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tomspouse Test case for the following trigger.
Hi,
How do i write a test case for the following trigger to cover 100% code coverage?
The one i have covers only 10%, am not sure which part of the code is not covered.
trigger AddInterview on Candidate_Requirement__c (after insert, after update) {
for (Candidate_Requirement__c newInterview: Trigger.New) {
if (newInterview.Status__c == 'Interview Stage' && newInterview.Candidates__c !=null && newInterview.Requirement__c != null) {
String candR = newInterview.Id;
List<Interview__c> intv = [select id,Candidates_submitted__c from Interview__c where Candidates_submitted__c = :candR ];
if(intv.size() == 0){
String reqId = newInterview.Requirement__c;
List <Requirement__c> reqList = [select id, Contact__c from Requirement__c where id = :reqId ];
String candId =newInterview.Candidates__c;
List <Candidates__c> candList = [select id, Name from Candidates__c where id = :candId ];
String contId = reqList[0].Contact__c;
List <Contact> contList = [select id, MAILINGSTREET,MAILINGCITY,MAILINGSTATE,MAILINGPOSTALCODE,MAILINGCOUNTRY from Contact where id = :contId ];
String mAddress= '';
if(!contList.isEmpty()){
mAddress = contList[0].MAILINGSTREET +' '+ contList[0].MAILINGCITY+', '+ contList[0].MAILINGSTATE+' '+contList[0].MAILINGPOSTALCODE+' '+contList[0].MAILINGCOUNTRY;
}
if (!reqList.isEmpty() && !candList.isEmpty()){
Requirement__c req = reqList[0];
Candidates__c cand = candList[0];
Contact cont = contList[0];
Interview__c interviews = new Interview__c(
Name = cand.Name,
Candidates_submitted__c = newInterview.Id,
Client_Names__c = cont.Id,
Address_of_Interview__c = mAddress,
Candidate_Names__c = cand.Id,
Requirement_Names__c = req.Id);
insert interviews;
}
}
}
}
}
Test case:
@isTest
private class UpdateInterviewTest {
static testMethod void testUpdateInterview() {
//Insert contact record
Contact con = new Contact(
Lastname = 'test contact',
MAILINGSTREET = 'street',
MAILINGCITY = 'city',
MAILINGSTATE = 'state',
MAILINGPOSTALCODE = 'code',
MAILINGCOUNTRY = 'country');
insert con;
con = [Select Id,Lastname, MAILINGSTREET,MAILINGCITY,MAILINGSTATE,MAILINGPOSTALCODE,MAILINGCOUNTRY from Contact where id = :con.Id];
//Insert Requiremnt Record
Requirement__c req = new Requirement__c(
Contact__c = con.Id,
Name = 'test req');
insert req;
req = [Select Id, Name,Contact__c from Requirement__c where Id = :req.Id];
//Insert Candidates record
Candidates__c cand = new Candidates__c (
Name = 'test name',
Candidate_Source__c = 'test picklist');
insert cand;
cand = [Select Id, Name,Candidate_Source__c from Candidates__c where Id = :cand.Id];
//Insert Candidate submitted to requiremnt record whose status is not Interview Stage
Candidate_Requirement__c cr = new Candidate_Requirement__c(
Status__c = 'Offer Made',
Candidates__c = cand.Id,
Requirement__c = req.Id);
insert cr;
cr = [Select Id,Status__c,Candidates__c,Requirement__c from Candidate_Requirement__c where Id = :cr.Id];
Interview__c[] intv = [select Id ,Candidates_submitted__c from Interview__c where Candidates_submitted__c= :cr.Id];
if(intv.size() > 0)
System.assertEquals(intv[0].Candidates_submitted__c, cr.Id);
}
}
@isTest
private class UpdateInterviewTest {
static testMethod void testUpdateInterview() {
//Insert contact record
Contact con = new Contact(
Lastname = 'test contact',
MAILINGSTREET = 'street',
MAILINGCITY = 'city',
MAILINGSTATE = 'state',
MAILINGPOSTALCODE = 'code',
MAILINGCOUNTRY = 'country');
insert con;
con = [Select Id,Lastname, MAILINGSTREET,MAILINGCITY,MAILINGSTATE,MAILINGPOSTALCODE,MAILINGCOUNTRY from Contact where id = :con.Id];
//Insert Requiremnt Record
Requirement__c req = new Requirement__c(
Contact__c = con.Id,
Name = 'test req');
insert req;
req = [Select Id, Name,Contact__c from Requirement__c where Id = :req.Id];
//Insert Candidates record
Candidates__c cand = new Candidates__c (
Name = 'test name',
Candidate_Source__c = 'test picklist');
insert cand;
cand = [Select Id, Name,Candidate_Source__c from Candidates__c where Id = :cand.Id];
//Insert Candidate submitted to requiremnt record whose status is not Interview Stage
Candidate_Requirement__c cr = new Candidate_Requirement__c(
Status__c = 'Offer Made',
Candidates__c = cand.Id,
Requirement__c = req.Id);
insert cr;
cr = [Select Id,Status__c,Candidates__c,Requirement__c from Candidate_Requirement__c where Id = :cr.Id];
Interview__c[] intv = [select Id ,Candidates_submitted__c from Interview__c where Candidates_submitted__c= :cr.Id];
if(intv.size() > 0)
System.assertEquals(intv[0].Candidates_submitted__c, cr.Id);
}
}
private class UpdateInterviewTest {
static testMethod void testUpdateInterview() {
//Insert contact record
Contact con = new Contact(
Lastname = 'test contact',
MAILINGSTREET = 'street',
MAILINGCITY = 'city',
MAILINGSTATE = 'state',
MAILINGPOSTALCODE = 'code',
MAILINGCOUNTRY = 'country');
insert con;
con = [Select Id,Lastname, MAILINGSTREET,MAILINGCITY,MAILINGSTATE,MAILINGPOSTALCODE,MAILINGCOUNTRY from Contact where id = :con.Id];
//Insert Requiremnt Record
Requirement__c req = new Requirement__c(
Contact__c = con.Id,
Name = 'test req');
insert req;
req = [Select Id, Name,Contact__c from Requirement__c where Id = :req.Id];
//Insert Candidates record
Candidates__c cand = new Candidates__c (
Name = 'test name',
Candidate_Source__c = 'test picklist');
insert cand;
cand = [Select Id, Name,Candidate_Source__c from Candidates__c where Id = :cand.Id];
//Insert Candidate submitted to requiremnt record whose status is not Interview Stage
Candidate_Requirement__c cr = new Candidate_Requirement__c(
Status__c = 'Offer Made',
Candidates__c = cand.Id,
Requirement__c = req.Id);
insert cr;
cr = [Select Id,Status__c,Candidates__c,Requirement__c from Candidate_Requirement__c where Id = :cr.Id];
Interview__c[] intv = [select Id ,Candidates_submitted__c from Interview__c where Candidates_submitted__c= :cr.Id];
if(intv.size() > 0)
System.assertEquals(intv[0].Candidates_submitted__c, cr.Id);
}
}
Before you worry about your test code, worry about the fact that your code doesn't handle "bulk" processing. Try this link here:
http://wiki.developerforce.com/index.php/Best_Practice:_Bulkify_Your_Code
In particular, note that you have queries inside a loop, which is definitely a poor practice in coding.
However, as far as testing is concerned, you need more than one test. Each test in a test class needs to test one particular branch of the trigger. For example, you would test the following conditions:
* If intv size is zero.
* If intv size is not zero.
* If contList is empty.
* If contList is not empty.
* If reqList is empty.
* If reqList is not empty.
* If candList is empty.
* If candList is not empty.
You need to test not just a single permutation, but you should write one test for each particular scenario.
The alternative would be to insert a bunch of records, each record producing a particular scenario, with the sum effect of covering 100% of the trigger code.
Your code appears to be 100% coverable, but it's going to take a decent sized test to get there.
Again, I should stress that you should first bulkify your code before you even try to shoe-horn this into production, because if you don't, you'll probably forget to do it later, and some administrator months down the road will be trying to import a file, and it won't work because your trigger keeps choking on a list of more than 33 Candidate_Requirement__c records.