import { expect, test } from "@effect/vitest"; import {  containsContentHash,  stableGroupingFingerprint,  stripContentHashes,  withStableGroupingFingerprint,  type GroupingEvent,} from "./sentry-grouping"; // Two builds of the same source: only the Vite content hash differs.const workerFrame = (hash: string) => ({  filename: `/assets/execution-rate-limit-${hash}.js`,  module: `execution-rate-limit-${hash}`,  function: "timeoutOrElse",  in_app: true,}); const workerEvent = (hash: string): GroupingEvent => ({  culprit: `timeoutOrElse(execution-rate-limit-${hash})`,  exception: {    values: [      {        type: "GateCheckTimeoutError",        value: "balance check timed out",        stacktrace: { frames: [workerFrame(hash)] },      },    ],  },}); test("stripContentHashes rewrites chunk hashes and leaves everything else alone", () => {  expect(stripContentHashes("/assets/execution-rate-limit-BAuwphPA.js")).toBe(    "/assets/execution-rate-limit.js",  );  expect(stripContentHashes("/assets/execution-rate-limit-DkcPBbWe.js")).toBe(    "/assets/execution-rate-limit.js",  );  // Rollup hashes may themselves contain a dash — the whole 8-char tail goes.  expect(stripContentHashes("http://127.0.0.1:4789/assets/AddGraphqlIntegration-BCr-oWx4.js")).toBe(    "http://127.0.0.1:4789/assets/AddGraphqlIntegration.js",  );  // Culprit strings wrap the chunk name in parentheses.  expect(stripContentHashes("U(assets/atoms-Yemn7yhP)")).toBe("U(assets/atoms)");  expect(stripContentHashes("W(assets/atoms-CeCENfWa)")).toBe("W(assets/atoms)");}); test("stripContentHashes does not eat real name segments", () => {  // 8 lowercase letters is a word, not a hash.  expect(stripContentHashes("/src/auth/oauth-callback.ts")).toBe("/src/auth/oauth-callback.ts");  expect(stripContentHashes("apps/cloud/src/engine/execution-gate.ts")).toBe(    "apps/cloud/src/engine/execution-gate.ts",  );  expect(stripContentHashes("/assets/execution-rate-limit.js")).toBe(    "/assets/execution-rate-limit.js",  );  expect(stripContentHashes("")).toBe("");}); test("stripContentHashes keeps genuinely different modules distinct", () => {  expect(stripContentHashes("/assets/atoms-Yemn7yhP.js")).not.toBe(    stripContentHashes("/assets/router-CeCENfWa.js"),  );  expect(stripContentHashes("/assets/atoms-Yemn7yhP.js")).not.toBe(    stripContentHashes("/assets/atoms-shell-CeCENfWa.js"),  );}); // Merging two unrelated bugs into one issue is unrecoverable, so the "is this// a hash?" threshold is pinned from both sides: a segment needs two of the// three hash signals (uppercase, uppercase+digit, digits) before it is eaten.// Loosening it to one signal — the tempting fix for the word-shaped hashes// this deliberately misses — silently collapses real chunk names.test("a name segment one signal short of a hash is left in place", () => {  // One capital, no digits.  expect(stripContentHashes("/assets/connections-Settings.js")).toBe(    "/assets/connections-Settings.js",  );  // One digit, no capitals.  expect(stripContentHashes("/assets/storage-s3client.js")).toBe("/assets/storage-s3client.js");  // ...and neither may be mistaken for the chunk it would collapse onto.  expect(stripContentHashes("/assets/connections-Settings.js")).not.toBe(    stripContentHashes("/assets/connections-BAuwphPA.js"),  );}); test("a segment with two hash signals is eaten", () => {  expect(stripContentHashes("/assets/chunk-AbcdefgH.js")).toBe("/assets/chunk.js");  expect(stripContentHashes("/assets/chunk-Abcdefg1.js")).toBe("/assets/chunk.js");  expect(stripContentHashes("/assets/chunk-abcdef12.js")).toBe("/assets/chunk.js");}); test("containsContentHash detects only hashed paths", () => {  expect(containsContentHash("/assets/atoms-Yemn7yhP.js")).toBe(true);  expect(containsContentHash("apps/cloud/src/engine/execution-gate.ts")).toBe(false);}); test("the same logical frame fingerprints identically across two deploys", () => {  const first = stableGroupingFingerprint(workerEvent("BAuwphPA"));  const second = stableGroupingFingerprint(workerEvent("DkcPBbWe"));  expect(first).toBeDefined();  expect(first).toEqual(second);  expect(first).toEqual(["GateCheckTimeoutError", "timeoutOrElse@execution-rate-limit"]);}); test("different modules keep different fingerprints", () => {  const other: GroupingEvent = {    exception: {      values: [        {          type: "GateCheckTimeoutError",          stacktrace: {            frames: [              {                filename: "/assets/atoms-Yemn7yhP.js",                module: "atoms-Yemn7yhP",                function: "loadConnections",                in_app: true,              },            ],          },        },      ],    },  };  expect(stableGroupingFingerprint(other)).not.toEqual(    stableGroupingFingerprint(workerEvent("BAuwphPA")),  );}); test("minified single-letter frame functions are left out of the fingerprint", () => {  // Minified identifiers rotate with every build exactly like chunk hashes, so  // keeping them would re-split the issue on the next deploy.  const atoms = (fn: string, hash: string): GroupingEvent => ({    exception: {      values: [        {          type: "TypeError",          stacktrace: {            frames: [              { filename: `/assets/atoms-${hash}.js`, module: `atoms-${hash}`, function: fn },            ],          },        },      ],    },  });  expect(stableGroupingFingerprint(atoms("U", "Yemn7yhP"))).toEqual(    stableGroupingFingerprint(atoms("W", "CeCENfWa")),  );  expect(stableGroupingFingerprint(atoms("U", "Yemn7yhP"))).toEqual(["TypeError", "atoms"]);}); // A single build emits many `dist-<hash>.js` chunks from unrelated packages,// so the crashing frame alone is not a safe key — two different bugs would// land in one issue. Frames are oldest-first, so the shared chunk is last.const vendorEvent = (caller: string, hash: string): GroupingEvent => ({  exception: {    values: [      {        type: "TypeError",        stacktrace: {          frames: [            { module: `${caller}-${hash}`, function: caller, in_app: true },            { module: `dist-${hash}`, function: "throwHelper", in_app: true },          ],        },      },    ],  },}); test("two vendor chunks sharing a name stay apart on their callers", () => {  const upload = stableGroupingFingerprint(vendorEvent("uploadArtifact", "BQZkXWT2"));  const render = stableGroupingFingerprint(vendorEvent("renderMarkdown", "BQZkXWT2"));   // The crashing frame is identical in both — only the caller chain separates  // them, so a fingerprint built from the top frame alone would over-merge.  expect(upload?.slice(0, 2)).toEqual(["TypeError", "throwHelper@dist"]);  expect(render?.slice(0, 2)).toEqual(upload?.slice(0, 2));  expect(upload).not.toEqual(render);  expect(upload).toEqual(["TypeError", "throwHelper@dist", "uploadArtifact@uploadArtifact"]);}); test("the caller chain is itself deploy-stable", () => {  // Every frame in the chain must lose its hash, not just the crashing one.  expect(stableGroupingFingerprint(vendorEvent("uploadArtifact", "BQZkXWT2"))).toEqual(    stableGroupingFingerprint(vendorEvent("uploadArtifact", "Yemn7yhP")),  );}); test("events without a chunk hash keep Sentry's default grouping", () => {  const unhashed: GroupingEvent = {    culprit: "checkExecutionBalance(execution-gate.ts)",    exception: {      values: [        {          type: "AutumnError",          stacktrace: {            frames: [              {                filename: "/apps/cloud/src/engine/execution-gate.ts",                function: "checkExecutionBalance",                in_app: true,              },            ],          },        },      ],    },  };  expect(stableGroupingFingerprint(unhashed)).toBeUndefined();  expect(stableGroupingFingerprint({})).toBeUndefined();  expect(stableGroupingFingerprint({ exception: { values: [] } })).toBeUndefined();}); test("a hashed culprit alone is enough to pin the fingerprint", () => {  const culpritOnly: GroupingEvent = {    culprit: "orElse(execution-rate-limit-BAuwphPA)",    exception: { values: [{ type: "TypeError", value: "destroyed" }] },  };  expect(stableGroupingFingerprint(culpritOnly)).toEqual([    "TypeError",    "orElse(execution-rate-limit)",  ]);}); // The wrapper every process installs as its `beforeSend`. `fingerprint` and// `tags` stand in for the fields a real Sentry event carries around it.type SentEvent = GroupingEvent & {  readonly fingerprint?: readonly string[] | undefined;  readonly tags?: Record<string, string> | undefined;}; test("withStableGroupingFingerprint pins the key and changes nothing else", () => {  const input: SentEvent = { ...workerEvent("BAuwphPA"), tags: { a: "b" } };  const hashed = withStableGroupingFingerprint(input);  expect(hashed.fingerprint).toEqual([    "GateCheckTimeoutError",    "timeoutOrElse@execution-rate-limit",  ]);  // The event still carries its hashed filename, or server-side sourcemap  // resolution would stop finding the release's artifacts.  expect(hashed.exception?.values?.[0]?.stacktrace?.frames?.[0]?.filename).toBe(    "/assets/execution-rate-limit-BAuwphPA.js",  );  expect(hashed.tags).toEqual({ a: "b" });}); test("withStableGroupingFingerprint forwards an unhashed event untouched", () => {  const plain: SentEvent = { culprit: "checkExecutionBalance(execution-gate.ts)" };  const out = withStableGroupingFingerprint(plain);  expect(out).toBe(plain);  expect("fingerprint" in out).toBe(false);}); test("the outermost exception drives the fingerprint", () => {  // Sentry orders `values` innermost-first; the last entry is the one whose  // type the issue is titled with.  const chained: GroupingEvent = {    exception: {      values: [        { type: "InnerError", stacktrace: { frames: [workerFrame("BAuwphPA")] } },        { type: "OuterError", stacktrace: { frames: [workerFrame("BAuwphPA")] } },      ],    },  };  expect(stableGroupingFingerprint(chained)?.[0]).toBe("OuterError");});