Cypress check if file exists I want the bot to wait until there are no files in a folder. For example if you are using cypress-skip-and-only-ui plugin and want to install your own task to read a file that might not exist: How do I wait until a folder has zero files in it? I see that you can check for file size, folder exists, folder NOT exist but those are not what I need. In this article, we’re going to explore a common scenario that you may encounter when doing e2e testing on your apps: fetching a data fixture from an API endpoint before your tests and using it to write your tests. Can someone suggest how you do it? // This is the Test when the checkbox is clicked and the el Oct 25, 2021 · It is possible to use Cypress to check the CSS values of elements on the page. e. It allows you to seamlessly read and validate data from various file formats, such as JSON, CSV, and text files, directly within your tests. should (‘not. xlsx" during test execution meanwhile before downloading also have to put a check over download folder if "someData. Cypress provides powerful and interactive commands like . You can also read my conditional testing examples. But if you must do something conditionally in Cypress depending on the page, here are few examples. In Cypress, you can verify whether the file is downloaded using two ways. get ()` command. js but it is not checking if the file exists. writeFile() should work for cypress. Jan 16, 2019 · I am using Cypress to test a data export page which takes several minutes to generate an export. The page does not dynamically update, so I'd need to get Cypress to reload the page until the status Aug 22, 2019 · Currently we can only use cy. yaml') Asserting file non Cypress is a testing framework for JavaScript. May 2, 2022 · We build a simple React application and use Cypress to test the file input and check whether the downloaded files are correct. In this article, we will look at how to test if an element exists or not. In this post, I’ll go over some basics on how to write an API test in Cypress. json configuration: { "supportFile": "cypress/support/index. Also in cypress. By default, cy. // will fail after the defaultCommandTimeout is reached cy. session() Existence Wait for some property to exist on window cy. I need to pause bot execution until there are no files Jan 17, 2022 · Cypress is a great testing tool that can be also very helpful when testing API. Oct 17, 2023 · Solution: Check the path to the support file specified in your Cypress configuration (cypress. If you're using Cypress v13. then() to access what you've aliased. 100 This question already has answers here: How to check for an element that may not exist using Cypress (11 answers) Nov 22, 2024 · In this code snippet, Cypress first ensures the existence of the button element using . The folder will always exist. Right now, if artifact does not exists, it will fail "download" task. Make sure that the file exists at the specified location. What is a Cypress fixture? In case you haven’t heard of fixtures Jul 7, 2022 · Then we are going to use the readFile function from cypress to open the file and if it exists, check the content: Sep 26, 2022 · How do you make a conditional test if an element exists in Cypress? Asked 2 years, 11 months ago Modified 11 months ago Viewed 958 times Cypress custom command to wait and verify that file has been downloaded - elaichenkov/cy-verify-downloads Oct 1, 2025 · Image Has Loaded To check if an image has successfully loaded, check its property naturalWidth. It will retry reading the file if it does not initially exist until the file exists or the command times out. session. These can be added as custom commands to /support in another . A single image Here is an image that successfully loads. get ('h1'). Mar 4, 2021 · I would like to check that a file is downloaded as part of my test. 13. By default, cy. Jan 5, 2025 · Files Examples of using files to represent data, read data or write data in Cypress, for a full reference of commands, go to docs. It would help if you shared that code and possibly an example on how to use it for you app. Cypress has a similar code (using ) to show how to "Read a file that might not exist". Rank 1 on Google for 'cypress if element exists'. I have no need to read the file and its contents. Aug 14, 2025 · Conditional testing Conditional testing is strongly discouraged in Cypress. Apr 5, 2022 · Element presence is one of the first things you should test with Cypress in your project. Feb 25, 2022 · Cypress: Check if Select Option Exists Asked 3 years, 9 months ago Modified 2 years, 11 months ago Viewed 4k times I want to be able to click on a check box and test that an element is no longer in the DOM in Cypress. If such a directory does not exist, Cypress creates it and saves the Mar 19, 2024 · Learn how to check if an element exists in Cypress, validate visibility on a web page, avoid flaky tests, and interact with dynamic web elements efficiently. May 9, 2024 · Select any of the methods to check if a file exists or not before proceeding with further manipulation and prevent potential errors in Bash. globalProp exists }) How to store variables in Cypress tests and use variables and aliases inside the test and between tests. May 27, 2025 · Check File Existence Verify that the file you're trying to read exists in the specified location on your system. Feb 19, 2020 · I love Cypress, it’s one of those tools that for me has just made e2e testing actually fun and engaging. For debugging purposes, all spec and global sessions can be cleared with the Cypress. could someone explain how to achieve this ? Learn how to use Cypress conditional `if element exists` to test for the presence of an element on the DOM. Jun 22, 2021 · 10 In cypress, the xlsx file I am downloading always starts with lets say "ABC" and then some dynamic IDs. But with out downloading can we intercept and find out whether the link is providing a valid download file or not ? A part of my test includes a table where user's can add or delete rows. g. click (). If the condition is met, indicating the button’s presence, Cypress clicks the button using cy. One of the first things you might want to test in your app with Cypress is element presence. Check File Permissions Ensure that the Cypress process has the necessary permissions to read the file. If it does not exist, I want create it and start writing to it. Easy conditional if-else logic for your Cypress tests. access() Regards. clearAllSavedSessions() method. This command will return a reference to the element, which you can then Jan 25, 2025 · Cypress allows you to read files from your local file system during a test. This is useful for testing user interfaces, as it allows you to ensure that the elements you expect to be present are actually there. Cypress, a popular end-to-end testing framework, provides an intuitive way to test file inputs. There are 14 other projects in the npm registry using cypress-if. Nov 2, 2023 · I want to write to a text file, but if it exists already, I'd like to clean it first. I searched a alot but I couldn't find any working answer. readfile() fails if file doesn't exist so cypress docs suggests using cy. By using conditional logic, you can handle optional modals, popups, or redirects without breaking your tests, making your automation more robust and reliable. Feb 14, 2020 · “Cypress: how to test Docx files” or “Verification of downloaded files by e2e test” Very often test case: download file from the page and verify that it’s downloaded and contains … Dec 12, 2017 · How to check for an element that may not exist using Cypress Asked 7 years, 11 months ago Modified 10 months ago Viewed 95k times Feb 13, 2022 · I'm facing a similar issue and I see that cy. all the answers are about cypress itself but when it comes to iframe the solutions are not working. With its powerful commands and Jan 17, 2022 · Is there any other ways to check if an element has text? cy. Cypress Test Automation Project - Complete Tutorial & Learning Guide (Gherkin + Cucumber + Mocha + Chai + E2E + BDD + POM + API + Database + Excel + CI/CD + Reporting + Testing) A comprehensive Cypress test automation framework that combines end-to-end UI testing, Behavior-Driven Development (BDD) with Cucumber/Gherkin, and enterprise integrations including SQL Server database connectivity Feb 8, 2018 · Even though we may not need to check for write access permissions to the project root - we still need write permissions to folders like cypress/videos or cypress/screenshots and the consensus was that these permissions would not be different than the projectRoot. should (‘exist’), . Here are some further examples of using . Aug 1, 2025 · While writing end-to-end tests with Cypress, one basic need is to check whether a specific element exists on the page before interacting with it. should (‘exist’). It can be used to check if an element exists without failing. JS file like this: Cypress automatically merges on('task') objects for you. json file check the path of plugins file and support file. fixture() command. exist’), and conditional checks to verify the presence or absence of elements in the DOM. How can I verify if the file is downloaded successfully and also contains that dynamic name? Learn how to do conditional testing in Cypress without relying on the DOM. Thus cypress-if should be used only if the test really cannot deterministically execute its steps. Start using cypress-if in your project by running `npm i cypress-if`. 6. as(). You must use other asynchronous commands such as . It then retrieves the element using . xlsx" exist in download folder delete it before downloading the newly updated file. To check if an element exists in Cypress, you can use the `cy. then((globalProp) => { // do something now that window. Latest version: 1. json file exists. How do you toggle the checkbox? Oct 31, 2024 · To follow along with the examples, ensure you have Cypress installed and set up. readFile() and cy. Use the verifyExistence method in your next Cypress project with LambdaTest Automation Testing Advisor. All Jul 23, 2025 · The readFile () method in Cypress is a powerful tool for incorporating external data into your test automation workflows. window() . Table example: Aware of Cypress Examples: Dynamic tests, however, provided examples addresses Apr 7, 2022 · How can I run this function, according to the value change of element with if-condition? Dec 9, 2020 · The issue will be resolved if you will provide the correct folder structure and run cypress run command where cypress. Sep 7, 2021 · The goal is to iterate over a table and create a test dynamically for each row to validate its status. Jul 23, 2025 · File uploads are a common feature in many web applications, allowing users to submit documents, images, and other types of files. env file exists in the root folder before running the test. When running Cypress in "open" mode, you can explicitly clear all spec and global sessions and re-run the spec file by clicking the "Clear All Sessions" button in the Instrument Panel. Nov 2, 2023 · Generally, cy. Test File Download in Cypress Learn how to test file downloads for your Cypress test running on BrowserStack. Example cypress. In this article I’d like to take a look into how test if element exists, is visible and discuss some gotchas that might occur during some of these tests. Among the questions related to the Assertions available in Cypress with Chai, Chai-jQuery, and Sinon-Chai assertions Dec 13, 2021 · I would like to check if there is a . Sometimes the checkbox is checked, sometimes not. Learn how to set up and run automated tests with code examples of verifyExistence method from our library. Toggle checkbox Let's say that you have a checkbox when the page loads. Reference Jun 15, 2022 · It's not quite clear the purpose of your custom command. readFile () to check the file downloaded to the download folder. 2, last published: 10 months ago. Write to a file with the specified contents in Cypress. Includes examples and best practices. Example if the button exists in the iframe i want to click. Get one or more DOM elements by selector or alias in Cypress. Oct 9, 2024 · Resolving dynamic downloaded file names in Cypress Context Have you faced a scenario when you are downloading files with dynamic names which you need to verify in Automation. readFile () asserts that the file exists and will fail if it does not exist. Learn how to use Cypress to check if an element exists with this detailed guide. This guide includes code examples and best practices to help you write effective Cypress tests. readFile('does-not-exist. Aug 1, 2025 · Conditional testing in Cypress enables you to create smarter, more flexible test scripts that adapt to dynamic UI elements, varied user flows, or environment-specific conditions. Default file existence assertion By default, cy. as() that illustrate the asynchronous behavior. readFile() asserts that the file exists and will fail if it does not exist. Testing these functionalities is crucial to ensure a smooth user experience and to verify that the application handles files correctly. . js" } 0 Basically I want to check if the element exists in the iframe. I cannot control if the table will be empty or not, so I need to have conditionals if to find out if the table is empty or no In general, Cypress team considers conditional testing an anti-pattern. Feb 17, 2021 · Did you know that with Cypress, it is possible to read the contents of a file? Today in " Pinches of Cypress ", learn how it works. then (), and the subsequent conditional check determines whether the button exists. its('globalProp') . I only need to confirm that the file is downloaded after clicking a button. /Downloads directory within the BrowserStack machine running your Cypress tests. Dec 28, 2018 · Hi, Is there a way to only check if a files exist without throwing an error ? Using the cy. fixture () To load a fixture, use the cy. Because of this you cannot synchronously access anything you have aliased. text','Enter your text') I have this code but i don't want the text to be exact what i want to check. Where to call cy. io cy. You can use Cypress readFile command, or another technique is using the verify down By default, cy. It is only set if the browser downloaded and displayed the image. Mar 13, 2019 · When i try to install cypress using this commnad: sudo npm install cypress or sudo npm install -g cypress It is giving me this error: Error: EACCES: permission denied, open '/Users/humac/node_m Resources to help you troubleshoot Cypress App issues and common steps to isolate and resolve problems. File Uploads in Cypress To upload files in Cypress, we’ll use the cypress-file-upload plugin, which provides an easy way to simulate file upload actions during your tests. In the course, the application under test is the open-source version of GitLab. if it's a literal false or the integer 0 and so on). Sep 30, 2024 · Learn how to test file downloads in Cypress, verify file integrity, and ensure successful automation with our detailed guide. 2, it’s compatible with the approaches shown in this post. To facilitate the explanation, I will use an example of the course of the automated tests with Cypress intermediate, from the TAT School. Mar 4, 2020 · Nice example to check if the PDF was downloaded; i. should ('have. cypress. If it's not, I think you're using cy. I am using cypress-iframe package for accessing elements in iframe. The downloaded file is available in the . In Cypress, you can download a file from a web app using the cypress-downloadfile NPM package. readFile() for the purpose that is outside of your cypress framework. Mar 8, 2022 · However I want to run publish tasks only and only if particular artifacts exists from build pipeline. as is asynchronous Remember that Cypress commands are async, including . Select a file or files in an HTML5 input element or simulate dragging a file or files into the browser in Cypress. thisSession["merchant_id"] will return false if the key does not exist, or if its value evaluates to false for any reason (e. This is useful when you want to verify the content of a file, such as checking data in a JSON or text file. json). task() to read a file that may not exist and I think we can use cy. task() so that if the file doesn't exist we create an empty file, this is the idea and I'll try implementing it and share code. wrap (button). readFile() function or using the fs. Check for any typos in the provided file path. I have added below function in the index. if the file exists. I made several attempts to clear the file in ca Jan 25, 2023 · 0 I have to download a excel file lets say "someData. tiamc uvv zid qlhzp gey toom hglpi xbqcwpdjs zpcxhxte grmv fbmvkr jyah qaif owav ynftrinj