refactor(provider): effectify ProviderAuthService (#17227)

packages/opencode/test/util/instance-state.test.ts

@@ -0,0 +1,139 @@
+import { afterEach, expect, test } from "bun:test"
+import { Effect } from "effect"
+
+import { Instance } from "../../src/project/instance"
+import { InstanceState } from "../../src/util/instance-state"
+import { tmpdir } from "../fixture/fixture"
+
+async function access<A, E>(state: InstanceState.State<A, E>, dir: string) {
+  return Instance.provide({
+    directory: dir,
+    fn: () => Effect.runPromise(InstanceState.get(state)),
+  })
+}
+
+afterEach(async () => {
+  await Instance.disposeAll()
+})
+
+test("InstanceState caches values for the same instance", async () => {
+  await using tmp = await tmpdir()
+  let n = 0
+
+  await Effect.runPromise(
+    Effect.scoped(
+      Effect.gen(function* () {
+        const state = yield* InstanceState.make({
+          lookup: () => Effect.sync(() => ({ n: ++n })),
+        })
+
+        const a = yield* Effect.promise(() => access(state, tmp.path))
+        const b = yield* Effect.promise(() => access(state, tmp.path))
+
+        expect(a).toBe(b)
+        expect(n).toBe(1)
+      }),
+    ),
+  )
+})
+
+test("InstanceState isolates values by directory", async () => {
+  await using a = await tmpdir()
+  await using b = await tmpdir()
+  let n = 0
+
+  await Effect.runPromise(
+    Effect.scoped(
+      Effect.gen(function* () {
+        const state = yield* InstanceState.make({
+          lookup: (dir) => Effect.sync(() => ({ dir, n: ++n })),
+        })
+
+        const x = yield* Effect.promise(() => access(state, a.path))
+        const y = yield* Effect.promise(() => access(state, b.path))
+        const z = yield* Effect.promise(() => access(state, a.path))
+
+        expect(x).toBe(z)
+        expect(x).not.toBe(y)
+        expect(n).toBe(2)
+      }),
+    ),
+  )
+})
+
+test("InstanceState is disposed on instance reload", async () => {
+  await using tmp = await tmpdir()
+  const seen: string[] = []
+  let n = 0
+
+  await Effect.runPromise(
+    Effect.scoped(
+      Effect.gen(function* () {
+        const state = yield* InstanceState.make({
+          lookup: () => Effect.sync(() => ({ n: ++n })),
+          release: (value) =>
+            Effect.sync(() => {
+              seen.push(String(value.n))
+            }),
+        })
+
+        const a = yield* Effect.promise(() => access(state, tmp.path))
+        yield* Effect.promise(() => Instance.reload({ directory: tmp.path }))
+        const b = yield* Effect.promise(() => access(state, tmp.path))
+
+        expect(a).not.toBe(b)
+        expect(seen).toEqual(["1"])
+      }),
+    ),
+  )
+})
+
+test("InstanceState is disposed on disposeAll", async () => {
+  await using a = await tmpdir()
+  await using b = await tmpdir()
+  const seen: string[] = []
+
+  await Effect.runPromise(
+    Effect.scoped(
+      Effect.gen(function* () {
+        const state = yield* InstanceState.make({
+          lookup: (dir) => Effect.sync(() => ({ dir })),
+          release: (value) =>
+            Effect.sync(() => {
+              seen.push(value.dir)
+            }),
+        })
+
+        yield* Effect.promise(() => access(state, a.path))
+        yield* Effect.promise(() => access(state, b.path))
+        yield* Effect.promise(() => Instance.disposeAll())
+
+        expect(seen.sort()).toEqual([a.path, b.path].sort())
+      }),
+    ),
+  )
+})
+
+test("InstanceState dedupes concurrent lookups for the same directory", async () => {
+  await using tmp = await tmpdir()
+  let n = 0
+
+  await Effect.runPromise(
+    Effect.scoped(
+      Effect.gen(function* () {
+        const state = yield* InstanceState.make({
+          lookup: () =>
+            Effect.promise(async () => {
+              n += 1
+              await Bun.sleep(10)
+              return { n }
+            }),
+        })
+
+        const [a, b] = yield* Effect.promise(() => Promise.all([access(state, tmp.path), access(state, tmp.path)]))
+        expect(a).toBe(b)
+        expect(n).toBe(1)
+      }),
+    ),
+  )
+})