electron/spec/api-web-frame-spec.js

114 lines
3.9 KiB
JavaScript

const { expect } = require('chai');
const { webFrame } = require('electron');
describe('webFrame module', function () {
it('top is self for top frame', () => {
expect(webFrame.top.context).to.equal(webFrame.context);
});
it('opener is null for top frame', () => {
expect(webFrame.opener).to.be.null();
});
it('firstChild is null for top frame', () => {
expect(webFrame.firstChild).to.be.null();
});
it('getFrameForSelector() does not crash when not found', () => {
expect(webFrame.getFrameForSelector('unexist-selector')).to.be.null();
});
it('findFrameByName() does not crash when not found', () => {
expect(webFrame.findFrameByName('unexist-name')).to.be.null();
});
it('findFrameByRoutingId() does not crash when not found', () => {
expect(webFrame.findFrameByRoutingId(-1)).to.be.null();
});
describe('executeJavaScript', () => {
let childFrameElement, childFrame;
before(() => {
childFrameElement = document.createElement('iframe');
document.body.appendChild(childFrameElement);
childFrame = webFrame.firstChild;
});
after(() => {
childFrameElement.remove();
});
it('executeJavaScript() yields results via a promise and a sync callback', async () => {
let callbackResult, callbackError;
const executeJavaScript = childFrame
.executeJavaScript('1 + 1', (result, error) => {
callbackResult = result;
callbackError = error;
});
expect(callbackResult).to.equal(2);
expect(callbackError).to.be.undefined();
const promiseResult = await executeJavaScript;
expect(promiseResult).to.equal(2);
});
it('executeJavaScriptInIsolatedWorld() yields results via a promise and a sync callback', async () => {
let callbackResult, callbackError;
const executeJavaScriptInIsolatedWorld = childFrame
.executeJavaScriptInIsolatedWorld(999, [{ code: '1 + 1' }], (result, error) => {
callbackResult = result;
callbackError = error;
});
expect(callbackResult).to.equal(2);
expect(callbackError).to.be.undefined();
const promiseResult = await executeJavaScriptInIsolatedWorld;
expect(promiseResult).to.equal(2);
});
it('executeJavaScript() yields errors via a promise and a sync callback', async () => {
let callbackResult, callbackError;
const executeJavaScript = childFrame
.executeJavaScript('thisShouldProduceAnError()', (result, error) => {
callbackResult = result;
callbackError = error;
});
expect(callbackResult).to.be.undefined();
expect(callbackError).to.be.an('error');
await expect(executeJavaScript).to.eventually.be.rejected('error is expected');
});
// executeJavaScriptInIsolatedWorld is failing to detect exec errors and is neither
// rejecting nor passing the error to the callback. This predates the reintroduction
// of the callback so will not be fixed as part of the callback PR
// if/when this is fixed the test can be uncommented.
//
// it('executeJavaScriptInIsolatedWorld() yields errors via a promise and a sync callback', done => {
// let callbackResult, callbackError
//
// const executeJavaScriptInIsolatedWorld = childFrame
// .executeJavaScriptInIsolatedWorld(999, [{ code: 'thisShouldProduceAnError()' }], (result, error) => {
// callbackResult = result
// callbackError = error
// });
//
// expect(callbackResult).to.be.undefined()
// expect(callbackError).to.be.an('error')
//
// expect(executeJavaScriptInIsolatedWorld).to.eventually.be.rejected('error is expected');
// })
it('executeJavaScript(InIsolatedWorld) can be used without a callback', async () => {
expect(await webFrame.executeJavaScript('1 + 1')).to.equal(2);
expect(await webFrame.executeJavaScriptInIsolatedWorld(999, [{ code: '1 + 1' }])).to.equal(2);
});
});
});