Renamed RepaymentStrategy to PaymentCalculator in part to reflect its…

… increased responsibility.
floehopper · May 31, 2011 · 5a2bb63 · 5a2bb63
1 parent 0550817
commit 5a2bb63
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Showing 6 changed files with 10 additions and 10 deletions.
diff --git a/app/loan.rb b/app/loan.rb
@@ -1,9 +1,9 @@
 class Loan
 
-  def initialize(simulator, lender_account, borrower_account, amount, rate, term, repayment_strategy_class)
+  def initialize(simulator, lender_account, borrower_account, amount, rate, term, payment_calculator_class)
     @simulator, @lender_account, @borrower_account, @rate, @term = simulator, lender_account, borrower_account, rate, term
     @principal_account = Account.new(amount)
-    @repayment_strategy = repayment_strategy_class.new(@principal_account, @rate, @term)
+    @payment_calculator = payment_calculator_class.new(@principal_account, @rate, @term)
   end
 
   def draw_down
@@ -13,8 +13,8 @@ def draw_down
   end
 
   def process_monthly_payment
-    Transfer.new(@borrower_account, @lender_account, @repayment_strategy.total_monthly_payment).complete
-    @principal_account.debit(@repayment_strategy.monthly_principal_repayment)
+    Transfer.new(@borrower_account, @lender_account, @payment_calculator.total_monthly_payment).complete
+    @principal_account.debit(@payment_calculator.monthly_principal_repayment)
     @term.reduce_months_by(1)
   end
 

diff --git a/app/repayment_strategy.rb → app/payment_calculator.rb b/app/repayment_strategy.rb → app/payment_calculator.rb
@@ -1,4 +1,4 @@
-module RepaymentStrategy
+module PaymentCalculator
 
   class InterestOnly
 
@@ -20,7 +20,7 @@ def total_monthly_payment
 
   end
 
-  class Standard < InterestOnly
+  class Repayment < InterestOnly
 
     def initialize(principal_account, rate, term)
       super

diff --git a/test/interest_only_loan_test.rb b/test/interest_only_loan_test.rb
@@ -6,7 +6,7 @@ def setup
     @amount = Money.parse("100,000.00")
     @lender_account = Account.new
     @borrower_account = Account.new
-    loan = Loan.new(@simulator, @lender_account, @borrower_account, @amount, InterestRate::Simple.new(Percentage.new(6)), Term.in_years(25), RepaymentStrategy::InterestOnly)
+    loan = Loan.new(@simulator, @lender_account, @borrower_account, @amount, InterestRate::Simple.new(Percentage.new(6)), Term.in_years(25), PaymentCalculator::InterestOnly)
     @simulator.schedule_at(0) { loan.draw_down }
     @expected_monthly_payment = Money.parse("500.00")
   end

diff --git a/test/interest_only_tracker_loan_test.rb b/test/interest_only_tracker_loan_test.rb
@@ -8,7 +8,7 @@ def setup
     @borrower_account = Account.new
     base_rate = InterestRate::Simple.new(Percentage.new(4))
     rate = InterestRate::Tracker.new(base_rate, Percentage.new(2))
-    loan = Loan.new(@simulator, @lender_account, @borrower_account, @amount, rate, Term.in_years(25), RepaymentStrategy::InterestOnly)
+    loan = Loan.new(@simulator, @lender_account, @borrower_account, @amount, rate, Term.in_years(25), PaymentCalculator::InterestOnly)
     @simulator.schedule_at(0) { loan.draw_down }
     @simulator.schedule_at(151) { base_rate.increase_by(Percentage.new(3)) }
     @expected_low_monthly_payment = Money.parse("500.00")

diff --git a/test/repayment_loan_test.rb b/test/repayment_loan_test.rb
@@ -6,7 +6,7 @@ def setup
     @amount = Money.parse("100,000.00")
     @lender_account = Account.new
     @borrower_account = Account.new
-    loan = Loan.new(@simulator, @lender_account, @borrower_account, @amount, InterestRate::Simple.new(Percentage.new(6)), Term.in_years(25), RepaymentStrategy::Standard)
+    loan = Loan.new(@simulator, @lender_account, @borrower_account, @amount, InterestRate::Simple.new(Percentage.new(6)), Term.in_years(25), PaymentCalculator::Repayment)
     @simulator.schedule_at(0) { loan.draw_down }
     @expected_monthly_payment = Money.parse("644.30")
   end

diff --git a/test/repayment_tracker_loan_test.rb b/test/repayment_tracker_loan_test.rb
@@ -8,7 +8,7 @@ def setup
     @borrower_account = Account.new
     base_rate = InterestRate::Simple.new(Percentage.new(4))
     rate = InterestRate::Tracker.new(base_rate, Percentage.new(2))
-    loan = Loan.new(@simulator, @lender_account, @borrower_account, @amount, rate, Term.in_years(25), RepaymentStrategy::Standard)
+    loan = Loan.new(@simulator, @lender_account, @borrower_account, @amount, rate, Term.in_years(25), PaymentCalculator::Repayment)
     @simulator.schedule_at(0) { loan.draw_down }
     @simulator.schedule_at(151) { base_rate.increase_by(Percentage.new(3)) }
     @expected_low_monthly_payment = Money.parse("644.30")