Mockito Tutorial For Beginners

Gain expertise on the most popular java mocking framework

• Installing Eclipse, Maven and Java
• Running Examples
• Course Overview
  • Course Steps
  • Expectations
• About in28Minutes
  • Our Beliefs
  • Our Approach
  • Find Us
  • Other Courses

Installing Tools

• PDF : https://github.com/in28minutes/SpringIn28Minutes/blob/master/InstallationGuide-JavaEclipseAndMaven_v2.pdf
• Video : https://www.youtube.com/watch?v=eqRF4xHoGck

Course Overview

Step List

JUnit

• Step 01 : Need for Unit Testing
• Step 02 : Setting up your First JUnit
• Step 03 : First Successful JUnit. Green Bar and assertEquals
• Step 04 : Refactoring Your First JUnit Test
• Step 05 : Second JUnit Example assertTrue and assertFalse
• Step 06 : @Before @After
• Step 07 : @BeforeClass @AfterClass
• Step 08 : Comparing Arrays in JUnit Tests
• Step 09 : Testing Exceptions in JUnit Tests
• Step 10 : Testing Performance in JUnit Tests
• Step 11 : Parameterized Tests
• Step 12 : Organize JUnits into Suites

Mockito

• Step 01 : Set up an Eclipse Project with JUnit and Mockito frameworks. First Green Bar.
• Step 02 : Example to start understanding why we need mocks.
• Step 03 : What is a stub? Create an unit test using Stub? Disadvantages of Stubs.
• Step 04 : Your first Mockito code! Hurrah!!! Lets use Mockito to mock TodoService.
• Step 05 : Stubbing variations with Mockito. A few mockito examples mocking List class : Multiple return values, Argument Matchers and throwing exceptions.
• Some Theory : Mockito vs EasyMock https://github.com/mockito/mockito/wiki/Mockito-vs-EasyMock
• Step 06 : Introduction to BDD. Given When Then. BDD Mockito Syntax.
• Step 07 : How to verify calls on a mock? Verify how many times a method is called. We will add deleteTodo method to the TodoService.
• Step 08 : How to capture an argument which is passed to a mock?
• Step 09 : Hamcrest Matchers.
• Step 10 : Let's simplify things with Mockito Annotations. @Mock, @InjectMocks, @RunWith(MockitoJUnitRunner.class), @Captor
• Step 11 : JUnit Rules. Using MockitoJUnit.rule() instead of @RunWith(MockitoJUnitRunner.class).
• Step 12 : Real world Example with Spring
• Step 13 : What is a spy? How to spy with Mockito?
• Step 14 : Some Theory : Why does Mockito not allow stubbing final and private methods?
• Step 15 : Using PowerMock and Mockito to mock a Static Method.
• Step 16 : Using PowerMock and Mockito to invoke a private Method.
• Step 17 : Using PowerMock and Mockito to mock a constructor.
• Step 18 : Good Unit Tests.

Expectations

• You should know Java.
• You are NOT expected to have any experience with Eclipse or Maven.
• We will help you install Eclipse and get up and running with Maven.

Let's have some fun

• What are we waiting for?
• Let's have some fun with Mockito in 25 Steps.
• I had fun creating this course and hope you would too.
• Thanks for your interest in Our Course
  • I hope you’re as excited as I am!
  • If you’re ready to learn more and sign up for the course,
  • go ahead and hit that Enroll button,
  • or take a test drive by using the Free Preview feature.
• See you in the course!

About in28Minutes

• At in28Minutes, we ask ourselves one question everyday. How do we help you learn effectively - that is more quickly and retain more of what you have learnt?
• We use Problem-Solution based Step-By-Step Hands-on Approach With Practical, Real World Application Examples.
• Our success on Udemy and Youtube (2 Million Views & 12K Subscribers) speaks volumes about the success of our approach.
• While our primary expertise is on Development, Design & Architecture Java & Related Frameworks (Spring, Struts, Hibernate) we are expanding into the front-end world (Bootstrap, JQuery, Angular JS).

Our Beliefs

• Best Courses are interactive and fun.
• Foundations for building high quality applications are best laid down while learning.

Our Approach

• Problem Solution based Step by Step Hands-on Learning
• Practical, Real World Application Examples.
• We use 80-20 Rule. We discuss 20% things used 80% of time in depth. We touch upon other things briefly equipping you with enough knowledge to find out more on your own.
• We will be developing a demo application in the course, which could be reused in your projects, saving hours of your effort.
• We love open source and therefore, All our code is open source too and available on Github.

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