46 lines
1.1 KiB
Ruby
46 lines
1.1 KiB
Ruby
describe OrderItem do
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it 'has a valid factory' do
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order_item = create :order_item
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expect(order_item).to be_valid
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end
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describe 'validations' do
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before :each do
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@order_item = create :order_item
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end
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it 'product should be present' do
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@order_item.product = nil
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expect(@order_item).to_not be_valid
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end
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describe 'count' do
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it 'should be present' do
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@order_item.count = nil
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expect(@order_item).to_not be_valid
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end
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it 'should be positive' do
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@order_item.count = -5
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expect(@order_item).to_not be_valid
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end
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end
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end
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describe 'product stock' do
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before :each do
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@product = create :product
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@count = rand 10
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@order_item = build :order_item, product: @product, count: @count
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end
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it 'should decrement on create' do
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expect{@order_item.save}.to change{@product.stock}.by(-@count)
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end
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it 'should increment on cancel' do
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@order_item.save
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expect{@order_item.cancel}.to change{@product.stock}.by(@count)
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end
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end
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end
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