import { assert, describe, it } from "@effect/vitest";import { Effect, Exit, Metric, Stream } from "effect"; import {  observeRpcEffect,  observeRpcStream,  observeRpcStreamEffect,} from "./RpcInstrumentation.ts"; const hasMetricSnapshot = (  snapshots: ReadonlyArray<Metric.Metric.Snapshot>,  id: string,  attributes: Readonly<Record<string, string>>,) =>  snapshots.some(    (snapshot) =>      snapshot.id === id &&      Object.entries(attributes).every(([key, value]) => snapshot.attributes?.[key] === value),  ); describe("RpcInstrumentation", () => {  it.effect("records success metrics for unary RPC handlers", () =>    Effect.gen(function* () {      yield* observeRpcEffect("rpc.instrumentation.success", Effect.succeed("ok"), {        "rpc.aggregate": "test",      }).pipe(Effect.withSpan("rpc.instrumentation.success.span"));       const snapshots = yield* Metric.snapshot;       assert.equal(        hasMetricSnapshot(snapshots, "t3_rpc_requests_total", {          method: "rpc.instrumentation.success",          outcome: "success",        }),        true,      );      assert.equal(        hasMetricSnapshot(snapshots, "t3_rpc_request_duration", {          method: "rpc.instrumentation.success",        }),        true,      );    }),  );   it.effect("records failure outcomes for unary RPC handlers", () =>    Effect.gen(function* () {      yield* Effect.exit(        observeRpcEffect("rpc.instrumentation.failure", Effect.fail("boom"), {          "rpc.aggregate": "test",        }).pipe(Effect.withSpan("rpc.instrumentation.failure.span")),      );       const snapshots = yield* Metric.snapshot;       assert.equal(        hasMetricSnapshot(snapshots, "t3_rpc_requests_total", {          method: "rpc.instrumentation.failure",          outcome: "failure",        }),        true,      );      assert.equal(        hasMetricSnapshot(snapshots, "t3_rpc_request_duration", {          method: "rpc.instrumentation.failure",        }),        true,      );    }),  );   it.effect("records subscription activation metrics for stream RPC handlers", () =>    Effect.gen(function* () {      const events = yield* Stream.runCollect(        observeRpcStreamEffect(          "rpc.instrumentation.stream",          Effect.succeed(Stream.make("a", "b")),          { "rpc.aggregate": "test" },        ).pipe(Stream.withSpan("rpc.instrumentation.stream.span")),      );       assert.deepStrictEqual(Array.from(events), ["a", "b"]);       const snapshots = yield* Metric.snapshot;       assert.equal(        hasMetricSnapshot(snapshots, "t3_rpc_requests_total", {          method: "rpc.instrumentation.stream",          outcome: "success",        }),        true,      );      assert.equal(        hasMetricSnapshot(snapshots, "t3_rpc_request_duration", {          method: "rpc.instrumentation.stream",        }),        true,      );    }),  );   it.effect("records failure outcomes for direct stream RPC handlers during consumption", () =>    Effect.gen(function* () {      const exit = yield* Stream.runCollect(        observeRpcStream(          "rpc.instrumentation.stream.failure",          Stream.make("a").pipe(Stream.concat(Stream.fail("boom"))),          { "rpc.aggregate": "test" },        ).pipe(Stream.withSpan("rpc.instrumentation.stream.failure.span")),      ).pipe(Effect.exit);       assert.equal(Exit.isFailure(exit), true);       const snapshots = yield* Metric.snapshot;       assert.equal(        hasMetricSnapshot(snapshots, "t3_rpc_requests_total", {          method: "rpc.instrumentation.stream.failure",          outcome: "failure",        }),        true,      );      assert.equal(        hasMetricSnapshot(snapshots, "t3_rpc_request_duration", {          method: "rpc.instrumentation.stream.failure",        }),        true,      );    }),  );   it.effect("records failure outcomes when a stream RPC effect produces a failing stream", () =>    Effect.gen(function* () {      const exit = yield* Stream.runCollect(        observeRpcStreamEffect(          "rpc.instrumentation.stream.effect.failure",          Effect.succeed(Stream.fail("boom")),          { "rpc.aggregate": "test" },        ).pipe(Stream.withSpan("rpc.instrumentation.stream.effect.failure.span")),      ).pipe(Effect.exit);       assert.equal(Exit.isFailure(exit), true);       const snapshots = yield* Metric.snapshot;       assert.equal(        hasMetricSnapshot(snapshots, "t3_rpc_requests_total", {          method: "rpc.instrumentation.stream.effect.failure",          outcome: "failure",        }),        true,      );      assert.equal(        hasMetricSnapshot(snapshots, "t3_rpc_request_duration", {          method: "rpc.instrumentation.stream.effect.failure",        }),        true,      );    }),  );});