electron-mock-ipc
Version:
Mock Electron's ipcMain and ipcRenderer
379 lines (378 loc) • 17.5 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g = Object.create((typeof Iterator === "function" ? Iterator : Object).prototype);
return g.next = verb(0), g["throw"] = verb(1), g["return"] = verb(2), typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (g && (g = 0, op[0] && (_ = 0)), _) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var index_1 = __importDefault(require("@/index"));
var helper_1 = require("./helper");
describe('send event from renderer to main', function () {
var ipcMain;
var ipcRenderer;
beforeEach(function () {
var mocked = (0, index_1.default)();
ipcMain = mocked.ipcMain;
ipcRenderer = mocked.ipcRenderer;
});
describe('send and once', function () {
it('should be received in main', function () {
var testMessage = 'test';
ipcMain.once('test-event', function (_ev, obj) {
expect(obj).toEqual(testMessage);
});
ipcRenderer.send('test-event', testMessage);
});
it('should be resent and received', function () {
var testMessage = 'test';
ipcRenderer.once('response-test-event', function (_ev, obj) {
expect(obj).toEqual(testMessage);
});
ipcMain.once('test-event', function (ev, obj) {
ev.sender.send('response-test-event', obj);
});
ipcRenderer.send('test-event', testMessage);
});
});
describe('send and on', function () {
afterEach(function () {
ipcMain.removeAllListeners('test-event');
ipcRenderer.removeAllListeners('response-test-event');
});
it('should be received in main', function () {
var testMessage = 'test';
ipcMain.on('test-event', function (_ev, obj) {
expect(obj).toEqual(testMessage);
});
ipcRenderer.send('test-event', testMessage);
});
it('should be resent and received', function () {
var testMessage = 'test';
ipcRenderer.on('response-test-event', function (_ev, obj) {
expect(obj).toEqual(testMessage);
});
ipcMain.on('test-event', function (ev, obj) {
ev.sender.send('response-test-event', obj);
});
ipcRenderer.send('test-event', testMessage);
});
});
describe('invoke', function () {
afterEach(function () {
ipcMain.removeHandler('test-event');
});
it('should handle events', function () { return __awaiter(void 0, void 0, void 0, function () {
var res;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
ipcMain.handle('test-event', function (_event, args) { return __awaiter(void 0, void 0, void 0, function () {
var result;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4, (0, helper_1.sleepMethod)(args)];
case 1:
result = _a.sent();
return [2, result];
}
});
}); });
return [4, ipcRenderer.invoke('test-event', 'hoge')];
case 1:
res = _a.sent();
expect(res).toEqual('hoge');
return [2];
}
});
}); });
it('should handle error events', function () { return __awaiter(void 0, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
ipcMain.handle('test-event', function (_event, _args) { return __awaiter(void 0, void 0, void 0, function () {
return __generator(this, function (_a) {
throw new Error();
});
}); });
return [4, expect(ipcRenderer.invoke('test-event', 'hoge')).rejects.toThrow(Error)];
case 1:
_a.sent();
return [2];
}
});
}); });
it('should handle once an event', function () { return __awaiter(void 0, void 0, void 0, function () {
var res;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
ipcMain.handleOnce('test-event', function (_event, args) { return __awaiter(void 0, void 0, void 0, function () {
var result;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4, (0, helper_1.sleepMethod)(args)];
case 1:
result = _a.sent();
return [2, result];
}
});
}); });
return [4, ipcRenderer.invoke('test-event', 'hoge')];
case 1:
res = _a.sent();
expect(res).toEqual('hoge');
return [2];
}
});
}); });
it('should handle once an error event', function () { return __awaiter(void 0, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
ipcMain.handleOnce('test-event', function (_event, _args) { return __awaiter(void 0, void 0, void 0, function () {
return __generator(this, function (_a) {
throw new Error();
});
}); });
return [4, expect(ipcRenderer.invoke('test-event', 'hoge')).rejects.toThrow(Error)];
case 1:
_a.sent();
return [2];
}
});
}); });
it('removes event listeners it doesnt need', function () { return __awaiter(void 0, void 0, void 0, function () {
var i, event;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
ipcMain.handle('test-event', function () { });
i = 0;
_a.label = 1;
case 1:
if (!(i < 20)) return [3, 4];
return [4, ipcRenderer.invoke('test-event')];
case 2:
_a.sent();
_a.label = 3;
case 3:
++i;
return [3, 1];
case 4:
event = ipcRenderer.errorEmitter.eventNames().find(function (n) { return typeof n === 'string' && n.match(/test-event/); });
expect(ipcRenderer.errorEmitter.listenerCount(event)).toBe(0);
return [2];
}
});
}); });
});
});
describe('send event from main to renderer', function () {
var ipcMain;
var ipcRenderer;
beforeEach(function () {
var mocked = (0, index_1.default)();
ipcMain = mocked.ipcMain;
ipcRenderer = mocked.ipcRenderer;
});
describe('send and once', function () {
it('should be received in renderer', function () {
var testMessage = 'test';
ipcRenderer.once('test-event', function (_ev, obj) {
expect(obj).toEqual(testMessage);
});
ipcMain.send('test-event', testMessage);
});
it('should be resent and received', function () {
var testMessage = 'test';
ipcMain.once('response-test-event', function (_ev, obj) {
expect(obj).toEqual(testMessage);
});
ipcRenderer.once('test-event', function (ev, obj) {
ev.sender.send('response-test-event', obj);
});
ipcMain.send('test-event', testMessage);
});
});
describe('send and on', function () {
afterEach(function () {
ipcMain.removeAllListeners('response-test-event');
ipcRenderer.removeAllListeners('test-event');
});
it('should be received in renderer', function () {
var testMessage = 'test';
ipcRenderer.on('test-event', function (_ev, obj) {
expect(obj).toEqual(testMessage);
});
ipcMain.send('test-event', testMessage);
});
it('should be resent and received', function () {
var testMessage = 'test';
ipcMain.on('response-test-event', function (_ev, obj) {
expect(obj).toEqual(testMessage);
});
ipcRenderer.on('test-event', function (ev, obj) {
ev.sender.send('response-test-event', obj);
});
ipcMain.send('test-event', testMessage);
});
});
});
describe('registered event handlers are returned from #eventNames', function () {
var ipcMain;
var ipcRenderer;
beforeEach(function () {
var mocked = (0, index_1.default)();
ipcMain = mocked.ipcMain;
ipcRenderer = mocked.ipcRenderer;
});
it('ipcMain should return the events that were registered', function () {
ipcMain.on('test-event', function () { return null; });
expect(ipcMain.eventNames()).toEqual(expect.arrayContaining(['test-event']));
});
it('ipcRenderer should return the events that were registered', function () {
ipcRenderer.on('test-event', function () { return null; });
expect(ipcRenderer.eventNames()).toEqual(expect.arrayContaining(['test-event']));
});
});
describe('invoke from renderer does not emit in renderer', function () {
var ipcMain;
var ipcRenderer;
beforeEach(function () {
var mocked = (0, index_1.default)();
ipcMain = mocked.ipcMain;
ipcRenderer = mocked.ipcRenderer;
});
it('does not repeat when using invoke/handle', function () { return __awaiter(void 0, void 0, void 0, function () {
var mainFn, rendererFn, result;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
mainFn = jest.fn(function () { return 'hello'; });
rendererFn = jest.fn();
ipcMain.handle('my-event', mainFn);
ipcRenderer.on('my-event', rendererFn);
return [4, ipcRenderer.invoke('my-event')];
case 1:
result = _a.sent();
expect(result).toBe('hello');
expect(mainFn).toBeCalled();
expect(rendererFn).not.toBeCalled();
return [2];
}
});
}); });
it('does not repeat when using send/on', function (done) {
var mainFn = jest.fn(function () { return 'hello'; });
var rendererFn = jest.fn();
ipcMain.on('my-event', mainFn);
ipcRenderer.on('my-event', rendererFn);
ipcRenderer.send('my-event');
setTimeout(function () {
expect(mainFn).toBeCalled();
expect(rendererFn).not.toBeCalled();
done();
});
});
});
describe('remove old listener', function () {
var ipcMain;
var ipcRenderer;
beforeEach(function () {
var mocked = (0, index_1.default)();
ipcMain = mocked.ipcMain;
ipcRenderer = mocked.ipcRenderer;
});
describe('ipcMain', function () {
it('handle', function () { return __awaiter(void 0, void 0, void 0, function () {
var first, second;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
ipcMain.handle('test-event', function () { return __awaiter(void 0, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2, true];
});
}); });
return [4, ipcRenderer.invoke('test-event')];
case 1:
first = _a.sent();
expect(first).toBeTruthy();
ipcMain.removeHandler('test-event');
ipcMain.handle('test-event', function () { return __awaiter(void 0, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2, false];
});
}); });
return [4, ipcRenderer.invoke('test-event')];
case 2:
second = _a.sent();
expect(second).toBeFalsy();
return [2];
}
});
}); });
it('handleOnce', function () { return __awaiter(void 0, void 0, void 0, function () {
var first, second;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
ipcMain.handleOnce('test-event', function () { return __awaiter(void 0, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2, true];
});
}); });
return [4, ipcRenderer.invoke('test-event')];
case 1:
first = _a.sent();
expect(first).toBeTruthy();
ipcMain.removeHandler('test-event');
ipcMain.handleOnce('test-event', function () { return __awaiter(void 0, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2, false];
});
}); });
return [4, ipcRenderer.invoke('test-event')];
case 2:
second = _a.sent();
expect(second).toBeFalsy();
return [2];
}
});
}); });
});
});