81 lines
2.4 KiB
Ruby
81 lines
2.4 KiB
Ruby
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# frozen_string_literal: true
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require_relative "../../helper"
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require "provider/adapters/cbu"
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class Provider < Sequel::Model(:providers)
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module Adapters
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describe CBU do
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before do
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VCR.insert_cassette("cbu", match_requests_on: [:method, :host])
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end
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after { VCR.eject_cassette }
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let(:adapter) { CBU.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, 3))
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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, 3))
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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 correctly" do
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json = <<~JSON
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[
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{"id":69,"Code":"840","Ccy":"USD","CcyNm_EN":"US Dollar","Nominal":"1","Rate":"12194.21","Diff":"-16.5","Date":"01.04.2026"},
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{"id":21,"Code":"978","Ccy":"EUR","CcyNm_EN":"Euro","Nominal":"1","Rate":"13984.32","Diff":"-51.89","Date":"01.04.2026"}
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]
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JSON
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records = adapter.parse(json)
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_(records.length).must_equal(2)
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_(records.first[:base]).must_equal("USD")
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_(records.first[:quote]).must_equal("UZS")
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_(records.first[:rate]).must_be_close_to(12194.21, 0.01)
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end
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it "normalizes rate by nominal" do
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json = <<~JSON
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[{"id":1,"Code":"360","Ccy":"IDR","CcyNm_EN":"Indonesian Rupiah","Nominal":"10","Rate":"7.18","Diff":"0","Date":"01.04.2026"}]
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JSON
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records = adapter.parse(json)
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_(records.first[:rate]).must_be_close_to(0.718, 0.001)
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end
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it "skips zero rates" do
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json = <<~JSON
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[{"id":1,"Code":"840","Ccy":"USD","CcyNm_EN":"US Dollar","Nominal":"1","Rate":"0","Diff":"0","Date":"01.04.2026"}]
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JSON
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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 "skips invalid currency codes" do
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json = <<~JSON
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[{"id":1,"Code":"999","Ccy":"XX","CcyNm_EN":"Invalid","Nominal":"1","Rate":"1.5","Diff":"0","Date":"01.04.2026"}]
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JSON
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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 "handles empty response" do
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records = adapter.parse("[]")
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_(records).must_be_empty
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end
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end
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end
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end
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