@ingeze/api-error/dist/test/utils/create-handle-error.test.js

A TypeScript library for handling HTTP errors in Express, NestJS, and Fastify APIs.

import { createHandleError } from "src/utils/create-handle-error";
import { ErrorHandler } from "src/errors/index";
describe("createHandleError", () => {
  it("should create a custom error class with default values", () => {
    const CustomError = createHandleError({
      name: "CustomError",
      statusCode: 418,
      defaultType: "CUSTOM_TYPE",
      defaultMessage: "Default custom error message"
    });
    const error = new CustomError();
    expect(error).toBeInstanceOf(ErrorHandler);
    expect(error).toBeInstanceOf(CustomError);
    expect(error.name).toBe("CustomError");
    expect(error.statusCode).toBe(418);
    expect(error.type).toBe("CUSTOM_TYPE");
    expect(error.message).toBe("Default custom error message");
    expect(error.details).toBeUndefined();
  });
  it("should allow overriding message, type, and details", () => {
    const CustomError = createHandleError({
      name: "CustomError",
      statusCode: 400,
      defaultType: "OVERRIDE_TYPE",
      defaultMessage: "Default message"
    });
    const error = new CustomError("Overridden message", "OVERRIDE_TYPE", { foo: "bar" });
    expect(error.message).toBe("Overridden message");
    expect(error.type).toBe("OVERRIDE_TYPE");
    expect(error.details).toEqual({ foo: "bar" });
  });
  it("should use default message if none is provided", () => {
    const CustomError = createHandleError({
      name: "CustomError",
      statusCode: 400,
      defaultType: "CUSTOM_TYPE",
      defaultMessage: "Default message"
    });
    const error = new CustomError(void 0, void 0, { test: 123 });
    expect(error.message).toBe("Default message");
    expect(error.details).toEqual({ test: 123 });
  });
  it('should use "An error ocurred" if no defaultMessage is provided', () => {
    const CustomError = createHandleError({
      name: "CustomError",
      statusCode: 400,
      defaultType: "CUSTOM_TYPE"
    });
    const error = new CustomError();
    expect(error.message).toBe("An error ocurred");
  });
});
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