Testing JavaScript Applications

Jul 2, 2017Download as pptx, pdf

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This slide goes from an introduction to general software testing down to testing of javascript application, explaining why test, when to test and what to test in an application. Mocha framework was used to explain how testing works in JS. Talk Presented at #forLoopKaduna Meetup on July 1st, 2017

Testing JavaScript
Applications
What? Why? How?

Hello!
Auwal Muhammad Samu
Software Engineer,@intapps
Community Manager, GDG Lafia
Tweets: @auwalms_
Other Socials: @auwalms
Mails: auwalforall@gmail.com

“
Testing is the process of evaluating a
system or its component(s) with the intent
to find whether it satisfies the specified
requirements or not.

Most read

“
A process of analyzing a software item to
detect the differences between existing and
required conditions (that is
defects/errors/bugs) and to evaluate the
features of the software item.
- ANSI/IEEE 1059 standard

Write Test so as to:
◉spend less debugging time and
save cost
◉ship less buggy codes
◉ensure user requirement are met
◉identify errors and gaps

Writing Tests depends on:
◉what the test is expected to
achieve
◉the level and depth of the test
expectation
◉Non-Functional Testing
◉Functional Testing

Image Source:
http://testwithbest.blogspot.com.ng/p/
manual-testing.html

Image Source: http://www.mamsys.com/quality-
assurance/functional-testing/

Ensure tests are written for:
◉Areas where large users will be
accessing simultaneously such
◉Login/registration form
◉Bill/payment pages
◉Connection to DB
◉Expected response from database
◉Components interaction with each
others

Unit Test
The main aim is to isolate each part of a
program and show that the section of
code works correctly.

Integration Test
Involves testing of combined parts of a
program to ensure its working based on
user requirement.

System Test
Is performed when all components of a
program are integrated and tested to
ensure functionality.

JavaScript does not natively supports
testing
It employs the good will of some of its
frameworks and library to achieve this fit
for testing in both Node and browsers

Some JS Testing Frameworks
◉Mocha
◉Jasmine
◉Jest
◉Selenium
◉QUnit
◉Tape
◉Protractor

Some JS Testing Library
◉Chai
◉Sinon
◉Enzyme
◉Unexpected
◉WebdriverIO
◉ and many others

Why Mocha?
◉ a feature-rich JS testing framework
that runs on node and browser
◉ most used testing framework for
testing
◉ support usage of 3rd party library for
assertion, mocks, spy and others

Adding Mocha to
Project
//Mocha can be installed with npm, bower and available on cdnjs
//install globally with npm using
npm install -g mocha
//install as a dev dependency for your project
npm install --save-dev mocha
//installed using bower as
bower install mocha

Akwai tambaya ?
You can find me at
◉ @auwalms_
◉ auwalforall@gmail.com
Nagode!

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Integrating Survey123 and R&H Data Using FMESafe Software

West Virginia Department of Transportation (WVDOT) actively engages in several field data collection initiatives using Collector and Survey 123. A critical component for effective asset management and enhanced analytical capabilities is the integration of Geographic Information System (GIS) data with Linear Referencing System (LRS) data. Currently, RouteID and Measures are not captured in Survey 123. However, we can bridge this gap through FME Flow automation. When a survey is submitted through Survey 123 for ArcGIS Portal (10.8.1), it triggers FME Flow automation. This process uses a customized workbench that interacts with a modified version of Esri's Geometry to Measure API. The result is a JSON response that includes RouteID and Measures, which are then applied to the feature service record.

How Insurance Policy Management Software Streamlines OperationsInsurance Tech Services

Artificial Intelligence Applications Across IndustriesSandeepKS52

Artificial Intelligence is a rapidly growing field that influences many aspects of modern life, including transportation, healthcare, and finance. Understanding the basics of AI provides insight into how machines can learn and make decisions, which is essential for grasping its applications in various industries. In the automotive sector, AI enhances vehicle safety and efficiency through advanced technologies like self-driving systems and predictive maintenance. Similarly, in healthcare, AI plays a crucial role in diagnosing diseases and personalizing treatment plans, while in financial services, it helps in fraud detection and risk management. By exploring these themes, a clearer picture of AI's transformative impact on society emerges, highlighting both its potential benefits and challenges.

How AI Can Improve Media Quality Testing Across Platforms (1).pptxkalichargn70th171

Best Inbound Call Tracking Software for Small BusinessesTheTelephony

The best inbound call tracking software for small businesses offers features like call recording, real-time analytics, lead attribution, and CRM integration. It helps track marketing campaign performance, improve customer service, and manage leads efficiently. Look for solutions with user-friendly dashboards, customizable reporting, and scalable pricing plans tailored for small teams. Choosing the right tool can significantly enhance communication and boost overall business growth.

Eliminate the complexities of Event-Driven Architecture with Domain-Driven De...SheenBrisals

The distributed nature of modern applications and their architectures brings a great level of complexity to engineering teams. Though API contracts, asynchronous communication patterns, and event-driven architecture offer assistance, not all enterprise teams fully utilize them. While adopting cloud and modern technologies, teams are often hurried to produce outcomes without spending time in upfront thinking. This leads to building tangled applications and distributed monoliths. For those organizations, it is hard to recover from such costly mistakes. In this talk, Sheen will explain how enterprises should decompose by starting at the organizational level, applying Domain-Driven Design, and distilling to a level where teams can operate within a boundary, ownership, and autonomy. He will provide organizational, team, and design patterns and practices to make the best use of event-driven architecture by understanding the types of events, event structure, and design choices to keep the domain model pure by guarding against corruption and complexity.

Software Engineering Process, Notation & Tools Introduction - Part 4Gaurav Sharma

The rise of e-commerce has redefined how retailers operate—and reconciliation...Prachi Desai