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2 changed files with 5 additions and 0 deletions
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@ -160,6 +160,7 @@ class Invoice < ActiveRecord::Base
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def total
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def total
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calculate_total unless total?
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calculate_total unless total?
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read_attribute(:total)
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end
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end
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private
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private
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@ -76,6 +76,10 @@ class InvoiceTest < ActiveSupport::TestCase
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end
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end
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end
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end
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def test_returns_persisted_total
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assert_equal BigDecimal('16.50'), @invoice.total
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end
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def test_calculates_total
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def test_calculates_total
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line_item = InvoiceItem.new
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line_item = InvoiceItem.new
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invoice = Invoice.new
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invoice = Invoice.new
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