effector-tests-en.ts

test('stuff', async () => {
  // create new forked scope, which is completly independent
  const scope = fork({ 
    // apply modifications like initial store values in this scope
    values: new Map()
                 .set($myStore, "value"), // changed value in $myStore specifically for this scope
    handlers: new Map()
                   .set(myFx, mockHandler) // changed effect handler to mock one for this scope
  });
 
   // launching event or effect, which triggers the logic we want to test
   // we doing it just in our forked scope
  await allSettled(startEvent, {
   scope,
   params: // params of startEvent
  })
 
  // check states of stores in this scope after all calculations ended
  expect(scope.getState($myStore)).toEqual(...)
})