mirror of
https://github.com/openfoodfoundation/openfoodnetwork
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91cb3df215
And mock the preference value, rather than setting it. Before, the set preference could have leaked to other tests. (I noticed that it was already like this in product_import_spec.rb)
107 lines
3.3 KiB
Ruby
107 lines
3.3 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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describe UnitPrice do
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subject { UnitPrice.new(variant) }
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let(:variant) { Spree::Variant.new }
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let(:product) { instance_double(Spree::Product) }
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before do
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allow(variant).to receive(:product) { product }
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allow(Spree::Config).to receive(:available_units).and_return("g,lb,oz,kg,T,mL,L,kL")
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end
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describe "#unit" do
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context "metric" do
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before do
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allow(product).to receive(:variant_unit_scale) { 1.0 }
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end
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it "returns kg for weight" do
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allow(product).to receive(:variant_unit) { "weight" }
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expect(subject.unit).to eq("kg")
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end
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it "returns L for volume" do
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allow(product).to receive(:variant_unit) { "volume" }
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expect(subject.unit).to eq("L")
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end
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end
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context "imperial" do
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it "returns lbs" do
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allow(product).to receive(:variant_unit_scale) { 453.6 }
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allow(product).to receive(:variant_unit) { "weight" }
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expect(subject.unit).to eq("lb")
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end
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end
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context "items" do
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it "returns items if no unit is specified" do
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allow(product).to receive(:variant_unit_name) { nil }
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allow(product).to receive(:variant_unit_scale) { nil }
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allow(product).to receive(:variant_unit) { "items" }
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expect(subject.unit).to eq("Item")
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end
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it "returns the unit if a unit is specified" do
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allow(product).to receive(:variant_unit_name) { "bunch" }
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allow(product).to receive(:variant_unit_scale) { nil }
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allow(product).to receive(:variant_unit) { "items" }
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expect(subject.unit).to eq("bunch")
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end
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end
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end
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describe "#denominator" do
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context "metric" do
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it "returns 0.5 for a 500g variant" do
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allow(product).to receive(:variant_unit_scale) { 1.0 }
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allow(product).to receive(:variant_unit) { "weight" }
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variant.unit_value = 500
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expect(subject.denominator).to eq(0.5)
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end
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it "returns 2 for a 2kg variant" do
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allow(product).to receive(:variant_unit_scale) { 1000 }
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allow(product).to receive(:variant_unit) { "weight" }
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variant.unit_value = 2000
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expect(subject.denominator).to eq(2)
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end
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it "returns 0.5 for a 500mL variant" do
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allow(product).to receive(:variant_unit_scale) { 0.001 }
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allow(product).to receive(:variant_unit) { "volume" }
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variant.unit_value = 0.5
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expect(subject.denominator).to eq(0.5)
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end
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end
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context "imperial" do
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it "returns 2 for a 2 pound variant" do
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allow(product).to receive(:variant_unit_scale) { 453.6 }
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allow(product).to receive(:variant_unit) { "weight" }
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variant.unit_value = 2 * 453.6
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expect(subject.denominator).to eq(2)
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end
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end
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context "items" do
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it "returns 1 if no unit is specified" do
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allow(product).to receive(:variant_unit_scale) { nil }
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allow(product).to receive(:variant_unit) { "items" }
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variant.unit_value = 1
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expect(subject.denominator).to eq(1)
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end
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it "returns 2 for multi-item units" do
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allow(product).to receive(:variant_unit_scale) { nil }
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allow(product).to receive(:variant_unit) { "items" }
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variant.unit_value = 2
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expect(subject.denominator).to eq(2)
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end
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end
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end
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end
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