config/test/parsing.test.ts

import {expect, test, describe, beforeEach} from 'bun:test'

import {yup} from '../src/index'
import * as parsing from '../src/parsing'
import {Ok} from '../src/helpers'

beforeEach(() => (process.env = {}))

describe('Object', () => {
  test('basic', async () => {
    const scheme = yup.object({})
    const res = await parsing.object(scheme)
    expect(res).toEqual({ok: true, data: {}})
  })

  describe('empty', () => {
    test('Optional', async () => {
      const res = await parsing.object(yup.object({thing: yup.number()}))
      // @ts-expect-error empty is undefined, duh ??
      expect(res).toEqual({ok: true, data: {}})
    })
    test('Required missing', async () => {
      const res = await parsing.object(yup.object({thing: yup.number().required()}))
      expect(res.ok).not.toBeTrue()
    })
    test('default', async () => {
      const res = await parsing.object(yup.object({thing: yup.number().default(42)}))
      expect(res).toEqual({ok: true, data: {thing: 42}})
    })
  })

  describe('Nested objects', () => {
    test('One level', async () => {
      process.env = {
        NAME: 'test',
        PORT: '12',
        TS: '2025-06-08 23:51:12'
      }
      const scheme = yup.object({name: yup.string(), port: yup.number(), ts: yup.date()})
      const res = await parsing.object(scheme)
      expect(res).toEqual({ok: true, data: {name: 'test', port: 12, ts: new Date('2025-06-08 23:51:12')}})
    })
    test('Two levels', async () => {
      process.env = {
        DB_PORT: '12',
        DB_HOST: 'localhost',
        THING_A: 'Hello!',
        THING_B: '212',
        NAME: 'Pascal',
        AGE: '27'
      }
      const expected = {
        name: 'Pascal',
        age: 27,
        db: {
          port: 12,
          host: 'localhost'
        },
        thing: {
          a: 'Hello!',
          b: 212
        }
      }

      const scheme = yup.object({
        name: yup.string().required(),
        age: yup.number().required(),
        db: yup
          .object({
            port: yup.number().required(),
            host: yup.string().required()
          })
          .required(),
        thing: yup
          .object({
            a: yup.string().required(),
            b: yup.number().required()
          })
          .required()
      })

      const res = await parsing.object(scheme)
      expect(res).toEqual({ok: true, data: expected})
    })
    test('Three levels', async () => {
      process.env = {
        DB_HOST: 'localhost',
        THING_A: 'Hello!',
        AGE: '27',
        THING_THANG_A: '2025-06-06 23:56:12'
      }
      const expected = {
        age: 27,
        db: {
          host: 'localhost'
        },
        thing: {
          a: 'Hello!',
          thang: {
            a: new Date('2025-06-06 23:56:12')
          }
        }
      }

      const scheme = yup.object({
        age: yup.number(),
        db: yup.object({
          host: yup.string()
        }),
        thing: yup.object({
          a: yup.string(),
          thang: yup.object({
            a: yup.date()
          })
        })
      })

      const res = await parsing.object(scheme)
      expect(res).toEqual({ok: true, data: expected})
    })
  })

  describe('Specific parsing', () => {
    async function testing<T>(env_value: string, scheme: yup.AnySchema, should_be_successful: boolean, thing?: T) {
      process.env['THING'] = env_value
      const my_scheme = yup.object({thing: scheme})

      const res: Ok<{thing: T}> = await parsing.object(my_scheme)
      // @ts-expect-error annoying typing issue, but it works, so, yk
      if (should_be_successful) expect(res).toEqual({ok: true, data: {thing}})
      else expect(res.ok).not.toBeTrue()
    }

    describe('array', () => {
      test('basic', () => testing('1,2,3', yup.array(yup.number()), true, [1, 2, 3]))
      test('basic with whitespaces', () => testing(' 1 , 2 , 3 ', yup.array(yup.number()), true, [1, 2, 3]))
      test('Empty', () => testing('', yup.array(yup.number()), true, []))
      test('Empty fails with minimum length', () => testing('', yup.array(yup.number()).min(3), false))
      test('With minimum elements', () => testing('1,2,3', yup.array(yup.number()).min(3), true, [1, 2, 3]))
    })

    describe('tuple', () => {
      test('basic', () => testing('1,2,3', yup.tuple([yup.number(), yup.number(), yup.number()]), true, [1, 2, 3]))
      test('Missing value', () => testing('1,2', yup.tuple([yup.number(), yup.number(), yup.number()]), false))
      test('Too much values', () => testing('1,2,3,4', yup.tuple([yup.number(), yup.number(), yup.number()]), false))
    })
  })
})

describe('generic', () => {
  async function testing(
    value: string | string[],
    scheme: yup.AnySchema,
    should_be_successful: boolean,
    data?: unknown
  ) {
    const res = await parsing.generic(value, scheme)
    if (should_be_successful) expect(res).toEqual({ok: true, data})
    else expect(res.ok).not.toBeTrue()
  }

  describe('Integer', () => {
    test('basic', () => testing('12', yup.number(), true, 12))
    test('string', () => testing('coucou', yup.number(), false))
    test('min-max OK', () => testing('12', yup.number().min(11).max(13), true, 12))
    test('min-max KO', () => testing('10', yup.number().min(11).max(13), false, 10))
    test('min-max KO 2', () => testing('10', yup.number().min(11).max(13), false, 14))
  })
  describe('String', () => {
    test('basic', () => testing('coucou', yup.string(), true, 'coucou'))
    test('Length min-max', () => testing('coucou', yup.string().max(7), true, 'coucou'))
    test('KO: Length min-max', () => testing('coucou', yup.string().max(5), false))
  })
  describe('boolean', () => {
    test('basic true', () => testing('true', yup.boolean(), true, true))
    test('basic false', () => testing('false', yup.boolean(), true, false))
    test('basic 1', () => testing('1', yup.boolean(), true, true))
    test('basic 0', () => testing('0', yup.boolean(), true, false))
    test('junk', () => testing('yeet', yup.boolean(), false))
  })
  describe('Date', () => {
    test('basic', () => testing('2025-06-08 22:40:17', yup.date(), true, new Date('2025-06-08 22:40:17')))
  })
})