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32 lines
716 B
Ruby
32 lines
716 B
Ruby
require_relative 'helper'
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require 'snapshot'
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describe 'when rebased to a new base' do
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let(:new_base) { 'USD' }
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let(:snapshot) { Snapshot.new 'a date' }
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let(:rates) { { new_base => 1.2781 } }
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let(:rebased_hash) do
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snapshot.stub :rates, rates do
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snapshot
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.with_base(new_base)
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.to_hash
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end
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end
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it 'resets base' do
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rebased_hash[:base].must_equal new_base
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end
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it 'adds former base to rates' do
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rebased_hash[:rates].keys.must_include Snapshot::DEFAULT_BASE
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end
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it 'removes new base from rates' do
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rebased_hash[:rates].keys.wont_include new_base
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end
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it 'rebases rates' do
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rebased_hash[:rates][Snapshot::DEFAULT_BASE].must_equal 0.7824
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end
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end
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