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mod_test.ts
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mod_test.ts
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import { assertEquals } from "std/testing/asserts.ts";
import { Color } from "./mod.ts";
Deno.test("Create instance of color through all constuctors", () => {
const _cmyk = Color.cmyk(77, 0, 9, 11);
const _hsl = Color.hsl(173, 76, 89);
const _hsla = Color.hsla(173, 76, 89, 0.5);
const _hsv = Color.hsl(173, 77, 55);
const _hsva = Color.hsla(173, 77, 55, 0.5);
const _hwb = Color.hwb(173, 20, 10);
const _hwba = Color.hwba(173, 20, 10, 0.5);
const _rgb = Color.rgb(52, 227, 207);
const _rgba = Color.rgba(52, 227, 207, 0.5);
});
Deno.test("Test all basic settters", () => {
const cmyk = Color.cmyk(77, 0, 9, 11);
const hsl = Color.hsl(173, 76, 89);
const hsv = Color.hsv(173, 77, 55);
const hwb = Color.hwb(173, 20, 10);
const rgb = Color.rgb(52, 227, 207);
assertEquals(cmyk.setCyan(100).string(), "cmyk(100%, 0%, 9%, 11%)");
assertEquals(cmyk.setMagenta(100).string(), "cmyk(77%, 100%, 9%, 11%)");
assertEquals(cmyk.setYellow(100).string(), "cmyk(77%, 0%, 100%, 11%)");
assertEquals(cmyk.setBlack(100).string(), "cmyk(77%, 0%, 9%, 100%)");
assertEquals(hsl.setHue(100).string(), "hsl(100, 76%, 89%)");
assertEquals(hsl.setSaturation(100).string(), "hsl(173, 100%, 89%)");
assertEquals(hsl.setLightness(100).string(), "hsl(173, 76%, 100%)");
assertEquals(hsv.setValue(100).string(), "hsv(173, 77%, 100%)");
assertEquals(hwb.setWhiteness(100).string(), "hwb(173, 91%, 9%)");
assertEquals(hwb.setBlackness(100).string(), "hwb(173, 17%, 83%)");
assertEquals(rgb.setRed(100).string(), "rgb(100, 227, 207)");
assertEquals(rgb.setGreen(100).string(), "rgb(52, 100, 207)");
assertEquals(rgb.setBlue(100).string(), "rgb(52, 227, 100)");
});
Deno.test("Test color mixing", () => {
const red = Color.rgb(255, 0, 0);
const blue = Color.rgb(0, 0, 255);
assertEquals(red.mix(blue, 0).string(), "rgb(255, 0, 0)");
assertEquals(red.mix(blue, 0.25).string(), "rgb(191, 0, 64)");
assertEquals(red.mix(blue).string(), "rgb(128, 0, 128)");
assertEquals(red.mix(blue, 0.75).string(), "rgb(64, 0, 191)");
assertEquals(red.mix(blue, 1).string(), "rgb(0, 0, 255)");
});
Deno.test("README Heading", () => {
const color = Color.rgb(35, 64, 115);
assertEquals(color.string(), "rgb(35, 64, 115)");
assertEquals(color.cmyk().string(), "cmyk(70%, 44%, 0%, 55%)");
assertEquals(color.hsv().string(), "hsv(218, 70%, 45%)");
assertEquals(color.hex(), "#234073");
});
Deno.test("README Getters", () => {
const color = Color.rgb(255, 255, 255);
assertEquals(color.hsl().string(), "hsl(0, 0%, 100%)");
assertEquals(color.object(), { r: 255, b: 255, g: 255 });
assertEquals(color.rgb().array(), [255, 255, 255]);
assertEquals(color.rgbNumber(), 16777215);
assertEquals(color.hex(), "#ffffff");
assertEquals(color.red(), 255);
assertEquals(color.green(), 255);
assertEquals(color.blue(), 255);
});
Deno.test("README luminosity", () => {
const color = Color.rgb(255, 0, 255);
assertEquals(color.luminosity(), 0.2848);
assertEquals(
Math.round(Color.rgb(255, 255, 255).contrast(Color.rgb(127, 127, 127))),
4,
);
assertEquals(color.isLight(), false);
assertEquals(color.isDark(), true);
});
Deno.test("README manipulation", () => {
const negateColor = Color.rgb(0, 100, 255);
assertEquals(negateColor.negate().string(), "rgb(255, 155, 0)");
const brightnessColor = Color.hsl(100, 50, 50);
const brightnessColor2 = Color.hsl(100, 50, 0);
assertEquals(brightnessColor.lighten(0.5).string(), "hsl(100, 50%, 75%)");
assertEquals(brightnessColor2.lighten(0.5).string(), "hsl(100, 50%, 0%)");
assertEquals(brightnessColor.darken(0.5).string(), "hsl(100, 50%, 25%)");
assertEquals(brightnessColor2.darken(0.5).string(), "hsl(100, 50%, 0%)");
const lightnessColor = Color.hsl(100, 50, 10);
assertEquals(lightnessColor.setLightness(50).string(), "hsl(100, 50%, 50%)");
assertEquals(brightnessColor.saturate(0.5).string(), "hsl(100, 75%, 50%)");
assertEquals(brightnessColor.desaturate(0.5).string(), "hsl(100, 25%, 50%)");
assertEquals(brightnessColor.grayscale().hex(), "#787878");
const fadeColor = Color.rgba(10, 10, 10, 0.8);
assertEquals(fadeColor.fade(0.5).string(), "rgba(10, 10, 10, 0.4)");
assertEquals(fadeColor.opaquer(0.5).string(), "rgba(10, 10, 10, 1)");
const rotateColor = Color.hsl(60, 20, 20);
assertEquals(rotateColor.rotate(180).string(), "hsl(240, 20%, 20%)");
assertEquals(rotateColor.rotate(-90).string(), "hsl(330, 20%, 20%)");
// chaining
const chainColor = Color.rgb(150, 10, 240);
assertEquals(
chainColor.setGreen(100).grayscale().lighten(0.6).string(),
"rgb(260, 260, 260)",
);
});
Deno.test("README Color space conversions", () => {
const color = Color.rgb(255, 0, 0);
assertEquals(color.setBlack(255).string(), "rgb(0, 0, 0)");
assertEquals(color.setHue(200).string(), "rgb(0, 170, 255)");
});
Deno.test("README CSS Strings", () => {
assertEquals(Color.string("#FDA").hex(), "#ffddaa");
assertEquals(
Color.string("rgba(150 120 80 / 0.4)").rgba().string(),
"rgba(150, 120, 80, 0.4)",
);
assertEquals(
Color.string("hsl(180, 10%, 20%)").hsl().string(),
"hsl(180, 10%, 20%)",
);
assertEquals(
Color.string("hsla(180, 10%, 20%, 0.2)").hsla().string(),
"hsla(180, 10%, 20, 0.2)",
);
assertEquals(
Color.string("cmyk(100%, 0%, 0%, 0%)").cmyk().string(),
"cmyk(100%, 0%, 0%, 0%)",
);
assertEquals(
Color.string("hwba(0.5turn 10% 0% / .5)").hwba().string(),
"hwba(180, 10%, 0%, 0.5)",
);
});