96 lines
2.6 KiB
Ruby
96 lines
2.6 KiB
Ruby
# frozen_string_literal: true
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require_relative "../../helper"
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require "provider/adapters/cnb"
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class Provider < Sequel::Model(:providers)
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module Adapters
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describe CNB do
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before do
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VCR.insert_cassette("cnb", match_requests_on: [:method, :host])
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end
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after { VCR.eject_cassette }
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let(:adapter) { CNB.new }
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it "fetches rates with date range" do
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dataset = adapter.fetch(after: Date.new(2026, 3, 16), upto: Date.new(2026, 3, 20))
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dates = dataset.map { |r| r[:date] }.uniq
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_(dates.length).must_be(:>=, 3)
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end
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it "fetches multiple currencies per date" do
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dataset = adapter.fetch(after: Date.new(2026, 3, 16), upto: Date.new(2026, 3, 20))
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dates = dataset.map { |r| r[:date] }.uniq
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sample = dataset.select { |r| r[:date] == dates.first }
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_(sample.size).must_be(:>, 1)
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end
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it "parses JSON with correct base and quote" do
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json = {
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"rates" => [
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{ "validFor" => "2026-03-17", "currencyCode" => "USD", "amount" => 1, "rate" => 22.5 },
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],
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}
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records = adapter.parse(json)
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_(records.length).must_equal(1)
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_(records.first[:base]).must_equal("USD")
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_(records.first[:quote]).must_equal("CZK")
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_(records.first[:rate]).must_equal(22.5)
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_(records.first[:date]).must_equal(Date.new(2026, 3, 17))
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end
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it "normalizes rates by amount" do
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json = {
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"rates" => [
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{ "validFor" => "2026-03-17", "currencyCode" => "HUF", "amount" => 100, "rate" => 6.246 },
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],
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}
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records = adapter.parse(json)
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_(records.first[:rate]).must_be_close_to(0.06246, 0.00001)
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end
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it "normalizes rates with amount 1000" do
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json = {
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"rates" => [
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{ "validFor" => "2026-03-17", "currencyCode" => "IDR", "amount" => 1000, "rate" => 1.256 },
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],
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}
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records = adapter.parse(json)
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_(records.first[:rate]).must_be_close_to(0.001256, 0.000001)
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end
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it "skips records with zero rate" do
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json = {
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"rates" => [
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{ "validFor" => "2026-03-17", "currencyCode" => "USD", "amount" => 1, "rate" => 0 },
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],
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}
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records = adapter.parse(json)
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_(records).must_be_empty
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end
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it "raises on malformed dates" do
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json = {
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"rates" => [
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{ "validFor" => "not-a-date", "currencyCode" => "USD", "amount" => 1, "rate" => 22.5 },
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],
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}
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_(-> { adapter.parse(json) }).must_raise(Date::Error)
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end
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end
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end
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end
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