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

import * as AWS from "@/AWS";
import * as Core from "@/Test/Core";
import * as Test from "@/Test/Alchemy";
import { Region } from "@distilled.cloud/aws/Region";
import * as sts from "@distilled.cloud/aws/sts";
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 RdsBindingsTestFunctionLive, {
  RdsBindingsTestFunction,
} from "./fixtures/handler";

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

// 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(
  "RDS Bindings",
  { tags: ["provider:aws", "provider:aws:lambda", "provider:aws:rds", "live"] },
  () => {
    beforeAll(
      Effect.gen(function* () {
        yield* Effect.logInfo("RDS test setup: destroying previous resources");
        yield* sharedStack.destroy();

        yield* Effect.logInfo("RDS test setup: deploying fixture");
        const { functionUrl } = yield* sharedStack.deploy(
          Effect.gen(function* () {
            return yield* RdsBindingsTestFunction;
          }).pipe(Effect.provide(RdsBindingsTestFunctionLive)),
        );

        expect(functionUrl).toBeTruthy();
        baseUrl = 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 capabilities initialize in the runtime", (_stack) =>
        Effect.gen(function* () {
          const response = yield* getJson("/bindings");
          expect((response as any).bound).toHaveLength(12);
        }),
      );
    });

    describe("DescribeDBClusters", () => {
      test.provider(
        "surfaces the typed not-found tag for a nonexistent cluster",
        (_stack) =>
          Effect.gen(function* () {
            const response = yield* getJson("/clusters");
            expect((response as any).tag).toBe("DBClusterNotFoundFault");
          }),
      );
    });

    describe("DescribeDBInstances", () => {
      test.provider(
        "surfaces the typed not-found tag for a nonexistent instance",
        (_stack) =>
          Effect.gen(function* () {
            const response = yield* getJson("/instances");
            expect((response as any).tag).toBe("DBInstanceNotFoundFault");
          }),
      );
    });

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

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

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

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

    describe("DeleteDBClusterSnapshot", () => {
      test.provider(
        "surfaces the typed not-found tag for a nonexistent snapshot",
        (_stack) =>
          Effect.gen(function* () {
            const response = yield* getJson("/delete-cluster-snapshot-probe");
            expect((response as any).tag).toBe(
              "DBClusterSnapshotNotFoundFault",
            );
          }),
      );
    });

    describe("CopyDBClusterSnapshot", () => {
      test.provider(
        "surfaces the typed not-found tag for a nonexistent source snapshot",
        (_stack) =>
          Effect.gen(function* () {
            const response = yield* getJson("/copy-cluster-snapshot-probe");
            expect((response as any).tag).toBe(
              "DBClusterSnapshotNotFoundFault",
            );
          }),
      );
    });

    describe("DeleteDBSnapshot", () => {
      test.provider(
        "surfaces the typed not-found tag for a nonexistent snapshot",
        (_stack) =>
          Effect.gen(function* () {
            const response = yield* getJson("/delete-instance-snapshot-probe");
            expect((response as any).tag).toBe("DBSnapshotNotFoundFault");
          }),
      );
    });

    describe("CopyDBSnapshot", () => {
      test.provider(
        "surfaces the typed not-found tag for a nonexistent source snapshot",
        (_stack) =>
          Effect.gen(function* () {
            const response = yield* getJson("/copy-instance-snapshot-probe");
            expect((response as any).tag).toBe("DBSnapshotNotFoundFault");
          }),
      );
    });

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

    describe("ApplyPendingMaintenanceAction", () => {
      test.provider(
        "surfaces the typed not-found tag for a nonexistent resource ARN",
        (_stack) =>
          Effect.gen(function* () {
            // Build a well-formed cluster ARN in this account/region that
            // cannot exist — the apply call must decode ResourceNotFoundFault.
            // (`Region`'s service value is itself an Effect — resolve twice.)
            const region = yield* yield* Region;
            const identity = yield* sts.getCallerIdentity({});
            const arn = `arn:aws:rds:${region}:${identity.Account}:cluster:alchemy-nonexistent-rds-cluster-probe`;
            const response = yield* getJson(
              `/apply-probe?arn=${encodeURIComponent(arn)}`,
            );
            expect((response as any).tag).toBe("ResourceNotFoundFault");
          }),
      );
    });
  },
);