tests ~ add integration tests

package.json

@@ -57,6 +57,7 @@
 		"ava": "^1.4.1",
 		"codecov": "^3.5.0",
 		"coveralls": "^3.0.5",
+		"cross-spawn": "^6.0.5",
 		"cspell": "^3.2.14",
 		"echo-cli": "^1.0.8",
 		"eslint": "^5.16.0",

test/integration.test.js

@@ -0,0 +1,50 @@
+/* eslint-env es6, node */
+// spell-checker:ignore (modules) execa
+'use strict';
+
+const fs = require('fs');
+const path = require('path');
+
+const test = require('ava');
+const spawn = require('cross-spawn');
+
+const module_ = require('../src/lib');
+
+// Integration tests
+
+test('api', t => {
+	const paths = module_;
+	const api = ['home', 'temp'];
+
+	t.is(typeof paths, 'function');
+	t.is(Object.keys(paths).length, api.length);
+	api.forEach(key => {
+		t.is(typeof paths[key], 'function');
+	});
+});
+
+test('examples are executable without error (JavaScript)', t => {
+	const egDirPath = 'eg';
+	const extensions = ['.js', '.cjs', '.mjs'];
+
+	const files = fs.readdirSync(egDirPath);
+
+	files
+		.filter(file => {
+			return extensions.includes(path.extname(file));
+		})
+		.forEach(file => {
+			const command = 'node';
+			const script = path.join(egDirPath, file);
+			const args = [script];
+			const options = {shell: true, encoding: 'utf8'};
+
+			t.log({script});
+
+			const {error, status, stdout} = spawn.sync(command, args, options);
+
+			t.log({error, status, stdout});
+
+			t.deepEqual({error, status}, {error: null, status: 0});
+		});
+});