markdown/test/index.test.js

const expect = require("chai").expect;
const Parse = require("../lib/index");
const ASTtoMarkdown = require("../lib/compileASTtoMarkdown");

describe("Parser Checks", function () {
	it("Bold Test", function () {
		expect(Parse("**bold**")).to.eql([
			{
				type: "bold",
				children: ["bold"],
			},
		]);
	});

	it("Strikethrough Test", function () {
		expect(Parse("~~strikethrough~~")).to.eql([
			{
				type: "strikethrough",
				children: ["strikethrough"],
			},
		]);
	});

	it("Italics Test", function () {
		expect(Parse("_italics_")).to.eql([
			{
				type: "italics",
				children: ["italics"],
			},
		]);
	});

	it("Underline Test", function () {
		expect(Parse("==Underline==")).to.eql([
			{
				type: "underline",
				children: ["Underline"],
			},
		]);
	});

	it("url Test", function () {
		expect(Parse("[The Feathers](feathers.studio)")).to.eql([
			{
				type: "url",
				children: ["The Feathers"],
				url: "feathers.studio",
			},
		]);
	});

	it("Bold text inside the Bold text", function () {
		expect(Parse("**Outer**InnerBold**Bold**")).to.eql([
			{ type: "bold", children: ["Outer"] },
			{ type: "text", children: ["InnerBold"] },
			{ type: "bold", children: ["Bold"] },
		]);
	});

	it("Nested Check 1", function () {
		expect(
			Parse(
				"**Bold_Italics~~strikethrough==underline==strikethrough~~Italics_Bold**",
			),
		).to.eql([
			{
				type: "bold",
				children: [
					"Bold",
					{
						type: "italics",
						children: [
							"Italics",
							{
								type: "strikethrough",
								children: [
									"strikethrough",
									{ type: "underline", children: ["underline"] },
									"strikethrough",
								],
							},
							"Italics",
						],
					},
					"Bold",
				],
			},
		]);
	});

	it("AST -> Markdown -> AST", function () {
		const input = [
			{ type: "bold", children: ["Sunset"] },
			{ type: "text", children: [" is the time of day when our "] },
			{
				type: "underline",
				children: ["sky meets the outer space solar winds"],
			},
			{ type: "text", children: [". There are "] },
			{ type: "italics", children: ["blue"] },
			{ type: "text", children: [", "] },
			{ type: "italics", children: ["pink"] },
			{ type: "text", children: [", and "] },
			{ type: "italics", children: ["purple"] },
			{
				type: "text",
				children: [" swirls, spinning and twisting, like "],
			},
			{
				type: "underline",
				children: ["clouds of balloons caught in a whirlwind"],
			},
			{
				type: "text",
				children: [
					". The sun moves slowly to hide behind the line of horizon, while the moon races to take its place in prominence atop the night sky. People slow to a crawl, entranced, fully forgetting the deeds that must still be done. ",
				],
			},
			{
				type: "italics",
				children: [
					{
						type: "underline",
						children: [
							{
								type: "bold",
								children: [
									"There is a coolness, a calmness, when the sun does set",
								],
							},
						],
					},
				],
			},
			{ type: "text", children: ["."] },
		];
		expect(Parse(ASTtoMarkdown(input))).to.deep.equal(input);
	});
});