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Practical Unit Testing in Java 10 - Workshop Kraków!

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Location

Codete

7 Olszańska

31-513 Kraków

Poland

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Event description

Description

Practical unit testing with Java

Workshops are based on simple, real-life, spring-based application as a case study, which is used to practise designing, writing and maintaining of unit tests.

We focus on the most useful and popular nowadays frameworks: JUnit, Mockito and AssertJ, using Java 8 features extensively. We not only describe their capabilities in detail, but also show how to combine them together to significantly facilitate the creation of well separated and transparent test cases.

Participants will acquire practical knowledge about the most common mistakes and best practices (including TDD and BDD).

Prerequisites

  • At least 1 year of practical experience with Java

  • Basic knowledge of Spring

Outcomes

  • A good understanding of unit testing, best practices and must-know testing frameworks

  • Access to exclusive materials covering the scope of the workshops

Agenda

DAY 1


Introduction

  • The purpose of software tests

  • Types of tests and key differences

  • Do we really need unit tests? - case study

  • Place of tests in software deployment process


JUnit

  • Introduction: general rules, execution order, annotations, assertions

  • Exercise

  • Testing exceptions: @Rule and @ExpectedException

  • Exercise

  • Test suites, parameterized tests, categories

  • Exercise


Unit test best practises

  • Defining good unit tests

  • Examples of poor unit tests - case studies

  • Naming conventions

  • Test boundaries, avoiding interdependencies

  • TDD and BDD

  • Is my code coverage sufficient?

  • Exercise


Mocking with Mockito

  • The need for mocking frameworks

  • Difference between mocks, stubs, fake & dummy objects

  • Basic mockito usage, BDD in Mockito

  • Exercises

  • Mockito advanced techniques

  • Exercises


DAY 2

Let’s read our tests like a book - AssertJ

  • Let’s play with AssertJ - replacing JUnit assertions with AssertJ

  • Exercise

  • Can we make current test cases simpler?

  • AssertJ additions for Java 8

  • More Exercises - including refactoring of existing test cases


Exercises:

  • Complex exercises using combination of previously introduced libraries


HOMEWORK:

Increase code coverage of the existing codebase, if required refactor the code in order to be able to unit test it.

Timeline

2-day workshops

We provide a delicious complimentary meal, coffee, and snacks.

If you have any further questions please contact us via olga.sroka@codete.com

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Date and Time

Location

Codete

7 Olszańska

31-513 Kraków

Poland

View Map

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