82 lines
2.5 KiB
Ruby
82 lines
2.5 KiB
Ruby
require File.expand_path('../../test_helper', __FILE__)
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class FormulaTest < ActiveSupport::TestCase
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include BodyTracking::FormulaBuilder
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def setup
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end
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def test_builder_parses_valid_formulas_properly
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# TODO: add tests
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# failing test vectors:
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# - fcall disallowed: "abs(Fats)+Energy < 10"
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vector = [
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# Non-quantity expressions
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'4', Set[], [
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{type: :indexed, content: "4"}
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],
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'3.2', Set[], [
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{type: :indexed, content: "3.2"}
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],
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'4 * 2', Set[], [
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{type: :indexed, content: "4*2"}
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],
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'7.3 * 2.1', Set[], [
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{type: :indexed, content: "7.3*2.1"}
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],
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'7 * 2.1', Set[], [
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{type: :indexed, content: "7*2.1"}
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],
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# Quantity expressions
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'Fats', Set['Fats'], [
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{type: :indexed, content: "quantities['Fats'][_index]"}
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],
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'fats', Set['fats'], [
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{type: :indexed, content: "quantities['fats'][_index]"}
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],
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'2 * Fats', Set['Fats'], [
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{type: :indexed, content: "2*quantities['Fats'][_index]"}
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],
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'4*Proteins + 9*Fats + 4*Carbohydrates', Set['Proteins', 'Fats', 'Carbohydrates'], [
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{type: :indexed, content: "4*quantities['Proteins'][_index]+" \
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"9*quantities['Fats'][_index]+4*quantities['Carbohydrates'][_index]"}
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],
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'Weight * (Fats + 0.2)', Set['Weight', 'Fats'], [
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{type: :indexed, content: "quantities['Weight'][_index]*" \
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"(quantities['Fats'][_index]+0.2)"}
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],
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# Numeric method calls
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'Fats.nil?', Set['Fats'], [
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{type: :indexed, content: "quantities['Fats'][_index].nil?"}
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],
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'((Energy-Calculated)/Energy).abs', Set['Energy', 'Calculated'], [
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{type: :indexed, content: "((quantities['Energy'][_index]-" \
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"quantities['Calculated'][_index])/quantities['Energy'][_index]).abs"}
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],
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# Conditional expressions
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'Fats.nil? || Fats/Proteins > 2', Set['Fats', 'Proteins'], [
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{type: :indexed, content: "quantities['Fats'][_index].nil?||" \
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"quantities['Fats'][_index]/quantities['Proteins'][_index]>2"}
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],
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# Model method calls
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'100*Energy/RM.lastBefore(Meal.eaten_at||Meal.created_at)', Set['Energy', 'RM', 'Meal'],
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# TODO: fill parts
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[]
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]
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d_methods = ['nil?', 'abs']
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vector.each_slice(3) do |formula, identifiers, parts|
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parser = FormulaBuilder.new(formula, d_methods: d_methods)
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i, p = parser.parse
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assert_empty parser.errors
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assert_equal identifiers, i
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assert_equal parts, p
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end
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end
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end
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