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41 lines
1016 B
Ruby
41 lines
1016 B
Ruby
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# frozen_string_literal: true
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require_relative 'helper'
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require 'currency'
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describe Currency do
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around do |test|
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Currency.db.transaction do
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test.call
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raise Sequel::Rollback
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end
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end
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before do
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Currency.dataset.delete
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@earlier = [
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Currency.create(iso_code: 'EUR', rate: 1, date: '2014-01-01'),
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Currency.create(iso_code: 'USD', rate: 2, date: '2014-01-01')
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]
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@later = [
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Currency.create(iso_code: 'EUR', rate: 1, date: '2015-01-01'),
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Currency.create(iso_code: 'USD', rate: 2, date: '2015-01-01')
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]
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end
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it 'returns latest rates' do
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data = Currency.latest.to_a
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data.sample.date.must_equal @later.sample.date
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end
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it 'returns latest rates before given date' do
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data = Currency.latest(@later.sample.date - 1).to_a
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data.sample.date.must_equal @earlier.sample.date
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end
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it 'returns nothing if there are no rates before given date' do
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data = Currency.latest(@earlier.sample.date - 1).to_a
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data.must_be_empty
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end
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end
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