Hamcrest tutorial

Basics

      Introduction to Hamcrest

      Hello World Application

Test null values

      Match null values

      nullValue: Creates a matcher that matches if examined object is null

      notNullValue : Creates a matcher that matches if examined object is not null

Matchers to work with strings

      Hamcrest: Matchers to work with strings

      containsString: match sub string

      startsWith: Check whether string starts with given string

      endsWith: Check whether string ends with given string

      equalToIgnoringCase: check equality of strings by ignoring case

      equalToIgnoringWhiteSpace: check equality of strings by ignoring case and white spaces

      isEmptyString: Match if the string is empty

      isEmptyOrNullString: Match if the string is empty or null

      stringContainsInOrder: Matches a string against all the substrings

Work with Arrays

      Matchers to work with arrays

       array: Match every element of array with specific matcher

      hasItemInArray: Check the existence of item in the array

      arrayContaining: Match each item in the array

      arrayContainingInAnyOrder: Check array euality, order doesn't matter

      arrayWithSize: Check array length

      emptyArray: match empty array

Compare Objects

      Matchers to compare objects

      greaterThan: check whether given object is greater than this value

      greaterThanOrEqualTo: check whether given object is greater than or equal to this value

      

      lessThanOrEqualTo: Check whether object is <= other object

      comparesEqualTo: Check objects equality

Marchers to check instances

      Marchers to check instances

      instanceOf: Check whether object is instance of class or not

      sameInstance: objects equality checker

      theInstance: objects equality checker

      equalTo: objects equality using equals method

Matchers to work with collections

      Matchers to work with collections

      everyItem: All elements must match to given matcher

      hasItem: Check for the existence of at least one item

      hasItems: Check for the existence of multiple items

      hasSize: Checks the size of collection

      empty: Check emptiness of collection

      emptyCollectionOf: Check the emptiness of collection

      emptyIterable: Check the emptiness of iterables

      emptyIterableOf: Check the emptiness of iterable

      contains: Check for the existence of elements in the collection

      containsInAnyOrder: Search the elements of collection (order doesn’t matter)

      iterableWithSize: Check the size of iterable

      hasEntry: Check for the entry in map

      hasKey: Check for the existence of key

      hasValue: Check the existence of value in map

      isIn: Check the object existence in the collection

      isOneOf: Matches of altest one element matches

      IsIterableContainingInOrder: test the ordering of collection or list elements

Combining matchers

      Combining matchers

      allOf: Match against all the matchers

      both: Match against two matchers

      either: match against either of the matcher

      anyOf: match against any one of the matcher

Working with classes and objects

      Working with classes and objects

      hasProperty: Check whether given object has specific property or not

      isA: Check whether object is of given type

      typeCompatibleWith: Check the compatibility of one type with other

      samePropertyValuesAs: Check two beans properties

      any: Match an object that is instance of class

Working With Numbers

      closeTo: Working with numbers

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