Lambda Behave - Java 8's Testing Framework

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The document introduces Lambda Behave, a new testing framework for Java 8 that aims to make testing a pleasant experience. It uses Java 8 features like lambda expressions to provide a neat environment for writing tests. Some key features include fluent specification writing, data-driven testing, integration with IDEs and ScalaTest. Specifications can be written in fluent English-like style, generated automatically, or parameterized based on data inputs. The framework was recently launched and is gaining popularity for its features and benefits over tools like JUnit. SPEC India offers Java development services including projects using Lambda Behave.

Technology

LAMBDA BEHAVE
JAVA 8’S TESTING FRAMEWORK
By SPEC INDIA

LAMBDA BEHAVE – AN INTRODUCTION
 A latest testing framework for Java
 Lambda Behave vows to make testing a
pleasing experience
 An ideal choice for a Java developer who
has worked with specification frameworks
earlier
 There are existing frameworks like JUnit
and Cucumber but Lambda proves to be
much more fluent and modern with a unique
testing style

LAMBDA BEHAVE – AN INTRODUCTION
(CONTD.)
 Launched some time back and has already
started gaining momentum and appreciation
worldwide, because of its salient features
and technical benefits
 Makes use of various Java 8 features for
gaining a neat and user friendly
environment for testing.
 The latest release to have hit the market is
Lambda Behave 0.3

LAMBDA BEHAVE – AN INTRODUCTION
(CONTD.)
 Current testing frameworks turn out to be a
little untidy and complex, whereas Lambda
Behave turns out to be flowing and
simplistic
 Lambda Expressions have been a
significant feature of Java 8, in which the
importance lies on passing behaviour to
methods.
 Being a merger of functional capabilities
and object oriented, it enhances the
integration of third party libraries.

SALIENT FEATURES OF LAMBDA BEHAVE
 Fluency and neat specification writing in the domain
language
 Writing data driven specifications
 Integration with the base tool or IDE
 Influence of IDE usage onto library design
 Capability to reset mocks
 Addition of combinators for use of business domain
objects in testing

SALIENT FEATURES OF LAMBDA BEHAVE
(CONTD).
 Integration with Scala-Test to enable running of
Lambda Behave tests with Scala-Test infrastructure
 Solve bugs regarding API corner cases
 Log down seed numbers for random number
generators
 Integration of the random number generation with
the testing API

LAMBDA BEHAVE SPECIFICATIONS
Fluent
Specifications
Generated
Specifications
Data Driven
Specifications

LAMBDA BEHAVE SPECIFICATIONS
(CONTD.)
 Fluent Specifications
 For Lambda Behave, it is very important to focus on
fluency as if reading pure English.
 It also looks for encouraging describing testing with
usage of eloquent sentences instead of fewer words.
 It focuses on an API which is available all through the
IDE completion.
 Generated Specifications
 Lambda Behave possesses capabilities to generate test
cases for testing your code, very much like Scala
Check.
 The involved API is something like Data driven
specifications and controls the generation of values.

LAMBDA BEHAVE SPECIFICATIONS
(CONTD.)
 Data Driven Specifications
 Based on various data inputs, Lambda Behave
parameterizes the specifications.
 The API involved is not dependent upon reflection
magic.
 The specification as well as the description both are
parameterized.

THE JAVA FAMILY @ SPEC INDIA
 SPEC INDIA has already begun its journey with
Java 8
 Implemented various projects across a wide spread
clientele
 Possess proficiency in different tools and
technologies of the Java framework
 Cloud based applications
 Web services development
 AWS integration
 RIA applications
 And many more….

THANK YOU
EXPERIENCE OUR ACCOMPLISHMENTS
VISIT US @
HTTP://WWW.SPEC-INDIA.COM/SERVICES/JAVA-
APPLICATION-DEVELOPMENT.HTML
AND
REQUEST A FREE POC TO TEST DRIVE OUR
SERVICES

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