gitmatheus

    // Snippet from AccountTriggerHandlerTest

    ...
    mockDataLayer = new MockDataLayer();
    mockFieldReader = new MockFieldReader();
    ...

    // First, the formula field on the child object:
    mockFieldReader.addValueToField(
        mockDataLayer.childAccount,

gitmatheus

    // Snippet from the AccountTriggerHandler
    ...
        // If the mock data is not being used
        // creates new instances of the real deal
        public AccountTriggerHandler() {
            this(new DataLayer(), new FieldReader());
        }

        // Child_Accounts__r is a nonwritable child relationship
        // Uses the field reader to retrieve the list of child records:

gitmatheus

public class MockFieldReader implements IFieldReader {
    // Map of value stored in a field by Id
    private Map<Id, Map<String, Object>> fieldValuesByIdMap = new Map<Id, Map<String, Object>>();
    
    // ======================================================================
    // GETTERS
    //    The following method will try to find the field name and value
    //    in the map above, and return the correct value accordingly
    // ======================================================================
    public Object getFieldValue(SObject record, String fieldName) {

gitmatheus

public class FieldReader implements IFieldReader {
    
    // Retrieves a value from a field, as an object
    public Object getFieldValue(SObject record, String fieldName) {
        return record.get(fieldName);
    }

    // Retrieves a value from a field, as a SObject
    public SObject getFieldRecord(SObject record, String fieldName) {
        return record.getSObject(fieldName);

gitmatheus

public interface IFieldReader {
    Object getFieldValue(SObject record, String fieldName);
    SObject getFieldRecord(SObject record, String fieldName);
    List<SObject> getFieldRecords(SObject record, String fieldName);
}

gitmatheus

/****************************************** 
    Imagine three strings: 
        - one with a single space 
        - one null
        - one not empty and not null
 ******************************************/     

   String singleSpaceString = ' ';
   String nullString = null;
   String notEmptyString = 'Samwise Gamgee is the real hero'; 

gitmatheus

public class DataLayerHandler {
    public interface IDataLayer {
        List<Document__c> getDocumentList();
    }
} 

gitmatheus

Boating class STEP 1

Captain Kevin Pisani

3 steps

• Send a copy of my card - email to Captain Kevin or bring it to the water class
• Class today
• Class on Friday

gitmatheus

public class MyUser {
    public String username;
    public String password;
    
    public void validateCredentials() {
        // calling an static method without creating a new instance of MySecurityClass
        Boolean authenticated = MySecurityClass.validateCredentials(username, password);
        
        System.debug('User username: ' + username);
        System.debug('User Authentication: ' + authenticated);

gitmatheus

public class MySecurityClass {
    
    public static Boolean validateCredentials(String username, String password){
        if (username == 'admin' && password == 'admin'){
            return true;
        } else {
            return false;
        }
    }      
}