feat(core): add location-scoped config loading (#29625)

packages/core/test/agent.test.ts

@@ -0,0 +1,105 @@
+import { describe, expect } from "bun:test"
+import { Effect, Exit, Scope } from "effect"
+import { AgentV2 } from "@opencode-ai/core/agent"
+import { testEffect } from "./lib/effect"
+
+const it = testEffect(AgentV2.defaultLayer)
+
+describe("AgentV2", () => {
+  it.effect("starts without agents", () =>
+    Effect.gen(function* () {
+      const agent = yield* AgentV2.Service
+
+      expect(yield* agent.all()).toEqual([])
+      expect(yield* agent.get(AgentV2.ID.make("build"))).toBeUndefined()
+    }),
+  )
+
+  it.effect("materializes replayable agent transforms", () =>
+    Effect.gen(function* () {
+      const agent = yield* AgentV2.Service
+      const id = AgentV2.ID.make("reviewer")
+      const transform = yield* agent.transform()
+
+      yield* transform((editor) =>
+        editor.update(id, (info) => {
+          info.description = "Reviews code"
+          info.mode = "subagent"
+        }),
+      )
+
+      expect(yield* agent.get(id)).toMatchObject({ id, description: "Reviews code", mode: "subagent" })
+      expect((yield* agent.all()).map((info) => info.id)).toEqual([id])
+    }),
+  )
+
+  it.effect("rebuilds state when a transform is replaced", () =>
+    Effect.gen(function* () {
+      const agent = yield* AgentV2.Service
+      const id = AgentV2.ID.make("reviewer")
+      const transform = yield* agent.transform()
+
+      yield* transform((editor) =>
+        editor.update(id, (info) => {
+          info.description = "Old description"
+          info.hidden = true
+        }),
+      )
+      yield* transform((editor) =>
+        editor.update(id, (info) => {
+          info.description = "New description"
+        }),
+      )
+
+      expect(yield* agent.get(id)).toMatchObject({ description: "New description", hidden: false })
+    }),
+  )
+
+  it.effect("removes a transform contribution when its scope closes", () =>
+    Effect.gen(function* () {
+      const agent = yield* AgentV2.Service
+      const id = AgentV2.ID.make("scoped")
+      const scope = yield* Scope.make()
+      const transform = yield* agent.transform().pipe(Scope.provide(scope))
+
+      yield* transform((editor) => editor.update(id, () => {}))
+      expect(yield* agent.get(id)).toBeDefined()
+
+      yield* Scope.close(scope, Exit.void)
+      expect(yield* agent.get(id)).toBeUndefined()
+    }),
+  )
+
+  it.effect("applies direct agent updates", () =>
+    Effect.gen(function* () {
+      const agent = yield* AgentV2.Service
+      const id = AgentV2.ID.make("build")
+
+      yield* agent.update((editor) =>
+        Effect.sync(() =>
+          editor.update(id, (info) => {
+            info.mode = "primary"
+            info.hidden = true
+          }),
+        ),
+      )
+
+      expect(yield* agent.get(id)).toMatchObject({ id, mode: "primary", hidden: true })
+    }),
+  )
+
+  it.effect("creates agents with runtime defaults and supports direct removal", () =>
+    Effect.gen(function* () {
+      const agent = yield* AgentV2.Service
+      const id = AgentV2.ID.make("custom")
+
+      yield* agent.update((editor) => Effect.sync(() => editor.update(id, () => {})))
+      expect(yield* agent.get(id)).toEqual(
+        AgentV2.Info.empty(id),
+      )
+
+      yield* agent.update((editor) => Effect.sync(() => editor.remove(id)))
+      expect(yield* agent.get(id)).toBeUndefined()
+    }),
+  )
+})