03. Recipe Selection

const recipeSelection = require('./recipeSelection');
const assert = require('chai').assert;
const expect = require('chai').expect;

describe("Tests recipeSelection functionallity", function () {

    describe("Test isTypeSuitable functionallity", function () {
        it("Validate input", function () {
            expect(() => { recipeSelection.isTypeSuitable("Vegetarian", 2) }).to.throw('Invalid input');
        });
        it("If the dietaryRestriction is 'Vegetarian' and the type is 'Meat'", function () {
            assert.equal(recipeSelection.isTypeSuitable("Meat", "Vegetarian"), "This recipe is not suitable for vegetarians");
        });
        it("If the dietaryRestriction is 'Vegan' and the type is either 'Meat' or 'Dairy'", function () {
            assert.equal(recipeSelection.isTypeSuitable("Meat", "Vegan"), "This recipe is not suitable for vegans");
            assert.equal(recipeSelection.isTypeSuitable("Dairy", "Vegan"), "This recipe is not suitable for vegans");
        });
        it("In any other case if the two params are strings", function () {
            assert.equal(recipeSelection.isTypeSuitable('Meat', 'Person'), "This recipe is suitable for your dietary restriction");
        })
    });

    describe("Test isItAffordable functionallity", function () {
        it("Validate input", function () {
            expect(() => { recipeSelection.isItAffordable('price', 'budget') }).to.throw('Invalid input');
        });
        it("If the remaining budget is less than 0", function () {
            assert.equal(recipeSelection.isItAffordable(10, 5), "You don't have enough budget to afford this recipe");
        });
        it("If the remainin budget is more or equal to 0", function () {
            assert.equal(recipeSelection.isItAffordable(10, 10), "Recipe ingredients bought. You have 0$ left");
        });
    });

    describe("Test getRecipesByCategory functionallity", function () {
        it("Validate input", function () {
            expect(() => { recipeSelection.getRecipesByCategory([{ title: " Spicy Tofu Stir-Fry ", category: " Asian " }, { title: "Spaghetti", category: "Italian" }], 2) }).to.throw('Invalid input');
            expect(() => { recipeSelection.getRecipesByCategory({}, 'Italian') }).to.throw('Invalid input');
        });
        it("Extract the array of titles", function () {
            assert(recipeSelection.getRecipesByCategory([{ title: " Spicy Tofu Stir-Fry ", category: " Asian " }, { title: "Spaghetti", category: "Italian" }, { title: "Pizza", category: "Italian" } ], 'Italian'), ['Spaghetti', 'Pizza']);
        });
    });
});