t3-code-android-nightly/.repos/alchemy-effect/packages/alchemy/test/AWS/EKS/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 EksTestFunctionLive, { EksTestFunction } from "./handler.ts";

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

// 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 ${response.status}`))
        : Effect.succeed(response),
    ),
    // The fixture occasionally answers a transient 5xx under load (cold
    // re-init, IAM propagation on the freshly attached policy). Bounded retry.
    Effect.retry({
      schedule: Schedule.max([
        Schedule.exponential("500 millis"),
        Schedule.recurs(6),
      ]),
    }),
    Effect.flatMap((response) => response.json),
  );

// The account-scoped EKS bindings need no cluster: ListClusters,
// ListAccessPolicies, DescribeClusterVersions, DescribeAddonVersions, and
// DescribeAddonConfiguration all answer against the account/region and the
// AWS-managed catalogs. The cluster-scoped bindings are exercised by the
// env-gated ClusterBindings.test.ts (an EKS control plane takes ~10+ minutes
// to provision — far beyond the routine test budget).
describe.sequential(
  "EKS Bindings",
  { tags: ["provider:aws", "provider:aws:eks", "provider:aws:lambda", "live"] },
  () => {
    beforeAll(
      Effect.gen(function* () {
        yield* Effect.logInfo("EKS test setup: destroying previous resources");
        yield* sharedStack.destroy();

        yield* Effect.logInfo("EKS test setup: deploying fixture");
        const attrs = yield* sharedStack.deploy(
          Effect.gen(function* () {
            return yield* EksTestFunction;
          }).pipe(Effect.provide(EksTestFunctionLive)),
        );

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

        const readinessUrl = `${baseUrl}/bindings`;
        yield* Effect.logInfo(
          `EKS test setup: probing readiness at ${readinessUrl}`,
        );
        yield* HttpClient.get(readinessUrl).pipe(
          Effect.flatMap((response) =>
            response.status === 200
              ? Effect.succeed(response)
              : Effect.fail(
                  new Error(`Function not ready: ${response.status}`),
                ),
          ),
          Effect.tapError((error) =>
            Effect.logWarning(
              `EKS test setup: fixture not ready yet (${String(error)})`,
            ),
          ),
          Effect.retry({ schedule: readinessPolicy }),
        );
      }),
      { timeout: 240_000 },
    );

    afterAll(
      Effect.gen(function* () {
        yield* sharedStack.destroy();
      }),
      { timeout: 120_000 },
    );

    describe("binding registration", () => {
      test.provider("all 5 capabilities initialize in the runtime", (_stack) =>
        Effect.gen(function* () {
          const response = (yield* getJson("/bindings")) as { bound: string[] };
          expect(response.bound).toHaveLength(5);
          expect(response.bound).toContain("listClusters");
          expect(response.bound).toContain("describeAddonConfiguration");
        }),
      );
    });

    describe("ListClusters", () => {
      test.provider("enumerates the account's clusters", (_stack) =>
        Effect.gen(function* () {
          const response = (yield* getJson("/clusters")) as { count: number };
          expect(typeof response.count).toBe("number");
          expect(response.count).toBeGreaterThanOrEqual(0);
        }),
      );
    });

    describe("ListAccessPolicies", () => {
      test.provider("returns the AWS-managed access policy catalog", (_stack) =>
        Effect.gen(function* () {
          const response = (yield* getJson("/access-policies")) as {
            count: number;
            names: string[];
          };
          // AWS ships a standing set of managed policies
          // (AmazonEKSAdminPolicy, AmazonEKSViewPolicy, …).
          expect(response.count).toBeGreaterThan(0);
          expect(response.names).toContain("AmazonEKSViewPolicy");
        }),
      );
    });

    describe("DescribeClusterVersions", () => {
      test.provider("reports a default Kubernetes version", (_stack) =>
        Effect.gen(function* () {
          const response = (yield* getJson("/cluster-versions")) as {
            count: number;
            defaultVersion?: string;
          };
          expect(response.count).toBeGreaterThan(0);
          expect(response.defaultVersion).toMatch(/^\d+\.\d+$/);
        }),
      );
    });

    describe("DescribeAddonVersions", () => {
      test.provider("finds the vpc-cni add-on in the catalog", (_stack) =>
        Effect.gen(function* () {
          const response = (yield* getJson("/addon-versions")) as {
            count: number;
            addonName?: string;
          };
          expect(response.count).toBe(1);
          expect(response.addonName).toBe("vpc-cni");
        }),
      );
    });

    describe("DescribeAddonConfiguration", () => {
      test.provider(
        "reads the configuration schema for a live vpc-cni version",
        (_stack) =>
          Effect.gen(function* () {
            const response = (yield* getJson("/addon-schema")) as {
              addonVersion?: string;
              hasSchema?: boolean;
            };
            expect(response.addonVersion).toBeTruthy();
            expect(response.hasSchema).toBe(true);
          }),
      );
    });
  },
);