// Regression for the "StorageError: Failed query: …" reports in production.// One root cause fanned out into a report per table and WHERE-clause because// `fumaFailureFromCause` copied the driver's error text verbatim into// `StorageError.message`: drizzle's `DrizzleQueryError` message is// `Failed query: <sql>\nparams: <bound values>`, so error reports grouped by// SQL statement AND printed bound parameters (org ids, user ids, connection// names) in their TITLES.//// Two contracts are pinned here://   1. `StorageError.message` is built from a stable label plus the driver's//      error CODE. Never the statement text, never the bound parameters.//   2. postgres.js connection faults are classified as a distinct//      `StorageConnectionError` rather than melting into a generic//      `StorageError`, so a pool-lifetime bug is not indistinguishable from a//      malformed query.//// The fixtures below are synthetic reconstructions of the driver error shapes// (verified against node_modules/postgres/src/errors.js and// node_modules/drizzle-orm/errors.js); all identifiers are placeholders. import { describe, expect, it } from "@effect/vitest";import { Cause, Effect, Exit, Predicate } from "effect"; import {  fumaEffect,  fumaFailureFromCause,  isStorageFailure,  StorageError,  UniqueViolationError,} from "./fuma-runtime"; /** Shape of `postgres.js` `Errors.connection(code, options, socket)`. */const postgresConnectionError = (code: string): Error =>  Object.assign(    // oxlint-disable-next-line executor/no-error-constructor -- boundary: reconstructs the native driver error this module has to classify    new Error(`write ${code} db-placeholder.hyperdrive.local:5432`),    { code, errno: code, address: "db-placeholder.hyperdrive.local", port: 5432 },  ); /** Shape of `postgres.js` `Errors.postgres(x)` — a server-side error report. */const postgresServerError = (code: string, message: string): Error =>  // oxlint-disable-next-line executor/no-error-constructor -- boundary: reconstructs the native driver error this module has to classify  Object.assign(new Error(message), { code, severity: "ERROR" }); /** * Shape of drizzle's `DrizzleQueryError`: the statement text and the bound * parameters are baked into `message`, and the driver error hangs off `cause`. */const drizzleQueryError = (sql: string, params: readonly unknown[], cause: unknown): Error => {  // oxlint-disable-next-line executor/no-error-constructor -- boundary: reconstructs the native driver error this module has to classify  const error = new Error(`Failed query: ${sql}\nparams: ${params.join(",")}`);  return Object.assign(error, { query: sql, params, cause });}; const SQL = 'select "key", "value" from "plugin_storage" where "scope_id" = $1 and "key" = $2';// Synthetic placeholders standing in for the real bound values (a WorkOS org id// and a connection-scoped storage key) that leaked into error-report titles.const PARAMS = ["org_placeholder_0000", "oauth:integration-placeholder:refresh"] as const; const expectNoDriverTextIn = (message: string): void => {  expect(message).not.toContain("Failed query");  expect(message).not.toContain("params:");  expect(message).not.toContain("select");  expect(message).not.toContain('plugin_storage"');  for (const param of PARAMS) expect(message).not.toContain(param);}; describe("fumaFailureFromCause — message shaping", () => {  it("does not put the statement text or bound parameters in the message", () => {    const failure = fumaFailureFromCause(      "plugin_storage.findFirst",      drizzleQueryError(SQL, PARAMS, postgresConnectionError("CONNECTION_ENDED")),    );     expectNoDriverTextIn(failure.message ?? "");  });   it("builds a stable message from the label and the driver error code", () => {    const failure = fumaFailureFromCause(      "plugin_storage.findFirst",      drizzleQueryError(        SQL,        PARAMS,        postgresServerError("42P01", 'relation "nope" does not exist'),      ),    );     expect(Predicate.isTagged(failure, "StorageError")).toBe(true);    expect(failure.message).toContain("plugin_storage.findFirst");    expect(failure.message).toContain("42P01");    expectNoDriverTextIn(failure.message ?? "");  });   it("groups two different statements failing the same way onto one message", () => {    const a = fumaFailureFromCause(      "integration.findFirst",      drizzleQueryError(        'select * from "integration" where "slug" = $1',        ["integration-placeholder"],        postgresServerError("57P01", "terminating connection due to administrator command"),      ),    );    const b = fumaFailureFromCause(      "integration.findFirst",      drizzleQueryError(        'select * from "integration" where "owner" = $1 and "slug" = $2',        ["org_placeholder_0000", "other-integration-placeholder"],        postgresServerError("57P01", "terminating connection due to administrator command"),      ),    );     expect(a.message).toBe(b.message);  });   it("still yields a stable message when the driver reports no code", () => {    const failure = fumaFailureFromCause(      "tool.findMany",      drizzleQueryError(        SQL,        PARAMS,        // oxlint-disable-next-line executor/no-error-constructor -- boundary: reconstructs a codeless native driver error        new Error("something went wrong in the driver"),      ),    );     expect(Predicate.isTagged(failure, "StorageError")).toBe(true);    expect(failure.message).toContain("tool.findMany");    expectNoDriverTextIn(failure.message ?? "");    expect(failure.message).not.toContain("something went wrong");  });   it("keeps the full driver error reachable on `cause`", () => {    const driver = drizzleQueryError(SQL, PARAMS, postgresConnectionError("CONNECTION_ENDED"));    const failure = fumaFailureFromCause("plugin_storage.findFirst", driver);     expect((failure as { readonly cause?: unknown }).cause).toBe(driver);  });}); describe("fumaFailureFromCause — classification", () => {  it.each([    ["CONNECTION_ENDED"],    ["CONNECTION_CLOSED"],    ["CONNECTION_DESTROYED"],    ["CONNECT_TIMEOUT"],    // A backend that is simply down: postgres.js surfaces the socket errno    // verbatim, so `connect ECONNREFUSED …` is the ordinary "database    // unreachable" fault and must classify like the rest.    ["ECONNREFUSED"],    ["ECONNRESET"],  ])("classifies postgres.js %s as a storage connection fault", (code) => {    const failure = fumaFailureFromCause(      "plugin_storage.findFirst",      drizzleQueryError(SQL, PARAMS, postgresConnectionError(code)),    );     expect(Predicate.isTagged(failure, "StorageConnectionError")).toBe(true);    expect(failure).toEqual(      expect.objectContaining({        _tag: "StorageConnectionError",        code,        label: "plugin_storage.findFirst",      }),    );    expect(typeof (failure as { readonly retryable?: unknown }).retryable).toBe("boolean");    expectNoDriverTextIn(failure.message ?? "");  });   it("classifies the workerd cross-request I/O rejection as a connection fault", () => {    const failure = fumaFailureFromCause(      "integration.findFirst",      drizzleQueryError(        'select * from "integration" where "slug" = $1',        ["integration-placeholder"],        // oxlint-disable-next-line executor/no-error-constructor -- boundary: reconstructs workerd's cross-request I/O rejection, which carries no code        new Error(          "Cannot perform I/O on behalf of a different request. I/O objects (such as streams, request/response bodies, and others) created in the context of one request handler cannot be accessed from a different request's handler.",        ),      ),    );     expect(Predicate.isTagged(failure, "StorageConnectionError")).toBe(true);    expectNoDriverTextIn(failure.message ?? "");    expect(failure.message).not.toContain("Cannot perform I/O");  });   it("marks transient socket loss retryable and pool-lifetime faults not retryable", () => {    const transient = fumaFailureFromCause(      "tool.findMany",      postgresConnectionError("CONNECTION_CLOSED"),    ) as { readonly retryable?: boolean };    const lifetime = fumaFailureFromCause(      "tool.findMany",      postgresConnectionError("CONNECTION_ENDED"),    ) as { readonly retryable?: boolean };     expect(transient.retryable).toBe(true);    expect(lifetime.retryable).toBe(false);  });   it("still recognises unique violations by SQLSTATE", () => {    const failure = fumaFailureFromCause(      "connection.create",      drizzleQueryError(        'insert into "connection" ("owner","name") values ($1,$2)',        ["org_placeholder_0000", "connection-placeholder"],        postgresServerError(          "23505",          'duplicate key value violates unique constraint "connection_pkey"',        ),      ),    );     expect(failure).toBeInstanceOf(UniqueViolationError);    expect(Predicate.isTagged(failure, "UniqueViolationError")).toBe(true);  });   it("does not misread a unique violation as a connection fault", () => {    const failure = fumaFailureFromCause(      "connection.create",      postgresServerError("23505", "duplicate key value violates unique constraint"),    );     expect(Predicate.isTagged(failure, "StorageConnectionError")).toBe(false);  });   it("passes an already-typed storage failure through untouched", () => {    const original = new StorageError({      message: 'FumaDB table "secret" is not available through this storage boundary.',      cause: undefined,    });     expect(fumaFailureFromCause("plugin_storage.findFirst", original)).toBe(original);  });   it("treats a connection fault as a storage failure at the boundary", () => {    const failure = fumaFailureFromCause(      "plugin_storage.findFirst",      postgresConnectionError("CONNECTION_ENDED"),    );     expect(isStorageFailure(failure)).toBe(true);    expect(fumaFailureFromCause("plugin_storage.findFirst", failure)).toBe(failure);  });}); describe("fumaEffect", () => {  it("maps a rejected driver promise onto the classified failure", async () => {    const driverRejection = () =>      // oxlint-disable-next-line executor/no-promise-reject -- boundary: fumaEffect's whole contract is adapting a rejected driver promise      Promise.reject(drizzleQueryError(SQL, PARAMS, postgresConnectionError("CONNECTION_ENDED")));     const exit = await Effect.runPromiseExit(      fumaEffect("plugin_storage.findFirst", driverRejection),    );     expect(Exit.isFailure(exit)).toBe(true);    const failure = Exit.isFailure(exit)      ? exit.cause.reasons.find(Cause.isFailReason)?.error      : undefined;     expect(Predicate.isTagged(failure, "StorageConnectionError")).toBe(true);    expectNoDriverTextIn(failure?.message ?? "");  });});