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

repos/effect-smol/packages/effect/test/unstable/sql/SqlResolver.test.ts

@@ -0,0 +1,37 @@
+import { assert, describe, it } from "@effect/vitest"
+import { Effect } from "effect"
+import * as Schema from "effect/Schema"
+import { SqlResolver } from "effect/unstable/sql"
+
+describe("SqlResolver", () => {
+  describe("findById", () => {
+    it.effect("deduplicates requests by id", () =>
+      Effect.gen(function*() {
+        const batches: Array<Array<number>> = []
+        const FindById = SqlResolver.findById({
+          Id: Schema.Number,
+          Result: Schema.Struct({ id: Schema.Number, name: Schema.String }),
+          ResultId: (result) => result.id,
+          execute: (ids) => {
+            batches.push([...ids])
+            return Effect.succeed(ids.map((id) => ({ id, name: `name${id}` })))
+          }
+        })
+        const execute = SqlResolver.request(FindById)
+
+        assert.deepStrictEqual(
+          yield* Effect.all({
+            one: execute(1),
+            oneAgain: execute(1),
+            two: execute(2)
+          }, { concurrency: "unbounded" }),
+          {
+            one: { id: 1, name: "name1" },
+            oneAgain: { id: 1, name: "name1" },
+            two: { id: 2, name: "name2" }
+          }
+        )
+        assert.deepStrictEqual(batches, [[1, 2]])
+      }))
+  })
+})