feat: add playwright exmaple (#37)

* feat: add playwright exmaple

* fix: set headless mode to pass test on travis CI/CD

* chore: add link to playwright example on README.md

* fix: remove unnecessary options that have already default values in mocharc.json

* fix: replace assert.equal() with assert.strictEqual()

- assert.equal() is deprecated since node v10

* fix: modify timeout properly

* fix: update chromedrive version to pass Travis CI

* fix: update package-lock.json for chromedriver latest

* fix: add await and done keyword to complete explicitly async operation

* fix: modify timeout for selenium and vue-puppeteer to pass Travis CI

* fix: apply promise for async operation

* fix: modify timeout value to pass Travis CI

* fix: modify timeout properly

README.md

@@ -20,6 +20,7 @@ A set of examples to help demontrate common configurations using Mocha. They sho
 - [TypeScript, Babel](packages/typescript-babel/)
 - [Express REST API](packages/express-rest-api/)
 - [Node Sqlite 3 example](packages/node-sqlite3/)
+- [Playwright application](packages/playwright/)
 
 ## Adding a new example
 

packages/node-sqlite3/src/index.js

@@ -5,17 +5,39 @@ exports.initDB = function initDB(path) {
 };
 
 exports.createTable = function createTable(db) {
-  return db.run(
-    "CREATE TABLE IF NOT EXISTS user(id integer primary key, name text not null, email text unique)"
-  );
+    return new Promise((resolve, reject)=> {
+        db.run("CREATE TABLE IF NOT EXISTS user(id integer primary key, name text not null, email text unique)", (err)=>{
+            if(err) {
+                reject(err);
+            } else {
+                resolve()
+            }
+        });
+    })
 };
 
 exports.dropTable = function dropTable(db) {
-  return db.run("DROP TABLE IF EXISTS user");
+    return new Promise((resolve, reject) => {
+        db.run("DROP TABLE IF EXISTS user", (err)=> {
+            if(err) {
+                reject(err);
+            } else {
+                resolve();
+            }
+        });
+    })
 };
 
 exports.insertUser = function insertUser(db, name, email) {
-  return db.run(`INSERT INTO user(name, email) VALUES('${name}', '${email}')`);
+    return new Promise((resolve, reject) => {
+        db.run(`INSERT INTO user(name, email) VALUES('${name}', '${email}')`, (err)=> {
+            if(err) {
+                reject(err);
+            } else {
+                resolve();
+            }
+        });
+    })
 };
 
 exports.getUsersByName = function getUsersByName(db, name) {

packages/node-sqlite3/test/index.spec.js

@@ -10,19 +10,20 @@ const {
 
 describe("Sqlite", function () {
   let db;
-  before(() => {
+  before((done) => {
     db = initDB(':memory:');
-    db.serialize(function() {
-      dropTable(db);
-      createTable(db);
+    db.serialize(async function() {
+      await dropTable(db);
+      await createTable(db);
+      done();
     });
   });
 
   it("should insert and fetch a user", async () => {
     const name = "mocha";
     const email = "mocha@test.com";
 
-    insertUser(db, name, email);
+    await insertUser(db, name, email);
     const user = await getUsersByName(db, name);
     assert.deepEqual(user, [{ id: 1, name, email }]);
   });

packages/playwright/.gitignore

@@ -0,0 +1 @@
+node_modules

packages/playwright/README.md

@@ -0,0 +1,7 @@
+# Playwright
+
+Basic example for mocha and playwright(`^1.3.0`)
+
+## Commands
+
+- `npm test` - Run mocha test. Visit [Mocha Page](https://mochajs.org) and assert actual text on Chromium.