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[Ori]Portfolio-Solucion.st
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[Ori]Portfolio-Solucion.st
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!classDefinition: #PortfolioTest category: 'Portfolio-Solucion'!
TestCase subclass: #PortfolioTest
instanceVariableNames: ''
classVariableNames: ''
poolDictionaries: ''
category: 'Portfolio-Solucion'!
!PortfolioTest methodsFor: 'tests' stamp: 'HAW 5/25/2019 11:16:26'!
test01BalanceOfPortfolioWithoutAccountsIsZero
self assert: 0 equals: Portfolio new balance! !
!PortfolioTest methodsFor: 'tests' stamp: 'NR 5/27/2021 17:36:04'!
test02BalanceOfPortfolioWithAccountsIsSumOfAccountsBalance
| account portfolio |
account := ReceptiveAccount new.
Deposit register: 100 on: account.
portfolio := Portfolio with: account.
self assert: account balance equals: portfolio balance! !
!PortfolioTest methodsFor: 'tests' stamp: 'HAW 5/25/2019 11:23:25'!
test03BalanceOfPortfolioIsCalculatedRecursivelyOnPortfolios
| simplePortfolioAccount simplePortfolio composedPortfolioAccount composedPortofolio |
simplePortfolioAccount := ReceptiveAccount new.
Deposit register: 100 on: simplePortfolioAccount.
simplePortfolio := Portfolio with: simplePortfolioAccount.
composedPortfolioAccount := ReceptiveAccount new.
Withdraw register: 50 on: composedPortfolioAccount.
composedPortofolio := Portfolio with: simplePortfolio with: composedPortfolioAccount.
self assert: (composedPortfolioAccount balance + simplePortfolio balance) equals: composedPortofolio balance! !
!PortfolioTest methodsFor: 'tests' stamp: 'HAW 5/25/2019 11:43:15'!
test04PortfolioWithoutAccountsHasNoRegisteredTransaction
self deny: (Portfolio new hasRegistered: (Deposit for: 100))! !
!PortfolioTest methodsFor: 'tests' stamp: 'HAW 5/25/2019 11:43:11'!
test05PortfolioHasRegisteredItsAccountsTransactions
| account portfolio deposit |
account := ReceptiveAccount new.
deposit := Deposit register: 100 on: account.
portfolio := Portfolio with: account.
self assert: (portfolio hasRegistered: deposit)! !
!PortfolioTest methodsFor: 'tests' stamp: 'HAW 5/25/2019 11:58:06'!
test06PortfolioLooksForRegisteredTransactionsRecursively
| simplePortfolioAccount simplePortfolio composedPortfolioAccount composedPortfolio composedPortfolioAccountWithdraw simplePortfolioAccountDeposit |
simplePortfolioAccount := ReceptiveAccount new.
simplePortfolioAccountDeposit := Deposit register: 100 on: simplePortfolioAccount.
simplePortfolio := Portfolio with: simplePortfolioAccount.
composedPortfolioAccount := ReceptiveAccount new.
composedPortfolioAccountWithdraw := Withdraw register: 50 on: composedPortfolioAccount.
composedPortfolio := Portfolio with: simplePortfolio with: composedPortfolioAccount.
self assert: (composedPortfolio hasRegistered: simplePortfolioAccountDeposit).
self assert: (composedPortfolio hasRegistered: composedPortfolioAccountWithdraw)! !
!PortfolioTest methodsFor: 'tests' stamp: 'HAW 5/25/2019 11:58:10'!
test07PortfolioHasNoTransactionWhenHasNoAccounts
self assert: Portfolio new transactions isEmpty! !
!PortfolioTest methodsFor: 'tests' stamp: 'NR 6/22/2020 07:31:19'!
test08PortfolioTransactionsIncludesAllItsAccountsTransactions
| account portfolio accountDeposit anotherAccount portfolioTransactions anotherAccountWithdraw |
account := ReceptiveAccount new.
accountDeposit := Deposit register: 100 on: account.
anotherAccount := ReceptiveAccount new.
anotherAccountWithdraw := Withdraw register: 100 on: account.
portfolio := Portfolio with: account.
portfolioTransactions := portfolio transactions.
self assert: 2 equals: portfolioTransactions size.
self assert: (portfolioTransactions includes: accountDeposit).
self assert: (portfolioTransactions includes: anotherAccountWithdraw)! !
!PortfolioTest methodsFor: 'tests' stamp: 'HAW 5/25/2019 11:58:20'!
test09PortfolioTransactionsAreCalculatedRecursively
| simplePortfolioAccount simplePortfolio composedPortfolioAccount composedPortfolio composedPortfolioAccountWithdraw simplePortfolioAccountDeposit composedPortfolioTransactions |
simplePortfolioAccount := ReceptiveAccount new.
simplePortfolioAccountDeposit := Deposit register: 100 on: simplePortfolioAccount.
simplePortfolio := Portfolio with: simplePortfolioAccount.
composedPortfolioAccount := ReceptiveAccount new.
composedPortfolioAccountWithdraw := Withdraw register: 50 on: composedPortfolioAccount.
composedPortfolio := Portfolio with: simplePortfolio with: composedPortfolioAccount.
composedPortfolioTransactions := composedPortfolio transactions.
self assert: 2 equals: composedPortfolioTransactions size.
self assert: (composedPortfolioTransactions includes: simplePortfolioAccountDeposit).
self assert: (composedPortfolioTransactions includes: composedPortfolioAccountWithdraw)! !
!PortfolioTest methodsFor: 'tests' stamp: 'HAW 5/25/2019 11:58:24'!
test10PortfolioCanNotIncludeTheSameAccountMoreThanOnce
| account portfolio |
account := ReceptiveAccount new.
portfolio := Portfolio with: account.
self
should: [ portfolio add: account ]
raise: Error - MessageNotUnderstood
withExceptionDo: [ :anError |
self assert: Portfolio canNotAddAccountErrorMessage equals: anError messageText.
self assert: 1 equals: portfolio accountsSize.
self assert: (portfolio accountsIncludes: account) ]! !
!PortfolioTest methodsFor: 'tests' stamp: 'HAW 5/25/2019 11:58:28'!
test11PortfolioCanNotIncludeAccountOfItsPortfolios
| account simplePortfolio composedPortfolio |
account := ReceptiveAccount new.
simplePortfolio := Portfolio with: account.
composedPortfolio := Portfolio with: simplePortfolio.
self
should: [ composedPortfolio add: account ]
raise: Error - MessageNotUnderstood
withExceptionDo: [ :anError |
self assert: Portfolio canNotAddAccountErrorMessage equals: anError messageText.
self assert: 1 equals: composedPortfolio accountsSize.
self assert: (composedPortfolio accountsIncludes: simplePortfolio) ]! !
!PortfolioTest methodsFor: 'tests' stamp: 'HAW 5/25/2019 11:58:32'!
test12PortfolioCanNotIncludeItself
| account simplePortfolio |
account := ReceptiveAccount new.
simplePortfolio := Portfolio with: account.
self
should: [ simplePortfolio add: simplePortfolio ]
raise: Error - MessageNotUnderstood
withExceptionDo: [ :anError |
self assert: Portfolio canNotAddAccountErrorMessage equals: anError messageText.
self assert: 1 equals: simplePortfolio accountsSize.
self assert: (simplePortfolio accountsIncludes: account) ]! !
!PortfolioTest methodsFor: 'tests' stamp: 'HAW 5/25/2019 12:01:51'!
test13ComposedPortfolioCanNotHaveParentPortfolioAccount
| account simplePortfolio composedPortfolio |
account := ReceptiveAccount new.
simplePortfolio := Portfolio new.
composedPortfolio := Portfolio with: simplePortfolio.
composedPortfolio add: account.
self
should: [ simplePortfolio add: account ]
raise: Error - MessageNotUnderstood
withExceptionDo: [ :anError |
self assert: Portfolio canNotAddAccountErrorMessage equals: anError messageText.
self assert: simplePortfolio accountsIsEmpty ]! !
!PortfolioTest methodsFor: 'tests' stamp: 'HAW 5/25/2019 12:12:16'!
test14ComposedPortfolioCanNotHaveAccountOfAnyRootParentRecursively
| account leftParentPortfolio leftRootParentPortfolio portfolio rightParentPortfolio rightRootParentPortfolio |
account := ReceptiveAccount new.
portfolio := Portfolio new.
leftParentPortfolio := Portfolio with: portfolio .
leftRootParentPortfolio := Portfolio with: leftParentPortfolio.
leftRootParentPortfolio add: account.
rightParentPortfolio := Portfolio with: portfolio .
rightRootParentPortfolio := Portfolio with: rightParentPortfolio.
rightRootParentPortfolio add: account.
self
should: [ portfolio add: account ]
raise: Error - MessageNotUnderstood
withExceptionDo: [ :anError |
self assert: Portfolio canNotAddAccountErrorMessage equals: anError messageText.
self assert: portfolio accountsIsEmpty ]! !
!PortfolioTest methodsFor: 'tests' stamp: 'HAW 5/29/2019 16:31:18'!
test15PortfolioCanNotIncludeAnyOfTheComposedAccountOfPortfolioToAdd
| portfolioToAdd portfolioToModify rootPortfolio sharedAccount |
sharedAccount := ReceptiveAccount new.
portfolioToModify := Portfolio new.
rootPortfolio := Portfolio with: sharedAccount with: portfolioToModify.
portfolioToAdd := Portfolio with: sharedAccount.
self
should: [ portfolioToModify add: portfolioToAdd ]
raise: Error - MessageNotUnderstood
withExceptionDo: [ :anError |
self assert: Portfolio canNotAddAccountErrorMessage equals: anError messageText.
self assert: portfolioToModify accountsIsEmpty ]! !
!classDefinition: #ReceptiveAccountTest category: 'Portfolio-Solucion'!
TestCase subclass: #ReceptiveAccountTest
instanceVariableNames: ''
classVariableNames: ''
poolDictionaries: ''
category: 'Portfolio-Solucion'!
!ReceptiveAccountTest methodsFor: 'tests' stamp: 'HAW 5/23/2019 15:19:48'!
test01ReceptiveAccountHaveZeroAsBalanceWhenCreated
| account |
account := ReceptiveAccount new.
self assert: 0 equals: account balance .
! !
!ReceptiveAccountTest methodsFor: 'tests' stamp: 'HAW 5/23/2019 15:19:54'!
test02DepositIncreasesBalanceOnTransactionValue
| account |
account := ReceptiveAccount new.
Deposit register: 100 on: account.
self assert: 100 equals: account balance .
! !
!ReceptiveAccountTest methodsFor: 'tests' stamp: 'HAW 5/23/2019 15:20:02'!
test03WithdrawDecreasesBalanceOnTransactionValue
| account |
account := ReceptiveAccount new.
Deposit register: 100 on: account.
Withdraw register: 50 on: account.
self assert: 50 equals: account balance .
! !
!ReceptiveAccountTest methodsFor: 'tests' stamp: 'HAW 5/23/2019 15:20:32'!
test04WithdrawValueMustBePositive
| account withdrawValue |
account := ReceptiveAccount new.
withdrawValue := 50.
self assert: withdrawValue equals: (Withdraw register: withdrawValue on: account) value
! !
!ReceptiveAccountTest methodsFor: 'tests' stamp: 'HAW 5/23/2019 15:20:46'!
test05ReceptiveAccountKnowsRegisteredTransactions
| account deposit withdraw |
account := ReceptiveAccount new.
deposit := Deposit register: 100 on: account.
withdraw := Withdraw register: 50 on: account.
self assert: (account hasRegistered: deposit).
self assert: (account hasRegistered: withdraw).
! !
!ReceptiveAccountTest methodsFor: 'tests' stamp: 'HAW 5/23/2019 15:20:54'!
test06ReceptiveAccountDoNotKnowNotRegisteredTransactions
| account deposit withdraw |
account := ReceptiveAccount new.
deposit := Deposit for: 100.
withdraw := Withdraw for: 50.
self deny: (account hasRegistered: deposit).
self deny: (account hasRegistered:withdraw).
! !
!ReceptiveAccountTest methodsFor: 'tests' stamp: 'HAW 5/23/2019 15:21:24'!
test07AccountKnowsItsTransactions
| account1 deposit1 |
account1 := ReceptiveAccount new.
deposit1 := Deposit register: 100 on: account1.
self assert: 1 equals: account1 transactions size .
self assert: (account1 transactions includes: deposit1).
! !
!classDefinition: #Account category: 'Portfolio-Solucion'!
Object subclass: #Account
instanceVariableNames: ''
classVariableNames: ''
poolDictionaries: ''
category: 'Portfolio-Solucion'!
!Account methodsFor: 'testing' stamp: 'HAW 5/25/2019 12:23:47'!
hasRegistered: aTransaction
self subclassResponsibility ! !
!Account methodsFor: 'testing' stamp: 'HAW 5/25/2019 12:24:25'!
isComposedBy: anAccount
self subclassResponsibility ! !
!Account methodsFor: 'balance' stamp: 'HAW 5/25/2019 12:23:40'!
balance
self subclassResponsibility ! !
!Account methodsFor: 'transactions' stamp: 'HAW 5/25/2019 12:23:27'!
addTransactionsTo: aCollectionOfTransactions
self subclassResponsibility ! !
!Account methodsFor: 'transactions' stamp: 'HAW 5/25/2019 12:23:15'!
transactions
self subclassResponsibility ! !
!Account methodsFor: 'composition' stamp: 'HAW 5/25/2019 12:24:04'!
addedTo: aPortfolio
self subclassResponsibility ! !
!classDefinition: #Portfolio category: 'Portfolio-Solucion'!
Account subclass: #Portfolio
instanceVariableNames: 'accounts parents'
classVariableNames: ''
poolDictionaries: ''
category: 'Portfolio-Solucion'!
!Portfolio methodsFor: 'accounts management' stamp: 'HAW 5/25/2019 11:49:20'!
accountsIncludes: anAccount
^accounts includes: anAccount ! !
!Portfolio methodsFor: 'accounts management' stamp: 'HAW 5/25/2019 12:05:04'!
accountsIsEmpty
^accounts isEmpty ! !
!Portfolio methodsFor: 'accounts management' stamp: 'HAW 5/25/2019 11:49:06'!
accountsSize
^accounts size! !
!Portfolio methodsFor: 'accounts management' stamp: 'HAW 5/25/2019 12:19:20'!
add: accountToAdd
self assertCanAdd: accountToAdd.
accounts add: accountToAdd.
accountToAdd addedTo: self
! !
!Portfolio methodsFor: 'accounts management' stamp: 'HAW 5/25/2019 12:17:31'!
rootParents
| rootParents |
rootParents := Set new.
self addRootParentsTo: rootParents.
^ rootParents! !
!Portfolio methodsFor: 'initialization' stamp: 'HAW 5/25/2019 12:03:18'!
initialize
accounts := OrderedCollection new.
parents := OrderedCollection new.! !
!Portfolio methodsFor: 'balance' stamp: 'HAW 5/25/2019 11:19:36'!
balance
^accounts sum: [ :anAccount | anAccount balance ] ifEmpty: [ 0 ]! !
!Portfolio methodsFor: 'transactions' stamp: 'HAW 5/25/2019 11:42:55'!
addTransactionsTo: aCollectionOfTransactions
accounts do: [ :anAccount | anAccount addTransactionsTo: aCollectionOfTransactions ]! !
!Portfolio methodsFor: 'transactions' stamp: 'HAW 5/25/2019 11:38:32'!
transactions
| transactions |
transactions := OrderedCollection new.
accounts do: [ :anAccount | anAccount addTransactionsTo: transactions ].
^transactions ! !
!Portfolio methodsFor: 'composition' stamp: 'HAW 5/25/2019 12:02:59'!
addedTo: aPortfolio
parents add: aPortfolio ! !
!Portfolio methodsFor: 'testing' stamp: 'HAW 5/25/2019 12:20:56'!
anyRootParentIsComposedBy: accountToAdd
^self rootParents anySatisfy: [ :aParent | aParent isComposedBy: accountToAdd]! !
!Portfolio methodsFor: 'testing' stamp: 'HAW 5/25/2019 11:28:29'!
hasRegistered: aTransaction
^accounts anySatisfy: [ :anAccount | anAccount hasRegistered: aTransaction ]! !
!Portfolio methodsFor: 'testing' stamp: 'HAW 5/29/2019 16:24:54'!
isComposedBy: anAccount
^ self = anAccount or: [ accounts anySatisfy: [ :composedAccount | (composedAccount isComposedBy: anAccount) or: [ anAccount isComposedBy: composedAccount ]]]! !
!Portfolio methodsFor: 'account management - private' stamp: 'HAW 5/25/2019 12:17:31'!
addRootParentsTo: rootParents
parents
ifEmpty: [ rootParents add: self ]
ifNotEmpty: [ parents do: [ :aParent | aParent addRootParentsTo: rootParents ]]! !
!Portfolio methodsFor: 'account management - private' stamp: 'HAW 5/25/2019 12:20:36'!
assertCanAdd: accountToAdd
(self anyRootParentIsComposedBy: accountToAdd) ifTrue: [ self signalCanNotAddAccount ].
! !
!Portfolio methodsFor: 'account management - private' stamp: 'HAW 5/25/2019 11:48:34'!
signalCanNotAddAccount
self error: self class canNotAddAccountErrorMessage! !
"-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- "!
!classDefinition: 'Portfolio class' category: 'Portfolio-Solucion'!
Portfolio class
instanceVariableNames: ''!
!Portfolio class methodsFor: 'as yet unclassified' stamp: 'HAW 5/25/2019 11:48:55'!
canNotAddAccountErrorMessage
^'Can not add repeated account to a portfolio'! !
!Portfolio class methodsFor: 'as yet unclassified' stamp: 'HAW 5/25/2019 11:18:21'!
with: anAccount
^self new
add: anAccount;
yourself! !
!Portfolio class methodsFor: 'as yet unclassified' stamp: 'HAW 5/25/2019 11:23:59'!
with: anAccount with: anotherAccount
^self new
add: anAccount;
add: anotherAccount;
yourself! !
!classDefinition: #ReceptiveAccount category: 'Portfolio-Solucion'!
Account subclass: #ReceptiveAccount
instanceVariableNames: 'transactions'
classVariableNames: ''
poolDictionaries: ''
category: 'Portfolio-Solucion'!
!ReceptiveAccount methodsFor: 'initialization' stamp: 'HernanWilkinson 7/13/2011 18:35'!
initialize
super initialize.
transactions := OrderedCollection new.! !
!ReceptiveAccount methodsFor: 'transactions' stamp: 'HAW 5/25/2019 11:38:52'!
addTransactionsTo: aCollectionOfTransactions
aCollectionOfTransactions addAll: transactions ! !
!ReceptiveAccount methodsFor: 'transactions' stamp: 'HernanWilkinson 7/13/2011 18:37'!
register: aTransaction
transactions add: aTransaction
! !
!ReceptiveAccount methodsFor: 'transactions' stamp: 'HernanWilkinson 7/13/2011 18:37'!
transactions
^ transactions copy! !
!ReceptiveAccount methodsFor: 'balance' stamp: 'HAW 5/25/2019 11:24:46'!
balance
^transactions
inject: 0
into: [ :currentBalance :transaction | transaction affectBalance: currentBalance ]! !
!ReceptiveAccount methodsFor: 'testing' stamp: 'NR 10/21/2019 18:55:56'!
hasRegistered: aTransaction
^ transactions includes: aTransaction
! !
!ReceptiveAccount methodsFor: 'testing' stamp: 'HAW 5/25/2019 11:54:51'!
isComposedBy: anAccount
^self = anAccount ! !
!ReceptiveAccount methodsFor: 'composition' stamp: 'HAW 5/25/2019 12:03:32'!
addedTo: aPortfolio
! !
!classDefinition: #AccountTransaction category: 'Portfolio-Solucion'!
Object subclass: #AccountTransaction
instanceVariableNames: ''
classVariableNames: ''
poolDictionaries: ''
category: 'Portfolio-Solucion'!
!AccountTransaction methodsFor: 'value' stamp: 'HernanWilkinson 9/12/2011 12:25'!
value
self subclassResponsibility ! !
!AccountTransaction methodsFor: 'balance' stamp: 'HAW 5/25/2019 11:25:39'!
affectBalance: aBalance
self subclassResponsibility ! !
"-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- "!
!classDefinition: 'AccountTransaction class' category: 'Portfolio-Solucion'!
AccountTransaction class
instanceVariableNames: ''!
!AccountTransaction class methodsFor: 'instance creation' stamp: 'NR 10/21/2019 18:54:27'!
register: aValue on: account
| transaction |
transaction := self for: aValue.
account register: transaction.
^ transaction! !
!classDefinition: #Deposit category: 'Portfolio-Solucion'!
AccountTransaction subclass: #Deposit
instanceVariableNames: 'value'
classVariableNames: ''
poolDictionaries: ''
category: 'Portfolio-Solucion'!
!Deposit methodsFor: 'initialization' stamp: 'HernanWilkinson 7/13/2011 18:45'!
initializeFor: aValue
value := aValue ! !
!Deposit methodsFor: 'value' stamp: 'HernanWilkinson 7/13/2011 18:38'!
value
^ value! !
!Deposit methodsFor: 'balance' stamp: 'HAW 5/25/2019 11:25:02'!
affectBalance: aBalance
^aBalance + value ! !
"-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- "!
!classDefinition: 'Deposit class' category: 'Portfolio-Solucion'!
Deposit class
instanceVariableNames: ''!
!Deposit class methodsFor: 'instance creation' stamp: 'HernanWilkinson 7/13/2011 18:38'!
for: aValue
^ self new initializeFor: aValue ! !
!classDefinition: #Withdraw category: 'Portfolio-Solucion'!
AccountTransaction subclass: #Withdraw
instanceVariableNames: 'value'
classVariableNames: ''
poolDictionaries: ''
category: 'Portfolio-Solucion'!
!Withdraw methodsFor: 'initialization' stamp: 'HernanWilkinson 7/13/2011 18:46'!
initializeFor: aValue
value := aValue ! !
!Withdraw methodsFor: 'value' stamp: 'HernanWilkinson 7/13/2011 18:33'!
value
^ value! !
!Withdraw methodsFor: 'balance' stamp: 'HAW 5/25/2019 11:25:15'!
affectBalance: aBalance
^aBalance - value! !
"-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- "!
!classDefinition: 'Withdraw class' category: 'Portfolio-Solucion'!
Withdraw class
instanceVariableNames: ''!
!Withdraw class methodsFor: 'instance creation' stamp: 'HernanWilkinson 7/13/2011 18:33'!
for: aValue
^ self new initializeFor: aValue ! !