bigbuffet-rw/app/soapbox/reducers/__tests__/timelines.test.ts
marcin mikołajczak 4e545f0638 Reducers: TypeScript
Signed-off-by: marcin mikołajczak <git@mkljczk.pl>
2022-06-24 00:33:23 +02:00

123 lines
3.5 KiB
TypeScript

import { Map as ImmutableMap, OrderedSet as ImmutableOrderedSet, Record as ImmutableRecord, fromJS } from 'immutable';
import {
TIMELINE_EXPAND_REQUEST,
TIMELINE_EXPAND_FAIL,
TIMELINE_EXPAND_SUCCESS,
} from 'soapbox/actions/timelines';
import reducer from '../timelines';
describe('timelines reducer', () => {
it('should return the initial state', () => {
expect(reducer(undefined, {} as any)).toEqual(ImmutableMap());
});
describe('TIMELINE_EXPAND_REQUEST', () => {
it('sets loading to true', () => {
const action = {
type: TIMELINE_EXPAND_REQUEST,
timeline: 'home',
};
const result = reducer(undefined, action);
expect(result.getIn(['home', 'isLoading'])).toBe(true);
});
});
describe('TIMELINE_EXPAND_FAIL', () => {
it('sets loading to false', () => {
const state = ImmutableMap({
home: ImmutableRecord({ isLoading: true })(),
});
const action = {
type: TIMELINE_EXPAND_FAIL,
timeline: 'home',
};
const result = reducer(state as any, action);
expect(result.getIn(['home', 'isLoading'])).toBe(false);
});
});
describe('TIMELINE_EXPAND_SUCCESS', () => {
it('sets loading to false', () => {
const state = ImmutableMap(fromJS({
home: ImmutableRecord({ isLoading: true })(),
}));
const action = {
type: TIMELINE_EXPAND_SUCCESS,
timeline: 'home',
};
const result = reducer(state as any, action);
expect(result.getIn(['home', 'isLoading'])).toBe(false);
});
it('adds the status IDs', () => {
const expected = ImmutableOrderedSet(['1', '2', '5']);
const action = {
type: TIMELINE_EXPAND_SUCCESS,
timeline: 'home',
statuses: [{ id: '1' }, { id: '2' }, { id: '5' }],
};
const result = reducer(undefined, action);
expect(result.getIn(['home', 'items'])).toEqual(expected);
});
it('merges new status IDs', () => {
const state = ImmutableMap(fromJS({
home: ImmutableRecord({ items: ImmutableOrderedSet(['5', '2', '1']) })(),
}));
const expected = ImmutableOrderedSet(['6', '5', '4', '2', '1']);
const action = {
type: TIMELINE_EXPAND_SUCCESS,
timeline: 'home',
statuses: [{ id: '6' }, { id: '5' }, { id: '4' }],
};
const result = reducer(state as any, action);
expect(result.getIn(['home', 'items'])).toEqual(expected);
});
it('merges old status IDs', () => {
const state = ImmutableMap(fromJS({
home: ImmutableRecord({ items: ImmutableOrderedSet(['6', '4', '3']) })(),
}));
const expected = ImmutableOrderedSet(['6', '4', '3', '5', '2', '1']);
const action = {
type: TIMELINE_EXPAND_SUCCESS,
timeline: 'home',
statuses: [{ id: '5' }, { id: '2' }, { id: '1' }],
};
const result = reducer(state as any, action);
expect(result.getIn(['home', 'items'])).toEqual(expected);
});
it('overrides pinned post IDs', () => {
const state = ImmutableMap(fromJS({
'account:1:pinned': ImmutableRecord({ items: ImmutableOrderedSet(['5', '2', '1']) })(),
}));
const expected = ImmutableOrderedSet(['9', '8', '7']);
const action = {
type: TIMELINE_EXPAND_SUCCESS,
timeline: 'home',
statuses: [{ id: '9' }, { id: '8' }, { id: '7' }],
};
const result = reducer(state as any, action);
expect(result.getIn(['home', 'items'])).toEqual(expected);
});
});
});