What does the below line of code mean?
String ProcessStr =(!test.isRunningTest())? Customsetting__c.getInstance('Process').value__c:'0';
The documentation is quite clear on what this specific method does, and the name is essentially self documenting:
Returns true if the currently executing code was called by code contained in a test method, false otherwise. Use this method if you need to run different code depending on whether it was being called from a test.
As for ternary syntax (
?:), you can see that documented in the
Apex Developer Guide under
x ? y : z
Ternary operator (Right associative). This operator acts as a short-hand for if-then-else statements. If x, a Boolean, is true, y is the result. Otherwise z is the result. Note that x cannot be null.
So the translation of your code to plain English is essentially:
If this code is running in a live transaction (not a test), then get the value from a custom setting. Otherwise, use a value of