TABLEAU QUICK TIPS
1. During development, always work on small sample datasets(less than 3000 records) containing all variations of the data which you can pick manually by rule of thumb.
2. Once development is complete, test the dashboard using the full range of data.
3. Unit test for the following :
a. Time taken to refresh dashboard with full dataset -- should be less than 10 seconds.
b. Unit test for all possible use cases/scenarios.
c. Unit test for all calculations
d. Test whether any data binding of sources provides the desired results needed by business.