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323 lines
12 KiB
TypeScript
323 lines
12 KiB
TypeScript
import * as IAM from "@/AWS/IAM";
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import * as Lambda from "@/AWS/Lambda";
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import * as S3 from "@/AWS/S3";
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import * as Translate from "@/AWS/Translate";
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import * as Cause from "effect/Cause";
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import * as Context from "effect/Context";
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import * as Duration from "effect/Duration";
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import * as Effect from "effect/Effect";
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import * as Layer from "effect/Layer";
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import * as Redacted from "effect/Redacted";
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import * as Schedule from "effect/Schedule";
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import { HttpServerRequest } from "effect/http/HttpServerRequest";
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import * as HttpServerResponse from "effect/http/HttpServerResponse";
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// Deterministic fixture names (bucket names are account-global; this suite
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// owns them in the testing account).
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export const FIXTURE_BUCKET_NAME = "alchemy-test-translate-bindings";
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export const TERMINOLOGY_NAME = "alchemy-translate-bindings-glossary";
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// Checked-in CSV terminology — never generated at test time. The first row
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// is the language-code header; each subsequent row is a term pair.
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export const TERMINOLOGY_CSV = ["en,es", "Alchemy,Alquimia"].join("\n");
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// Well-formed-but-nonexistent 32-hex-digit job id used to drive the typed
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// ResourceNotFoundException paths. An IAM gap would surface
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// AccessDeniedException (reported as `error` by the handler), so a typed
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// not-found tag proves the grant end-to-end.
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const BOGUS_JOB_ID = "00000000000000000000000000000000";
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export class TranslateTestFunction extends Lambda.Function<Lambda.Function>()(
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"TranslateTestFunction",
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) {}
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/**
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* Shared infrastructure for the Translate bindings fixture: the batch-job
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* S3 bucket, the data-access role Translate assumes for batch jobs, and the
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* custom terminology the routes reference by name.
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*/
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export class TranslateFixtures extends Context.Service<
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TranslateFixtures,
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{
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bucket: S3.Bucket;
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dataAccessRole: IAM.Role;
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terminology: Translate.Terminology;
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}
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>()("TranslateFixtures") {}
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export const TranslateFixturesLive = Layer.effect(
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TranslateFixtures,
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Effect.gen(function* () {
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const bucket = yield* S3.Bucket("TranslateJobBucket", {
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bucketName: FIXTURE_BUCKET_NAME,
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forceDestroy: true,
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});
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// The role Amazon Translate assumes to read input documents and write
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// batch translation results.
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const dataAccessRole = yield* IAM.Role("TranslateDataAccessRole", {
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assumeRolePolicyDocument: {
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Version: "2012-10-17",
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Statement: [
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{
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Effect: "Allow",
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Principal: { Service: "translate.amazonaws.com" },
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Action: ["sts:AssumeRole"],
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},
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],
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},
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inlinePolicies: {
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s3Access: {
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Version: "2012-10-17",
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Statement: [
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{
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Effect: "Allow",
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Action: ["s3:GetObject", "s3:ListBucket", "s3:PutObject"],
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Resource: [
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`arn:aws:s3:::${FIXTURE_BUCKET_NAME}`,
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`arn:aws:s3:::${FIXTURE_BUCKET_NAME}/*`,
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],
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},
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],
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},
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},
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});
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const terminology = yield* Translate.Terminology("BindingsGlossary", {
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terminologyName: TERMINOLOGY_NAME,
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file: TERMINOLOGY_CSV,
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format: "CSV",
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});
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return { bucket, dataAccessRole, terminology };
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}),
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);
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export default TranslateTestFunction.make(
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{
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main: import.meta.url,
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functionUrl: true,
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// The job lifecycle route retries StartTextTranslationJob through
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// fresh-role IAM propagation (bounded ~40s).
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timeout: Duration.seconds(120),
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},
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Effect.gen(function* () {
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const { bucket, dataAccessRole } = yield* TranslateFixtures;
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// --- bindings under test ---
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const translateText = yield* Translate.TranslateText();
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const translateDocument = yield* Translate.TranslateDocument();
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const listLanguages = yield* Translate.ListLanguages();
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const getTerminology = yield* Translate.GetTerminology();
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const listTerminologies = yield* Translate.ListTerminologies();
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const getParallelData = yield* Translate.GetParallelData();
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const listParallelData = yield* Translate.ListParallelData();
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const startTextTranslationJob =
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yield* Translate.StartTextTranslationJob(dataAccessRole);
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const describeTextTranslationJob =
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yield* Translate.DescribeTextTranslationJob();
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const stopTextTranslationJob = yield* Translate.StopTextTranslationJob();
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const listTextTranslationJobs = yield* Translate.ListTextTranslationJobs();
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const putObject = yield* S3.PutObject(bucket);
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return {
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fetch: Effect.gen(function* () {
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const request = yield* HttpServerRequest;
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const url = new URL(request.originalUrl);
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const pathname = url.pathname;
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// Cheap readiness route — no Translate call.
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if (request.method === "GET" && pathname === "/ping") {
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return yield* HttpServerResponse.json({ ok: true });
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}
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// TranslateText — plain and with the fixture terminology applied.
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if (request.method === "GET" && pathname === "/translate") {
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const basic = yield* translateText({
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Text: "Hello, world!",
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SourceLanguageCode: "en",
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TargetLanguageCode: "es",
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});
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// NOTE: with "Alchemy" as the sentence-initial subject the model
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// treats it as a brand name and declines to substitute the term;
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// mid-sentence it applies reliably (verified with the raw API).
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const withTerminology = yield* translateText({
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Text: "I love Alchemy so much.",
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SourceLanguageCode: "en",
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TargetLanguageCode: "es",
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TerminologyNames: [TERMINOLOGY_NAME],
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});
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return yield* HttpServerResponse.json({
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basic: basic.TranslatedText,
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withTerminology: withTerminology.TranslatedText,
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appliedTerminologies: (
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withTerminology.AppliedTerminologies ?? []
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).map((t) => t.Name),
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});
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}
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// TranslateDocument — plain-text document, decode the Redacted blob.
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if (request.method === "GET" && pathname === "/document") {
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const result = yield* translateDocument({
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Document: {
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Content: new TextEncoder().encode("Good morning, friend."),
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ContentType: "text/plain",
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},
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SourceLanguageCode: "en",
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TargetLanguageCode: "es",
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});
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const content = result.TranslatedDocument.Content;
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const bytes = Redacted.isRedacted(content)
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? Redacted.value(content)
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: content;
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return yield* HttpServerResponse.json({
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translated: new TextDecoder().decode(bytes),
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sourceLanguageCode: result.SourceLanguageCode,
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targetLanguageCode: result.TargetLanguageCode,
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});
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}
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if (request.method === "GET" && pathname === "/languages") {
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const result = yield* listLanguages({ MaxResults: 500 });
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return yield* HttpServerResponse.json({
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count: (result.Languages ?? []).length,
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codes: (result.Languages ?? []).map((l) => l.LanguageCode),
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});
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}
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// GetTerminology + ListTerminologies against the fixture glossary.
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if (request.method === "GET" && pathname === "/terminologies") {
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const got = yield* getTerminology({ Name: TERMINOLOGY_NAME });
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const listed = yield* listTerminologies({ MaxResults: 100 });
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return yield* HttpServerResponse.json({
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name: got.TerminologyProperties?.Name ?? null,
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termCount: got.TerminologyProperties?.TermCount ?? null,
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sourceLanguageCode:
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got.TerminologyProperties?.SourceLanguageCode ?? null,
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downloadLocation:
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got.TerminologyDataLocation?.RepositoryType ?? null,
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listedNames: (listed.TerminologyPropertiesList ?? []).flatMap(
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(t) => (t.Name ? [t.Name] : []),
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),
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});
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}
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// ListParallelData + GetParallelData's typed not-found path.
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if (request.method === "GET" && pathname === "/parallel-data") {
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const listed = yield* listParallelData({ MaxResults: 100 });
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const missingTag = yield* getParallelData({
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Name: "alchemy-nonexistent-parallel-data",
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}).pipe(
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Effect.map(() => "Found"),
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Effect.catchTag("ResourceNotFoundException", (e) =>
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Effect.succeed(e._tag),
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),
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);
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return yield* HttpServerResponse.json({
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listedCount: (listed.ParallelDataPropertiesList ?? []).length,
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missingTag,
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});
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}
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// ListTextTranslationJobs + the Describe/Stop typed not-found paths.
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if (request.method === "GET" && pathname === "/jobs") {
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const listed = yield* listTextTranslationJobs({ MaxResults: 5 });
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const describeTag = yield* describeTextTranslationJob({
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JobId: BOGUS_JOB_ID,
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}).pipe(
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Effect.map(() => "Found"),
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Effect.catchTag("ResourceNotFoundException", (e) =>
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Effect.succeed(e._tag),
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),
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);
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const stopTag = yield* stopTextTranslationJob({
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JobId: BOGUS_JOB_ID,
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}).pipe(
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Effect.map(() => "Stopped"),
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Effect.catchTag("ResourceNotFoundException", (e) =>
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Effect.succeed(e._tag),
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),
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);
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return yield* HttpServerResponse.json({
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listedCount: (listed.TextTranslationJobPropertiesList ?? []).length,
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describeTag,
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stopTag,
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});
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}
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// Full real lifecycle for a batch translation job: seed the input
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// object, start the job, describe it, then stop it (the job never
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// needs to complete — that takes tens of minutes).
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if (request.method === "POST" && pathname === "/job-lifecycle") {
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yield* putObject({
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Key: "translate-input/greeting.txt",
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Body: "Hello, world!\nAlchemy deploys infrastructure.\n",
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ContentType: "text/plain",
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});
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// A freshly created data-access role can take a few seconds to
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// become assumable by Translate — surfaced as
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// InvalidParameterValueException/InvalidRequestException.
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// Bounded retry (8 × 5s).
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const started = yield* startTextTranslationJob({
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JobName: "alchemy-translate-bindings-lifecycle",
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InputDataConfig: {
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S3Uri: `s3://${FIXTURE_BUCKET_NAME}/translate-input/`,
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ContentType: "text/plain",
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},
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OutputDataConfig: {
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S3Uri: `s3://${FIXTURE_BUCKET_NAME}/translate-output/`,
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},
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SourceLanguageCode: "en",
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TargetLanguageCodes: ["es"],
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}).pipe(
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Effect.retry({
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while: (e): boolean =>
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e._tag === "InvalidParameterValueException" ||
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e._tag === "InvalidRequestException",
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schedule: Schedule.spaced("5 seconds"),
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times: 8,
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}),
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);
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const jobId = started.JobId ?? "";
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const described = yield* describeTextTranslationJob({
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JobId: jobId,
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});
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const stopped = yield* stopTextTranslationJob({ JobId: jobId });
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return yield* HttpServerResponse.json({
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jobId,
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startStatus: started.JobStatus ?? null,
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describedStatus:
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described.TextTranslationJobProperties?.JobStatus ?? null,
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stopStatus: stopped.JobStatus ?? null,
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});
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}
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return yield* HttpServerResponse.json(
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{ error: "Not found", method: request.method, pathname },
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{ status: 404 },
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);
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}).pipe(
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// Surface every failure (typed error or defect) to the test as JSON
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// instead of an opaque 500 — the test asserts `error` is absent.
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Effect.catchCause((cause) =>
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HttpServerResponse.json({ error: Cause.pretty(cause) }),
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),
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),
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};
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}).pipe(
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Effect.provide(
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Layer.mergeAll(
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Translate.TranslateTextHttp,
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Translate.TranslateDocumentHttp,
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Translate.ListLanguagesHttp,
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Translate.GetTerminologyHttp,
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Translate.ListTerminologiesHttp,
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Translate.GetParallelDataHttp,
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Translate.ListParallelDataHttp,
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Translate.StartTextTranslationJobHttp,
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Translate.DescribeTextTranslationJobHttp,
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Translate.StopTextTranslationJobHttp,
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Translate.ListTextTranslationJobsHttp,
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S3.PutObjectHttp,
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TranslateFixturesLive,
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),
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),
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),
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);
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