Class SpecAbstract

Description

Abstract base class for Mocha-based integration and unit test suites.

Provides:

  • HTTP API testing via supertest with request/response logging.
  • Unit-testing with snapshot-based argument and return-value matching.
  • Data validation using class-validator or custom validator functions.
  • Nock-based HTTP mocking.
  • Sinon test doubles.

Example

import { Spec } from '@biorate/mocha-spec';
import { suite, test } from '@biorate/mocha';

@suite
class MyApiSpec extends Spec {
  protected get httpServer() {
    return app.listen();
  }

  @test
  async 'GET /users'() {
    const res = await this.api().get('/users');
    this.expect(res.status).to.equal(200);
  }
}

Constructors

constructor

Properties

#supertest #unit testDir

Accessors

chai httpServer nock sinon supertest chai nock sinon

Methods

api exactly logReq logRes unit validate

Constructors

constructor

Properties

Private #supertest

#supertest: SuperTest<Test>

Private #unit

#unit: Unit = ...

Protected testDir

testDir: string = 'tests'

Description

Directory name for test data and argument files.

Accessors

Protected chai

Protected Abstract httpServer

  • get httpServer(): any

  • Returns any

    Description

    Subclasses must override this getter to return the HTTP server instance (e.g. an Express/NestJS app) for supertest to bind to.

Protected nock

Protected sinon

Protected supertest

Static chai

Static nock

Static sinon

Methods

Protected api

  • api(url?): SuperTest<Test>

  • Parameters

    • Optional url: string

    Returns SuperTest<Test>

    Description

    Creates an API test helper (supertest proxy) with request/response logging attached.

Protected exactly

  • exactly(result, expect, message?): Assertion

  • Parameters

    • result: any
    • expect: any
    • Optional message: string

    Returns Assertion

    Description

    Assert deep equality between the result and expected value using chai.

Protected logReq

  • logReq(method, url, data): void

  • Parameters

    • method: string
    • url: string
    • data: string

    Returns void

    Description

    Request-logging hook. Override to log outgoing HTTP requests. Default is a no-op.

Protected logRes

  • logRes(status, body): void

  • Parameters

    • status: number
    • body: string

    Returns void

    Description

    Response-logging hook. Override to log incoming HTTP responses. Default is a no-op.

Protected unit

  • unit(options): Promise<any>

  • Parameters

    • options: IUnitOptions

    Returns Promise<any>

    Description

    Run a unit test: load arguments from disk, invoke the method, and run snapshot matching on args, context, and return value.

Protected validate

  • validate(options): Promise<any>

  • Parameters

    • options: IValidatorOptions

    Returns Promise<any>

    Description

    Validate data using a class-validator schema or a custom validator function.

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