84 lines
2.5 KiB
Ruby
84 lines
2.5 KiB
Ruby
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# frozen_string_literal: true
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require_relative "../../helper"
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require "provider/adapters/nb"
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class Provider < Sequel::Model(:providers)
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module Adapters
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describe NB do
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let(:adapter) { NB.new }
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it "fetches rates with date range" do
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dataset = VCR.use_cassette("nb", match_requests_on: [:method, :host]) do
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adapter.fetch(after: Date.new(2026, 3, 16), upto: Date.new(2026, 3, 24))
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end
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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 = VCR.use_cassette("nb", match_requests_on: [:method, :host]) do
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adapter.fetch(after: Date.new(2026, 3, 16), upto: Date.new(2026, 3, 24))
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end
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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 CSV with correct base and quote" do
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csv = <<~CSV
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FREQ,BASE_CUR,QUOTE_CUR,TENOR,TIME_PERIOD,OBS_VALUE,UNIT_MULT
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B,USD,NOK,SP,2026-03-16,10.5432,0
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CSV
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records = adapter.parse(csv)
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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("NOK")
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_(records.first[:rate]).must_equal(10.5432)
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_(records.first[:date]).must_equal(Date.new(2026, 3, 16))
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end
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it "adjusts rate by UNIT_MULT" do
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csv = <<~CSV
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FREQ,BASE_CUR,QUOTE_CUR,TENOR,TIME_PERIOD,OBS_VALUE,UNIT_MULT
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B,JPY,NOK,SP,2026-03-16,7.1234,2
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CSV
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records = adapter.parse(csv)
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_(records.first[:rate]).must_be_close_to(0.071234, 0.000001)
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end
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it "filters non-business-day rows" do
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csv = <<~CSV
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FREQ,BASE_CUR,QUOTE_CUR,TENOR,TIME_PERIOD,OBS_VALUE,UNIT_MULT
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M,USD,NOK,SP,2026-03-16,10.5432,0
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B,EUR,NOK,SP,2026-03-16,11.2345,0
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CSV
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records = adapter.parse(csv)
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_(records.length).must_equal(1)
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_(records.first[:base]).must_equal("EUR")
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end
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it "parses index codes alongside currencies" do
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csv = <<~CSV
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FREQ,BASE_CUR,QUOTE_CUR,TENOR,TIME_PERIOD,OBS_VALUE,UNIT_MULT
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B,I44,NOK,SP,2026-03-16,120.5432,0
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B,TWI,NOK,SP,2026-03-16,115.432,0
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B,USD,NOK,SP,2026-03-16,10.5432,0
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CSV
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# parse keeps all rows; import filters non-currencies via Money::Currency
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records = adapter.parse(csv)
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_(records.length).must_equal(3)
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end
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end
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end
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end
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