105 lines
3.1 KiB
Ruby
105 lines
3.1 KiB
Ruby
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# frozen_string_literal: true
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require_relative "../../helper"
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require "provider/adapters/bnr"
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class Provider < Sequel::Model(:providers)
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module Adapters
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describe BNR do
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before do
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VCR.insert_cassette("bnr", match_requests_on: [:method, :uri])
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end
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after { VCR.eject_cassette }
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let(:adapter) { BNR.new }
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it "fetches rates with date range" do
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dataset = adapter.fetch(after: Date.new(2026, 4, 1), upto: Date.new(2026, 4, 5))
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_(dataset).wont_be_empty
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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, 4, 1), upto: Date.new(2026, 4, 5))
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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 XML correctly" do
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xml = <<~XML
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<?xml version="1.0" encoding="utf-8"?>
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<DataSet xmlns="http://www.bnr.ro/xsd">
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<Header><Publisher>National Bank of Romania</Publisher></Header>
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<Body>
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<Cube date="2026-04-03">
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<Rate currency="EUR">5.0978</Rate>
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<Rate currency="USD">4.4169</Rate>
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<Rate currency="HUF" multiplier="100">1.3229</Rate>
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</Cube>
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</Body>
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</DataSet>
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XML
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records = adapter.parse(xml)
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_(records.length).must_equal(3)
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eur = records.find { |r| r[:base] == "EUR" }
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_(eur[:quote]).must_equal("RON")
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_(eur[:rate]).must_equal(5.0978)
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_(eur[:date]).must_equal(Date.new(2026, 4, 3))
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usd = records.find { |r| r[:base] == "USD" }
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_(usd[:rate]).must_equal(4.4169)
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huf = records.find { |r| r[:base] == "HUF" }
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_(huf[:rate]).must_be_close_to(0.013229, 0.000001)
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end
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it "filters by date range" do
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dataset = adapter.fetch(after: Date.new(2026, 4, 1), upto: Date.new(2026, 4, 3))
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dates = dataset.map { |r| r[:date] }.uniq.sort
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_(dates).must_include(Date.new(2026, 4, 2))
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_(dates).must_include(Date.new(2026, 4, 3))
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dates.each { |d| _(d).must_be(:>, Date.new(2026, 4, 1)) }
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end
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it "normalizes XAU from RON-per-gram to RON-per-troy-ounce" do
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xml = <<~XML
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<?xml version="1.0" encoding="utf-8"?>
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<DataSet xmlns="http://www.bnr.ro/xsd">
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<Header><Publisher>BNR</Publisher></Header>
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<Body>
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<Cube date="2026-04-24">
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<Rate currency="XAU">656.3566</Rate>
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</Cube>
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</Body>
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</DataSet>
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XML
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records = adapter.parse(xml)
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xau = records.find { |r| r[:base] == "XAU" }
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_(xau[:rate]).must_be_close_to(656.3566 * Adapter::GRAMS_PER_TROY_OUNCE, 0.0001)
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end
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it "covers earlier dates in the current year via the yearly archive" do
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dataset = adapter.fetch(after: Date.new(2026, 1, 4), upto: Date.new(2026, 1, 10))
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dates = dataset.map { |r| r[:date] }
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_(dates).wont_be_empty
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_(dates.min).must_be(:<=, Date.new(2026, 1, 10))
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_(dates.min).must_be(:>=, Date.new(2026, 1, 5))
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end
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end
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end
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end
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