test: add additional tests

test/unit/BankLetterTest.js

@@ -0,0 +1,49 @@
+'use strict';
+
+/* eslint-env node, mocha */
+
+const { assert } = require('chai');
+const { join, resolve } = require('path');
+const { readFileSync, mkdirSync, existsSync } = require('fs');
+
+
+const BankLetter = require('../../lib/BankLetter');
+const ebics = require('../../');
+
+const client = new ebics.Client({
+	url: 'https://iso20022test.credit-suisse.com/ebicsweb/ebicsweb',
+	partnerId: 'CRS04381',
+	userId: 'CRS04381',
+	hostId: 'CRSISOTB',
+	passphrase: 'test',
+	keyStorage: ebics.fsKeysStorage(resolve(__dirname, '../support/TEST_KEYS.key')),
+});
+
+const createDir = (where) => {
+	try {
+		mkdirSync(where);
+	} catch (e) {
+		if (e.code !== 'EEXIST')
+			throw e;
+	}
+};
+
+describe('BankLetter', () => {
+	let bankLetterGenerator = null;
+
+	it('creates an instance', () => assert.doesNotThrow(() => {
+		bankLetterGenerator = new BankLetter({
+			client,
+			bankName: 'Credit Suisse AG',
+			template: readFileSync(join(__dirname, '../../templates/ini_de.hbs'), { encoding: 'utf8' }),
+		});
+	}));
+
+	it('genrates a letter', async () => assert.doesNotThrow(async () => bankLetterGenerator.generate()));
+	it('throws with invalid serliazitaion path', async () => bankLetterGenerator.serialize('').catch(e => assert.instanceOf(e, Error)));
+	it('serliaziers a letter to disk', async () => {
+		createDir('.test_tmp');
+		await bankLetterGenerator.serialize('.test_tmp/test_letter.html').then(t => assert.equal(t, true));
+		assert.equal(existsSync('.test_tmp/test_letter.html'), true);
+	});
+});