Write and run browser-free UI unit tests for Vaadin 25 server-side views.
npx skills add https://github.com/vaadin/claude-plugin --skill ui-unit-testing
Please help me install this Agent Skill. Skill: ui-unit-testing Source: https://github.com/vaadin/claude-plugin/tree/main/skills/ui-unit-testing Command: npx skills add https://github.com/vaadin/claude-plugin --skill ui-unit-testing
Server-side Vaadin views are often slow and flaky to test when using browsers or full end-to-end stacks. This Skill enables fast, deterministic, browser-free unit tests that exercise view logic, navigation, and component interactions inside the JVM to make CI feedback rapid and reliable.
Write a UI unit test that navigates to HelloWorldView, sets the name field to Marcus, clicks the hello button, and asserts the notification text.
High-intent search queries and answers about installing and using this skill.
Browser-free UI unit tests for Vaadin views run inside the JVM without a real browser, using UIUnitTest base classes to execute component interactions and navigation checks in milliseconds.
Yes, you can test Spring bean injection and navigation in Vaadin views by using optional Spring-aware test bases to validate bean injection scenarios and navigate to route-backed views with parameters.
You simulate user actions in Vaadin tests by using typed component testers and querying components with $() to interact with forms, click buttons, and assert visible behavior like notification text.
No, you do not need a servlet container or real browser to run Vaadin UI tests in CI, because the tests execute deterministically inside the JVM using the Vaadin testbench unit dependency.
The best way to speed up flaky Vaadin view testing is replacing browser-based end-to-end stacks with browser-free JVM unit tests that exercise view logic and component interactions deterministically.
Yes, you can assert grid interactions and dialog content in Vaadin unit tests by using component testers to simulate user actions and querying the visible behavior of components inside the JVM.
marcushellbergWrite browser-free UI unit tests for Vaadin 25 views with UIUnitTest.
ThalesGroupExecute targeted AGILAB tests across unit, smoke, and regression suites.
marcushellbergBind Vaadin 25 Grid and ComboBox to large datasets with server-side filtering, sorting, and paging.
vaadinAutomate end-to-end browser testing of Vaadin 25 applications with TestBench.
