audioshowkit/tests/testcolors.js

/* eslint-disable no-undef */
import { expect } from "chai";
import { describe } from "mocha";
import { cssRgbaToRgba, cssRgbToRgba, rgbaHexToRgba, parseColor, rgbaToHexRgba, rgbHexToRgba } from "../src/mapping/colors.js";

describe("Color utilities", function () {
    describe("the hex to rgba conversion function", function () {
        it("returns 0, 0, 0 and 1 for r, g, b and a given \"#01\"", function () {
            const rgba = rgbaHexToRgba("#01");
            expect(rgba).to.have.ordered.members([0, 0, 0, 1]);
        });

        it("returns 0, 0, 1 and 1 for r, g, b, and a given \"#0101\"", function () {
            const rgba = rgbaHexToRgba("#0101");
            expect(rgba).to.have.ordered.members([0, 0, 1, 1]);
        });

        it("returns 0, 1, 1 and 0 for r, g, b and a given \"#10100\"", function () {
            const rgba = rgbaHexToRgba("#10100");
            expect(rgba).to.have.ordered.members([0, 1, 1, 0]);
        });

        it("returns 255, 0, 0 and 0 for r, g, b and a given \"#FF000000\"", function () {
            const rgba = rgbaHexToRgba("#FF000000");
            expect(rgba).to.have.ordered.members([255, 0, 0, 0]);
        });

        it("returns 255, 255, 0 and 0 for r, g, b and a given \"#FFFF0000\"", function () {
            const rgba = rgbaHexToRgba("#FFFF0000");
            expect(rgba).to.have.ordered.members([255, 255, 0, 0]);
        });
    });

    describe("the hex to rgba conversion function (alpha will always be 255)", function () {
        it("returns 0, 0 and 1 for r, g and b given \"#1\"", function () {
            const rgb = rgbHexToRgba("#1");
            expect(rgb).to.have.ordered.members([0, 0, 1, 255]);
        });
        it("returns 0, 1 and 0 for r, g and b given \"#100\"", function () {
            const rgb = rgbHexToRgba("#100");
            expect(rgb).to.have.ordered.members([0, 1, 0, 255]);
        });
        it("returns 1, 0 and 1 for r, g and b given \"#10001\"", function () {
            const rgb = rgbHexToRgba("#10001");
            expect(rgb).to.have.ordered.members([1, 0, 1, 255]);
        });
    });

    describe("the css rgba function to rgba function", function () {
        it("returns 0, 0, 0 and 1 for r, g, b and a given \"rgba(0,0,0,1)\"", function () {
            const rgba = cssRgbaToRgba("rgba(0,0,0,1)");
            expect(rgba).to.have.ordered.members([0, 0, 0, 1]);
        });

        it("returns 0, 0, 1 and 1 for r, g, b, and a given \"#rgba(0,0,1,1)\"", function () {
            const rgba = cssRgbaToRgba("#rgba(0,0,1,1)");
            expect(rgba).to.have.ordered.members([0, 0, 1, 1]);
        });

        it("returns 0, 1, 1 and 0 for r, g, b and a given \"rgba(0,1,1,0)\"", function () {
            const rgba = cssRgbaToRgba("rgba(0,1,1,0)");
            expect(rgba).to.have.ordered.members([0, 1, 1, 0]);
        });

        it("returns 255, 0, 0 and 0 for r, g, b and a given \"rgba(255,0,0,0)\"", function () {
            const rgba = cssRgbaToRgba("rgba(255,0,0,0)");
            expect(rgba).to.have.ordered.members([255, 0, 0, 0]);
        });
    });

    describe("the css rgb function to rgba function (alpha will always be 255)", function () {
        it("returns 0, 0 and 1 for r, g and b given \"rgb(0,0,1)\"", function () {
            const rgba = cssRgbToRgba("rgb(0,0,1)");
            expect(rgba).to.have.ordered.members([0, 0, 1, 255]);
        });

        it("returns 0, 1 and 1 for r, g and b given \"#rgb(0,1,0)\"", function () {
            const rgba = cssRgbToRgba("#rgb(0,1,0)");
            expect(rgba).to.have.ordered.members([0, 1, 0, 255]);
        });

        it("returns 1, 1 and 1 for r, g and b given \"rgb(1,1,1)\"", function () {
            const rgba = cssRgbToRgba("rgb(1,1,1)");
            expect(rgba).to.have.ordered.members([1, 1, 1, 255]);
        });
    });

    describe("The function to convert r, g, b, and a represented as an array to hexadecimals", function () {
        it("Returns #00000001 when given an array of [0, 0, 0, 1]", function () {
            const hex = rgbaToHexRgba([0, 0, 0, 1]);
            expect(hex).to.equal("#00000001");
        });
        it("Returns #00000100 when given an array of [0, 0, 1, 0]", function () {
            const hex = rgbaToHexRgba([0, 0, 1, 0]);
            expect(hex).to.equal("#00000100");
        });
        it("Returns #00010000 when given an array of [0, 1, 0, 0]", function () {
            const hex = rgbaToHexRgba([0, 1, 0, 0]);
            expect(hex).to.equal("#00010000");
        });
        it("Returns #01000000 when given an array of [1, 0, 0, 0]", function () {
            const hex = rgbaToHexRgba([1, 0, 0, 0]);
            expect(hex).to.equal("#01000000");
        });
    });

    describe("The function that automatically converts a string containing an rgb(a) value to an rgba array.", function () {
        it("returns 1, 1, 1 and 1 for r, g, b and a given \"rgba(1,1,1,1)\"", function () {
            const rgba = parseColor("rgba(1,1,1,1)");
            expect(rgba).to.have.ordered.members([1, 1, 1, 1]);
        });
        it("returns 0, 1, 0 and 1 for r, g, b and a given \"#00010001\"", function () {
            const rgb = parseColor("#00010001");
            expect(rgb).to.have.ordered.members([0, 1, 0, 1]);
        });
        it("returns 1, 0, 1 and 255 for r, g, b and a given \"#10001\"", function () {
            const rgb = parseColor("#10001");
            expect(rgb).to.have.ordered.members([1, 0, 1, 255]);
        });
        it("returns 1, 1, 1 and 255 for r, g, b and a given \"rgb(1,1,1)\"", function () {
            const rgba = parseColor("rgb(1,1,1)");
            expect(rgba).to.have.ordered.members([1, 1, 1, 255]);
        });
    });


});