How to test chrome extension API?

In a function changeExtensionTooltip I have a line of code like this:

chrome.browserAction.setTitle({title: text});

And I want to assert that method chrome.browserAction.setTitle has been called once and that it has received {title: 'WakaTime'}.

Can someone help with this? @Stephn-R

[stephnr]

Hey @mabasic, its very easy to do exactly that. Since Jest is a descendant of Jasmine, you can use the Spy tool to do this

spyOn(chrome.browserAction.setTitle);
// do some stuff
expect(chrome.browserAction.setTitle).toHaveBeenCalled();
// or
expect(chrome.browserAction.setTitle).toHaveBeenCalledWith({ title: text });

[mabasic]

Here is the test I wrote: https://github.com/wakatime/chrome-wakatime/blob/master/tests/helpers/changeExtensionTooltip.spec.js

And here is the helper which I want to test: https://github.com/wakatime/chrome-wakatime/blob/master/assets/js/helpers/changeExtensionTooltip.js