t3-code-android-nightly/.repos/alchemy-effect/packages/alchemy/test/AWS/WAFv2/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 Data from "effect/Data";
import * as Effect from "effect/Effect";
import * as Schedule from "effect/Schedule";
import * as HttpClient from "effect/http/HttpClient";
import * as HttpClientRequest from "effect/http/HttpClientRequest";
import Wafv2BindingsFunctionLive, { Wafv2BindingsFunction } from "./handler";

const testOptions = { providers: AWS.providers() };
const { test, beforeAll, afterAll } = Test.make(testOptions);
const sharedStack = Core.scratchStack(testOptions, "Wafv2Bindings");

// 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;

class TransientUpstream extends Data.TaggedError("TransientUpstream")<{
  readonly status: number;
  readonly body: string;
}> {}

// The shared Lambda fixture occasionally answers a transient 5xx under load
// (cold re-init, IAM propagation on the freshly attached policy). Retry only
// 5xx; a genuine 4xx/assertion failure surfaces immediately.
const send = (request: HttpClientRequest.HttpClientRequest) =>
  HttpClient.execute(request).pipe(
    Effect.flatMap((response) =>
      response.status >= 500
        ? response.text.pipe(
            Effect.flatMap((body) =>
              Effect.fail(
                new TransientUpstream({ status: response.status, body }),
              ),
            ),
          )
        : Effect.succeed(response),
    ),
    Effect.retry({
      while: (e) => e._tag === "TransientUpstream",
      schedule: Schedule.max([
        Schedule.exponential("500 millis"),
        Schedule.recurs(6),
      ]),
    }),
  );

const getJson = (path: string) =>
  send(HttpClientRequest.get(`${baseUrl}${path}`)).pipe(
    Effect.flatMap((r) => r.json),
  );

const postJson = (path: string, body: object) =>
  send(
    HttpClientRequest.post(`${baseUrl}${path}`).pipe(
      HttpClientRequest.bodyJsonUnsafe(body),
    ),
  ).pipe(Effect.flatMap((r) => r.json));

describe.sequential(
  "WAFv2 Bindings",
  {
    tags: ["provider:aws", "provider:aws:lambda", "provider:aws:wafv2", "live"],
  },
  () => {
    beforeAll(
      Effect.gen(function* () {
        yield* Effect.logInfo(
          "WAFv2 test setup: destroying previous resources",
        );
        yield* sharedStack.destroy();

        yield* Effect.logInfo("WAFv2 test setup: deploying fixture");
        const attrs = yield* sharedStack.deploy(
          Effect.gen(function* () {
            return yield* Wafv2BindingsFunction;
          }).pipe(Effect.provide(Wafv2BindingsFunctionLive)),
        );

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

        const readinessUrl = `${baseUrl}/bindings`;
        yield* Effect.logInfo(
          `WAFv2 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: ${response.status}`),
                ),
          ),
          Effect.tapError((error) =>
            Effect.logWarning(
              `WAFv2 test setup: fixture not ready yet (${String(error)})`,
            ),
          ),
          Effect.retry({ schedule: readinessPolicy }),
        );
      }),
      { timeout: 600_000 },
    );

    afterAll(process.env.NO_DESTROY ? Effect.void : sharedStack.destroy(), {
      timeout: 600_000,
    });

    describe("binding registration", () => {
      test.provider("all 20 capabilities initialize in the runtime", (_stack) =>
        Effect.gen(function* () {
          const response = (yield* getJson("/bindings")) as { bound: string[] };
          expect(response.bound).toHaveLength(20);
          expect(response.bound).toContain("getIPSet");
          expect(response.bound).toContain("updateIPSet");
          expect(response.bound).toContain("checkCapacity");
          expect(response.bound).toContain("getWebACLForResource");
        }),
      );
    });

    describe("GetIPSet / UpdateIPSet", () => {
      test.provider(
        "reads and replaces the dynamic block list (LockToken handled)",
        (_stack) =>
          Effect.gen(function* () {
            const initial = (yield* getJson("/ip-set")) as {
              addresses: string[];
              description: string;
            };
            expect(initial.addresses).toEqual(["192.0.2.44/32"]);
            expect(initial.description).toBe("bindings fixture");

            const updated = (yield* postJson("/ip-set", {
              addresses: ["192.0.2.44/32", "198.51.100.7/32"],
            })) as { addresses: string[] };
            expect(updated.addresses).toEqual([
              "192.0.2.44/32",
              "198.51.100.7/32",
            ]);

            // restore for idempotent re-runs
            const restored = (yield* postJson("/ip-set", {
              addresses: ["192.0.2.44/32"],
            })) as { addresses: string[] };
            expect(restored.addresses).toEqual(["192.0.2.44/32"]);
          }),
        { timeout: 120_000 },
      );
    });

    describe("GetSampledRequests", () => {
      test.provider("reads the (empty) sample for the rate rule", (_stack) =>
        Effect.gen(function* () {
          const response = (yield* getJson("/sampled")) as {
            sampled: number;
            populationSize: number;
          };
          expect(response.sampled).toBe(0);
        }),
      );
    });

    describe("GetRateBasedStatementManagedKeys", () => {
      test.provider("reads the currently rate-limited addresses", (_stack) =>
        Effect.gen(function* () {
          const response = (yield* getJson("/rate-keys")) as {
            v4: number;
            v4Version: string | null;
          };
          expect(response.v4).toBe(0);
          expect(response.v4Version).toBe("IPV4");
        }),
      );
    });

    describe("ListResourcesForWebACL", () => {
      test.provider("lists no associated resources", (_stack) =>
        Effect.gen(function* () {
          const response = (yield* getJson("/resources")) as {
            resources: string[];
          };
          expect(response.resources).toEqual([]);
        }),
      );
    });

    describe("GetTopPathStatisticsByTraffic", () => {
      test.provider("returns data or the typed pricing-plan gate", (_stack) =>
        Effect.gen(function* () {
          const response = (yield* getJson("/top-paths")) as {
            ok: boolean;
            tag: string | null;
          };
          if (!response.ok) {
            // account without the bot-statistics pricing plan — the typed
            // tag proves the grant + wiring reached WAF
            expect([
              "WAFFeatureNotIncludedInPricingPlanException",
              "WAFInvalidOperationException",
              "WAFNonexistentItemException",
            ]).toContain(response.tag);
          }
        }),
      );
    });

    describe("PutPermissionPolicy / GetPermissionPolicy / DeletePermissionPolicy", () => {
      test.provider("shares and unshares the rule group", (_stack) =>
        Effect.gen(function* () {
          const response = (yield* getJson("/permission-policy")) as {
            beforePolicy: string | null;
            hasPolicy: boolean;
            deleted: boolean;
          };
          expect(response.beforePolicy).toBeNull();
          expect(response.hasPolicy).toBe(true);
          expect(response.deleted).toBe(true);
        }),
      );
    });

    describe("CheckCapacity", () => {
      test.provider("computes the WCU cost of a geo-match rule", (_stack) =>
        Effect.gen(function* () {
          const response = (yield* getJson("/capacity")) as {
            capacity: number;
          };
          expect(response.capacity).toBeGreaterThan(0);
        }),
      );
    });

    describe("CAPTCHA API keys", () => {
      test.provider(
        "mints, lists, decrypts, and deletes an API key",
        (_stack) =>
          Effect.gen(function* () {
            const response = (yield* getJson("/api-keys")) as {
              created: boolean;
              listed: number;
              domains: string[];
              deleted: boolean;
            };
            expect(response.created).toBe(true);
            expect(response.listed).toBeGreaterThan(0);
            expect(response.domains).toContain("example.com");
            expect(response.deleted).toBe(true);
          }),
      );
    });

    describe("managed rule group catalog", () => {
      test.provider(
        "lists groups and describes the common rule set",
        (_stack) =>
          Effect.gen(function* () {
            const response = (yield* getJson("/managed")) as {
              groups: number;
              capacity: number;
              currentDefaultVersion: string | null;
            };
            expect(response.groups).toBeGreaterThan(0);
            expect(response.capacity).toBeGreaterThan(0);
            expect(response.currentDefaultVersion).toBeTruthy();
          }),
      );

      test.provider("reads the managed products catalog", (_stack) =>
        Effect.gen(function* () {
          const response = (yield* getJson("/products")) as {
            all: number;
            aws: number;
          };
          expect(response.all).toBeGreaterThan(0);
          expect(response.aws).toBeGreaterThan(0);
        }),
      );
    });

    describe("GetWebACLForResource", () => {
      test.provider(
        "returns not-found for an unassociated resource (typed)",
        (_stack) =>
          Effect.gen(function* () {
            const response = (yield* getJson("/waf-for-resource")) as {
              found: boolean;
            };
            expect(response.found).toBe(false);
          }),
      );
    });
  },
);