import cuillere, { Cuillere, OperationObject, call, callable } from '..'

describe('callable', () => {
    interface TestOperation extends OperationObject {
        message: string
    }

    const test = callable((message: string): TestOperation => ({
      kind: '@cuillere/test/test',
      message,
    }))

    let cllr: Cuillere

    beforeEach(() => {
      cllr = cuillere({
        namespace: '@cuillere/test',
        handlers: {
          * test({ message }: TestOperation) {
            return `this is a test: "${message}"`
          },
        },
      })
    })

    it('should be handled when yielded', async () => {
      function* testYielded() {
        return yield test('yielded')
      }

      await expect(cllr.call(testYielded)).resolves.toBe('this is a test: "yielded"')
    })

    it('should be handled when called', async () => {
      function* testCalled() {
        return yield call(test, 'called')
      }

      await expect(cllr.call(testCalled)).resolves.toBe('this is a test: "called"')
    })
})