p5js-cli.test.js

const path = require("path");
const exec = require("child_process").exec;
const sketchName = require("uuid").v4();

describe("create new sketch", () => {
    test("create successfully.", async () => {
        const result = await cli(["new", sketchName], "/tmp");
        expect(result.code).toBe(0);
    });
    test("failed when exists.", async () => {
        const result = await cli(["new", sketchName], "/tmp");
        expect(result.code).toBe(1);
    });
});

function cli(args, cwd) {
    return new Promise((resolve) => {
        exec(
            `node ${path.resolve("./p5js-cli")} ${args.join(" ")}`,
            { cwd },
            (error, stdout, stderr) => {
                resolve({
                    code: error && error.code ? error.code : 0,
                    error,
                    stdout,
                    stderr,
                });
            }
        );
    });
}