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add follow action and reducers test

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Shin'ya Ueoka 2017-10-02 21:53:12 +09:00
parent 0a7ae631cd
commit fc36195e79
2 changed files with 82 additions and 0 deletions
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test/reducers/follow.test.js Normal file
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import { expect } from "chai";
import actions from '../../src/actions';
import followReducer from '../../src/reducers/follow';
describe('follow reducer', () => {
it ('returns the initial state', () => {
let state = followReducer(undefined, {});
expect(state).to.have.property('enabled', false);
expect(state).to.have.property('newTab');
expect(state).to.have.deep.property('keys', []);
});
it ('returns next state for FOLLOW_ENABLE', () => {
let action = { type: actions.FOLLOW_ENABLE, newTab: true };
let state = followReducer({ enabled: false, newTab: false }, action);
expect(state).to.have.property('enabled', true);
expect(state).to.have.property('newTab', true);
});
it ('returns next state for FOLLOW_DISABLE', () => {
let action = { type: actions.FOLLOW_DISABLE };
let state = followReducer({ enabled: true }, action);
expect(state).to.have.property('enabled', false);
});
it ('returns next state for FOLLOW_KEY_PRESS', () => {
let action = { type: actions.FOLLOW_KEY_PRESS, key: 100};
let state = followReducer({ keys: [] }, action);
expect(state).to.have.deep.property('keys', [100]);
action = { type: actions.FOLLOW_KEY_PRESS, key: 200};
state = followReducer(state, action);
expect(state).to.have.deep.property('keys', [100, 200]);
});
it ('returns next state for FOLLOW_BACKSPACE', () => {
let action = { type: actions.FOLLOW_BACKSPACE };
let state = followReducer({ keys: [100, 200] }, action);
expect(state).to.have.deep.property('keys', [100]);
state = followReducer(state, action);
expect(state).to.have.deep.property('keys', []);
state = followReducer(state, action);
expect(state).to.have.deep.property('keys', []);
});
});