91 lines
2.3 KiB
Ruby
91 lines
2.3 KiB
Ruby
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# frozen_string_literal: true
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require_relative "../../helper"
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require "provider/adapters/dnb"
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class Provider < Sequel::Model(:providers)
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module Adapters
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describe DNB do
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before do
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VCR.insert_cassette("dnb", match_requests_on: [:method, :host])
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end
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after { VCR.eject_cassette }
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let(:adapter) { DNB.new }
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it "fetches rates with date range" do
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dataset = adapter.fetch(after: Date.new(2025, 3, 3), upto: Date.new(2025, 3, 7))
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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(2025, 3, 3), upto: Date.new(2025, 3, 7))
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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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VALUTA;KURTYP;TID;INDHOLD
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USD;KBH;2025M03D03;712.6900
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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("DKK")
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_(records.first[:rate]).must_be_close_to(7.1269, 0.0001)
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_(records.first[:date]).must_equal(Date.new(2025, 3, 3))
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end
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it "divides rate by 100 to normalize per-unit" do
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csv = <<~CSV
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VALUTA;KURTYP;TID;INDHOLD
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EUR;KBH;2025M03D03;745.8300
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CSV
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records = adapter.parse(csv)
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_(records.first[:rate]).must_be_close_to(7.4583, 0.0001)
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end
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it "skips missing values marked as .." do
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csv = <<~CSV
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VALUTA;KURTYP;TID;INDHOLD
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DEM;KBH;1977M01D03;..
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CSV
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records = adapter.parse(csv)
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_(records).must_be_empty
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end
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it "skips records with zero rate" do
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csv = <<~CSV
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VALUTA;KURTYP;TID;INDHOLD
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USD;KBH;2025M03D03;0.0000
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CSV
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records = adapter.parse(csv)
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_(records).must_be_empty
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end
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it "handles BOM in CSV" do
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csv = "\xEF\xBB\xBFVALUTA;KURTYP;TID;INDHOLD\nUSD;KBH;2025M03D03;712.6900\n"
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records = adapter.parse(csv)
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_(records.length).must_equal(1)
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end
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end
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end
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end
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