budget/test/models/expense_test.rb

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require "test_helper"
class ExpenseTest < ActiveSupport::TestCase
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def test_monthly_converts_period_for_monthly
expense = Expense.new(period: :monthly, payment: 120.00)
assert_equal 120.00, expense.monthly
end
def test_monthly_converts_period_for_annually
expense = Expense.new(period: :annually, payment: 120.00)
assert_equal 10.00, expense.monthly
end
def test_monthly_converts_period_for_weekly
expense = Expense.new(period: :weekly, payment: 120.00)
assert_equal 520.00, expense.monthly
end
def test_monthly_converts_period_for_quarterly
expense = Expense.new(period: :quarterly, payment: 120.00)
assert_equal 40.00, expense.monthly
end
def test_total_calculates_total_of_expenses
Expense.destroy_all
Expense.create!(period: :monthly, payment: 120.00)
Expense.create!(period: :annually, payment: 120.00)
Expense.create!(period: :weekly, payment: 120.00)
Expense.create!(period: :quarterly, payment: 120.00)
assert_equal 480.00, Expense.total
end
def test_total_calculates_monthly_total
Expense.destroy_all
Expense.create!(period: :monthly, payment: 120.00)
Expense.create!(period: :annually, payment: 120.00)
Expense.create!(period: :weekly, payment: 120.00)
Expense.create!(period: :quarterly, payment: 120.00)
assert_equal 690.00, Expense.monthly_total
end
def test_total_calculates_credit_card_monthly_total
Expense.destroy_all
Expense.create!(period: :monthly, payment: 120.00, credit_card: true)
Expense.create!(period: :annually, payment: 120.00, credit_card: true)
Expense.create!(period: :weekly, payment: 120.00)
Expense.create!(period: :quarterly, payment: 120.00)
assert_equal 130.00, Expense.credit_card_monthly_total
end
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end