I have an npm monorepo which contains web apps (React 18), mobile apps (React-Native 0.71/React 18) and shared libraries. I am also using npm override ...

I'm trying to do unit tests using react-test-renderer and I can't seem to make the test pass even though the underlying component I'm testing works. C ...

I've been able to test ts files but as soon as I attempt to write a test for tsx files I get the error: const rendered = (0, _reactTestRenderer.creat ...

When I try to simulate a click I am getting the error in the subject line. My whole test file: The error points specifically to the getById: Type ...

I've recently started using the Jest snapshot library in order to get familiar with front end testing. An issue I've come across are its error message ...

I have a toMatchSnapshot test on a simple component with React Native 0.68.2/jest 29.0. Here is the component SysError: Here is the SysError.test.j ...

I would like to know why my last test is failed -> it("cron input should have a passed Value in properties". I tried to test my react component wit ...

I feel like I am missing something when it comes to testing React components with async fetch operations. I have a following component like this... ...

Seeing some weird things within the component that I am currently working on. So, I am having a server side paginated table, On every API call I am pu ...

I have this component: I have this test suite: The first 3 tests pass normally but the last one fails on expect(h2).toEqual('light'); I am conf ...

I am trying to write a unit test for a custom react component that use the Dialog from @fluentui/react-northstar when I try to render the component fr ...

I'm using React-18.0.0 in my project and in the test file I'm getting an error something below createRoot(...): Target container is not a DOM elem ...

I have used React Number Format package here and I want to test its onChange event but I'm getting an error, can someone please help me with this. I h ...

I tried in this way The error is Property "onclick does not exist on type string" and it is hsowing value of index when tested. How to test this? ...

I have a React component like this: How is it possible to create a react-test jest test, to check for a given data, what component is returned? I ...

useEffect usually use Promises for update state. This updates cause long warning in jest: Warning: An update to null inside a test was not wrapped in ...

My test passes but has a console refrenceError: You are trying to access a property or method of the Jest environment after it has been torn down. T ...

I have a Select Box and set the data in a state by the onChange event. Please have a look at the below code. Anyone can help me to write cases for thi ...

I am trying to get to 100% coverage for my tests in one of them it highlights the onClick function which sets the state for a component: this is the c ...

In .tsx, this works as expected: But the supposed equivalent in .ts does not work: The error message when trying to render SuspenseComponentTS i ...