t3-code-android-nightly/.repos/alchemy-effect/packages/alchemy/test/AWS/MemoryDB/Bindings.test.ts

import * as AWS from "@/AWS";
import * as Core from "@/Test/Core";
import * as Test from "@/Test/Alchemy";
import { describe, expect } from "alchemy-test";
import * as Effect from "effect/Effect";
import * as Schedule from "effect/Schedule";
import * as HttpClient from "effect/http/HttpClient";
import MemoryDBBindingsTestFunctionLive, {
  MemoryDBBindingsTestFunction,
} from "./bindings-handler.ts";

const testOptions = { providers: AWS.providers() };
const { test, beforeAll, afterAll } = Test.make(testOptions);
const sharedStack = Core.scratchStack(testOptions, "MemoryDBBindings");

const NONEXISTENT_NAME = "alchemy-memorydb-nonexistent-probe";

// Lambda function URL cold-start (DNS, IAM propagation, init) can take well
// over 60s on a fresh deploy.
const readinessPolicy = Schedule.max([
  Schedule.fixed("2 seconds"),
  Schedule.recurs(75),
]);

let baseUrl: string;

const getJson = (path: string) =>
  HttpClient.get(`${baseUrl}${path}`).pipe(
    Effect.flatMap((response) =>
      response.status >= 500
        ? Effect.fail(new Error(`transient upstream ${response.status}`))
        : Effect.succeed(response),
    ),
    Effect.retry({
      schedule: Schedule.max([
        Schedule.exponential("500 millis"),
        Schedule.recurs(6),
      ]),
    }),
    Effect.flatMap((r) => r.json),
  );

describe.sequential(
  "MemoryDB Bindings",
  {
    tags: [
      "provider:aws",
      "provider:aws:batch",
      "provider:aws:lambda",
      "provider:aws:memorydb",
      "live",
    ],
  },
  () => {
    beforeAll(
      Effect.gen(function* () {
        yield* Effect.logInfo(
          "MemoryDB bindings setup: destroying previous resources",
        );
        yield* sharedStack.destroy();

        yield* Effect.logInfo("MemoryDB bindings setup: deploying fixture");
        const attrs = yield* sharedStack.deploy(
          Effect.gen(function* () {
            return yield* MemoryDBBindingsTestFunction;
          }).pipe(Effect.provide(MemoryDBBindingsTestFunctionLive)),
        );

        expect(attrs.functionUrl).toBeTruthy();
        baseUrl = attrs.functionUrl!.replace(/\/+$/, "");

        const readinessUrl = `${baseUrl}/bindings`;
        yield* HttpClient.get(readinessUrl).pipe(
          Effect.flatMap((response) =>
            response.status === 200
              ? Effect.succeed(response)
              : Effect.fail(
                  new Error(`Function not ready: ${response.status}`),
                ),
          ),
          Effect.retry({ schedule: readinessPolicy }),
        );
      }),
      { timeout: 240_000 },
    );

    afterAll(sharedStack.destroy(), { timeout: 120_000 });

    describe("binding registration", () => {
      test.provider("all eight capabilities initialize in the runtime", () =>
        Effect.gen(function* () {
          const response = yield* getJson("/bindings");
          expect((response as any).bound).toHaveLength(8);
        }),
      );
    });

    describe("DescribeClusters", () => {
      test.provider("lists the account's clusters", () =>
        Effect.gen(function* () {
          const response = yield* getJson("/clusters");
          expect((response as any).count).toBeGreaterThanOrEqual(0);
        }),
      );

      test.provider("surfaces the typed not-found tag", () =>
        Effect.gen(function* () {
          const response = yield* getJson(
            `/cluster-probe?name=${NONEXISTENT_NAME}`,
          );
          expect((response as any).tag).toBe("ClusterNotFoundFault");
        }),
      );
    });

    describe("DescribeSnapshots", () => {
      test.provider("lists the account's snapshots", () =>
        Effect.gen(function* () {
          const response = yield* getJson("/snapshots");
          expect((response as any).count).toBeGreaterThanOrEqual(0);
        }),
      );
    });

    describe("DescribeEvents", () => {
      test.provider("lists recent cluster events", () =>
        Effect.gen(function* () {
          const response = yield* getJson("/events");
          expect((response as any).count).toBeGreaterThanOrEqual(0);
        }),
      );
    });

    describe("DescribeServiceUpdates", () => {
      test.provider("lists the account's service updates", () =>
        Effect.gen(function* () {
          const response = yield* getJson("/service-updates");
          expect((response as any).count).toBeGreaterThanOrEqual(0);
        }),
      );
    });

    describe("DescribeEngineVersions", () => {
      test.provider("lists supported valkey engine versions", () =>
        Effect.gen(function* () {
          const response = yield* getJson("/engine-versions");
          expect((response as any).count).toBeGreaterThanOrEqual(1);
        }),
      );
    });

    describe("BatchUpdateCluster", () => {
      test.provider("rejects a nonexistent cluster with a typed outcome", () =>
        Effect.gen(function* () {
          const response = yield* getJson(
            `/batch-probe?name=${NONEXISTENT_NAME}`,
          );
          const { unprocessed, tag } = response as {
            unprocessed: number;
            tag: string;
          };
          // Either the cluster comes back unprocessed or the call is rejected
          // with a typed tag — an IAM gap would have 500'd the route instead.
          // Observed live: ServiceUpdateNotFoundFault ("Service Update ...
          // not found").
          expect(
            unprocessed >= 1 ||
              [
                "ServiceUpdateNotFoundFault",
                "InvalidParameterCombinationException",
                "InvalidParameterValueException",
              ].includes(tag),
          ).toBe(true);
        }),
      );
    });

    describe("DeleteSnapshot", () => {
      test.provider("surfaces the typed not-found tag", () =>
        Effect.gen(function* () {
          const response = yield* getJson(
            `/delete-probe?name=${NONEXISTENT_NAME}`,
          );
          // ServiceLinkedRoleNotFoundFault: MemoryDB validates the SLR before
          // snapshot existence in accounts that never kept a cluster.
          expect([
            "SnapshotNotFoundFault",
            "ServiceLinkedRoleNotFoundFault",
          ]).toContain((response as any).tag);
        }),
      );
    });

    describe("CopySnapshot", () => {
      test.provider(
        "rejects a nonexistent source snapshot with a typed tag",
        () =>
          Effect.gen(function* () {
            const response = yield* getJson(
              `/copy-probe?name=${NONEXISTENT_NAME}`,
            );
            expect([
              "SnapshotNotFoundFault",
              "InvalidParameterValueException",
              "ServiceLinkedRoleNotFoundFault",
            ]).toContain((response as any).tag);
          }),
      );
    });
  },
);