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How to throw DML exception manually in unit test?
For Example consider testAccount is a Account object in your test data. Now Below code will raise DML exception: A DML Exception will be thrown and catch block would be covered. So you need to modify your test data accordingly. The easiest way to intentionally throw DML exception is insert record without setting required field.
How to test exceptions ( query and DML )?
In second try-catch unless you are checking something and preventing the deletion its hard to generate error there so you can write some code in Test.isRunningTest () block to generate custom exception. May not be the perfect solution but will work.
How to catch DML exception in apex trigger?
I am trying to catch any error and log to a custom table. The below will cause Duplicate error in UI but nothing is inserted into custome object USD_Error_Log__c.. Its like trigger does not fall into either DMLException or Exception catch blocks. Any and all help is appreciated. Please try dataBase.insert or update like below code.
Can you raise a custom exception in Salesforce?
Raise a custom exception and handle it separately. You might need to catch multiple exceptions at once which is not implemented in Salesforce right now, so you need a workaround for that. If you just need to trigger a non-specific DmlException go with Mukesh’s answer.
How to enclose mixed DML operations in test methods?
This example shows how to enclose mixed DML operations within System.runAs blocks to avoid the mixed DML error. The System.runAs block runs in the current user’s context. It creates a test user with a role and a test account, which is a mixed DML operation. Mixed DML operations within a single transaction aren’t allowed.
Can you do DML on a setup sobject?
Mixed DML operations within a single transaction aren’t allowed. You can’t perform DML on a setup sObject and another sObject in the same transaction. However, you can perform one type of DML as part of an asynchronous job and the others in other asynchronous jobs or in the original transaction.
How to write a good advanced test class?
Preface: this post is part of the Write Your First Advanced Trigger series. For this trigger, we’re going to write a test class that any developer would be proud of! The more you code you write, the more you’ll understand why good test classes are so important! Make sure to always follow the Principles of a Good Test Class.