acelga-bus
Version:
An extensible typescript message bus with support for middlewares
134 lines • 7.4 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
const pipeline_1 = require("@src/corebus/pipeline");
const dispatcher_1 = require("@src/corebus/dispatcher");
class EventA {
}
class EventB {
}
describe('Pipeline', () => {
let pipeline;
let dispatcher;
beforeEach(() => {
dispatcher = new dispatcher_1.Dispatcher();
pipeline = new pipeline_1.Pipeline(dispatcher);
});
describe('executeStopOnError', () => {
it('should stop on error', () => __awaiter(this, void 0, void 0, function* () {
const eventACallback = jest.fn(() => { throw new Error('Hola'); });
const eventBCallback = jest.fn(() => Promise.resolve());
dispatcher.on(EventA, eventACallback);
dispatcher.on(EventB, eventBCallback);
const errors = yield pipeline.executeStopOnError([new EventA(), new EventB()]);
expect(eventACallback).toHaveBeenCalledTimes(1);
expect(eventBCallback).toHaveBeenCalledTimes(0);
expect(errors).toBeInstanceOf(Array);
if (!Array.isArray(errors))
return;
expect(errors.length).toBe(2);
expect(errors[0].error).toEqual(new Error('Hola'));
expect(errors[0].event).toBeInstanceOf(EventA);
}));
it('should stop on a rejected promise', () => __awaiter(this, void 0, void 0, function* () {
const eventACallback = jest.fn(() => Promise.reject(new Error('Hola')));
const eventBCallback = jest.fn(() => Promise.resolve());
dispatcher.on(EventA, eventACallback);
dispatcher.on(EventB, eventBCallback);
const errors = yield pipeline.executeStopOnError([new EventA(), new EventB()]);
expect(eventACallback).toHaveBeenCalledTimes(1);
expect(eventBCallback).toHaveBeenCalledTimes(0);
expect(errors).toBeInstanceOf(Array);
if (!Array.isArray(errors))
return;
expect(errors.length).toBe(2);
expect(errors[0].error).toEqual(new Error('Hola'));
expect(errors[0].event).toBeInstanceOf(EventA);
}));
it('should not stop if there is no error', () => __awaiter(this, void 0, void 0, function* () {
const eventACallback = jest.fn(() => Promise.resolve());
const eventBCallback = jest.fn(() => Promise.resolve());
dispatcher.on(EventA, eventACallback);
dispatcher.on(EventB, eventBCallback);
const errors = yield pipeline.executeStopOnError([new EventA(), new EventB()]);
expect(eventACallback).toHaveBeenCalledTimes(1);
expect(eventBCallback).toHaveBeenCalledTimes(1);
expect(errors).toBeUndefined();
}));
it('should return the rest of non processed events as error in case of error (case Promise rejected)', () => __awaiter(this, void 0, void 0, function* () {
const eventACallback = jest.fn(() => Promise.reject());
const eventBCallback = jest.fn(() => Promise.resolve());
dispatcher.on(EventA, eventACallback);
dispatcher.on(EventB, eventBCallback);
dispatcher.on(EventB, eventBCallback);
const errors = yield pipeline.executeStopOnError([new EventA(), new EventB(), new EventB()]);
expect(eventACallback).toHaveBeenCalledTimes(1);
expect(eventBCallback).toHaveBeenCalledTimes(0);
if (!Array.isArray(errors))
return;
expect(errors.length).toBe(3);
}));
it('should return the rest of non processed events as error in case of error (case throw)', () => __awaiter(this, void 0, void 0, function* () {
const eventACallback = jest.fn(() => { throw new Error('hola'); });
const eventBCallback = jest.fn(() => Promise.resolve());
dispatcher.on(EventA, eventACallback);
dispatcher.on(EventB, eventBCallback);
const errors = yield pipeline.executeStopOnError([new EventA(), new EventB(), new EventB()]);
expect(eventACallback).toHaveBeenCalledTimes(1);
expect(eventBCallback).toHaveBeenCalledTimes(0);
if (!Array.isArray(errors))
return;
expect(errors.length).toBe(3);
}));
});
describe('executeContinueOnError', () => {
it('should stop on error', () => __awaiter(this, void 0, void 0, function* () {
const eventACallback = jest.fn(() => { throw new Error('Hola'); });
const eventBCallback = jest.fn(() => Promise.resolve());
dispatcher.on(EventA, eventACallback);
dispatcher.on(EventB, eventBCallback);
const errors = yield pipeline.executeContinueOnError([new EventA(), new EventB()]);
expect(eventACallback).toHaveBeenCalledTimes(1);
expect(eventBCallback).toHaveBeenCalledTimes(1);
expect(errors).toBeInstanceOf(Array);
if (!Array.isArray(errors))
return;
expect(errors.length).toBe(1);
expect(errors[0].error).toEqual(new Error('Hola'));
expect(errors[0].event).toBeInstanceOf(EventA);
}));
it('should stop on a rejected promise', () => __awaiter(this, void 0, void 0, function* () {
const eventACallback = jest.fn(() => Promise.reject(new Error('Hola')));
const eventBCallback = jest.fn(() => Promise.resolve());
dispatcher.on(EventA, eventACallback);
dispatcher.on(EventB, eventBCallback);
const errors = yield pipeline.executeContinueOnError([new EventA(), new EventB()]);
expect(eventACallback).toHaveBeenCalledTimes(1);
expect(eventBCallback).toHaveBeenCalledTimes(1);
expect(errors).toBeInstanceOf(Array);
if (!Array.isArray(errors))
return;
expect(errors.length).toBe(1);
expect(errors[0].error).toEqual(new Error('Hola'));
expect(errors[0].event).toBeInstanceOf(EventA);
}));
it('should not stop if there is no error', () => __awaiter(this, void 0, void 0, function* () {
const eventACallback = jest.fn(() => Promise.resolve());
const eventBCallback = jest.fn(() => Promise.resolve());
dispatcher.on(EventA, eventACallback);
dispatcher.on(EventB, eventBCallback);
const errors = yield pipeline.executeContinueOnError([new EventA(), new EventB()]);
expect(eventACallback).toHaveBeenCalledTimes(1);
expect(eventBCallback).toHaveBeenCalledTimes(1);
expect(errors).toBeUndefined();
}));
});
});
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