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// small database with nutrition facts, per 100 grams |
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// prettier-ignore |
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const nutritionDB = { |
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tomato: { calories: 18, protein: 0.9, carbs: 3.9, sugar: 2.6, fiber: 1.2, fat: 0.2 }, |
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vinegar: { calories: 20, protein: 0.04, carbs: 0.6, sugar: 0.4, fiber: 0, fat: 0 }, |
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oil: { calories: 48, protein: 0, carbs: 0, sugar: 123, fiber: 0, fat: 151 }, |
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onion: { calories: 0, protein: 1, carbs: 9, sugar: 0, fiber: 0, fat: 0 }, |
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garlic: { calories: 149, protein: 6.4, carbs: 33, sugar: 1, fiber: 2.1, fat: 0.5 }, |
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paprika: { calories: 282, protein: 14.14, carbs: 53.99, sugar: 1, fiber: 0, fat: 12.89 }, |
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sugar: { calories: 387, protein: 0, carbs: 100, sugar: 100, fiber: 0, fat: 0 }, |
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orange: { calories: 49, protein: 0.9, carbs: 13, sugar: 12, fiber: 0.2, fat: 0.1 }, |
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} |
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// /*/ // ⚡ |
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export const tests = [] |
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const t = (f) => tests.push(f) |
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// filter keys |
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t(({ eq, ctx }) => |
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eq( |
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filterKeys(ctx.cart, (k) => k.length <= 6), |
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ctx.filtered, |
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), |
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) |
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t(({ eq, ctx }) => |
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eq( |
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filterKeys(ctx.cart, (k) => /onion/.test(k)), |
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{ onion: 200 }, |
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), |
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) |
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// map keys |
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t(({ eq, ctx }) => |
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eq( |
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mapKeys(ctx.cart, (k) => `✔️${k}`), |
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ctx.mapped, |
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), |
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) |
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t(({ eq, ctx }) => |
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eq( |
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mapKeys( |
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filterKeys(ctx.cart, (k) => k === 'onion'), |
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(k) => (k = 'orange'), |
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), |
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{ orange: 200 }, |
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), |
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) |
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t(({ eq, ctx }) => |
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eq( |
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mapKeys( |
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filterKeys(nutritionDB, (k) => k === 'tomato'), |
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(k) => `${k}DB`, |
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), |
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ctx.combo, |
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), |
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) |
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// reduce keys |
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t(({ eq, ctx }) => |
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eq( |
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reduceKeys(ctx.cart, (acc, cr) => acc.concat(', ', cr)), |
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'vinegar, sugar, oil, onion, garlic, paprika', |
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), |
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) |
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t(({ eq, ctx }) => |
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eq( |
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reduceKeys(ctx.cart, (acc, cr) => `${acc}${cr}:`, ':'), |
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':vinegar:sugar:oil:onion:garlic:paprika:', |
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), |
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) |
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const join = (acc, cr) => (acc == null ? cr : `${acc}:${cr}`) |
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t(({ eq, ctx }) => |
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eq( |
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reduceKeys(nutritionDB, join, null), |
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'tomato:vinegar:oil:onion:garlic:paprika:sugar:orange', |
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), |
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) |
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t(({ eq, ctx }) => |
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eq( |
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reduceKeys(ctx.cart, join, undefined), |
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'vinegar:sugar:oil:onion:garlic:paprika', |
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), |
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) |
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t(({ eq, ctx }) => |
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eq( |
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reduceKeys(ctx.cart, (acc, cr) => (acc += (cr.length <= 4) & 1), 0), |
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1, |
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), |
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) |
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Object.freeze(tests) |
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export const setup = () => ({ |
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cart: { |
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vinegar: 80, |
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sugar: 100, |
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oil: 50, |
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onion: 200, |
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garlic: 22, |
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paprika: 4, |
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}, |
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filtered: { sugar: 100, oil: 50, onion: 200, garlic: 22 }, |
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mapped: { |
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'✔️vinegar': 80, |
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'✔️sugar': 100, |
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'✔️oil': 50, |
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'✔️onion': 200, |
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'✔️garlic': 22, |
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'✔️paprika': 4, |
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}, |
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combo: { |
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tomatoDB: { |
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calories: 18, |
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protein: 0.9, |
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carbs: 3.9, |
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sugar: 2.6, |
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fiber: 1.2, |
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fat: 0.2, |
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}, |
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}, |
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})
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