Change input after initial render

Hi!

What’s the correct way to change input after initial render ? Because componentProperties only set input on the first render, but we cannot test subsequent input changes this way (which leads to subsequent calls to ngOnChanges).

For now, this works :

component.fixture.componentInstance.myInput = 'stuff';
component.detectChanges();

But accessing fixture is not recommended (https://testing-library.com/docs/angular-testing-library/api#fixture, and I agree with this), and since I do not consider testing dynamic input change is testing an implementation detail, I believe there’s should be another way, right ?

Edit: Maybe something like this :

// component is a RenderResult here
component.setComponentInputs({
   myInput: 'value'
});
// And call detectChanges / ngOnChanges automatically

Also, thanks for this library it’s really usefull !

[timdeschryver]

rerender is taken from the other testing libraries, to keep the API consistent.

We’ll first do that, and see what we can do about ngOnChanges afterwards.

[timdeschryver]

🎉 This issue has been resolved in version 9.4.0 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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