refactor(opencode): migrate llm tests to layer nodes (#34479)

packages/opencode/test/agent/plugin-agent-regression.test.ts

@@ -1,16 +1,15 @@
 import { expect } from "bun:test"
-import { FSUtil } from "@opencode-ai/core/fs-util"
-import { LocationServiceMap, locationServiceMapLayer } from "@opencode-ai/core/location-services"
-import { Effect, Layer } from "effect"
-import { FetchHttpClient } from "effect/unstable/http"
+import { Npm } from "@opencode-ai/core/npm"
+import { Effect } from "effect"
 import path from "path"
 import { pathToFileURL } from "url"
 import { Agent } from "../../src/agent/agent"
-import { EventV2Bridge } from "../../src/event-v2-bridge"
-import { Config } from "../../src/config/config"
-import { Env } from "../../src/env"
+import { Account } from "../../src/account/account"
+import { Auth } from "../../src/auth"
 import { RuntimeFlags } from "../../src/effect/runtime-flags"
 import { Plugin } from "../../src/plugin"
+import { Provider } from "../../src/provider/provider"
+import { Skill } from "../../src/skill"
 import { AccountTest } from "../fake/account"
 import { AuthTest } from "../fake/auth"
 import { NpmTest } from "../fake/npm"
@@ -18,6 +17,8 @@ import { ProviderTest } from "../fake/provider"
 import { SkillTest } from "../fake/skill"
 import { testEffect } from "../lib/effect"
 import { PLUGIN_AGENT } from "../fixture/agent-plugin.constants"
+import { AppNodeBuilder } from "@opencode-ai/core/effect/app-node-builder"
+import { LayerNode } from "@opencode-ai/core/effect/layer-node"
 
 // `it.instance` skips InstanceBootstrap so LSP / MCP don't spin up — those
 // services hang during scope teardown on Windows and aren't needed
@@ -25,30 +26,16 @@ import { PLUGIN_AGENT } from "../fixture/agent-plugin.constants"
 const pluginUrl = pathToFileURL(path.join(import.meta.dir, "..", "fixture", "agent-plugin.ts")).href
 
 const provider = ProviderTest.fake()
-const configLayer = Config.layer.pipe(
-  Layer.provide(FSUtil.defaultLayer),
-  Layer.provide(Env.defaultLayer),
-  Layer.provide(AuthTest.empty),
-  Layer.provide(AccountTest.empty),
-  Layer.provide(NpmTest.noop),
-  Layer.provide(FetchHttpClient.layer),
+const it = testEffect(
+  AppNodeBuilder.build(LayerNode.group([Agent.node, Plugin.node]), [
+    [Auth.node, AuthTest.empty],
+    [Account.node, AccountTest.empty],
+    [Npm.node, NpmTest.noop],
+    [Provider.node, provider.layer],
+    [Skill.node, SkillTest.empty],
+    [RuntimeFlags.node, RuntimeFlags.layer({ disableDefaultPlugins: true })],
+  ]),
 )
-const pluginLayer = Plugin.layer.pipe(
-  Layer.provide(EventV2Bridge.defaultLayer),
-  Layer.provide(configLayer),
-  Layer.provide(RuntimeFlags.layer({ disableDefaultPlugins: true })),
-)
-const agentLayer = Agent.layer.pipe(
-  Layer.provide(configLayer),
-  Layer.provide(AuthTest.empty),
-  Layer.provide(SkillTest.empty),
-  Layer.provide(provider.layer),
-  Layer.provide(pluginLayer),
-  Layer.provide(locationServiceMapLayer),
-  Layer.provide(RuntimeFlags.layer({ disableDefaultPlugins: true })),
-)
-
-const it = testEffect(Layer.mergeAll(agentLayer, pluginLayer))
 
 it.instance(
   "plugin-registered agents appear in Agent.list",

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

@@ -5,9 +5,8 @@ import Http from "node:http"
 import path from "node:path"
 import { NodeHttpServer } from "@effect/platform-node"
 import { Effect, Exit, Fiber, Layer, Schema } from "effect"
-import { FetchHttpClient, HttpServer, HttpServerRequest, HttpServerResponse } from "effect/unstable/http"
+import { HttpServer, HttpServerRequest, HttpServerResponse } from "effect/unstable/http"
 import { eq } from "drizzle-orm"
-import { FSUtil } from "@opencode-ai/core/fs-util"
 import { GlobalBus, type GlobalEvent } from "@/bus/global"
 import { Database } from "@opencode-ai/core/database/database"
 import { ProjectV2 } from "@opencode-ai/core/project"
@@ -16,6 +15,7 @@ import { AbsolutePath } from "@opencode-ai/core/schema"
 import { Session as SessionNs } from "@/session/session"
 import { SessionID } from "@/session/schema"
 import { SessionTable } from "@opencode-ai/core/session/sql"
+import { SessionProjector } from "@opencode-ai/core/session/projector"
 import { EventSequenceTable } from "@opencode-ai/core/event/sql"
 import { resetDatabase } from "../fixture/db"
 import { disposeAllInstances, provideTmpdirInstance, requireInstance, TestInstance } from "../fixture/fixture"
@@ -27,13 +27,10 @@ import type { Target, WorkspaceAdapter, WorkspaceInfo } from "../../src/control-
 import * as Workspace from "../../src/control-plane/workspace"
 import { InstanceStore } from "@/project/instance-store"
 import { InstanceBootstrap } from "@/project/bootstrap"
-import { Auth } from "@/auth"
-import { SessionPrompt } from "@/session/prompt"
-import { Project } from "@/project/project"
-import { Vcs } from "@/project/vcs"
 import { RuntimeFlags } from "@/effect/runtime-flags"
-import { EventV2Bridge } from "@/event-v2-bridge"
 import { Ripgrep } from "@opencode-ai/core/ripgrep"
+import { AppNodeBuilder } from "@opencode-ai/core/effect/app-node-builder"
+import { LayerNode } from "@opencode-ai/core/effect/layer-node"
 
 const originalEnv = {
   OPENCODE_AUTH_CONTENT: process.env.OPENCODE_AUTH_CONTENT,
@@ -44,26 +41,24 @@ const originalEnv = {
 }
 
 const workspaceLayer = (experimentalWorkspaces: boolean) =>
-  Workspace.layer.pipe(
-    Layer.provide(Auth.defaultLayer),
-    Layer.provide(SessionNs.defaultLayer),
-    Layer.provide(SessionPrompt.defaultLayer),
-    Layer.provide(Project.defaultLayer),
-    Layer.provide(Vcs.defaultLayer),
-    Layer.provide(Database.defaultLayer),
-    Layer.provide(EventV2Bridge.defaultLayer),
-    Layer.provide(FetchHttpClient.layer),
-    Layer.provide(FSUtil.defaultLayer),
-    Layer.provide(RuntimeFlags.layer({ experimentalWorkspaces })),
-    Layer.provide(Ripgrep.defaultLayer),
-    Layer.provide(InstanceStore.defaultLayer.pipe(Layer.provide(InstanceBootstrap.defaultLayer))),
+  AppNodeBuilder.build(
+    LayerNode.group([
+      Workspace.node,
+      SessionNs.node,
+      SessionProjector.node,
+      Database.node,
+      InstanceStore.node,
+      Ripgrep.node,
+    ]),
+    [
+      [RuntimeFlags.node, RuntimeFlags.layer({ experimentalWorkspaces })],
+      [InstanceBootstrap.node, Layer.succeed(InstanceBootstrap.Service, InstanceBootstrap.Service.of({ run: Effect.void }))],
+    ],
   )
 
 const testServerLayer = Layer.mergeAll(
   NodeHttpServer.layer(Http.createServer, { host: "127.0.0.1", port: 0 }),
   workspaceLayer(true),
-  SessionNs.defaultLayer,
-  Database.defaultLayer,
 )
 const it = testEffect(testServerLayer)
 

packages/opencode/test/plugin/trigger.test.ts

@@ -1,14 +1,11 @@
 import { describe, expect } from "bun:test"
-import { Effect, Layer } from "effect"
-import { FetchHttpClient } from "effect/unstable/http"
+import { Effect } from "effect"
 import { CrossSpawnSpawner } from "@opencode-ai/core/cross-spawn-spawner"
-import { FSUtil } from "@opencode-ai/core/fs-util"
-import { EffectFlock } from "@opencode-ai/core/util/effect-flock"
+import { Npm } from "@opencode-ai/core/npm"
 import path from "path"
 import { pathToFileURL } from "url"
-import { EventV2Bridge } from "../../src/event-v2-bridge"
-import { Config } from "../../src/config/config"
-import { Env } from "../../src/env"
+import { Account } from "../../src/account/account"
+import { Auth } from "../../src/auth"
 import { RuntimeFlags } from "../../src/effect/runtime-flags"
 import { Plugin } from "../../src/plugin/index"
 
@@ -19,25 +16,16 @@ import { AuthTest } from "../fake/auth"
 import { NpmTest } from "../fake/npm"
 import { ProviderV2 } from "@opencode-ai/core/provider"
 import { ModelV2 } from "@opencode-ai/core/model"
+import { AppNodeBuilder } from "@opencode-ai/core/effect/app-node-builder"
+import { LayerNode } from "@opencode-ai/core/effect/layer-node"
 
-const configLayer = Config.layer.pipe(
-  Layer.provide(EffectFlock.defaultLayer),
-  Layer.provide(FSUtil.defaultLayer),
-  Layer.provide(Env.defaultLayer),
-  Layer.provide(AuthTest.empty),
-  Layer.provide(AccountTest.empty),
-  Layer.provide(NpmTest.noop),
-  Layer.provide(FetchHttpClient.layer),
-)
 const it = testEffect(
-  Layer.mergeAll(
-    Plugin.layer.pipe(
-      Layer.provide(EventV2Bridge.defaultLayer),
-      Layer.provide(configLayer),
-      Layer.provide(RuntimeFlags.layer({ disableDefaultPlugins: true })),
-    ),
-    CrossSpawnSpawner.defaultLayer,
-  ),
+  AppNodeBuilder.build(LayerNode.group([Plugin.node, CrossSpawnSpawner.node]), [
+    [Auth.node, AuthTest.empty],
+    [Account.node, AccountTest.empty],
+    [Npm.node, NpmTest.noop],
+    [RuntimeFlags.node, RuntimeFlags.layer({ disableDefaultPlugins: true })],
+  ]),
 )
 const systemHook = "experimental.chat.system.transform"
 

packages/opencode/test/session/llm-native-recorded.test.ts

@@ -1,6 +1,5 @@
 import { ConfigV1 } from "@opencode-ai/core/v1/config/config"
 import { SessionV1 } from "@opencode-ai/core/v1/session"
-import { FSUtil } from "@opencode-ai/core/fs-util"
 import { ModelsDev } from "@opencode-ai/core/models-dev"
 import { HttpRecorder } from "@opencode-ai/http-recorder"
 import { HttpRecorderInternal } from "@opencode-ai/http-recorder/internal"
@@ -10,14 +9,11 @@ import { Effect, Layer, Option, Schema, Stream } from "effect"
 import path from "node:path"
 import z from "zod"
 import { Auth } from "@/auth"
-import { Config } from "@/config/config"
-import { Plugin } from "@/plugin"
 import { Provider } from "@/provider/provider"
 
 import { Filesystem } from "@/util/filesystem"
 import { LLMEvent, LLMResponse } from "@opencode-ai/llm"
-import { LLMClient, RequestExecutor, WebSocketExecutor } from "@opencode-ai/llm/route"
-import { Env } from "@/env"
+import { RequestExecutor } from "@opencode-ai/llm/route"
 import { RuntimeFlags } from "@/effect/runtime-flags"
 import type { Agent } from "../../src/agent/agent"
 import { LLM } from "../../src/session/llm"
@@ -26,6 +22,9 @@ import { TestInstance } from "../fixture/fixture"
 import { testEffect } from "../lib/effect"
 import { ProviderV2 } from "@opencode-ai/core/provider"
 import { ModelV2 } from "@opencode-ai/core/model"
+import { AppNodeBuilder } from "@opencode-ai/core/effect/app-node-builder"
+import { LayerNode } from "@opencode-ai/core/effect/layer-node"
+import { LayerNodePlatform } from "@opencode-ai/core/effect/app-node-platform"
 
 const FIXTURES_DIR = path.join(import.meta.dir, "../fixtures/recordings")
 
@@ -240,7 +239,7 @@ const redactRecordedBody = (body: string) =>
 
 function authLayer(scenario: RecordedScenario) {
   const replayAuth = shouldRecord ? scenario.recordAuth?.() : scenario.replayAuth
-  if (!replayAuth) return Auth.defaultLayer
+  if (!replayAuth) return undefined
   return Layer.mock(Auth.Service)({
     get: (providerID) => Effect.succeed(providerID === scenario.providerID ? replayAuth : undefined),
     all: () => Effect.succeed({ [scenario.providerID]: replayAuth }),
@@ -262,15 +261,6 @@ const modelsFixture = Filesystem.readJson<Record<string, ModelsDev.Provider>>(
 
 function recordedNativeLLMLayer(scenario: RecordedScenario) {
   const auth = authLayer(scenario)
-  const provider = Provider.layer.pipe(
-    Layer.provide(FSUtil.defaultLayer),
-    Layer.provide(Env.defaultLayer),
-    Layer.provide(Config.defaultLayer),
-    Layer.provide(auth),
-    Layer.provide(Plugin.defaultLayer),
-    Layer.provide(ModelsDev.defaultLayer),
-    Layer.provide(RuntimeFlags.defaultLayer),
-  )
   // Only the HTTP client is recorded; RequestExecutor and the opencode LLM stack remain real.
   const metadata = {
     provider: scenario.providerID,
@@ -290,21 +280,11 @@ function recordedNativeLLMLayer(scenario: RecordedScenario) {
         redactor: HttpRecorderInternal.Redactor.make(redact),
       })
     : HttpRecorder.http(scenario.cassette, { directory: FIXTURES_DIR, metadata, redact })
-  const recordedClient = LLMClient.layer.pipe(
-    Layer.provide(Layer.mergeAll(RequestExecutor.layer.pipe(Layer.provide(recordedHttp)), WebSocketExecutor.layer)),
-  )
-
-  return Layer.mergeAll(
-    provider,
-    LLM.layer.pipe(
-      Layer.provide(auth),
-      Layer.provide(Config.defaultLayer),
-      Layer.provide(provider),
-      Layer.provide(Plugin.defaultLayer),
-      Layer.provide(recordedClient),
-      Layer.provide(RuntimeFlags.layer({ experimentalNativeLlm: true })),
-    ),
-  )
+  return AppNodeBuilder.build(LayerNode.group([Provider.node, LLM.node]), [
+    [LayerNodePlatform.requestExecutor, RequestExecutor.layer.pipe(Layer.provide(recordedHttp))],
+    [RuntimeFlags.node, RuntimeFlags.layer({ experimentalNativeLlm: true })],
+    ...(auth ? ([[Auth.node, auth]] as const) : []),
+  ])
 }
 
 const writeConfig = (directory: string, scenario: RecordedScenario, model: ModelsDev.Provider["models"][string]) =>

packages/opencode/test/session/llm.test.ts

@@ -9,13 +9,10 @@ import { InstanceRef } from "../../src/effect/instance-ref"
 import { HttpClientRequest, HttpClientResponse } from "effect/unstable/http"
 import z from "zod"
 import { LLM } from "../../src/session/llm"
-import { LLMClient, RequestExecutor, WebSocketExecutor } from "@opencode-ai/llm/route"
-import { Auth } from "@/auth"
-import { Config } from "@/config/config"
+import { LLMClient, RequestExecutor } from "@opencode-ai/llm/route"
 import { Provider } from "@/provider/provider"
 import { ProviderTransform } from "@/provider/transform"
 import { ModelsDev } from "@opencode-ai/core/models-dev"
-import { Plugin } from "@/plugin"
 
 import { testEffect } from "../lib/effect"
 import type { Agent } from "../../src/agent/agent"
@@ -27,6 +24,9 @@ import { LLMAISDK } from "@/session/llm/ai-sdk"
 import { Session as SessionNs } from "@/session/session"
 import { ProviderV2 } from "@opencode-ai/core/provider"
 import { ModelV2 } from "@opencode-ai/core/model"
+import { AppNodeBuilder } from "@opencode-ai/core/effect/app-node-builder"
+import { LayerNode } from "@opencode-ai/core/effect/layer-node"
+import { LayerNodePlatform } from "@opencode-ai/core/effect/app-node-platform"
 
 type ConfigModel = NonNullable<NonNullable<ConfigV1.Info["provider"]>[string]["models"]>[string]
 
@@ -52,15 +52,13 @@ const openAIConfig = (model: ModelsDev.Provider["models"][string], baseURL: stri
   }
 }
 
-const it = testEffect(Layer.mergeAll(LLM.defaultLayer, Provider.defaultLayer))
+const it = testEffect(AppNodeBuilder.build(LayerNode.group([LLM.node, Provider.node])))
 
 // LLM.stream returns a Stream, not an Effect, so we can't use the serviceUse proxy.
 const drain = (input: LLM.StreamInput) => LLM.Service.use((svc) => svc.stream(input).pipe(Stream.runDrain))
 
-// drainWith builds an isolated runtime so the custom layer fully owns LLM and
-// its transitive deps — `Effect.provide(layer)` over an existing runtime layers
-// the new services on top, but transitive Service overrides (e.g. RequestExecutor)
-// resolved through the outer LLM.defaultLayer leak through.
+// drainWith builds an isolated runtime so custom replacements fully own LLM and
+// its transitive deps.
 const drainWith = (layer: Layer.Layer<LLM.Service>, input: LLM.StreamInput) =>
   Effect.gen(function* () {
     const ctx = yield* InstanceRef
@@ -75,15 +73,14 @@ const drainWith = (layer: Layer.Layer<LLM.Service>, input: LLM.StreamInput) =>
     )
   })
 
-function llmLayerWithExecutor(executor: Layer.Layer<RequestExecutor.Service>, flags: Partial<RuntimeFlags.Info> = {}) {
-  return LLM.layer.pipe(
-    Layer.provide(Auth.defaultLayer),
-    Layer.provide(Config.defaultLayer),
-    Layer.provide(Provider.defaultLayer),
-    Layer.provide(Plugin.defaultLayer),
-    Layer.provide(LLMClient.layer.pipe(Layer.provide(Layer.mergeAll(executor, WebSocketExecutor.layer)))),
-    Layer.provide(RuntimeFlags.layer(flags)),
-  )
+function llmLayerWithExecutor(options: {
+  executor?: Layer.Layer<RequestExecutor.Service>
+  flags?: Partial<RuntimeFlags.Info>
+} = {}) {
+  return AppNodeBuilder.build(LLM.node, [
+    [RuntimeFlags.node, RuntimeFlags.layer(options.flags)],
+    ...(options.executor ? ([[LayerNodePlatform.requestExecutor, options.executor]] as const) : []),
+  ])
 }
 
 describe("session.llm.hasToolCalls", () => {
@@ -1129,14 +1126,10 @@ describe("session.llm.stream", () => {
         } satisfies Agent.Info
 
         yield* drainWith(
-          LLM.layer.pipe(
-            Layer.provide(Auth.defaultLayer),
-            Layer.provide(Config.defaultLayer),
-            Layer.provide(Provider.defaultLayer),
-            Layer.provide(Plugin.defaultLayer),
-            Layer.provide(failingNativeClient),
-            Layer.provide(RuntimeFlags.layer({ experimentalNativeLlm: false })),
-          ),
+          AppNodeBuilder.build(LLM.node, [
+            [LayerNodePlatform.llmClient, failingNativeClient],
+            [RuntimeFlags.node, RuntimeFlags.layer({ experimentalNativeLlm: false })],
+          ]),
           {
             user: {
               id: MessageID.make("msg_user-native-flag-off"),
@@ -1199,7 +1192,7 @@ describe("session.llm.stream", () => {
           temperature: 0.2,
         } satisfies Agent.Info
 
-        yield* drainWith(llmLayerWithExecutor(RequestExecutor.defaultLayer, { experimentalNativeLlm: true }), {
+        yield* drainWith(llmLayerWithExecutor({ flags: { experimentalNativeLlm: true } }), {
           user: {
             id: MessageID.make("msg_user-native"),
             sessionID,
@@ -1282,7 +1275,7 @@ describe("session.llm.stream", () => {
           permission: [{ permission: "*", pattern: "*", action: "allow" }],
         } satisfies Agent.Info
 
-        yield* drainWith(llmLayerWithExecutor(executor, { experimentalNativeLlm: true }), {
+        yield* drainWith(llmLayerWithExecutor({ executor, flags: { experimentalNativeLlm: true } }), {
           user: {
             id: MessageID.make("msg_user-native-injected-tool"),
             sessionID,
@@ -1371,7 +1364,7 @@ describe("session.llm.stream", () => {
           permission: [{ permission: "*", pattern: "*", action: "allow" }],
         } satisfies Agent.Info
 
-        yield* drainWith(llmLayerWithExecutor(RequestExecutor.defaultLayer, { experimentalNativeLlm: true }), {
+        yield* drainWith(llmLayerWithExecutor({ flags: { experimentalNativeLlm: true } }), {
           user: {
             id: MessageID.make("msg_user-native-tool"),
             sessionID,