frankfurter/spec/provider/adapters/bnm_spec.rb

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2026-05-21 01:38:14 -06:00
# frozen_string_literal: true
require_relative "../../helper"
require "provider/adapters/bnm"
class Provider < Sequel::Model(:providers)
module Adapters
describe BNM do
before do
VCR.insert_cassette("bnm")
end
after do
VCR.eject_cassette
end
let(:adapter) { BNM.new }
it "fetches rates" do
dataset = adapter.fetch(after: Date.new(2026, 3, 1), upto: Date.new(2026, 3, 31))
_(dataset).wont_be_empty
end
it "fetches multiple currencies per date" do
dataset = adapter.fetch(after: Date.new(2026, 3, 1), upto: Date.new(2026, 3, 31))
dates = dataset.map { |r| r[:date] }.uniq
sample = dataset.select { |r| r[:date] == dates.first }
_(sample.size).must_be(:>, 1)
end
it "normalizes rates by unit" do
dataset = adapter.fetch(after: Date.new(2026, 3, 1), upto: Date.new(2026, 3, 31))
jpy = dataset.find { |r| r[:base] == "JPY" }
_(jpy).wont_be_nil
_(jpy[:rate]).must_be(:<, 1)
end
it "fetches net-new currencies" do
dataset = adapter.fetch(after: Date.new(2026, 3, 1), upto: Date.new(2026, 3, 31))
bases = dataset.map { |r| r[:base] }.uniq
["BND", "EGP", "KHR", "MMK", "NPR"].each do |code|
_(bases).must_include(code)
end
end
it "respects upto date" do
dataset = adapter.fetch(after: Date.new(2026, 3, 1), upto: Date.new(2026, 3, 10))
_(dataset.any? { |r| r[:date] > Date.new(2026, 3, 10) }).must_equal(false)
_(dataset.any? { |r| r[:date] <= Date.new(2026, 3, 10) }).must_equal(true)
end
end
end
end