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MOCKITO COOKBOOK

MOCKITO COOKBOOK

By : Grzejszczak
4.3 (4)
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MOCKITO COOKBOOK

MOCKITO COOKBOOK

4.3 (4)
By: Grzejszczak

Overview of this book

This is a focused guide with lots of practical recipes with presentations of business issues and presentation of the whole test of the system. This book shows the use of Mockito's popular unit testing frameworks such as JUnit, PowerMock, TestNG, and so on. If you are a software developer with no testing experience (especially with Mockito) and you want to start using Mockito in the most efficient way then this book is for you. This book assumes that you have a good knowledge level and understanding of Java-based unit testing frameworks.
Table of Contents (12 chapters)
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11
Index

Verifying the method invocation count with atMost()


In this recipe, we will verify whether a method on a mock was executed, at most, a specified number of times.

Getting ready

As shown in the following code, our system under test is TaxUpdater (the same as that presented in the previous recipes):

public class TaxUpdater {

    static final double MEAN_TAX_FACTOR = 10.5;

    private final TaxService taxService;

    public TaxUpdater(TaxService taxService) {
        this.taxService = taxService;
    }

    public void updateTaxFactorFor(Person brother, Person sister) {
        taxService.updateMeanTaxFactor(brother, calculateMeanTaxFactor());
        taxService.updateMeanTaxFactor(sister, calculateMeanTaxFactor());
    }

    private double calculateMeanTaxFactor() {
        return MEAN_TAX_FACTOR;
    }

}

How to do it...

To verify whether the mock's method was invoked at most a given number of times, call Mockito.verify(mock, VerificationMode.atMost(count)).methodToVerify(...).

Let's check the...

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