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KB Kim Test class for a trigger
Can anyone help me to create a test class for this trigger?
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trigger Product on Opportunity (before update) {
list<opportunity> lt = trigger.new;
list<opportunityLineItem> opli = new list<opportunityLineItem>([select id ,product2.name, opportunityId from opportunitylineitem where opportunityId =: trigger.new[0].id]);
string productName='';
for(opportunityLineItem o : opli){
productName = o.product2.name;
}
for(Opportunity opp : trigger.new){
opp.product__c = productName;
}
}
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trigger Product on Opportunity (before update) {
list<opportunity> lt = trigger.new;
list<opportunityLineItem> opli = new list<opportunityLineItem>([select id ,product2.name, opportunityId from opportunitylineitem where opportunityId =: trigger.new[0].id]);
string productName='';
for(opportunityLineItem o : opli){
productName = o.product2.name;
}
for(Opportunity opp : trigger.new){
opp.product__c = productName;
}
}
1) http://amitsalesforce.blogspot.in/search/label/Test%20Class
2) http://amitsalesforce.blogspot.in/2015/06/best-practice-for-test-classes-sample.html
Please try below code. I hope that will help you
@isTest public class ProductTest { static testMethod void testMethod1() { Account a2 = new Account(Name ='icrm testing acc'); insert a2; opportunity oppr = new opportunity(Name='testing DIE 4/6/2015' , AccountId= a2.Id,StageName = 'Prospecting', CloseDate = myDate); insert oppr; Id pricebookId = Test.getStandardPricebookId(); //Create your product Product2 prod = new Product2( Name = 'Product X', ProductCode = 'Pro-X', isActive = true ); insert prod; PricebookEntry pbEntry = new PricebookEntry( Pricebook2Id = pricebookId, Product2Id = prod.Id, UnitPrice = 100.00, IsActive = true ); insert pbEntry; //create your opportunity line item. This assumes you already have an opportunity created, called opp OpportunityLineItem oli = new OpportunityLineItem( OpportunityId = oppr.Id, Quantity = 5, PricebookEntryId = pbEntry.Id, TotalPrice = quantity * pbEntry.UnitPrice ); insert oli; oppr.Name='Test Trigger'; update oppr; } }Please follow below salesforce Best Practice for Test Classes :-1. Test class must start with @isTest annotation if class class version is more than 25
2. Test environment support @testVisible , @testSetUp as well
3. Unit test is to test particular piece of code working properly or not .
4. Unit test method takes no argument ,commit no data to database ,send no email ,flagged with testMethod keyword .
5. To deploy to production at-least 75% code coverage is required
6. System.debug statement are not counted as a part of apex code limit.
7. Test method and test classes are not counted as a part of code limit
9. We should not focus on the percentage of code coverage ,we should make sure that every use case should covered including positive, negative,bulk and single record .
Single Action -To verify that the the single record produces the correct an expected result .
Bulk action -Any apex record trigger ,class or extension must be invoked for 1-200 records .
Positive behavior : Test every expected behavior occurs through every expected permutation , i,e user filled out every correctly data and not go past the limit .
Negative Testcase :-Not to add future date , Not to specify negative amount.
Restricted User :-Test whether a user with restricted access used in your code .10. Test class should be annotated with @isTest .
11 . @isTest annotation with test method is equivalent to testMethod keyword .
12. Test method should static and no void return type .
13. Test class and method default access is private ,no matter to add access specifier .
14. classes with @isTest annotation can't be a interface or enum .
15. Test method code can't be invoked by non test request .
16. Stating with salesforce API 28.0 test method can not reside inside non test classes .
17. @Testvisible annotation to make visible private methods inside test classes.
18. Test method can not be used to test web-service call out . Please use call out mock .
19. You can't send email from test method.
20.User, profile, organization, AsyncApexjob, Corntrigger, RecordType, ApexClass, ApexComponent ,ApexPage we can access without (seeAllData=true) .
21. SeeAllData=true will not work for API 23 version eailer .
22. Accessing static resource test records in test class e,g List<Account> accList=Test.loadData(Account,SobjectType,'ResourceName').
23. Create TestFactory class with @isTest annotation to exclude from organization code size limit .
24. @testSetup to create test records once in a method and use in every test method in the test class .
25. We can run unit test by using Salesforce Standard UI,Force.com IDE ,Console ,API.
26. Maximum number of test classes run per 24 hour of period is not grater of 500 or 10 multiplication of test classes of your organization.
27. As apex runs in system mode so the permission and record sharing are not taken into account . So we need to use system.runAs to enforce record sharing .
28. System.runAs will not enforce user permission or field level permission .
29. Every test to runAs count against the total number of DML issued in the process .
Please let us know if this post will help you
All Answers
2. Add @isTest at the top of your class (don't use @seeAllData = true) http://www.laceysnr.com/2012/04/seealldata-why-i-think-you-shouldnt-use.html
3. Add a test method
4. Enclose your method (as best practice) in a try-catch statement
5. Start your heavy operations with Test.startTest();
6. Assert your statements
7. (Optional and recommended) - Create a separate class (i.e. TestFactory) with all your data and object instantiations.
8. Run your test
Note: I won't provide the whole implementation, but you'll get the basic idea:
@isTest public class OpportunityTrgTest { public static testMethod void testOpportunityProductUpdate() { try { Test.startTest(); List<Product2> prods = TestFactory.getProducts(1); system.assertEquals(1, prods.size()); List<Opportunity> opps= TestFactory.getOpps(1); system.assertEquals(1, opps.size()); // More code here (if needed) // update opp Test.stopTest(); } catch(Exception ex) { system.debug(ex.getMessage() + ' ' + ex.getStackTraceString()); } } } // In a different file: public class TestFactory { public static List<Product2> getProducts(Integer numOfProducts) { // create a Product/Products instance and insert it } public static List<Opportunity> getOpportunities(Integer numOfOpps) { // create an Opp/Opps instance and insert it } }1) http://amitsalesforce.blogspot.in/search/label/Test%20Class
2) http://amitsalesforce.blogspot.in/2015/06/best-practice-for-test-classes-sample.html
Please try below code. I hope that will help you
@isTest public class ProductTest { static testMethod void testMethod1() { Account a2 = new Account(Name ='icrm testing acc'); insert a2; opportunity oppr = new opportunity(Name='testing DIE 4/6/2015' , AccountId= a2.Id,StageName = 'Prospecting', CloseDate = myDate); insert oppr; Id pricebookId = Test.getStandardPricebookId(); //Create your product Product2 prod = new Product2( Name = 'Product X', ProductCode = 'Pro-X', isActive = true ); insert prod; PricebookEntry pbEntry = new PricebookEntry( Pricebook2Id = pricebookId, Product2Id = prod.Id, UnitPrice = 100.00, IsActive = true ); insert pbEntry; //create your opportunity line item. This assumes you already have an opportunity created, called opp OpportunityLineItem oli = new OpportunityLineItem( OpportunityId = oppr.Id, Quantity = 5, PricebookEntryId = pbEntry.Id, TotalPrice = quantity * pbEntry.UnitPrice ); insert oli; oppr.Name='Test Trigger'; update oppr; } }Please follow below salesforce Best Practice for Test Classes :-1. Test class must start with @isTest annotation if class class version is more than 25
2. Test environment support @testVisible , @testSetUp as well
3. Unit test is to test particular piece of code working properly or not .
4. Unit test method takes no argument ,commit no data to database ,send no email ,flagged with testMethod keyword .
5. To deploy to production at-least 75% code coverage is required
6. System.debug statement are not counted as a part of apex code limit.
7. Test method and test classes are not counted as a part of code limit
9. We should not focus on the percentage of code coverage ,we should make sure that every use case should covered including positive, negative,bulk and single record .
Single Action -To verify that the the single record produces the correct an expected result .
Bulk action -Any apex record trigger ,class or extension must be invoked for 1-200 records .
Positive behavior : Test every expected behavior occurs through every expected permutation , i,e user filled out every correctly data and not go past the limit .
Negative Testcase :-Not to add future date , Not to specify negative amount.
Restricted User :-Test whether a user with restricted access used in your code .10. Test class should be annotated with @isTest .
11 . @isTest annotation with test method is equivalent to testMethod keyword .
12. Test method should static and no void return type .
13. Test class and method default access is private ,no matter to add access specifier .
14. classes with @isTest annotation can't be a interface or enum .
15. Test method code can't be invoked by non test request .
16. Stating with salesforce API 28.0 test method can not reside inside non test classes .
17. @Testvisible annotation to make visible private methods inside test classes.
18. Test method can not be used to test web-service call out . Please use call out mock .
19. You can't send email from test method.
20.User, profile, organization, AsyncApexjob, Corntrigger, RecordType, ApexClass, ApexComponent ,ApexPage we can access without (seeAllData=true) .
21. SeeAllData=true will not work for API 23 version eailer .
22. Accessing static resource test records in test class e,g List<Account> accList=Test.loadData(Account,SobjectType,'ResourceName').
23. Create TestFactory class with @isTest annotation to exclude from organization code size limit .
24. @testSetup to create test records once in a method and use in every test method in the test class .
25. We can run unit test by using Salesforce Standard UI,Force.com IDE ,Console ,API.
26. Maximum number of test classes run per 24 hour of period is not grater of 500 or 10 multiplication of test classes of your organization.
27. As apex runs in system mode so the permission and record sharing are not taken into account . So we need to use system.runAs to enforce record sharing .
28. System.runAs will not enforce user permission or field level permission .
29. Every test to runAs count against the total number of DML issued in the process .
Please let us know if this post will help you