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https://github.com/we-promise/sure
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455c74dcfa
* feat: add Binance support (Items, Accounts, Importers, Processor, and Sync) * refactor: deduplicate 'stablecoins' constant and push stale_rate filter to SQL --------- Signed-off-by: Juan José Mata <juanjo.mata@gmail.com> Co-authored-by: Juan José Mata <juanjo.mata@gmail.com>
76 lines
2.4 KiB
Ruby
76 lines
2.4 KiB
Ruby
# frozen_string_literal: true
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require "test_helper"
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class BinanceAccount::UsdConverterTest < ActiveSupport::TestCase
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# A minimal host class that includes the concern so we can test it in isolation
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class Host
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include BinanceAccount::UsdConverter
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def initialize(family_currency)
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@family_currency = family_currency
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end
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def target_currency
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@family_currency
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end
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end
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test "returns original amount unchanged when target is USD" do
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host = Host.new("USD")
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amount, stale, rate_date = host.send(:convert_from_usd, 1000.0, date: Date.current)
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assert_equal 1000.0, amount
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assert_equal false, stale
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assert_nil rate_date
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end
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test "returns converted amount when exact rate exists" do
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date = Date.new(2026, 3, 28)
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ExchangeRate.create!(from_currency: "USD", to_currency: "EUR", date: date, rate: 0.92)
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host = Host.new("EUR")
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amount, stale, rate_date = host.send(:convert_from_usd, 1000.0, date: date)
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assert_in_delta 920.0, amount, 0.01
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assert_equal false, stale
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assert_nil rate_date
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end
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test "marks stale and returns converted amount when nearest rate used" do
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old_date = Date.new(2026, 3, 25)
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ExchangeRate.create!(from_currency: "USD", to_currency: "EUR", date: old_date, rate: 0.91)
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host = Host.new("EUR")
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amount, stale, rate_date = host.send(:convert_from_usd, 1000.0, date: Date.new(2026, 3, 28))
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assert_in_delta 910.0, amount, 0.01
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assert_equal true, stale
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assert_equal old_date, rate_date
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end
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test "returns raw USD amount with stale flag when no rate available" do
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host = Host.new("EUR")
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ExchangeRate.expects(:find_or_fetch_rate).returns(nil)
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amount, stale, rate_date = host.send(:convert_from_usd, 1000.0, date: Date.new(2026, 3, 28))
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assert_equal 1000.0, amount
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assert_equal true, stale
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assert_nil rate_date
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end
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test "build_stale_extra returns correct hash when stale" do
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host = Host.new("EUR")
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result = host.send(:build_stale_extra, true, Date.new(2026, 3, 25), Date.new(2026, 3, 28))
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assert_equal({ "binance" => { "stale_rate" => true, "rate_date_used" => "2026-03-25", "rate_target_date" => "2026-03-28" } }, result)
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end
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test "build_stale_extra returns cleared hash when not stale" do
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host = Host.new("EUR")
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result = host.send(:build_stale_extra, false, nil, Date.new(2026, 3, 28))
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assert_equal({ "binance" => { "stale_rate" => false } }, result)
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end
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end
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