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Kenneth Kousen

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Mockito Made Clear: Java Unit Testing with Mocks, Stubs, and Spies

Mockito Made Clear: Java Unit Testing with Mocks, Stubs, and Spies

Write effective and useful tests with the Mockito framework. Distinguish between mocks, stubs, and spies, and feel confident about when and where to use each.

2023

Stories

Kenneth Kousen
in
The Pragmatic Programmers

Mastering JUnit 5’s Functional Interfaces

How, Why, and When to Use Executor, Supplier, and ThrowingSupplier in JUnit Tests

9 min readJul 3, 2023

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Mastering JUnit 5’s Functional Interfaces

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Kenneth Kousen
in
The Pragmatic Programmers

Taming a Silly Generic Warning

Unlocking Mockito’s mock() Method

4 min readJun 22, 2023

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Taming a Silly Generic Warning

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Kenneth Kousen
in
The Pragmatic Programmers

Gotta Mock ’Em All!

Or, Why Does Mockito’s ArgumentMatchers Class Need an eq Method?

5 min readJun 5, 2023

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Gotta Mock ’Em All!

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Kenneth Kousen
in
The Pragmatic Programmers

Don’t Verify That Mock — Yet!

Using a Delay When Verifying a Method Call on a Mock In Mockito

6 min readMay 24, 2023

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Don’t Verify That Mock — Yet!

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Kenneth Kousen
in
The Pragmatic Programmers

The Argument Is the (Mockito) Answer

Make a Method Return Values Based on Its Input Arguments

7 min readMay 10, 2023

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Section of the Mockito documentation talking about Answers

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Kenneth Kousen
in
The Pragmatic Programmers

Mocking Final Classes and Methods

Using Mockito’s Inline Mock Maker

6 min readMay 3, 2023

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1

Mocking Final Classes and Methods

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1

Kenneth Kousen
in
The Pragmatic Programmers

Mockito Versus BDDMockito

Why Are There Two Classes to Do the Same Job?

7 min readApr 19, 2023

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Mockito Versus BDDMockito

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Kenneth Kousen
in
The Pragmatic Programmers

A Simple, Modern, Mockito Project

Follow Along from Project Creation to Test Class

6 min readApr 5, 2023

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A Simple, Modern, Mockito Project

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Kenneth Kousen
in
The Pragmatic Programmers

Mockito: Where Everything Is Made Up and the Versions Don’t Matter

Upgrading my Mockito Book Repository to V5

5 min readMar 22, 2023

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Mockito: Where Everything Is Made Up and the Versions Don’t Matter

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Kenneth Kousen
in
The Pragmatic Programmers

I Spy with My Little Mockito…

Why Spy on Your Dependencies?

6 min readMar 8, 2023

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I Spy with My Little Mockito…

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Kenneth Kousen

Kenneth Kousen

Book Author

Author of the books Mockito Made Clear, Help Your Boss Help You, Kotlin Cookbook, Modern Java Recipes, Gradle Recipes for Android, and Making Java Groovy

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