t3-code-android-nightly/.repos/alchemy-effect/packages/alchemy/test/AWS/Budgets/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 BudgetsTestFunctionLive, {
  BudgetsTestFunction,
  fixtureBudgetName,
} from "./handler";

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

// 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 that the
// handler's `Effect.orDie` surfaces as a 500). 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),
      ]),
    }),
  );

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

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

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

        const readinessUrl = `${baseUrl}/bindings`;
        yield* Effect.logInfo(
          `Budgets 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: ${response.status}`),
                ),
          ),
          Effect.tapError((error) =>
            Effect.logWarning(
              `Budgets test setup: fixture not ready yet (${String(error)})`,
            ),
          ),
          Effect.retry({ schedule: readinessPolicy }),
        );
      }),
      { timeout: 300_000 },
    );

    afterAll(sharedStack.destroy(), { timeout: 180_000 });

    describe("binding registration", () => {
      test.provider("all 7 capabilities initialize in the runtime", (_stack) =>
        Effect.gen(function* () {
          const response = yield* send(
            HttpClientRequest.get(`${baseUrl}/bindings`),
          ).pipe(Effect.flatMap((r) => r.json));
          expect((response as any).bound).toHaveLength(7);
        }),
      );
    });

    describe("DescribeBudget", () => {
      test.provider("reads the fixture budget's definition", (_stack) =>
        Effect.gen(function* () {
          const response = yield* send(
            HttpClientRequest.get(`${baseUrl}/budget`),
          ).pipe(Effect.flatMap((r) => r.json));
          expect((response as any).name).toBe(fixtureBudgetName);
          expect(Number((response as any).limitAmount)).toBe(1_000_000);
          expect((response as any).limitUnit).toBe("USD");
          expect((response as any).timeUnit).toBe("MONTHLY");
        }),
      );
    });

    describe("DescribeBudgetPerformanceHistory", () => {
      test.provider(
        "reads the budget's history (fresh budget: >= 0 periods)",
        (_stack) =>
          Effect.gen(function* () {
            const response = yield* send(
              HttpClientRequest.get(`${baseUrl}/history`),
            ).pipe(Effect.flatMap((r) => r.json));
            expect(typeof (response as any).periods).toBe("number");
            expect((response as any).periods).toBeGreaterThanOrEqual(0);
          }),
      );
    });

    describe("DescribeNotificationsForBudget", () => {
      test.provider("lists the fixture notification threshold", (_stack) =>
        Effect.gen(function* () {
          const response = yield* send(
            HttpClientRequest.get(`${baseUrl}/notifications`),
          ).pipe(Effect.flatMap((r) => r.json));
          expect((response as any).thresholds).toContain(80);
        }),
      );
    });

    describe("DescribeSubscribersForNotification", () => {
      test.provider("lists the fixture notification's subscriber", (_stack) =>
        Effect.gen(function* () {
          const response = yield* send(
            HttpClientRequest.get(`${baseUrl}/subscribers`),
          ).pipe(Effect.flatMap((r) => r.json));
          expect((response as any).count).toBe(1);
          expect((response as any).subscriptionTypes).toContain("EMAIL");
        }),
      );
    });

    describe("DescribeBudgetActionsForBudget", () => {
      test.provider("lists the fixture action in STANDBY", (_stack) =>
        Effect.gen(function* () {
          const response = yield* send(
            HttpClientRequest.get(`${baseUrl}/actions`),
          ).pipe(Effect.flatMap((r) => r.json));
          const actions = (response as any).actions as {
            actionId: string;
            status: string;
            actionType: string;
          }[];
          expect(actions.length).toBeGreaterThanOrEqual(1);
          expect(actions[0]!.actionType).toBe("APPLY_IAM_POLICY");
          expect(actions[0]!.status).toBe("STANDBY");
        }),
      );
    });

    describe("DescribeBudgetActionHistories", () => {
      test.provider(
        "reads the action's event history (>= CREATE_ACTION)",
        (_stack) =>
          Effect.gen(function* () {
            const response = yield* send(
              HttpClientRequest.get(`${baseUrl}/action-histories`),
            ).pipe(Effect.flatMap((r) => r.json));
            expect((response as any).count).toBeGreaterThanOrEqual(1);
            expect((response as any).eventTypes).toContain("CREATE_ACTION");
          }),
      );
    });

    describe("ExecuteBudgetAction", () => {
      test.provider(
        "the grant works — execute returns a typed budgets outcome",
        (_stack) =>
          Effect.gen(function* () {
            const response = yield* send(
              HttpClientRequest.get(`${baseUrl}/execute-reset`),
            ).pipe(Effect.flatMap((r) => r.json));
            expect([
              "ok",
              "ResourceLockedException",
              "InvalidParameterException",
            ]).toContain((response as any).outcome);
          }),
      );
    });
  },
);