checkArrayExpectation.js

"use strict";
const fs = require("fs");
const path = require("path");

module.exports = function checkArrayExpectation(testDirectory, object, kind, filename, upperCaseKind, done) {
	if(!done) {
		done = upperCaseKind;
		upperCaseKind = filename;
		filename = `${kind}s`;
	}
	let array = object[`${kind}s`].slice().sort();
	if(kind === "warning") array = array.filter(item => !/from UglifyJs/.test(item));
	if(fs.existsSync(path.join(testDirectory, `${filename}.js`))) {
		const expectedFilename = path.join(testDirectory, `${filename}.js`);
		const expected = require(expectedFilename);
		if(expected.length < array.length)
			return done(new Error(`More ${kind}s while compiling than expected:\n\n${array.join("\n\n")}. Check expected warnings: ${filename}`)), true;
		else if(expected.length > array.length)
			return done(new Error(`Less ${kind}s while compiling than expected:\n\n${array.join("\n\n")}. Check expected warnings: ${filename}`)), true;
		for(let i = 0; i < array.length; i++) {
			if(Array.isArray(expected[i])) {
				for(let j = 0; j < expected[i].length; j++) {
					if(!expected[i][j].test(array[i]))
						return done(new Error(`${upperCaseKind} ${i}: ${array[i]} doesn't match ${expected[i][j].toString()}`)), true;
				}
			} else if(!expected[i].test(array[i]))
				return done(new Error(`${upperCaseKind} ${i}: ${array[i]} doesn't match ${expected[i].toString()}`)), true;
		}
	} else if(array.length > 0) {
		return done(new Error(`${upperCaseKind}s while compiling:\n\n${array.join("\n\n")}`)), true;
	}
}