Hamcrest

Matchers that can be combined to create flexible expressions of intent

Born in Java, Hamcrest now has implementations in a number of languages.

• Java
• Python
• Ruby
• Objective-C
• PHP
• Common Lisp
• Erlang
• Swift
• Rust
• JavaScript (JsHamcrest)
• JavaScript (Hamjest)
• GO (Gocrest)
• C# (NHamcrest)