How to write test class for this trigger?
7197
How to write a unit-test / test class for trigger?
125009
Writing test code for wrapper class
32065
Attempt to de-reference a null object: Trigger
110012
DmlException:SELF_REFERENCE_FROM_TRIGGER
148335
How to add one more condition in my trigger
117566
How to handle trigger recursion
115818
Lead assignment rule in a trigger
108354
How to test apex classes with Pagereference?
158487
Helper & Trigger Testing Assistance
43016
How do you mock a Sealed class?
33613
Why is this trigger finding a null value despite the field being populated?
56331
trigger on Question object gives below error during the deployment
150942
How to write test class for Schedulable class
139502
Getting error while writing a simple trigger
108085
Test class for Schedulable class
145899
DML Statement in ‘after trigger’ and not in ‘before trigger’?
52995
Apex : CANNOT_INSERT_UPDATE_ACTIVATE_ENTITY & SELF_REFERENCE_FROM_TRIGGER