapter(missing, { createDir: false })
         registerAdapter(instance.project.id, type, recorded.adapter)
 
-      const info = await createWorkspace({ type, branch: null, projectID: instance.project.id, extra: null })
+        const info = yield* createWorkspace({ type, branch: null, projectID: instance.project.id, extra: null })
 
         expect(info.directory).toBe(missing)
-      expect((await workspaceStatus()).find((item) => item.workspaceID === info.id)?.status).toBe("error")
+        expect((yield* workspaceStatus()).find((item) => item.workspaceID === info.id)?.status).toBe("error")
-      await removeWorkspace(info.id)
+        yield* removeWorkspace(info.id)
-    })
+      }),
-  })
+    { git: true },
+  )
 
-  test("syncList registers adapter-listed workspaces that are missing by name", async () => {
+  it.instance(
-    await withInstance(async (instance) => {
+    "syncList registers adapter-listed workspaces that are missing by name",
+    () =>
+      Effect.gen(function* () {
+        const instance = yield* requireInstance
         const type = unique("list-sync")
         const existing = workspaceInfo(instance.project.id, type, {
           id: WorkspaceID.ascending("wrk_list_sync_existing"),
@@ -625,22 +625,26 @@ describe("workspace CRUD", () => {
         })
         registerAdapter(instance.project.id, type, recorded.adapter)
 
-      await syncListWorkspaces(instance.project)
+        yield* syncListWorkspaces(instance.project)
-      const synced = (await listWorkspaces(instance.project)).filter((item) => item.name === discovered.name)
+        const synced = (yield* listWorkspaces(instance.project)).filter((item) => item.name === discovered.name)
 
         expect(synced).toHaveLength(1)
         expect(synced[0]).toMatchObject(discovered)
         expect(synced[0]?.id).toStartWith("wrk_")
-      expect(await listWorkspaces(instance.project)).toEqual(expect.arrayContaining([existing, synced[0]]))
+        expect(yield* listWorkspaces(instance.project)).toEqual(expect.arrayContaining([existing, synced[0]]))
         expect(recorded.calls.list).toBe(1)
         expect(recorded.calls.configure).toHaveLength(0)
         expect(recorded.calls.create).toHaveLength(0)
         expect(recorded.calls.target).toHaveLength(1)
-    })
+      }),
-  })
+    { git: true },
+  )
 
-  test("syncList calls every registered adapter with a list method", async () => {
+  it.instance(
-    await withInstance(async (instance) => {
+    "syncList calls every registered adapter with a list method",
+    () =>
+      Effect.gen(function* () {
+        const instance = yield* requireInstance
         const typeA = unique("list-sync-a")
         const typeB = unique("list-sync-b")
         const adapterA = recordedAdapter({
@@ -686,8 +690,8 @@ describe("workspace CRUD", () => {
         registerAdapter(instance.project.id, typeB, adapterB.adapter)
         registerAdapter(instance.project.id, unique("list-sync-none"), noList.adapter)
 
-      await syncListWorkspaces(instance.project)
+        yield* syncListWorkspaces(instance.project)
-      const synced = await listWorkspaces(instance.project)
+        const synced = yield* listWorkspaces(instance.project)
 
         expect(
           synced
@@ -698,8 +702,9 @@ describe("workspace CRUD", () => {
         expect(adapterA.calls.list).toBe(1)
         expect(adapterB.calls.list).toBe(1)
         expect(noList.calls.list).toBe(0)
-    })
+      }),
-  })
+    { git: true },
+  )
 
   it.live("remote create connects to routed event and history endpoints", () => {
     const calls: FetchCall[] = []
@@ -751,11 +756,14 @@ describe("workspace CRUD", () => {
     })
   })
 
-  test("remove returns undefined for a missing workspace", async () => {
+  it.instance(
-    await withInstance(async () => {
+    "remove returns undefined for a missing workspace",
-      expect(await removeWorkspace(WorkspaceID.ascending("wrk_missing_remove"))).toBeUndefined()
+    () =>
-    })
+      Effect.gen(function* () {
-  })
+        expect(yield* removeWorkspace(WorkspaceID.ascending("wrk_missing_remove"))).toBeUndefined()
+      }),
+    { git: true },
+  )
 
   it.instance(
     "remove deletes the workspace, associated sessions, adapter resources, and status",
@@ -791,8 +799,11 @@ describe("workspace CRUD", () => {
     { git: true },
   )
 
-  test("remove still deletes the row when the adapter cannot remove resources", async () => {
+  it.instance(
-    await withInstance(async (instance) => {
+    "remove still deletes the row when the adapter cannot remove resources",
+    () =>
+      Effect.gen(function* () {
+        const instance = yield* requireInstance
         const type = unique("remove-throws")
         const info = workspaceInfo(instance.project.id, type, { id: WorkspaceID.ascending("wrk_remove_throws") })
         registerAdapter(
@@ -809,10 +820,11 @@ describe("workspace CRUD", () => {
         )
         insertWorkspace(info)
 
-      expect(await removeWorkspace(info.id)).toEqual(info)
+        expect(yield* removeWorkspace(info.id)).toEqual(info)
-      expect(await getWorkspace(info.id)).toBeUndefined()
+        expect(yield* getWorkspace(info.id)).toBeUndefined()
-    })
+      }),
-  })
+    { git: true },
+  )
 
   it.instance(
     "sessionWarp moves a session into a local workspace and claims ownership",
@@ -920,28 +932,29 @@ describe("workspace CRUD", () => {
     { git: true },
   )
 
-  test("sessionWarp detaches to the source project when invoked from a workspace instance", async () => {
+  it.instance(
-    await withInstance(async (instance) => {
+    "sessionWarp detaches to the source project when invoked from a workspace instance",
+    () =>
+      Effect.gen(function* () {
+        const instance = yield* requireInstance
         const projectID = instance.project.id
-      await using workspaceTmp = await tmpdir({ git: true })
+        const workspaceDir = path.join(instance.directory, "warp-detach-workspace-instance")
+        yield* Effect.promise(() => initGitRepo(workspaceDir))
         const previousType = unique("warp-detach-workspace-instance")
         const previous = workspaceInfo(projectID, previousType)
         insertWorkspace(previous)
-      registerAdapter(projectID, previousType, localAdapter(workspaceTmp.path, { createDir: false }).adapter)
+        registerAdapter(projectID, previousType, localAdapter(workspaceDir, { createDir: false }).adapter)
-      const session = await AppRuntime.runPromise(
+        const session = yield* SessionNs.Service.use((svc) => svc.create({}))
-        SessionNs.Service.use((svc) => svc.create({})).pipe(Effect.provideService(InstanceRef, instance)),
-      )
         attachSessionToWorkspace(session.id, previous.id)
 
-      const workspaceCtx = await AppRuntime.runPromise(
+        const workspaceCtx = yield* Effect.promise(() =>
-        InstanceStore.Service.use((store) => store.load({ directory: workspaceTmp.path })),
+          withTestInstance({ directory: workspaceDir, fn: (ctx) => ctx }),
+        )
+        const workspaceProjectID = workspaceCtx.project.id
+        expect(workspaceProjectID).not.toBe(projectID)
+        yield* warpWorkspaceSession({ workspaceID: null, sessionID: session.id }).pipe(
+          Effect.provideService(InstanceRef, workspaceCtx),
         )
-      const workspaceProjectID = await context.provide(workspaceCtx, async () => {
-        const id = workspaceCtx.project.id
-        expect(id).not.toBe(projectID)
-        await warpWorkspaceSession({ workspaceID: null, sessionID: session.id })
-        return id
-      })
 
         expect(
           Database.use((db) =>
@@ -954,8 +967,9 @@ describe("workspace CRUD", () => {
         ).toBeNull()
         expect(sessionSequenceOwner(session.id)).toBe(projectID)
         expect(sessionSequenceOwner(session.id)).not.toBe(workspaceProjectID)
-    })
+      }),
-  })
+    { git: true },
+  )
 
   it.live("sessionWarp syncs previous remote history, replays it, steals, and claims the sequence", () => {
     const calls: FetchCall[] = []
@@ -1559,51 +1573,53 @@ describe("workspace sync state", () => {
 })
 
 describe("workspace waitForSync", () => {
-  test("returns immediately for an empty fence", async () => {
+  it.instance("returns immediately for an empty fence", () =>
-    await withInstance(async () => {
+    waitForWorkspaceSync(WorkspaceID.ascending("wrk_wait_empty"), {}),
-      await expect(waitForWorkspaceSync(WorkspaceID.ascending("wrk_wait_empty"), {})).resolves.toBeUndefined()
+  )
-    })
-  })
 
-  test("returns immediately when the stored sequence already satisfies the fence", async () => {
+  it.instance("returns immediately when the stored sequence already satisfies the fence", () =>
-    await withInstance(async () => {
+    Effect.gen(function* () {
       const sessionID = SessionID.descending("ses_wait_done")
       Database.use((db) => db.insert(EventSequenceTable).values({ aggregate_id: sessionID, seq: 4 }).run())
 
-      await expect(
+      yield* waitForWorkspaceSync(WorkspaceID.ascending("wrk_wait_done"), { [sessionID]: 4 })
-        waitForWorkspaceSync(WorkspaceID.ascending("wrk_wait_done"), { [sessionID]: 4 }),
+      yield* waitForWorkspaceSync(WorkspaceID.ascending("wrk_wait_done_2"), { [sessionID]: 3 })
-      ).resolves.toBeUndefined()
+    }),
-      await expect(
+  )
-        waitForWorkspaceSync(WorkspaceID.ascending("wrk_wait_done_2"), { [sessionID]: 3 }),
-      ).resolves.toBeUndefined()
-    })
-  })
 
-  test("waits until the database reaches the requested sequence and a workspace event arrives", async () => {
+  it.instance("waits until the database reaches the requested sequence and a workspace event arrives", () =>
-    await withInstance(async () => {
+    Effect.gen(function* () {
       const workspaceID = WorkspaceID.ascending("wrk_wait_event")
       const sessionID = SessionID.descending("ses_wait_event")
       Database.use((db) => db.insert(EventSequenceTable).values({ aggregate_id: sessionID, seq: 1 }).run())
 
-      const waited = waitForWorkspaceSync(workspaceID, { [sessionID]: 2 })
+      yield* Effect.all(
-      await delay(10)
+        [
+          waitForWorkspaceSync(workspaceID, { [sessionID]: 2 }),
+          Effect.gen(function* () {
+            yield* Effect.sleep("10 millis")
             Database.use((db) =>
               db.update(EventSequenceTable).set({ seq: 2 }).where(eq(EventSequenceTable.aggregate_id, sessionID)).run(),
             )
             GlobalBus.emit("event", { workspace: workspaceID, payload: { type: "anything" } })
+          }),
+        ],
+        { concurrency: 2, discard: true },
+      )
+    }),
+  )
 
-      await expect(waited).resolves.toBeUndefined()
+  it.instance("a sync event for a different workspace can also release the fence", () =>
-    })
+    Effect.gen(function* () {
-  })
-
-  test("a sync event for a different workspace can also release the fence", async () => {
-    await withInstance(async () => {
       const workspaceID = WorkspaceID.ascending("wrk_wait_sync_any")
       const sessionID = SessionID.descending("ses_wait_sync_any")
       Database.use((db) => db.insert(EventSequenceTable).values({ aggregate_id: sessionID, seq: 0 }).run())
 
-      const waited = waitForWorkspaceSync(workspaceID, { [sessionID]: 1 })
+      yield* Effect.all(
-      await delay(10)
+        [
+          waitForWorkspaceSync(workspaceID, { [sessionID]: 1 }),
+          Effect.gen(function* () {
+            yield* Effect.sleep("10 millis")
             Database.use((db) =>
               db.update(EventSequenceTable).set({ seq: 1 }).where(eq(EventSequenceTable.aggregate_id, sessionID)).run(),
             )
@@ -1611,37 +1627,48 @@ describe("workspace waitForSync", () => {
               workspace: WorkspaceID.ascending("wrk_other_workspace"),
               payload: { type: "sync" },
             })
+          }),
+        ],
+        { concurrency: 2, discard: true },
+      )
+    }),
+  )
 
-      await expect(waited).resolves.toBeUndefined()
+  it.instance("rejects with the abort reason when aborted", () =>
-    })
+    Effect.gen(function* () {
-  })
-
-  test("rejects with the abort reason when aborted", async () => {
-    await withInstance(async () => {
       const abort = new AbortController()
       const reason = new Error("caller aborted")
-      const waited = waitForWorkspaceSync(
+      const exit = yield* Effect.exit(
+        Effect.all(
+          [
+            waitForWorkspaceSync(
               WorkspaceID.ascending("wrk_wait_abort"),
               { [SessionID.descending("ses_wait_abort")]: 1 },
               abort.signal,
+            ),
+            Effect.sync(() => abort.abort(reason)),
+          ],
+          { concurrency: 2 },
+        ),
       )
-      abort.abort(reason)
 
-      await expect(waited).rejects.toMatchObject({
+      expect(Exit.isFailure(exit)).toBe(true)
-        _tag: "WorkspaceSyncAbortedError",
+      if (Exit.isFailure(exit)) expect(Cause.pretty(exit.cause)).toContain(reason.message)
-        message: reason.message,
+    }),
-        cause: reason,
+  )
-      })
-    })
-  })
 
-  test("times out with the requested fence in the error message", async () => {
+  it.instance(
-    await withInstance(async () => {
+    "times out with the requested fence in the error message",
+    () =>
+      Effect.gen(function* () {
         const sessionID = SessionID.descending("ses_wait_timeout")
 
-      await expect(waitForWorkspaceSync(WorkspaceID.ascending("wrk_wait_timeout"), { [sessionID]: 1 })).rejects.toThrow(
+        yield* expectEffectFailure(
+          waitForWorkspaceSync(WorkspaceID.ascending("wrk_wait_timeout"), { [sessionID]: 1 }),
           `Timed out waiting for sync fence: {"${sessionID}":1}`,
         )
-    })
+      }),
-  }, 7000)
+    { git: true },
+    7000,
+  )
 })