Test Class for Trigger RestrictContactByName

TestRestrictContactByName.cls

@@ -0,0 +1,93 @@
+@isTest
+	private class TestRestrictContactByName {
+
+    @isTest
+    static void TestPositive(){
+
+    Contact SingleTestPositiveContact= new Contact(FirstName='Lovely', LastName='InvalidName',Email='[email protected]'); 
+
+    //Action
+    Test.startTest();
+    Database.SaveResult result = Database.insert(SingleTestPositiveContact, false);
+    Test.stopTest();
+
+    //Assert
+
+       System.assert(!result.isSuccess());
+       System.assert(result.getErrors().size()>0);
+       System.assertEquals('The Last Name "'+SingleTestPositiveContact.LastName+'" is not allowed for DML' ,
+                           result.getErrors()[0].getMessage());
+       system.debug(result.getErrors()[0].getMessage());
+       }
+
+    @isTest
+    static void TestNegative(){
+
+     Contact SingleTestNegativeContact= new Contact(FirstName='Lovely', LastName='InvalidName1', Email='[email protected]');
+        //Action
+   		 Test.startTest();
+   		 Database.SaveResult result = Database.insert(SingleTestNegativeContact, false);
+    	 Test.stopTest();
+
+    //Assert
+
+       System.assert(result.isSuccess());
+       System.assert(result.getErrors().size()==0);                
+       system.debug('Successfully Inserted:'+result.getId());
+    }
+
+    @isTest
+    static void TestforBulk(){
+
+        List<Contact> TestContactList = new List<Contact>{
+
+     	new Contact(FirstName='Happy', LastName='InvalidName', Email='[email protected]'),
+        new Contact(FirstName='NotSoHappy', LastName='ValidName',Email='[email protected]'),
+        new Contact(Firstname='Fine', LastName='InvalidName1', Email='[email protected]'),
+        new Contact(Firstname='Fine', LastName='FineLastName', Email='[email protected]')};
+
+   	 //Action
+
+    	Test.startTest();
+    	Database.SaveResult[] result = Database.insert(TestContactList, false);
+    	        Test.stopTest();
+
+       // Iterate through each returned result
+		for (Database.SaveResult sr :result) {
+   		 if (sr.isSuccess()) {
+        // Operation was successful, so get the ID of the record that was processed
+        System.debug('Successfully inserted Contact. Contact ID: ' + sr.getId());
+   	 }
+    	else {
+        // Operation failed, so get all errors                
+        for(Database.Error err : sr.getErrors()) {
+            System.debug('The following error has occurred.');                    
+            System.debug(err.getStatusCode() + ': ' + err.getMessage());
+            System.debug('Contact fields that affected this error: ' + err.getFields());
+        }
+        }
+}
+
+    }
+
+     @isTest
+     static void TestforUpdateContact(){
+
+
+     Contact TestCon = new Contact(FirstName='Superb', Lastname='FineLastName', Email='[email protected]');
+     insert TestCon;
+     system.debug(TestCon.Id+':   '+TestCon.LastName);
+     TestCon.LastName='InvalidName';
+
+     //Action
+     Test.startTest();
+     Database.SaveResult result = Database.update(TestCon, false);
+     Test.stopTest();
+
+   	   System.assert(!result.isSuccess());
+       System.assert(result.getErrors().size()>0);
+       System.assertEquals('The Last Name "'+TestCon.LastName+'" is not allowed for DML' ,
+                           result.getErrors()[0].getMessage());
+       system.debug(result.getErrors()[0].getMessage());
+    }
+    }