import * as sinon from "sinon";
const spy = sinon.spy();
const object = {
  name: "Apple Pie"
};
const differentObject = {
  name: "Cherry Pie"
};

// Has not been called yet, so the error message is a bit short :)
sinon.assert.alwaysCalledOn(spy, object);
// => Uncaught: Error [AssertError]: expected spy to be called with { name: 'Apple Pie' } as this but was called with

spy.call(object);

// Generates no error
sinon.assert.alwaysCalledOn(spy, object);

spy.call(differentObject);

sinon.assert.alwaysCalledOn(spy, object);
// => Uncaught: Error [AssertError]: expected spy to always be called with { name: 'Apple Pie' } as this but was called with { name: 'Apple Pie' }, { name: 'Cherry Pie' }