frankfurter/spec/quote/interval_spec.rb

103 lines
2.5 KiB
Ruby

# frozen_string_literal: true
require_relative "../helper"
require "quote/interval"
module Quote
describe Interval do
let(:dates) do
(Date.parse("2010-01-01")..Date.parse("2010-12-31"))
end
let(:quote) do
Interval.new(date: dates)
end
before do
quote.perform
end
it "returns rates" do
_(quote.formatted[:rates]).wont_be(:empty?)
end
it "quotes given date interval" do
returned_start = Date.parse(quote.formatted[:start_date])
returned_end = Date.parse(quote.formatted[:end_date])
# The returned start date should be the closest working day (before or on) the requested start
_(returned_start).must_be(:<=, dates.first)
# But it shouldn't be too far back (maybe 10 business days)
_(returned_start).must_be(:>, dates.first - 10)
# End date should still be within the requested range
_(returned_end).must_be(:<=, dates.last)
end
it "quotes against the Euro" do
quote.formatted[:rates].each_value do |rates|
_(rates.keys).wont_include("EUR")
end
end
it "sorts rates" do
quote.formatted[:rates].each_value do |rates|
_(rates.keys).must_equal(rates.keys.sort)
end
end
it "has a cache key" do
_(quote.cache_key).wont_be(:empty?)
end
describe "given a new base" do
let(:quote) do
Interval.new(date: dates, base: "USD")
end
it "quotes against that base" do
quote.formatted[:rates].each_value do |rates|
_(rates.keys).wont_include("USD")
end
end
it "sorts rates" do
quote.formatted[:rates].each_value do |rates|
_(rates.keys).must_equal(rates.keys.sort)
end
end
end
describe "given symbols" do
let(:quote) do
Interval.new(date: dates, symbols: ["USD", "GBP", "JPY"])
end
it "quotes only for those symbols" do
quote.formatted[:rates].each_value do |rates|
_(rates.keys).must_include("USD")
_(rates.keys).wont_include("CAD")
end
end
it "sorts rates" do
quote.formatted[:rates].each_value do |rates|
_(rates.keys).must_equal(rates.keys.sort)
end
end
end
describe "when given an amount" do
let(:quote) do
Interval.new(date: dates, amount: 100)
end
it "calculates quotes for that amount" do
quote.formatted[:rates].each_value do |rates|
_(rates["USD"]).must_be(:>, 10)
end
end
end
end
end