mirror of
https://github.com/openfoodfoundation/openfoodnetwork
synced 2026-01-25 20:46:48 +00:00
98 lines
3.0 KiB
Ruby
98 lines
3.0 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe UnitPrice do
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before do
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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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it "returns kg for weight" do
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variant = Spree::Variant.new(variant_unit_scale: 1.0, variant_unit: "weight")
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expect(UnitPrice.new(variant).unit).to eq("kg")
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end
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it "returns L for volume" do
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variant = Spree::Variant.new(variant_unit_scale: 1.0, variant_unit: "volume")
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expect(UnitPrice.new(variant).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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variant = Spree::Variant.new(variant_unit_scale: 453.6, variant_unit: "weight")
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expect(UnitPrice.new(variant).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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variant = Spree::Variant.new(variant_unit_name: nil, variant_unit_scale: nil,
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variant_unit: "items")
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expect(UnitPrice.new(variant).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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variant = Spree::Variant.new(variant_unit_name: "bunch", variant_unit_scale: nil,
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variant_unit: "items")
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expect(UnitPrice.new(variant).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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variant = Spree::Variant.new(variant_unit_scale: 1.0, unit_value: 500,
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variant_unit: "weight")
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expect(UnitPrice.new(variant).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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variant = Spree::Variant.new(variant_unit_scale: 1000, unit_value: 2000,
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variant_unit: "weight")
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expect(UnitPrice.new(variant).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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variant = Spree::Variant.new(variant_unit_scale: 0.001, unit_value: 0.5,
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variant_unit: "volume")
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expect(UnitPrice.new(variant).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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variant = Spree::Variant.new(variant_unit_scale: 453.6, unit_value: 2 * 453.6,
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variant_unit: "weight")
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expect(UnitPrice.new(variant).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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variant = Spree::Variant.new(variant_unit_scale: nil, unit_value: 1, variant_unit: "items")
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expect(UnitPrice.new(variant).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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variant = Spree::Variant.new(variant_unit_scale: nil, unit_value: 2, variant_unit: "items")
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expect(UnitPrice.new(variant).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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