Checking error condition in tesclass

Question

I want a test class like:

if system.runAs(user) {
    Test.startTest();

    delete new List<Sobject>(); // should give error.

    Test.stopTest();
}

How can I do this in my test class?

You need to use System.assert methods. developer.salesforce.com/docs/atlas.en-us.apexcode.meta/… — AlphaBravo, Jun 22 '16 at 17:29
How can i use that like List<Database.Saveresult> res= Database.delete(List, true);..what will go in System.asserts — David Mycka, Jun 22 '16 at 17:33

sfdcfox · Accepted Answer · 2016-06-22 17:39:28Z

5

I usually prefer to use the following pattern when you need an all-or-none test:

try {
    delete records;
    System.assert(false, "Expected DMLException");
} catch(DMLException e) {
    // Validate specific errors here
}

answered Jun 22 '16 at 17:39

sfdcfox

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Thanks Sfdcfox...so in expected DMLException what should we give..the full error which we are getting or something else
– David Mycka
Jun 22 '16 at 17:43
@DavidMycka See Exception Class and Built-in Exceptions in the developer's guide for usage of DMLException (it's near the bottom of the document). You can verify specific error texts, which field(s) are associated with the error, etc.
– sfdcfox
Jun 22 '16 at 17:46

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