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By using ‘arrayWithSize’ method, you can create a matcher for arrays that matches when the length of the array equals the specified size.ExString arr[] = { "Hello", "How", "are"… Read More

By using ‘emptyArray’ method, you can create a matcher for arrays that matches when the length of the array is zero.ExString arr[] = {};assertThat("arr size should be equal to 0"… Read More

By using ‘greaterThan’ method, you can create a matcher of Comparable object that matches when the examined object is greater than the specified value.ExassertThat("2 greater tha… Read More

Hamcrest provides below matchers to compare objects.greaterThangreaterThanOrEqualTolessThanlessThanOrEqualTocomparesEqualToPrevious          … Read More

This post shows how you can write JUnit tests to check if an object matches a JSON string. This is important if you are implementing REST services and want to test if your service produces t… Read More

By using ‘greaterThanOrEqualTo’ method, you can create a matcher of Comparable object that matches when the examined object is greater than or equal to the specified value.Exasse… Read More

By using ‘lessThan’ method, you can create a matcher of Comparable object that matches when the examined object is less than the specified value.ExassertThat("1 is less than 2"… Read More

By using ‘lessThanOrEqualTo’ method, you can create a matcher of Comparable object that matches when the examined object is less than or equal to the specified value.ExassertThat… Read More

Hamcrest provides below matchers to check whether given object is an instance of specific class, to check objects equality.instanceOfsameInstancetheInstanceequalToPrevious   … Read More

By using 'comparesEqualTo' method, you can create a matcher of Comparable object that matches when the examined object is equal to the specified object.ExassertThat("2 == ", 2, comparesEqual… Read More

By using ‘sameInstance’ method you can check whether two reference variables point to same object or not. It uses ‘==’ operator to check objects equality.For example… Read More

By using instanceOf method, you can create a matcher that matches when the examined object is an instance of the specified type.ExassertThat("str should be of type String", str, instanceOf(S… Read More

By using ‘theInstance’ method you can check whether two reference variables point to same object or not. It uses ‘==’ operator to check objects equality.For example,E… Read More

By using 'hasItem' method, you can create a matcher, for Iterables (Collections that implements Iterable interface) that is used to check whether given collection has at least one item that… Read More

By using ‘everyItem’ method, we can create a matcher that checks whether all the elements are matched to given matcher or not.Exa. Employee age must be > 20List employeeAges =… Read More

HamCrest provides below matchers to work with collections.everyItemhasItemhasItemshasSizeemptyemptyCollectionOfemptyIterableemptyIterableOfcontainscontainsInAnyOrderiterableWithSizehasEntryh… Read More

By using equalTo method, you can create a matcher that check whether this object is logically equal to another object. It uses equals method to check equality of object.Employee.javapackage… Read More

By using ‘hasItems’ method, you can create a matcher that is used to check existence of multiple items in the collection.‘hasItems’ method is available in two overloa… Read More

By using ‘emptyCollectionOf’ method, you can create a matcher that is used to check whether collection is empty or not.ExList tempList = Arrays.asList();assertThat("empty must be… Read More

By using ‘empty’ method, you can create a matcher that is used to check whether collection is empty or not.ExList tempList = Arrays.asList();assertThat("tempList must be empty"… Read More

By using ‘hasSize’ method, you can create a matcher that checks the size of collection.ExList employeeAges = Arrays.asList(24, 45, 32);assertThat("Size of the collection must be… Read More

By using ‘isOneOf’ method, you can create a matcher that matches when the examined object is equal to one of the specified elements.ExassertThat("India", isOneOf("Africa", "India… Read More

By using 'isIn' method, we can create a matcher that matches when the examined object is found within the specified collection.ExList names = new ArrayList();names.add("gopi");names.add("har… Read More

By using hasValue method, you can create a matcher that is used to check whether map contains at least one value that is equal to the specified value.ExMap employeeMap = new HashMap();employ… Read More

By using 'haskey method, you can create a matcher for Maps to match when the examined Map contains at least one key that is equal to the specified key.ExMap employeeMap = new HashMap(); … Read More

public static org.hamcrest.Matcher> hasEntry(org.hamcrest.Matcher super K> keyMatcher, org.hamcrest.Matcher super V> valueMatcher)By using ‘hasEntry’ method, you can cr… Read More

By using 'iterableWithSize’ method, you can create a matcher that is used to check the size of iterable.ExassertThat(list, IsIterableWithSize. iterableWithSize(3));   &n… Read More

By using containsInAnyOrder method, you can check whether given elements exist in the collection or not (Order of the elements is not considered).'containsInAnyOrder' method is available in… Read More

By using ‘contains’ method, you can check whether given elements exist in the collection or not.‘contains’ method is available in overloaded form.public static org.h… Read More

By using ‘emptyIterableOf’ method, you can create a matcher for Iterables matching examined iterables that yield no items.ExList tempList = Arrays.asList();assertThat("empty must… Read More

By using ‘emptyIterable’ method, you can create a matcher for Iterables matching examined iterables that yield no items.ExList tempList = Arrays.asList();assertThat("empty must b… Read More

Suppose if the salary of the employee is 12345.6, you would like to match all the employees with some error + (or) – 1.2. then you can use these matchers.Hamcrest provides closeTo matc… Read More

By using ‘any’ method, you can create a matcher that is used to match any object that is of given type.ExEmployee emp1 = new Employee(1, "Krishna", 12345.6);assertThat(emp1, any(… Read More

By using 'samePropertyValuesAs' method, you can create a matcher that matches when the examined object has values for all of its JavaBean properties that are equal to the corresponding value… Read More

By using ‘typeCompatibleWith’ function, you can create a matcher that matches when the specified baseType is assignable from the examined class.ExassertThat("Intger class must be… Read More

By using ‘isA’ method, you can create a matcher that is used to check whether the object is type given class or not.ExEmployee emp = new Employee();assertThat("emp must be of typ… Read More

By using ‘hasproperty’ method, you can create a matcher that matches when the examined object has a JavaBean property with the specified name whose value satisfies the specified… Read More

Hamcrest provides below matchers to check the properties of a class and values associated with objects.              &nb… Read More

By using 'anyOf' method, you can create a matcher that matches if the examined object matches to ANY of the specified matchers.ExString name = "Hello World";assertThat(name, anyOf(startsWith… Read More

By using 'either' method, you can create a matcher that matches when either of the specified matchers match the examined objectExString name = "Hello World";assertThat(name, either(startsWit… Read More

By using 'both' method, you can create a matcher that matches when both the specified matchers match the examined object.ExString name = "Hello World";assertThat(name, both(startsWith("Hello… Read More

By using 'allOf' method, you can create a matcher that matches if the specified element is matched against all the matchers.ExString name = "Hello World";assertThat(name, allOf(startsWith("H… Read More

Hamcrest provides below matchers to working with number of matchers at a time.allOfbotheitheranyOfPrevious              … Read More

1. Introduction One of the things that I have learned in XPWeek 2001, is to make our tests more readable in a very simple way using Hamcrest. Hamcrest is a library that provides us with a se… Read More

This article is a rewrite of an older one done in Java. This one is done in Kotlin instead. Intro Last time, I went over what a Hamcrest Matcher was, how it’s used, and how to make one… Read More

This article is a rewrite of an older one done in Java. This one is done in Kotlin instead. Intro to Hamcrest Matchers First things first, I should quickly explain what a Hamcrest Matcher is… Read More

If you are seasoned Java developer who practices test-driven development (hopefully, everyone does it), it is very likely JUnit 4 has been your one-stop-shop testing toolbox. Personally, I t… Read More

Buy Mastering Java & Spring Framework Essentials Bundle for $24 Get This Deal Don’t miss out. Buy it before they’re gone Expires March 03, 2121 23:59 PST Buy now… Read More

前言 本文试图通过介绍编程工作中的部分技能和知识A… Read More

Introduction to Spring Boot Test Spring boot test will provide us many annotation and utility which was supporting to test our application. Basically, it will provide by using two methods… Read More

Java is one of the oldest programming languages used for software development solutions. It is preferred by various organizations for enterprise solutions that support a large user base. In… Read More

Introduction to Spring Boot Unit Test Spring Boot Unit Test is testing done by developers that makes sure the individual units or component functionalities do work as expected. Writing uni… Read More

Sometimes you may want to check whether given collection has elements in the specific order or not. Using IsIterableContainingInOrder class, you can address this use case.   CollectionE… Read More

The purpose of this article is to share how IT Services India collaborates with software companies, as an outsourced mobile development company. Especially… Read More

Mockito 中文文档 ( 2.0.26 beta ) 目录 迁移到Mockito 2.0 验证某些行为 如… Read More

Introduction to JUnit AssertThat JUnit assertthat is the method of an assert object used to check the specified value matches the expected value. It will accept the two parameters, the first… Read More

In this tutorial, we’ll learn how to write efficient Junit test cases in Java using Hamcrest assertThat() with Matchers Read More

In this article, we will learn how to assert Object’s multiple properties in a single assert in JUnit 5, Hamcrest, and AssertJ assertion libraries Read More

Member-only storyKirshi YinFollowBetter Programming--ShareHave you ever wished you could magically generate test objects without the hassle of manual data setup? Meet Instancio — your… Read More

Posted on Oct 22 In the article we take a look at the unit test evolution from beginner to pro-level. “Rate us” dialog is a popular feature, and it will be a goo… Read More