Does JUnit use hamcrest?
Hamcrest is the well-known framework used for unit testing in the Java ecosystem. It’s bundled in JUnit and simply put, it uses existing predicates – called matcher classes – for making assertions.
What is hamcrest in JUnit?
Hamcrest is a framework that assists writing software tests in the Java programming language. It supports creating customized assertion matchers (‘Hamcrest’ is an anagram of ‘matchers’), allowing match rules to be defined declaratively. These matchers have uses in unit testing frameworks such as JUnit and jMock.
How do you use hamcrest matchers in JUnit?
For example, Hamcrest can be used with TestNG and JUnit (all versions). The Hamcrest framework is also used with mocking frameworks such as JMock, EasyMock, and Mockito….Hamcrest Matchers.
| Method type and method name | Description |
|---|---|
| Matcher notNullValue() | It creates a shortcut to the frequently used notNullValues. |
What is hamcrest library used for?
Hamcrest is a widely used framework for unit testing in the Java world. Hamcrest target is to make your tests easier to write and read. For this, it provides additional matcher classes which can be used in test for example written with JUnit.
What is matchers in JUnit?
Matchers is an external addition to the JUnit framework. Matchers were added by the framework called Hamcrest. JUnit 4.8. 2 ships with Hamcrest internally, so you don’t have to download it, and add it yourself. Matchers are used with the org.
What is hamcrest jar?
org.hamcrest:hamcrest-core:jar:1.3 (compile) Hamcrest Core. Description: This is the core API of hamcrest matcher framework to be used by third-party framework providers. This includes the a foundation set of matcher implementations for common operations.
Why do we use hamcrest?
Why assertThat is deprecated?
assertThat method is deprecated. Its sole purpose is to forward the call to the MatcherAssert. assertThat method defined in Hamcrest 1.3. Therefore, it is recommended to directly use the equivalent assertion defined in the third party Hamcrest library.