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Contents
require 'rails_helper'
RSpec.describe Spree::Calculator, type: :model do
class SimpleCalculator < Spree::Calculator
def compute_simple_computable(_line_item)
'computed'
end
end
class SimpleComputable
end
describe "#calculators" do
subject { Spree::Calculator.calculators }
it 'returns the (deprecated) calculator step' do
Spree::Deprecation.silence do
expect(subject).to be_a Spree::Core::Environment::Calculators
end
end
end
context "with computable" do
let(:calculator) { SimpleCalculator.new }
let(:computable) { SimpleComputable.new }
subject { SimpleCalculator.new.compute computable }
it 'calls compute method of class type' do
expect(subject).to eq 'computed'
end
context 'computable does not implement right function name' do
let(:computable) { Spree::LineItem.new }
it 'raises an error' do
expect { subject }.to raise_error NotImplementedError, /Please implement \'compute_line_item\(line_item\)\' in your calculator/
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems