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40 lines
814 B
Ruby
40 lines
814 B
Ruby
require 'test_helper'
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class WalletTest < ActiveSupport::TestCase
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test "default amount must be zero" do
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w = Wallet.new
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assert w.amount == 0
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end
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test 'should user present' do
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w = Wallet.create
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assert w.errors[:user].present?
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end
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test 'can credit amount' do
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w = Wallet.first
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expected_amount = w.amount + 5.5
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assert w.credit(5.5)
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assert_equal w.amount, expected_amount
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end
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test 'can debit amount' do
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w = Wallet.first
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w.credit(5)
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expected_amount = w.amount - 5
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assert w.debit(5)
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assert_equal w.amount, expected_amount
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end
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test 'cant debit/credit a negative' do
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w = Wallet.new
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assert_not w.credit(-5)
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assert_not w.debit(-5)
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end
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test 'wallet amount cant < 0 after debit' do
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w = Wallet.new
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assert_not w.debit(5)
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end
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end
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