How to write test Class for below apex class controller

Please Help me to write test class for below apex class controller

abc.apexclass

public class EmailInvoiceA {

@auraEnabled
public static void sendMailWithPDF(String recordId){

for(Invoice__c cc : [select Id,Distributor__r.E_mail__c,Distributor__r.CC_to_if_any__c,Distributor__r.Name from Invoice__c WHERE Id =: recordId]){
list<Messaging.SingleEmailMessage> mails = new List<Messaging.SingleEmailMessage>();
Messaging.SingleEmailMessage semail = new Messaging.SingleEmailMessage();
List<String> sendTo = new List<String>();//to string

Messaging.EmailFileAttachment attach = new Messaging.EmailFileAttachment();
PageReference pref = page.PdfEmailInvoice;
pref.getParameters().put('Id',recordId);
pref.setRedirect(true);
Blob b;
b = pref.getContent();
attach.setFileName('Invoice.pdf');
attach.setBody(b);
semail.setSubject('Invoice details');
semail.setReplyTo('noreply@gmail.com');
semail.setSenderDisplayName('salesforce User');

sendTo.add(cc.Distributor__r.E_mail__c);

List<String> send = new List<String>();//cc string
system.debug('sendlis'+send);
// if(cc.Distributor__r.CC_to_if_any__c != null)
// {
// send.add(cc.Distributor__r.CC_to_if_any__c);

// }

if(cc.Distributor__r.E_mail__c==null && cc.Distributor__r.CC_to_if_any__c != null)
{

send.add(cc.Distributor__r.CC_to_if_any__c);
//semail.setccAddresses(sendTo);
semail.setToAddresses(send);

}
else if(cc.Distributor__r.E_mail__c !=null && cc.Distributor__r.CC_to_if_any__c != null)
{
sendTo.add(cc.Distributor__r.E_mail__c);
send.add(cc.Distributor__r.CC_to_if_any__c);

semail.setccAddresses(send);
semail.setToAddresses(sendTo);

}
else if(cc.Distributor__r.E_mail__c !=null && cc.Distributor__r.CC_to_if_any__c == null)
{

sendTo.add(cc.Distributor__r.E_mail__c);

semail.setToAddresses(sendTo);
}


mails.add(semail);
String emailBody =' <html><body> Dear '+ cc.Distributor__r.Name+' , Please find the attached Invoice details. Regards, IT Team Sayaji Groups.</body></html>';
semail.setHtmlBody(emailBody);
semail.setFileAttachments(new Messaging.EmailFileAttachment[]{attach});
Messaging.sendEmail(new Messaging.SingleEmailMessage[]{semail});
}
}


@auraEnabled
public static void sendMailWith(String recordId,String mMail){

for(Invoice__c cc : [select Id,Distributor__r.E_mail__c,Distributor__r.CC_to_if_any__c,Distributor__r.Name from Invoice__c WHERE Id =: recordId]){
list<Messaging.SingleEmailMessage> mails = new List<Messaging.SingleEmailMessage>();
Messaging.SingleEmailMessage semail = new Messaging.SingleEmailMessage();
List<String> sendTo = new List<String>();
sendTo.add(mMail);
Messaging.EmailFileAttachment attach = new Messaging.EmailFileAttachment();
PageReference pref = page.PdfEmailInvoice;
pref.getParameters().put('Id',recordId);
pref.setRedirect(true);
Blob b;
b = pref.getContent();
attach.setFileName('Invoice.pdf');
attach.setBody(b);
semail.setSubject('Invoice details');
semail.setReplyTo('noreply@gmail.com');
semail.setSenderDisplayName('salesforce User');

//sendTo.add(cc.Distributor__r.E_mail__c);
List<String> send = new List<String>();
if(cc.Distributor__r.CC_to_if_any__c != null)
{
send.add(cc.Distributor__r.CC_to_if_any__c);

}

mails.add(semail);
 semail.setCcAddresses(send);
semail.setToAddresses(sendTo);
String emailBody =' <html><body> Dear '+ cc.Distributor__r.Name+' , Please find the attached Invoice details. Regards, IT Team Sayaji Groups.</body></html>';
semail.setHtmlBody(emailBody);
semail.setFileAttachments(new Messaging.EmailFileAttachment[]{attach});
Messaging.sendEmail(new Messaging.SingleEmailMessage[]{semail});
system.debug('email send');
}
}


@auraEnabled
public static void Mail(String recordId,String mMail,boolean checkCmp){

for(Invoice__c cc : [select Id,Distributor__r.E_mail__c,Distributor__r.CC_to_if_any__c,Distributor__r.Name from Invoice__c WHERE Id =: recordId]){
list<Messaging.SingleEmailMessage> mails = new List<Messaging.SingleEmailMessage>();
Messaging.SingleEmailMessage semail = new Messaging.SingleEmailMessage();
List<String> sendTo = new List<String>();//to string

system.debug(checkCmp);

// semail.setToAddresses(sendTo);
//shrutinigam1998@gmail.com

Messaging.EmailFileAttachment attach = new Messaging.EmailFileAttachment();
PageReference pref = page.PdfEmailInvoice;
pref.getParameters().put('Id',recordId);
pref.setRedirect(true);
Blob b;
b = pref.getContent();
attach.setFileName('Invoice.pdf');
attach.setBody(b);
semail.setSubject('Invoice details');
semail.setReplyTo('noreply@gmail.com');
semail.setSenderDisplayName('salesforce User');



if(checkCmp==true)
{
sendTo.add(mMail);
semail.setToAddresses(sendTo);
}
else if(checkCmp==false)
{
system.debug('hi check'+checkCmp);
if(mMail != null)
{
system.debug('hi mMail'+mMail);
sendTo.add(mMail);
 semail.setToAddresses(sendTo);
}

if(cc.Distributor__r.E_mail__c != null)
{ system.debug('hi Distributor mail'+cc.Distributor__r.E_mail__c);
sendTo.add(cc.Distributor__r.E_mail__c);
semail.setToAddresses(sendTo);
}

if(cc.Distributor__r.CC_to_if_any__c != null)

{
system.debug('hi Distributor cc mail'+cc.Distributor__r.CC_to_if_any__c);
List<String> send = new List<String>();//cc string
 send.add(cc.Distributor__r.CC_to_if_any__c);
semail.setCcAddresses(send);
}



}


mails.add(semail);

String emailBody =' <html><body> Dear '+ cc.Distributor__r.Name+' , Please find the attached Invoice details. Regards, IT Team Sayaji Groups.</body></html>';
semail.setHtmlBody(emailBody);
semail.setFileAttachments(new Messaging.EmailFileAttachment[]{attach});
Messaging.sendEmail(new Messaging.SingleEmailMessage[]{semail});
system.debug('email send');
}
}
}

May 29, 2019
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Best Answer chosen by Neeraj Sharma 103

Ajay K Dubedi
Hi Neeraj,
Firstly in your code, you have to change this for the test class as:
Controller:
public class EmailInvoiceA {

@auraEnabled
public static void sendMailWithPDF(String recordId){

for(Invoice__c cc : [select Id,Distributor__r.E_mail__c,Distributor__r.CC_to_if_any__c,Distributor__r.Name from Invoice__c WHERE Id =: recordId]){
list<Messaging.SingleEmailMessage> mails = new List<Messaging.SingleEmailMessage>();
Messaging.SingleEmailMessage semail = new Messaging.SingleEmailMessage();
List<String> sendTo = new List<String>();//to string

Messaging.EmailFileAttachment attach = new Messaging.EmailFileAttachment();
PageReference pref = page.PdfEmailInvoice;
pref.getParameters().put('Id',recordId);
pref.setRedirect(true);
Blob b;
if(Test.isRunningTest()) {
b = blob.valueOf('Unit.Test');
} else {
b = pref.getContent();
}
//b = pref.getContent();
attach.setFileName('Invoice.pdf');
attach.setBody(b);
semail.setSubject('Invoice details');
semail.setReplyTo('noreply@gmail.com');
semail.setSenderDisplayName('salesforce User');

sendTo.add(cc.Distributor__r.E_mail__c);

List<String> send = new List<String>();//cc string
system.debug('sendlis'+send);
// if(cc.Distributor__r.CC_to_if_any__c != null)
// {
// send.add(cc.Distributor__r.CC_to_if_any__c);

// }

if(cc.Distributor__r.E_mail__c==null && cc.Distributor__r.CC_to_if_any__c != null)
{

send.add(cc.Distributor__r.CC_to_if_any__c);
//semail.setccAddresses(sendTo);
semail.setToAddresses(send);

}
else if(cc.Distributor__r.E_mail__c !=null && cc.Distributor__r.CC_to_if_any__c != null)
{
sendTo.add(cc.Distributor__r.E_mail__c);
send.add(cc.Distributor__r.CC_to_if_any__c);

semail.setccAddresses(send);
semail.setToAddresses(sendTo);

}
else if(cc.Distributor__r.E_mail__c !=null && cc.Distributor__r.CC_to_if_any__c == null)
{

sendTo.add(cc.Distributor__r.E_mail__c);

semail.setToAddresses(sendTo);
}


mails.add(semail);
String emailBody =' <html><body> Dear '+ cc.Distributor__r.Name+' , Please find the attached Invoice details. Regards, IT Team Sayaji Groups.</body></html>;
semail.setHtmlBody(emailBody);
semail.setFileAttachments(new Messaging.EmailFileAttachment[]{attach});
Messaging.sendEmail(new Messaging.SingleEmailMessage[]{semail});
system.debug('email send');
}
}
}
So, this
"b = pref.getContent();" will become
"if(Test.isRunningTest()) {
b = blob.valueOf('Unit.Test');
} else {
b = pref.getContent();
}"
For test class try this code and change code accordingly:
@isTest
private class EmailInvoiceA_Test {

@isTest static void testsendMailWithPDF2()
{
Distributor__c dObj = new Distributor__c();
dObj.Name = 'Test';
dObj.CC_to_if_any__c = 'name@gmail.com';
//dObj.E_mail__c = 'name@gmail.com';
//Put all required field.
insert dObj;

Invoice__c Iobj = new Invoice__c();
Iobj.Name = 'Test';
Iobj.Distributor__c = dObj.Id;
insert Iobj;

EmailInvoiceA.sendMailWithPDF(Iobj.Id);
}
@isTest static void testsendMailWithPDF3()
{
Distributor__c dObj = new Distributor__c();
dObj.Name = 'Test';
//dObj.CC_to_if_any__c = 'name@gmail.com';
dObj.E_mail__c = 'name@gmail.com';
//Put all required field.
insert dObj;

Invoice__c Iobj = new Invoice__c();
Iobj.Name = 'Test';
Iobj.Distributor__c = dObj.Id;
insert Iobj;

EmailInvoiceA.sendMailWithPDF(Iobj.Id);
}

@isTest static void testsendMailWith2()
{
string Email = 'name@gmail.com';
Distributor__c dObj = new Distributor__c();
dObj.Name = 'Test';
dObj.CC_to_if_any__c = 'name@gmail.com';
//dObj.E_mail__c = 'name@gmail.com';
//Put all required field.
insert dObj;

Invoice__c Iobj = new Invoice__c();
Iobj.Name = 'Test';
Iobj.Distributor__c = dObj.Id;
insert Iobj;

EmailInvoiceA.sendMailWith(Iobj.Id, Email);
}
@isTest static void testsendMailWith3()
{
string Email = 'name@gmail.com';
Distributor__c dObj = new Distributor__c();
dObj.Name = 'Test';
//dObj.CC_to_if_any__c = 'name@gmail.com';
dObj.E_mail__c = 'name@gmail.com';
//Put all required field.
insert dObj;

Invoice__c Iobj = new Invoice__c();
Iobj.Name = 'Test';
Iobj.Distributor__c = dObj.Id;
insert Iobj;

EmailInvoiceA.sendMailWith(Iobj.Id, Email);
}

@isTest static void testMail2()
{
boolean checkCmp = False;
string Email = 'name@gmail.com';
Distributor__c dObj = new Distributor__c();
dObj.Name = 'Test';
dObj.CC_to_if_any__c = 'name@gmail.com';
//dObj.E_mail__c = 'name@gmail.com';
//Put all required field.
insert dObj;

Invoice__c Iobj = new Invoice__c();
Iobj.Name = 'Test';
Iobj.Distributor__c = dObj.Id;
insert Iobj;

EmailInvoiceA.Mail(Iobj.Id, Email, checkCmp);
}
@isTest static void testMail3()
{
boolean checkCmp = False;
string Email = 'name@gmail.com';
Distributor__c dObj = new Distributor__c();
dObj.Name = 'Test';
//dObj.CC_to_if_any__c = 'name@gmail.com';
dObj.E_mail__c = 'name@gmail.com';
//Put all required field.
insert dObj;

Invoice__c Iobj = new Invoice__c();
Iobj.Name = 'Test';
Iobj.Distributor__c = dObj.Id;
insert Iobj;

EmailInvoiceA.Mail(Iobj.Id, Email, checkCmp);
}
@isTest static void testMail4()
{
boolean checkCmp = True;
string Email = 'name@gmail.com';
Distributor__c dObj = new Distributor__c();
dObj.Name = 'Test';
dObj.CC_to_if_any__c = 'Test';
dObj.E_mail__c = 'name@gmail.com';
//Put all required field.
insert dObj;

Invoice__c Iobj = new Invoice__c();
Iobj.Name = 'Test';
Iobj.Distributor__c = dObj.Id;
insert Iobj;

EmailInvoiceA.Mail(Iobj.Id, Email, checkCmp);
}
}
I hope you find the above solution helpful. If it does, please mark as Best Answer to help others too.
Thanks,
Ajay Dubedi

June 15, 2019
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PINKY REGHU
Hi,
public class EmailInvoiceAtest { @testSetup static void setup() { Distributor__c distrib= new Distributor__c(); // enter the field values insert distrib; Invoice__c invoice= new Invoice__c(); // enter the field values // invoice.Distributor__c=distrib.id; insert invoice; } static testMethod void sendMailWithPDFTest() { EmailInvoiceA.sendMailWithPDF(invoice.id); } static testMethod void sendMailWithTest(){ { EmailInvoiceA.sendMailWith(invoice.id,'xxxxx@gmail.com'); } static testMethod void MailTest() { EmailInvoiceA.Mail(invoice.id,'xxxxx@gmail.com','true'); } }

Hope this helps.

May 29, 2019
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Neeraj Sharma 103
Hi PINKY REGHU

your code only 6%Code Coverage

June 14, 2019
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This was selected as the best answer

Neeraj Sharma 103
Hi Ajay K Dubedi
Thanks For your help Now test class code coverage is 93%

June 15, 2019
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