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How to use isTextContentType method in Playwright Internal

Best JavaScript code snippet using playwright-internal

Endpoints.component.js

Source:Endpoints.component.js

...411                if (chunk) {412                    chunks.push(chunk);413                }414                const body = Buffer.concat(chunks);415                const response = helpers.isTextContentType(res.get('content-type')) ? body.toString() : body;416                cache.store(cacheKey, response);417            };418            next();419        }];420    }421    _hasEnoughScope(userScopeArr, endpointScope) {422        let hasEnoughScope = false;423        _.forEach(userScopeArr, (userScope) => {424            hasEnoughScope = endpointScope === userScope || endpointScope.startsWith(`${userScope}:`);425            return !hasEnoughScope;426        });427        return hasEnoughScope;428    }429}...

client.js

Source:client.js

...40        return this.$xhr.response;41    },42    $prepareText: function(success) {43        var that = this;44        if (this.$isTextContentType(this.$xhr.getResponseHeader("Content-Type"))) {45            this.$fr = new FileReader();46            this.$fr.onload = function() {47                that.$text = that.$fr.result;48                that.$completed(true);49            };50            this.$fr.onerror = function() {51                that.$completed(false);52            };53            this.$fr.onabort = function() {54                that.$aborted();55            };56            this.$fr.readAsText(this.$xhr.response);57        } else {58            this.$completed(success);...

worker.js

Source:worker.js

...33}34const isTextContentType = type => type == null || type.startsWith('text/')35const renderBody = async (filepath, url, contentType, templateVars) => {36  const isTemplated = templateVars != null37  const encoding = isTemplated || isTextContentType(contentType) ? 'utf8' : null38  const body = await fs.readFile(filepath, encoding)39  if (!isTemplated) {40    return body41  }42  return interpolateTemplateVars(body, {43    ...templateVars,44    fileUrl: serverUrl + url.pathname,45    dirUrl: serverUrl + path.dirname(url.pathname)46  })47}48const runRoute = async ({ filepath, templateVars }, url) => {49  const contentType = getContentType(filepath)50  const body = await renderBody(filepath, url, contentType, templateVars)51  return { contentType, body }...

sme-httpresponse.js

Source:sme-httpresponse.js

1"use strict";2const Core = require('./sme-core.js');3module.exports = function (RED) {4    function isTextContentType(contentType) {5        if (!contentType)6            return false;7        var c = contentType.toLowerCase();8        return c.startsWith("text/") || c.startsWith("multipart/") || contentType.indexOf("script") >= 0;9    }10    function SmeNode(config) {11        RED.nodes.createNode(this, config);12       13        var node = this;14        node.on('input', function (msg, send, done) {15            send = send || function () { node.send.apply(node, arguments) };16            var core = new Core();17            var smeHelper = new core.SmeHelper();18            var smeReceivedMsg = smeHelper.getReceivedMsg(msg);19            var requestID = smeReceivedMsg && smeReceivedMsg.HttpRequest && smeReceivedMsg.HttpRequest.RequestID;20            if (requestID) {21                var smeHttpResponse = {22                    RequestID: requestID,23                    StatusCode: msg.statusCode,24                    StatusMessage: msg.statusMessage,25                    Headers: msg.headers26                };27                if (msg.headers) {28                    smeHttpResponse.Headers = {};29                    for (var headerName in msg.headers) {30                        var headerValue = msg.headers[headerName];31                        smeHttpResponse.Headers[headerName] = typeof (headerValue || '') == 'string' ? headerValue : JSON.stringify(headerValue);32                    }33                }34                if (msg.responseCookies) {35                    smeHttpResponse.SetCookies = [];36                    for (var cookieName in msg.responseCookies) {37                        var cookie = msg.responseCookies[cookieName];38                        smeHttpResponse.SetCookies.push({39                            Name: cookieName,40                            Path: cookie.path || cookie.Path,41                            Domain: cookie.domain || cookie.Domain,42                            SameSite: cookie.samesite || cookie.SameSite,43                            Value: cookie.value || cookie.Value,44                            Values: cookie.values || cookie.Values,45                            Expires: cookie.expires || cookie.Expires,46                            Secure: cookie.secure || cookie.Secure,47                            Sharable: cookie.sharable || cookie.Sharable,48                            HttpOnly: cookie.httponly || cookie.HttpOnly49                        });50                    }51                }52                if (msg.payload) {53                    console.log(typeof (msg.payload));54                    if (Buffer.isBuffer(msg.payload)) {55                        var contentType = msg.headers && msg.headers["content-type"];56                        smeHttpResponse.Content = isTextContentType(contentType) ? msg.payload.toString() : msg.payload.toString('base64');57                    }58                    else if (typeof (msg.payload) == 'string') {59                        smeHttpResponse.Content = msg.payload;60                    }61                    else {62                        smeHttpResponse.Content = JSON.stringify(msg.payload);63                    }64                }65                66                var smeSendingMsg = {};67                smeSendingMsg.Type = 'client';68                smeSendingMsg.TypeID = '80348B9C-8FB4-4071-BF4A-E07852543D06';69                smeSendingMsg.HttpResponse = smeHttpResponse;70                var smeReceivedMsg = smeHelper.addSendingMsg(msg, smeSendingMsg);...

general.js

Source:general.js

...85        .filter(p => p.in === type)86        .reduce((acc, p) => _.merge(acc, { [p.name]: p }), {})87        .value();88}89function isTextContentType(contentType) {90    return [91        /text\//,92        /application\/json/,93        /application\/x-javascript/,94        /application\/html/,95        /application\/xml/,96    ].some(regex => regex.test(contentType));97}98module.exports = {99    makeUrl,100    findAppRoot,101    reduceFiles,102    resolveScopeFromAction,103    resolveActionFromHttpMethod,...

index.js

Source:index.js

1import React, { useState } from "react";2import { Button, Modal } from "react-bootstrap";3import "./style.css";4const ReceivedMail = ({ mail }) => {5  const [show, setShow] = useState(false);6  const handleClose = () => setShow(false);7  const handleShow = () => setShow(true);8  const isTextContentType = mail.contentType === "text";9  const displayMailHeader = () => {10    return (11      <div>12        <div className="subject-section received-title-content">13          <span className="received-strong-title">SUBJECT: </span>{" "}14          {mail.subject}15        </div>16        <div className="from-section received-title-content">17          <span className="received-strong-title">FROM: </span> {mail.from}18        </div>19        <div className="to-section received-title-content">20          <span className="received-strong-title">TO: </span> {mail.to}21        </div>22        <div className="cc-section received-title-content">23          <span className="received-strong-title">CCs: </span> {mail.ccs}24        </div>25        <div className="received-title-content">26          <span className="received-strong-title">DATE & TIME: </span>27          {mail.dateTime}28        </div>29      </div>30    );31  };32  const displayMailBody = (content) => {33    return (34      <div35        className={36          isTextContentType37            ? "snippet-section received-content display-linebreak"38            : "snippet-section received-content"39        }40        dangerouslySetInnerHTML={{ __html: content }}41      ></div>42    );43  };44  return (45    <>46      <div className="received-mail-wrapper">47        {displayMailHeader()}48        {displayMailBody(mail.snippet)}49        <div className="full-message-section">50          <button51            onClick={handleShow}52            type="button"53            className="btn btn-light full-message-btn"54          >55            View Full Mail56          </button>57        </div>58      </div>59      <Modal show={show} onHide={handleClose}>60        <Modal.Header>{displayMailHeader()}</Modal.Header>61        <Modal.Body>{displayMailBody(mail.content)}</Modal.Body>62        <Modal.Footer>63          <Button variant="secondary" onClick={handleClose}>64            Close65          </Button>66        </Modal.Footer>67      </Modal>68    </>69  );70};...

media-type.js

Source:media-type.js

...3import { expect } from 'chai';4import { isTextContentType, isMultiPartFormData, hasBoundary, parseBoundary } from '../src/media-type';5describe('#isTextContentType', () => {6  it('does not detect non-text content type', () => {7    expect(isTextContentType('application/json')).to.be.false;8  });9  it('does not detect invalid content type', () => {10    expect(isTextContentType('')).to.be.false;11  });12  it('detects plain text', () => {13    expect(isTextContentType('text/plain')).to.be.true;14  });15  it('detects html text', () => {16    expect(isTextContentType('text/html')).to.be.true;17  });18  it('detects text content type with version', () => {19    expect(isTextContentType('text/plain; version=1')).to.be.true;20  });21});22describe('#isMultiPartFormData', () => {23  it('does not detect non multipart form content type', () => {24    expect(isMultiPartFormData('application/json')).to.be.false;25  });26  it('does not detect invalid content type', () => {27    expect(isMultiPartFormData('')).to.be.false;28  });29  it('detects multipart/form-data', () => {30    expect(isMultiPartFormData('multipart/form-data')).to.be.true;31  });32  it('detects text multipart/form-data with version', () => {33    expect(isMultiPartFormData('multipart/form-data; BOUNDARY=ABC')).to.be.true;...

media-type-test.js

Source:media-type-test.js

...3  isTextContentType, isMultiPartFormData, hasBoundary, parseBoundary,4} = require('../lib/media-type');5describe('#isTextContentType', () => {6  it('does not detect non-text content type', () => {7    expect(isTextContentType('application/json')).to.be.false;8  });9  it('does not detect invalid content type', () => {10    expect(isTextContentType('')).to.be.false;11  });12  it('detects plain text', () => {13    expect(isTextContentType('text/plain')).to.be.true;14  });15  it('detects html text', () => {16    expect(isTextContentType('text/html')).to.be.true;17  });18  it('detects text content type with version', () => {19    expect(isTextContentType('text/plain; version=1')).to.be.true;20  });21});22describe('#isMultiPartFormData', () => {23  it('does not detect non multipart form content type', () => {24    expect(isMultiPartFormData('application/json')).to.be.false;25  });26  it('does not detect invalid content type', () => {27    expect(isMultiPartFormData('')).to.be.false;28  });29  it('detects multipart/form-data', () => {30    expect(isMultiPartFormData('multipart/form-data')).to.be.true;31  });32  it('detects text multipart/form-data with version', () => {33    expect(isMultiPartFormData('multipart/form-data; BOUNDARY=ABC')).to.be.true;...

Using AI Code Generation

1const { isTextContentType } = require('playwright/lib/utils/utils');2const contentType = 'text/html';3const isText = isTextContentType(contentType);4console.log(`Is ${contentType} text? ${isText}`);5const { isTextContentType } = require('playwright/lib/utils/utils');6const contentType = 'application/json';7const isText = isTextContentType(contentType);8console.log(`Is ${contentType} text? ${isText}`);

Using AI Code Generation

1const { isTextContentType } = require('playwright/lib/utils/utils');2const contentType = 'text/html';3const isText = isTextContentType(contentType);4const { isTextContentType } = require('playwright/lib/utils/utils');5const contentType = 'application/json';6const isText = isTextContentType(contentType);7const { chromium } = require('playwright');8(async () => {9const browser = await chromium.launch();10const context = await browser.newContext();11const page = await context.newPage();12await page.fill('input[name="q"]', 'Playwright');13await page.click('input[type="submit"]');14await page.click('text=Playwright');15await browser.close();16})();

Using AI Code Generation

1const {isTextContentType} = require('playwright/lib/utils/utils');2const contentType = 'text/html';3console.log(isTextContentType(contentType));4const {isTextContentType} = require('playwright/lib/utils/utils');5const contentType = 'application/json';6console.log(isTextContentType(contentType));7const {isTextContentType} = require('playwright/lib/utils/utils');8const contentType = 'text/html';9console.log(isTextContentType(contentType));10const {isTextContentType} = require('playwright/lib/utils/utils');11const contentType = 'application/json';12console.log(isTextContentType(contentType));

Using AI Code Generation

1const { isTextContentType } = require('playwright/lib/utils/utils')2isTextContentType(contentType)3const { isTextContentType } = require('playwright/lib/utils/utils')4isTextContentType(contentType)5const { isTextContent } = require('playwright/lib/utils/utils')6isTextContent(content, contentType)7const { isTextContent } = require('playwright/lib/utils/utils')8isTextContent(content, contentType)9const { isTextContent } = require('playwright/lib/utils/utils')10isTextContent(content, contentType)11const { isSafeCloseError

Using AI Code Generation

1const { isTextContentType } = require('playwright/lib/utils/utils');2const contentType = "application/json";3const isText = isTextContentType(contentType);4console.log(isText);5const { isTextContentType } = require('playwright/lib/utils/utils');6const contentType = "application/json";7const isText = isTextContentType(contentType);8console.log(isText);

StackOverFlow community discussions

Questions

Discussion

How to run a list of test suites in a single file concurrently in jest?

firefox browser does not start in playwright

Running Playwright in Azure Function

Jest + Playwright - Test callbacks of event-based DOM library

Is it possible to get the selector from a locator object in playwright?

firefox browser does not start in playwright

Assuming you are not running test with the --runinband flag, the simple answer is yes but it depends ????

There is a pretty comprehensive GitHub issue jest#6957 that explains certain cases of when tests are run concurrently or in parallel. But it seems to depend on a lot of edge cases where jest tries its best to determine the fastest way to run the tests given the circumstances.

To my knowledge there is no way to force jest to run in parallel.

Aside

Have you considered using playwright instead of puppeteer with jest? Playwright has their own internally built testing library called @playwright/test that is used in place of jest with a similar API. This library allows for explicitly defining test groups in a single file to run in parallel (i.e. test.describe.parallel) or serially (i.e. test.describe.serial). Or even to run all tests in parallel via a config option.

// parallel
test.describe.parallel('group', () => {
  test('runs in parallel 1', async ({ page }) => {});
  test('runs in parallel 2', async ({ page }) => {});
});

// serial
test.describe.serial('group', () => {
  test('runs first', async ({ page }) => {});
  test('runs second', async ({ page }) => {});
});

https://stackoverflow.com/questions/73497773/how-to-run-a-list-of-test-suites-in-a-single-file-concurrently-in-jest

I found the error. It was because of some missing libraries need. I discovered this when I downgraded playwright to version 1.9 and ran the the code then this was the error msg:

(node:12876) UnhandledPromiseRejectionWarning: browserType.launch: Host system is missing dependencies!

Some of the Universal C Runtime files cannot be found on the system. You can fix
that by installing Microsoft Visual C++ Redistributable for Visual Studio from:
https://support.microsoft.com/en-us/help/2977003/the-latest-supported-visual-c-downloads

Full list of missing libraries:
    vcruntime140.dll
    msvcp140.dll
Error
    at Object.captureStackTrace (D:\Projects\snkrs-play\node_modules\playwright\lib\utils\stackTrace.js:48:19)
    at Connection.sendMessageToServer (D:\Projects\snkrs-play\node_modules\playwright\lib\client\connection.js:69:48)
    at Proxy.<anonymous> (D:\Projects\snkrs-play\node_modules\playwright\lib\client\channelOwner.js:64:61)
    at D:\Projects\snkrs-play\node_modules\playwright\lib\client\browserType.js:64:67
    at BrowserType._wrapApiCall (D:\Projects\snkrs-play\node_modules\playwright\lib\client\channelOwner.js:77:34)
    at BrowserType.launch (D:\Projects\snkrs-play\node_modules\playwright\lib\client\browserType.js:55:21)
    at D:\Projects\snkrs-play\index.js:4:35
    at Object.<anonymous> (D:\Projects\snkrs-play\index.js:7:3)
    at Module._compile (internal/modules/cjs/loader.js:1063:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)
(Use `node --trace-warnings ...` to show where the warning was created)
(node:12876) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag `--unhandled-rejections=strict` (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 1)
(node:12876) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

A list of missing libraries was provided. After successful installments, firefox ran fine. I upgraded again to version 1.10 and firefox still works.

https://stackoverflow.com/questions/66984974/firefox-browser-does-not-start-in-playwright

This question is quite close to a "need more focus" question. But let's try to give it some focus:

Does Playwright has access to the cPicker object on the page? Does it has access to the window object?

Yes, you can access both cPicker and the window object inside an evaluate call.

Should I trigger the events from the HTML file itself, and in the callbacks, print in the DOM the result, in some dummy-element, and then infer from that dummy element text that the callbacks fired?

Exactly, or you can assign values to a javascript variable:

const cPicker = new ColorPicker({
  onClickOutside(e){
  },
  onInput(color){
    window['color'] = color;
  },
  onChange(color){
    window['result'] = color;
  }
})

And then

it('Should call all callbacks with correct arguments', async() => {
    await page.goto(`http://localhost:5000/tests/visual/basic.html`, {waitUntil:'load'})

    // Wait until the next frame
    await page.evaluate(() => new Promise(requestAnimationFrame))

    // Act
   
    // Assert
    const result = await page.evaluate(() => window['color']);
    // Check the value
})

https://stackoverflow.com/questions/65477895/jest-playwright-test-callbacks-of-event-based-dom-library

Well this is one way, but not sure if it will work for all possible locators!.

// Get a selector from a playwright locator
import { Locator } from "@playwright/test";
export function extractSelector(locator: Locator) {
    const selector = locator.toString();
    const parts = selector.split("@");
    if (parts.length !== 2) { throw Error("extractSelector: susupect that this is not a locator"); }
    if (parts[0] !== "Locator") { throw Error("extractSelector: did not find locator"); }
    return parts[1];
}

https://stackoverflow.com/questions/72044959/is-it-possible-to-get-the-selector-from-a-locator-object-in-playwright

I found the error. It was because of some missing libraries need. I discovered this when I downgraded playwright to version 1.9 and ran the the code then this was the error msg:

(node:12876) UnhandledPromiseRejectionWarning: browserType.launch: Host system is missing dependencies!

Some of the Universal C Runtime files cannot be found on the system. You can fix
that by installing Microsoft Visual C++ Redistributable for Visual Studio from:
https://support.microsoft.com/en-us/help/2977003/the-latest-supported-visual-c-downloads

Full list of missing libraries:
    vcruntime140.dll
    msvcp140.dll
Error
    at Object.captureStackTrace (D:\Projects\snkrs-play\node_modules\playwright\lib\utils\stackTrace.js:48:19)
    at Connection.sendMessageToServer (D:\Projects\snkrs-play\node_modules\playwright\lib\client\connection.js:69:48)
    at Proxy.<anonymous> (D:\Projects\snkrs-play\node_modules\playwright\lib\client\channelOwner.js:64:61)
    at D:\Projects\snkrs-play\node_modules\playwright\lib\client\browserType.js:64:67
    at BrowserType._wrapApiCall (D:\Projects\snkrs-play\node_modules\playwright\lib\client\channelOwner.js:77:34)
    at BrowserType.launch (D:\Projects\snkrs-play\node_modules\playwright\lib\client\browserType.js:55:21)
    at D:\Projects\snkrs-play\index.js:4:35
    at Object.<anonymous> (D:\Projects\snkrs-play\index.js:7:3)
    at Module._compile (internal/modules/cjs/loader.js:1063:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)
(Use `node --trace-warnings ...` to show where the warning was created)
(node:12876) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag `--unhandled-rejections=strict` (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 1)
(node:12876) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

A list of missing libraries was provided. After successful installments, firefox ran fine. I upgraded again to version 1.10 and firefox still works.

https://stackoverflow.com/questions/66984974/firefox-browser-does-not-start-in-playwright

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