accounts-frontend/tests/services/authFlow/AuthFlow.test.js

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import AuthFlow from 'services/authFlow/AuthFlow';
import AbstractState from 'services/authFlow/AbstractState';
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import OAuthState from 'services/authFlow/OAuthState';
import RegisterState from 'services/authFlow/RegisterState';
import RecoverPasswordState from 'services/authFlow/RecoverPasswordState';
import ForgotPasswordState from 'services/authFlow/ForgotPasswordState';
import ActivationState from 'services/authFlow/ActivationState';
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import ResendActivationState from 'services/authFlow/ResendActivationState';
import LoginState from 'services/authFlow/LoginState';
// TODO: navigate and state switching
describe('AuthFlow', () => {
let flow;
let actions;
beforeEach(() => {
actions = {test: sinon.stub()};
actions.test.returns('passed');
flow = new AuthFlow(actions);
});
it('throws when no actions provided', () => {
expect(() => new AuthFlow()).to.throw('AuthFlow requires an actions object');
});
it('should not allow to mutate actions', () => {
expect(() => flow.actions.foo = 'bar').to.throw(/readonly/);
expect(() => flow.actions.test = 'hacked').to.throw(/readonly/);
});
describe('#setState', () => {
it('should change state', () => {
const state = new AbstractState();
flow.setState(state);
expect(flow.state).to.be.equal(state);
});
it('should call #enter() on new state and pass reference to itself', () => {
const state = new AbstractState();
const spy = sinon.spy(state, 'enter');
flow.setState(state);
sinon.assert.calledWith(spy, flow);
sinon.assert.calledOnce(spy);
});
it('should call `leave` on previous state if any', () => {
class State1 extends AbstractState {}
class State2 extends AbstractState {}
const state1 = new State1();
const state2 = new State2();
const spy1 = sinon.spy(state1, 'leave');
const spy2 = sinon.spy(state2, 'leave');
flow.setState(state1);
flow.setState(state2);
sinon.assert.calledWith(spy1, flow);
sinon.assert.calledOnce(spy1);
sinon.assert.notCalled(spy2);
});
it('should return promise, if #enter returns it', () => {
const state = new AbstractState();
const expected = Promise.resolve();
state.enter = () => expected;
const actual = flow.setState(state);
expect(actual).to.be.equal(expected);
});
it('should throw if no state', () => {
expect(() => flow.setState()).to.throw('State is required');
});
});
describe('#run', () => {
let store;
beforeEach(() => {
store = {
getState() {},
dispatch: sinon.stub()
};
flow.setStore(store);
});
it('should dispatch an action', () => {
flow.run('test');
sinon.assert.calledOnce(store.dispatch);
sinon.assert.calledWith(store.dispatch, 'passed');
});
it('should dispatch an action with payload given', () => {
flow.run('test', 'arg');
sinon.assert.calledOnce(actions.test);
sinon.assert.calledWith(actions.test, 'arg');
});
it('should return action dispatch result', () => {
const expected = 'dispatch called';
store.dispatch.returns(expected);
expect(flow.run('test')).to.be.equal(expected);
});
it('throws when running unexisted action', () => {
expect(() => flow.run('123')).to.throw('Action 123 does not exists');
});
});
describe('#goBack', () => {
it('should call goBack on state passing itself as argument', () => {
const state = new AbstractState();
sinon.stub(state, 'goBack');
flow.setState(state);
flow.goBack();
sinon.assert.calledOnce(state.goBack);
sinon.assert.calledWith(state.goBack, flow);
});
});
describe('#resolve', () => {
it('should call resolve on state passing itself and payload as arguments', () => {
const state = new AbstractState();
sinon.stub(state, 'resolve');
flow.setState(state);
const expectedPayload = {foo: 'bar'};
flow.resolve(expectedPayload);
sinon.assert.calledOnce(state.resolve);
sinon.assert.calledWithExactly(state.resolve, flow, expectedPayload);
});
});
describe('#reject', () => {
it('should call reject on state passing itself and payload as arguments', () => {
const state = new AbstractState();
sinon.stub(state, 'reject');
flow.setState(state);
const expectedPayload = {foo: 'bar'};
flow.reject(expectedPayload);
sinon.assert.calledOnce(state.reject);
sinon.assert.calledWithExactly(state.reject, flow, expectedPayload);
});
});
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describe('#handleRequest()', () => {
beforeEach(() => {
sinon.stub(flow, 'setState');
sinon.stub(flow, 'run');
});
Object.entries({
'/': LoginState,
'/login': LoginState,
'/password': LoginState,
'/change-password': LoginState,
'/oauth/permissions': LoginState,
'/oauth/finish': LoginState,
'/oauth': OAuthState,
'/register': RegisterState,
'/recover-password': RecoverPasswordState,
'/recover-password/key123': RecoverPasswordState,
'/forgot-password': ForgotPasswordState,
'/activation': ActivationState,
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'/resend-activation': ResendActivationState
}).forEach(([path, type]) => {
it(`should transition to ${type.name} if ${path}`, () => {
flow.handleRequest(path);
sinon.assert.calledOnce(flow.setState);
sinon.assert.calledWithExactly(flow.setState, sinon.match.instanceOf(type));
});
});
it('should run setOAuthRequest if /', () => {
flow.handleRequest('/');
sinon.assert.calledOnce(flow.run);
sinon.assert.calledWithExactly(flow.run, 'setOAuthRequest', {});
});
it('should call callback', () => {
const callback = sinon.stub();
flow.handleRequest('/', () => {}, callback);
sinon.assert.calledOnce(callback);
});
it('should not call callback till returned from #enter() promise will be resolved', () => {
let resolve;
const promise = {then: (cb) => {resolve = cb;}};
const callback = sinon.stub();
const state = new AbstractState();
state.enter = () => promise;
flow.setState = AuthFlow.prototype.setState.bind(flow, state);
flow.handleRequest('/', () => {}, callback);
expect(resolve).to.be.a('function');
sinon.assert.notCalled(callback);
resolve();
sinon.assert.calledOnce(callback);
});
it('should not handle the same request twice', () => {
const path = '/oauth';
const callback = sinon.stub();
flow.handleRequest(path, () => {}, callback);
flow.handleRequest(path, () => {}, callback);
sinon.assert.calledOnce(flow.setState);
sinon.assert.calledTwice(callback);
sinon.assert.calledWithExactly(flow.setState, sinon.match.instanceOf(OAuthState));
});
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it('throws if unsupported request', () => {
expect(() => flow.handleRequest('/foo/bar')).to.throw('Unsupported request: /foo/bar');
});
});
});