args.test.ts

import { getArg } from '../src/utils/args'

describe('args', () => {
  it('should capture an arg name from text', () => {
    const args = ['--name', 'value']
    const result = getArg(args, { name: 'name' })
    expect(result).toBe('value')
  })
  it('should capture an arg alias from text', () => {
    const args = ['-n', 'value']
    const result = getArg(args, { name: 'name', alias: 'n' })
    expect(result).toBe('value')
  })
  it('should capture an arg name from text when starting values', () => {
    const args = ['dir', '--name', 'value']
    const result = getArg(args, { name: 'name' })
    expect(result).toBe('value')
  })
  it('should capture an arg alias from text', () => {
    const args = ['dir', '-n', 'value']
    const result = getArg(args, { name: 'name', alias: 'n' })
    expect(result).toBe('value')
  })
  it('should convert bool string to true', () => {
    const args = ['--someBool', 'true']
    const result = getArg(args, {
      name: 'someBool',
      alias: 'sb'
    })
    expect(result).toBe('true')
  })
  it('should convert bool string to false', () => {
    const args = ['--someBool', 'false']
    const result = getArg(args, {
      name: 'someBool',
      alias: 'sb'
    })
    expect(result).toBe('false')
  })
  it('should default value to true if no next value', () => {
    const args = ['--someBool']
    const result = getArg(args, {
      name: 'someBool',
      alias: 'sb'
    })
    expect(result).toBe(null)
  })
  it('should default value to true if next value is --name', () => {
    const args = ['--someBool', '--someOtherBool']
    const result = getArg(args, {
      name: 'someBool',
      alias: 'sb'
    })
    expect(result).toBe(null)
  })
  it('should default value to true if next value is -alias', () => {
    const args = ['--someBool', '-a']
    const result = getArg(args, {
      name: 'someBool',
      alias: 'sb'
    })
    expect(result).toBe(null)
  })
})