Merge commit '3c60637c1a27da8ba66888de518d58d5707801f2' as 'repos/effect-smol'

repos/effect-smol/packages/effect/test/Resource.test.ts

@@ -0,0 +1,59 @@
+import { assert, describe, it } from "@effect/vitest"
+import * as Duration from "effect/Duration"
+import * as Effect from "effect/Effect"
+import { identity, pipe } from "effect/Function"
+import * as Ref from "effect/Ref"
+import * as Resource from "effect/Resource"
+import * as Schedule from "effect/Schedule"
+import * as TestClock from "effect/testing/TestClock"
+
+describe("Resource", () => {
+  it.effect("isResource", () =>
+    Effect.gen(function*() {
+      const resource = yield* Resource.manual(Effect.succeed(0))
+      assert.isTrue(Resource.isResource(resource))
+      assert.isFalse(Resource.isResource(new Set([0])))
+    }))
+
+  it.effect("manual refresh updates the cached value", () =>
+    Effect.gen(function*() {
+      const ref = yield* Ref.make(0)
+      const resource = yield* Resource.manual(Ref.get(ref))
+      const result1 = yield* Resource.get(resource)
+      const result2 = yield* pipe(
+        Ref.set(ref, 1),
+        Effect.andThen(Resource.refresh(resource)),
+        Effect.andThen(Resource.get(resource))
+      )
+      assert.strictEqual(result1, 0)
+      assert.strictEqual(result2, 1)
+    }))
+
+  it.effect("manual refresh releases the previous scoped acquisition", () =>
+    Effect.gen(function*() {
+      const ref = yield* Ref.make(0)
+      const resource = yield* Resource.auto(Ref.get(ref), Schedule.spaced(Duration.millis(4)))
+      const result1 = yield* Resource.get(resource)
+      const result2 = yield* pipe(
+        Ref.set(ref, 1),
+        Effect.andThen(TestClock.adjust(Duration.millis(5))),
+        Effect.andThen(Resource.get(resource))
+      )
+      assert.strictEqual(result1, 0)
+      assert.strictEqual(result2, 1)
+    }))
+
+  it.effect("failed refresh doesn't affect cached value", () =>
+    Effect.gen(function*() {
+      const ref = yield* Ref.make<Effect.Effect<number, string>>(Effect.succeed(0))
+      const resource = yield* Resource.auto(Effect.flatMap(Ref.get(ref), identity), Schedule.spaced(Duration.millis(4)))
+      const result1 = yield* Resource.get(resource)
+      const result2 = yield* pipe(
+        Ref.set(ref, Effect.fail("Uh oh!")),
+        Effect.andThen(TestClock.adjust(Duration.millis(5))),
+        Effect.andThen(Resource.get(resource))
+      )
+      assert.strictEqual(result1, 0)
+      assert.strictEqual(result2, 0)
+    }))
+})