bigbluebutton-Github/bigbluebutton-tests/puppeteer/webcam/util.js
2021-08-25 16:32:14 -03:00

82 lines
2.9 KiB
JavaScript

const we = require('./elements');
const { sleep } = require('../core/helper');
const { checkElement, clickElement , checkElementLengthDifferentTo } = require('../core/util');
const {
LOOP_INTERVAL,
ELEMENT_WAIT_TIME,
VIDEO_LOADING_WAIT_TIME,
ELEMENT_WAIT_LONGER_TIME,
} = require('../core/constants');
async function enableWebcam(test, videoPreviewTimeout) {
// Enabling webcam
await test.waitForSelector(we.joinVideo, ELEMENT_WAIT_TIME);
await test.page.evaluate(clickElement, we.joinVideo);
await test.waitForSelector(we.videoPreview, videoPreviewTimeout);
await test.waitForSelector(we.startSharingWebcam, ELEMENT_WAIT_TIME);
await test.page.evaluate(clickElement, we.startSharingWebcam);
await test.waitForSelector(we.webcamConnecting, ELEMENT_WAIT_TIME);
await test.waitForSelector(we.webcamVideo, VIDEO_LOADING_WAIT_TIME);
await test.waitForSelector(we.leaveVideo, VIDEO_LOADING_WAIT_TIME);
return test.page.evaluate(checkElementLengthDifferentTo, we.webcamVideo, 0);
}
async function evaluateCheck(test) {
await test.waitForSelector(we.videoContainer, ELEMENT_WAIT_TIME);
return test.page.evaluate(checkElement, we.presentationFullscreenButton, 1);
}
async function startAndCheckForWebcams(test) {
await enableWebcam(test);
const response = await evaluateCheck(test);
return response;
}
async function webcamContentCheck(test) {
await test.waitForSelector(we.videoContainer, ELEMENT_WAIT_TIME);
await test.waitForElementHandleToBeRemoved(we.webcamConnecting, ELEMENT_WAIT_LONGER_TIME);
const repeats = 5;
let check;
for (let i = repeats; i >= 1; i--) {
console.log(`loop ${i}`);
const checkCameras = function (i) {
const videos = document.querySelectorAll('video');
const lastVideoColor = document.lastVideoColor || {};
document.lastVideoColor = lastVideoColor;
for (let v = 0; v < videos.length; v++) {
const video = videos[v];
const canvas = document.createElement('canvas');
const context = canvas.getContext('2d');
context.drawImage(video, 0, 0, video.videoWidth, video.videoHeight);
const pixel = context.getImageData(50, 50, 1, 1).data;
const pixelString = new Array(pixel).join(' ').toString();
if (lastVideoColor[v]) {
if (lastVideoColor[v] == pixelString) {
return false;
}
}
lastVideoColor[v] = pixelString;
return true;
}
};
check = await test.page.evaluate(checkCameras, i);
await sleep(LOOP_INTERVAL);
}
return check === true;
}
async function countTestElements(element) {
const respCount = await document.querySelectorAll(element).length;
console.log({ respCount });
return respCount;
}
exports.startAndCheckForWebcams = startAndCheckForWebcams;
exports.webcamContentCheck = webcamContentCheck;
exports.evaluateCheck = evaluateCheck;
exports.enableWebcam = enableWebcam;
exports.countTestElements = countTestElements;