e1-bsd/omni-common-ui

import ApiCall, { reducer } from './';
import { Map } from 'immutable';

const { Key, State } = ApiCall;

let state;

beforeEach(() => {
  state = Map();
});

test('does not modify the state if the action is not an Action', () => {
  expect(reducer(state, {})).toBe(state);
});

test('removes an entry when API_CALL_CLEAN action is received', () => {
  state = state.set('key', 'value');
  expect(reducer(state, ApiCall.clean('key')).get('key')).toBeUndefined();
});

test('sets the proper map item to loading when received a _REQUEST action', () => {
  const action = ApiCall.createAction({
    type: 'FETCH_REQUEST',
    url: 'url',
    method: 'GET',
  });

  const key = Key.create(action);
  const value = reducer(state, action).get(key);
  expect(State.isValue(value)).toBe(true);
  expect(State.isLoading(value)).toBe(true);
  expect(State.hasSucceeded(value)).toBe(false);
  expect(State.hasFailed(value)).toBe(false);
  expect(value.error).toBe(undefined);
  expect(value.id).toBe(key);
});

test('sets the proper map item to success when received a _SUCCESS action', () => {
  const action = ApiCall.createAction({
    type: 'FETCH_SUCCESS',
    url: 'url',
    method: 'GET',
  });

  const key = Key.create(action);
  const value = reducer(state, action).get(key);
  expect(State.isValue(value)).toBe(true);
  expect(State.isLoading(value)).toBe(false);
  expect(State.hasSucceeded(value)).toBe(true);
  expect(State.hasFailed(value)).toBe(false);
  expect(value.error).toBe(undefined);
  expect(value.id).toBe(key);
});

test('sets the proper map item to error when received a _FAILURE action', () => {
  const action = ApiCall.createAction({
    type: 'FETCH_FAILURE',
    error: new Error(),
    url: 'url',
    method: 'GET',
  });

  const key = Key.create(action);
  const value = reducer(state, action).get(key);
  expect(State.isValue(value)).toBe(true);
  expect(State.isLoading(value)).toBe(false);
  expect(State.hasSucceeded(value)).toBe(false);
  expect(State.hasFailed(value)).toBe(true);
  expect(value.error).toBe(action.error);
  expect(value.id).toBe(key);
});