[feat] added tests

.gitignore

@@ -3,5 +3,5 @@
 .DS_Store
 node_modules
 dist
-test
 .package-lock.json
+config

package.json

@@ -5,9 +5,9 @@
   "main": "dist/index.js",
   "scripts": {
     "start": "npx tsdx watch --onSuccess \"node ./dist/index.js\"",
-    "customtest": "npx nodemon test/test.js",
     "build": "npx tsdx build --target node",
     "lint": "npx tsdx lint",
+    "test": "npx tsdx test --watch",
     "prepare": "npx tsdx build --target node",
     "np:publish": "git push origin master && np --no-tests --no-2fa",
     "size": "size-limit",
@@ -16,6 +16,7 @@
   "peerDependencies": {},
   "devDependencies": {
     "@size-limit/preset-small-lib": "^4.10.2",
+    "@types/jest": "^27.0.1",
     "@types/nodemailer": "^6.4.4",
     "babel-runtime": "^6.26.0",
     "nodemon": "^2.0.7",

test/index.test.ts

@@ -0,0 +1,35 @@
+import NmSender from '../src/index';
+import credentials from '../config/credentials';
+
+const nm = new NmSender({
+  host: credentials.EMAIL_SMTP_HOST,
+  password: credentials.EMAIL_SMTP_PASSWORD,
+  user: credentials.EMAIL_SMTP_LOGIN,
+  port: credentials.EMAIL_SMTP_PORT,
+  defaultFromAddress: credentials.EMAIL_DEFAULT_ADDRESS,
+  retryTime: 1, // in SEC
+  maxRetries: 2,
+});
+
+describe('nm-sender', () => {
+  it('Should be able to send email`', async () => {
+    expect.assertions(1);
+    const info = await nm.sendMail({
+      to: credentials.EMAIL_TO_TEST_ADDRESS,
+      subject: 'hey test',
+      text: 'Hello there, email should be fine',
+    });
+
+    expect(info.accepted[0]).toEqual(credentials.EMAIL_TO_TEST_ADDRESS);
+  });
+
+  it('When fails it should retry and gives up', async () => {
+    expect(async () => {
+      await nm.sendMail({
+        to: 'nonexistentinal-email-email@email-asd-asd-asd-asd.com',
+        subject: 'hey test',
+        text: 'Hello there, email should not be sent',
+      });
+    }).rejects.toBeDefined();
+  });
+});