To stub a class method with Sinon.js and JavaScript, we call the stub method.
For instance, we write
sinon.stub(YourClass.prototype, "myMethod").callsFake(() => {
return {};
});
to call stub with YourClass.prototype to stub the myMethod instance method on YourClass.
We call callFake with the mock function for the myMethod method.
Likewise, for static class methods, we write
sinon.stub(YourClass, "myStaticMethod").callsFake(() => {
return {};
});
to mock the YourClass.myStaticMethod static method with stub.
