87 lines
2.6 KiB
JavaScript
87 lines
2.6 KiB
JavaScript
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// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
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// This file is part of Parity.
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// Parity is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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import sinon from 'sinon';
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import { initialState as defaultNodeStatusState } from './statusReducer';
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import ChainMiddleware from './chainMiddleware';
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let middleware;
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let next;
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let store;
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function createMiddleware (collection = {}) {
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middleware = new ChainMiddleware().toMiddleware();
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next = sinon.stub();
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store = {
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dispatch: sinon.stub(),
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getState: () => {
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return {
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nodeStatus: Object.assign({}, defaultNodeStatusState, collection)
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};
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}
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};
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return middleware;
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}
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function callMiddleware (action) {
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return middleware(store)(next)(action);
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}
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describe('reduxs/providers/ChainMiddleware', () => {
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describe('next action', () => {
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beforeEach(() => {
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createMiddleware();
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});
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it('calls next with matching actiontypes', () => {
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callMiddleware({ type: 'statusCollection' });
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expect(next).to.have.been.calledWithMatch({ type: 'statusCollection' });
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});
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it('calls next with non-matching actiontypes', () => {
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callMiddleware({ type: 'nonMatchingType' });
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expect(next).to.have.been.calledWithMatch({ type: 'nonMatchingType' });
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});
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});
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describe('chain switching', () => {
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it('does not dispatch when moving from the initial/unknown chain', () => {
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createMiddleware();
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callMiddleware({ type: 'statusCollection', collection: { netChain: 'homestead' } });
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expect(store.dispatch).not.to.have.been.called;
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});
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it('does not dispatch when moving to the same chain', () => {
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createMiddleware({ netChain: 'homestead' });
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callMiddleware({ type: 'statusCollection', collection: { netChain: 'homestead' } });
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expect(store.dispatch).not.to.have.been.called;
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});
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it('does dispatch when moving between chains', () => {
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createMiddleware({ netChain: 'homestead' });
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callMiddleware({ type: 'statusCollection', collection: { netChain: 'ropsten' } });
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expect(store.dispatch).to.have.been.called;
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});
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});
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});
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