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https://github.com/maybe-finance/maybe.git
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110855d077
* Support all currencies, handle outside DB * Remove currencies from seed * Fix account balance namespace * Set default currency on authentication * Cache currency instances * Implement multi-currency syncs with tests * Series fallback, passing tests * Fix conflicts * Make value group concrete class that works with currency values * Fix migration conflict * Update tests to expect multi-currency results * Update account list to use group method * Namespace updates * Fetch unknown exchange rates from API * Fix date range bug * Ensure demo data works without external API * Enforce cascades only at DB level
99 lines
3.3 KiB
Ruby
99 lines
3.3 KiB
Ruby
require "test_helper"
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class MoneyTest < ActiveSupport::TestCase
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test "can create with default currency" do
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value = Money.new(1000)
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assert_equal 1000, value.amount
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end
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test "can create with custom currency" do
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value1 = Money.new(1000, :EUR)
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value2 = Money.new(1000, :eur)
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value3 = Money.new(1000, "eur")
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value4 = Money.new(1000, "EUR")
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assert_equal value1.currency.iso_code, value2.currency.iso_code
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assert_equal value2.currency.iso_code, value3.currency.iso_code
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assert_equal value3.currency.iso_code, value4.currency.iso_code
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end
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test "equality tests amount and currency" do
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assert_equal Money.new(1000), Money.new(1000)
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assert_not_equal Money.new(1000), Money.new(1001)
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assert_not_equal Money.new(1000, :usd), Money.new(1000, :eur)
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end
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test "can compare with zero Numeric" do
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assert_equal Money.new(0), 0
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assert_raises(TypeError) { Money.new(1) == 1 }
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end
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test "can negate" do
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assert_equal (-Money.new(1000)), Money.new(-1000)
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end
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test "can use comparison operators" do
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assert_operator Money.new(1000), :>, Money.new(999)
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assert_operator Money.new(1000), :>=, Money.new(1000)
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assert_operator Money.new(1000), :<, Money.new(1001)
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assert_operator Money.new(1000), :<=, Money.new(1000)
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end
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test "can add and subtract" do
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assert_equal Money.new(1000) + Money.new(1000), Money.new(2000)
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assert_equal Money.new(1000) + 1000, Money.new(2000)
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assert_equal Money.new(1000) - Money.new(1000), Money.new(0)
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assert_equal Money.new(1000) - 1000, Money.new(0)
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end
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test "can multiply" do
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assert_equal Money.new(1000) * 2, Money.new(2000)
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assert_raises(TypeError) { Money.new(1000) * Money.new(2) }
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end
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test "can divide" do
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assert_equal Money.new(1000) / 2, Money.new(500)
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assert_equal Money.new(1000) / Money.new(500), 2
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assert_raise(TypeError) { 1000 / Money.new(2) }
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end
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test "operator order does not matter" do
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assert_equal Money.new(1000) + 1000, 1000 + Money.new(1000)
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assert_equal Money.new(1000) - 1000, 1000 - Money.new(1000)
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assert_equal Money.new(1000) * 2, 2 * Money.new(1000)
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end
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test "can get absolute value" do
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assert_equal Money.new(1000).abs, Money.new(1000)
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assert_equal Money.new(-1000).abs, Money.new(1000)
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end
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test "can test if zero" do
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assert Money.new(0).zero?
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assert_not Money.new(1000).zero?
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end
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test "can test if negative" do
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assert Money.new(-1000).negative?
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assert_not Money.new(1000).negative?
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end
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test "can test if positive" do
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assert Money.new(1000).positive?
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assert_not Money.new(-1000).positive?
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end
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test "can cast to string with basic formatting" do
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assert_equal "$1,000.90", Money.new(1000.899).format
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assert_equal "€1.000,12", Money.new(1000.12, :eur).format
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end
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test "can exchange to another currency" do
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er = exchange_rates(:today_usd_to_eur)
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assert_equal Money.new(1000).exchange_to(:eur), Money.new(1000 * er.rate, :eur)
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end
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test "returns nil if exchange rate not available" do
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assert_nil Money.new(1000).exchange_to(:jpy)
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end
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end
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