48 lines
1.5 KiB
Ruby
48 lines
1.5 KiB
Ruby
require 'rails_helper'
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RSpec.describe RecipeIngredient, type: :model do
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describe '#can_convert_to_grams' do
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it 'returns false if no quantity or unit' do
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ri = RecipeIngredient.new
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expect(ri.can_convert_to_grams?).to be_falsey
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end
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it 'returns false if no quantity' do
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ri = RecipeIngredient.new(units: 'lbs')
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expect(ri.can_convert_to_grams?).to be_falsey
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end
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it 'returns false if no units' do
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ri = RecipeIngredient.new(quantity: '5 1/2')
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expect(ri.can_convert_to_grams?).to be_falsey
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end
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it 'returns false if weird units' do
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ri = RecipeIngredient.new(quantity: '5 1/2', units: 'dogs')
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expect(ri.can_convert_to_grams?).to be_falsey
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end
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it 'returns true if unit is mass' do
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ri = RecipeIngredient.new(quantity: '5 1/2', units: 'lbs')
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expect(ri.can_convert_to_grams?).to be_truthy
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end
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it 'returns false if unit is volume and there is no ingredient' do
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ri = RecipeIngredient.new(quantity: '5 1/2', units: 'cups')
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expect(ri.can_convert_to_grams?).to be_falsey
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end
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it 'returns false if unit is volume and ingredient has no density' do
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ri = RecipeIngredient.new(quantity: '5 1/2', units: 'cups', ingredient: create(:ingredient))
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expect(ri.can_convert_to_grams?).to be_falsey
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end
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it 'returns false if unit is volume and ingredient has density' do
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ri = RecipeIngredient.new(quantity: '5 1/2', units: 'cups', ingredient: create(:ingredient_with_density))
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expect(ri.can_convert_to_grams?).to be_truthy
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end
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end
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end
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