> Markdown version of [/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs?t=2643](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs?t=2643). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS

Tired of configuring timeouts and manual waits? Discover how Cypress simplifies React end-to-end testing with intuitive chainable commands and visual time-travel debugging.

- **Speakers:** Anna Mcdougall
- **Event:** JavaScript Congress
- **Published:** November 23, 2021
- **Duration:** 53:45
- **URL:** https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs

## Summary

Transitioning into software engineering requires grasping not just how to build applications, but how to ensure they work fluidly from the user's perspective. End-to-end testing simulates real user behaviors, such as logging into an application or filling out a dynamic form, without getting bogged down in internal backend logic or helper functions. Utilizing the Cypress framework within a ReactJS environment offers an accessible entry point to create resilient, visual testing suites. By scripting tests for an interactive application, the core mechanics of manipulating the DOM and verifying graphical states become clear, keeping the focus entirely on the broader user experience rather than granular implementation details.

Structuring tests effectively relies heavily on the arrange-act-assert methodology. Developers arrange the application state by loading a URL or clearing session storage, act by capturing DOM elements via CSS selectors to simulate typing or clicking, and finally assert the expected outcomes. Cypress simplifies this pipeline by providing intuitive, chainable commands that read almost like plain English. Notably, the framework handles asynchronous execution and automatic waiting internally, eliminating the frustrating timeout configurations and manual waits that are common in other testing libraries.

While exhaustive end-to-end suites can be notoriously expensive and time-consuming to maintain, concentrating testing efforts on overarching happy paths instead of micro-interactions isolates critical functionality. It is vital to remember that tests will inherently pass until an operation forces them to fail, demanding robust and precise assertions to confirm the application genuinely operates as designed. Ultimately, the built-in graphical interface and unique time-travel debugging capabilities of Cypress grant developers the immense advantage of visually rewinding through a test's lifecycle, providing immediate state context on exactly where and why an interface disrupted the assumed workflow.

**Keywords:** end-to-end testing, cypress testing framework, reactjs frontend testing, arrange-act-assert methodology, ui time-travel debugging, automatic waiting resolution, css dom selectors, happy path simulating, session storage refreshing, unit testing comparison, frontend assertion logic, cross-browser ui verification, test-driven development, asynchronous component loading, user experience validation

## Chapters

1. **Introduction and transitioning into the tech industry** (00:03) — Background on the presenter and introducing the goal of teaching Cypress basics to beginners.
1. **Understanding the purpose of end to end testing** (03:02) — Examining how full user paths validate the entire application experience as opposed to mocking unit functions.
1. **Advantages of using Cypress for testing workflows** (04:48) — Key features like time travel, automatic waiting, and cross-browser support make creating tests smoother.
1. **Installing Cypress and initializing the test environment** (07:34) — Adding the framework to an npm project and launching the interactive graphical user interface.
1. **Exploring the target application for front end tests** (09:20) — Reviewing the Mad Libs input form and login flow that will act as the testing target.
1. **Determining which user journeys to test with Cypress** (10:42) — Analyzing the trade-off between testing every individual interaction versus prioritizing essential user flows.
1. **Structuring front end tests with arrange act and assert** (12:12) — Configuring page state, triggering user behaviors, and validating outcomes builds reliable component tests.
1. **Organizing tests using describe and it blocks** (13:43) — Creating test suites and resetting environments using specific hook functions to isolate scenarios.
1. **Visiting a webpage and opening the cypress interface** (16:09) — Executing the visit command and discovering how simulated browsers process test steps live.
1. **The danger of passing tests without explicit assertions** (18:21) — Untested script actions display as passing unless specific expected behaviors and outcomes are continuously evaluated.
1. **Simulating user typing and clicking with Cypress commands** (20:55) — Selecting unique input fields and stringing together actions to replicate full usage flows.
1. **Validating element attributes and structures with Cypress assertions** (24:05) — Checking header visibilities, reading internal elements, and explicitly confirming the length of rendered arrays.
1. **Deciding between comprehensive full flows and incremental steps** (27:49) — Discussing test scope philosophy and how larger bundled interactions optimize testing pipeline efficiency.
1. **Gathering mock submission inputs for a dynamic test** (29:45) — Collecting crowdsourced array parameters to inject as payload variations into the testing simulation run.
1. **Running automated background operations before typing mapped values** (34:17) — Setting up context using wrapper methods and populating repetitive inputs using explicitly matched identifiers.
1. **Verifying conditional unblocking mechanisms inside reactive input forms** (38:56) — Affirming that interface submit buttons successfully enable once bound constraints are appropriately populated.
1. **Executing explicit content checks on procedurally generated views** (41:09) — Ensuring that dynamically constructed output strings match formatted injection variables extracted earlier.
1. **Session summary and brief recap of learned testing concepts** (42:30) — A swift reiteration summarizing syntax models and available architectural tooling referenced earlier.
1. **Intercepting backend responses natively using Cypress network methods** (44:03) — Responding to audience questions regarding stubbing external requests and bypassing actual API connections during UI testing.
1. **Organizing code bases for scalability across testing suites** (45:27) — Reviewing patterns for isolating repetitive functionality and building maintainable enterprise layout conventions.
1. **Balancing arrange act and assert bounds across complex tests** (49:00) — Maintaining reasonably scoped actions per logic path minimizing code scroll bloat.
1. **Refactoring unstable html selectors toward human readable properties** (50:47) — Replacing rigid structure locators with a semantic plugin approach ensuring readable test intentions.

## Related Moments

- [Introduction to end-to-end testing with Cypress](https://www.wearedevelopers.com/videos/878-testing-web3-applications) (from "Testing web3 applications")
- [Analyzing test automation challenges and the Cypress timeline](https://www.wearedevelopers.com/videos/834-fighting-test-flakiness-with-time-machines) (from "Fighting test flakiness with time machines")
- [Keeping up with Web3 testing tools](https://www.wearedevelopers.com/videos/878-testing-web3-applications) (from "Testing web3 applications")
- [Choosing between Puppeteer and Cypress for browser tasks](https://www.wearedevelopers.com/videos/322-automate-everything-via-nodejs-and-puppeteer) (from "Automate everything via NodeJS and Puppeteer")
- [Exploring the expansion of end-to-end testing utility suites](https://www.wearedevelopers.com/videos/1678-the-2025-state-of-javascript-testing) (from "The 2025 State of JavaScript Testing")
- [Cypress internal architecture and test execution constraints](https://www.wearedevelopers.com/videos/790-advanced-cypress-custom-assertions-and-tasks) (from "Advanced Cypress: custom assertions and tasks")

## Related Articles

- [Dev Digest 133 - Back to Front](https://www.wearedevelopers.com/magazine/474-dev-digest-133-back-to-front)
- [Dev Digest 139 - Soft and hard queries](https://www.wearedevelopers.com/magazine/487-dev-digest-139-soft-and-hard-queries)
- [Integration And E2E Testing: Are They Complementary or Interchangeable?](https://www.wearedevelopers.com/magazine/86-integration-and-e2e-testing-are-they-complementary-or-interchangeable)
- [Dev Digest 106 - DHH in HD](https://www.wearedevelopers.com/magazine/394-dev-digest-106-dhh-in-hd)

## Related Jobs

- [Staff Frontend Engineer](https://www.wearedevelopers.com/jobs/48313-staff-frontend-engineer) at **SMG Swiss Marketplace Group**
- [Junior Frontend Engineer](https://www.wearedevelopers.com/jobs/ext/1532351-junior-frontend-engineer) at **Almedia**
- [Software Engineer](https://www.wearedevelopers.com/jobs/ext/1304673-software-engineer) at **Bitpanda**
- [Staff Frontend Engineer (Expert+/Lead equivalent) - Hybrid working model, 100%, Ho Chi Minh City](https://www.wearedevelopers.com/jobs/48314-staff-frontend-engineer-expert-lead-equivalent-hybrid-working-model-100-ho-chi-minh-city) at **SMG Swiss Marketplace Group**
- [Software Engineer Frontend (all genders welcome) in the field of Water Line Integrity Solutions](https://www.wearedevelopers.com/jobs/ext/127888-software-engineer-frontend-all-genders-welcome-in-the-field-of-water-line-integrity-solutions) at **Rosenxt Group**
- [Software Engineer, React & Angular (Broker Web Platform](https://www.wearedevelopers.com/jobs/ext/1558399-software-engineer-react-angular-broker-web-platform) at **Bitpanda**