t3-code-android-nightly/.repos/alchemy-effect/packages/alchemy/test/AWS/AICapabilities/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 { HELLO_PNG_TEXT, TRANSLATE_TEXT } from "./constants.ts";
import AICapabilitiesTestFunctionLive, {
  AICapabilitiesTestFunction,
} from "./handler.ts";

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

// Lambda function URL cold-start (DNS, IAM propagation, init) can take well
// over 60s on a fresh deploy under parallel-suite load. Budget ~150s of
// readiness polling.
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
// parallel load (cold re-init, IAM propagation, upstream throttling surfaced
// as a defect). Retry 5xx only; 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("1 second"),
        Schedule.recurs(5),
      ]),
    }),
  );

describe(
  "AI Capabilities Bindings",
  {
    tags: [
      "provider:aws",
      "provider:aws:comprehend",
      "provider:aws:lambda",
      "provider:aws:polly",
      "provider:aws:rekognition",
      "provider:aws:textract",
      "provider:aws:translate",
      "live",
    ],
  },
  () => {
    beforeAll(
      Effect.gen(function* () {
        yield* Effect.logInfo(
          "AICapabilities test setup: destroying previous resources",
        );
        yield* sharedStack.destroy();

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

        expect(functionUrl).toBeTruthy();
        baseUrl = functionUrl!.replace(/\/+$/, "");
        const readinessUrl = `${baseUrl}/ping`;

        yield* Effect.logInfo(
          `AICapabilities 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: ${response.status}`),
                ),
          ),
          Effect.tapError((error) =>
            Effect.logWarning(
              `AICapabilities test setup: fixture not ready yet (${String(error)})`,
            ),
          ),
          Effect.retry({ schedule: readinessPolicy }),
        );
      }),
      { timeout: 240_000 },
    );

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

    describe("Rekognition.DetectLabels", () => {
      test.provider(
        "detects labels in checked-in image bytes",
        (_stack) =>
          Effect.gen(function* () {
            const response = (yield* send(
              HttpClientRequest.get(`${baseUrl}/detect-labels`),
            ).pipe(Effect.flatMap((r) => r.json))) as {
              labels: string[];
              labelModelVersion?: string;
            };

            expect(Array.isArray(response.labels)).toBe(true);
            expect(response.labels.length).toBeGreaterThan(0);
            // The fixture image is rendered text — Rekognition consistently
            // labels it as textual content.
            expect(response.labels).toContain("Text");
          }),
        { timeout: 120_000 },
      );
    });

    describe("Textract.DetectDocumentText", () => {
      test.provider(
        "detects the rendered text in checked-in document bytes",
        (_stack) =>
          Effect.gen(function* () {
            const response = (yield* send(
              HttpClientRequest.get(`${baseUrl}/detect-document-text`),
            ).pipe(Effect.flatMap((r) => r.json))) as {
              lines: string[];
              pages?: number;
            };

            expect(response.pages).toBe(1);
            expect(Array.isArray(response.lines)).toBe(true);
            expect(response.lines).toContain(HELLO_PNG_TEXT);
          }),
        { timeout: 120_000 },
      );
    });

    describe("Polly.SynthesizeSpeech", () => {
      test.provider(
        "synthesizes text to non-empty mp3 audio bytes",
        (_stack) =>
          Effect.gen(function* () {
            const response = (yield* send(
              HttpClientRequest.get(`${baseUrl}/synthesize-speech`),
            ).pipe(Effect.flatMap((r) => r.json))) as {
              contentType?: string;
              byteLength: number;
            };

            expect(response.contentType).toContain("audio/mpeg");
            expect(response.byteLength).toBeGreaterThan(1000);
          }),
        { timeout: 120_000 },
      );
    });

    describe("Translate.TranslateText", () => {
      test.provider(
        "translates English to Spanish",
        (_stack) =>
          Effect.gen(function* () {
            const response = (yield* send(
              HttpClientRequest.get(`${baseUrl}/translate-text`),
            ).pipe(Effect.flatMap((r) => r.json))) as {
              translatedText: string;
              sourceLanguageCode: string;
              targetLanguageCode: string;
            };

            expect(response.sourceLanguageCode).toBe("en");
            expect(response.targetLanguageCode).toBe("es");
            expect(response.translatedText.trim().length).toBeGreaterThan(0);
            expect(response.translatedText).not.toBe(TRANSLATE_TEXT);
          }),
        { timeout: 120_000 },
      );
    });

    describe("Comprehend.DetectSentiment", () => {
      test.provider(
        "detects positive sentiment",
        (_stack) =>
          Effect.gen(function* () {
            const response = (yield* send(
              HttpClientRequest.get(`${baseUrl}/detect-sentiment`),
            ).pipe(Effect.flatMap((r) => r.json))) as {
              sentiment?: string;
              sentimentScore?: { Positive?: number };
            };

            expect(["POSITIVE", "NEGATIVE", "NEUTRAL", "MIXED"]).toContain(
              response.sentiment,
            );
            // SENTIMENT_TEXT is unambiguously positive.
            expect(response.sentiment).toBe("POSITIVE");
            expect(response.sentimentScore?.Positive ?? 0).toBeGreaterThan(0.5);
          }),
        { timeout: 120_000 },
      );
    });
  },
);