Wilma is a
Service virtualization
Service may refer to:
Activities
* Administrative service, a required part of the workload of university faculty
* Civil service, the body of employees of a government
* Community service, volunteer service for the benefit of a community or a p ...
software
Software is a set of computer programs and associated documentation and data. This is in contrast to hardware, from which the system is built and which actually performs the work.
At the lowest programming level, executable code consists ...
tool that
computer programmers
A computer programmer, sometimes referred to as a software developer, a software engineer, a programmer or a coder, is a person who creates computer programs — often for larger computer software.
A programmer is someone who writes/creates ...
and testers use for developing and testing other software. It sits between
software components
Component-based software engineering (CBSE), also called component-based development (CBD), is a branch of software engineering that emphasizes the separation of concerns with respect to the wide-ranging functionality available throughout a give ...
, software services,
microservices
A microservice architecture – a variant of the service-oriented architecture structural style – is an architectural pattern that arranges an application as a collection of loosely-coupled, fine-grained services, communicating through lightw ...
, as a
transparent proxy
In computer networking, a proxy server is a server application that acts as an intermediary between a client requesting a resource and the server providing that resource.
Instead of connecting directly to a server that can fulfill a request ...
, and captures the communication traffic between the
software components
Component-based software engineering (CBSE), also called component-based development (CBD), is a branch of software engineering that emphasizes the separation of concerns with respect to the wide-ranging functionality available throughout a give ...
. Based on its actual configuration, evaluates the captured messages and decides between proxying the request or providing response by itself, as a service
stub
Stub or Stubb may refer to:
Shortened objects and entities
* Stub (stock), the portion of a corporation left over after most but not all of it has been bought out or spun out
* Stub, a tree cut and allowed to regrow from the trunk; see Pollardi ...
. Therefore, it is a combined
Transparent Proxy
In computer networking, a proxy server is a server application that acts as an intermediary between a client requesting a resource and the server providing that resource.
Instead of connecting directly to a server that can fulfill a request ...
and Service
Stub
Stub or Stubb may refer to:
Shortened objects and entities
* Stub (stock), the portion of a corporation left over after most but not all of it has been bought out or spun out
* Stub, a tree cut and allowed to regrow from the trunk; see Pollardi ...
. It is written in
Java
Java (; id, Jawa, ; jv, ꦗꦮ; su, ) is one of the Greater Sunda Islands in Indonesia. It is bordered by the Indian Ocean to the south and the Java Sea to the north. With a population of 151.6 million people, Java is the world's List ...
, and
Open Sourced under the license
GPL
The GNU General Public License (GNU GPL or simply GPL) is a series of widely used free software licenses that guarantee end users the four freedoms to run, study, share, and modify the software. The license was the first copyleft for general u ...
.
Situations when Wilma helps
* In case there is
component
Circuit Component may refer to:
•Are devices that perform functions when they are connected in a circuit.
In engineering, science, and technology Generic systems
*System components, an entity with discrete structure, such as an assemb ...
that communicates to other
components
Circuit Component may refer to:
•Are devices that perform functions when they are connected in a circuit.
In engineering, science, and technology Generic systems
* System components, an entity with discrete structure, such as an assem ...
(
SOA environment or by simply using
3rd party
3rd Party was an American three-member dance-pop group that released one album in 1997. They are best known for their ''Billboard'' Hot 100 charting dance hits "Can U Feel It" and "Love Is Alive".
Background
Lead singer Maria Christensen was ...
services/
microservices
A microservice architecture – a variant of the service-oriented architecture structural style – is an architectural pattern that arranges an application as a collection of loosely-coupled, fine-grained services, communicating through lightw ...
) but need to be tested without the availability of other
components
Circuit Component may refer to:
•Are devices that perform functions when they are connected in a circuit.
In engineering, science, and technology Generic systems
* System components, an entity with discrete structure, such as an assem ...
, Wilma can act as
stub
Stub or Stubb may refer to:
Shortened objects and entities
* Stub (stock), the portion of a corporation left over after most but not all of it has been bought out or spun out
* Stub, a tree cut and allowed to regrow from the trunk; see Pollardi ...
. The environment can be - among others - a local
development environment
In software deployment, an environment or tier is a computer system or set of systems in which a computer program or software component is deployed and executed. In simple cases, such as developing and immediately executing a program on the same m ...
, a
CI test environment, or an
integration
Integration may refer to:
Biology
*Multisensory integration
*Path integration
* Pre-integration complex, viral genetic material used to insert a viral genome into a host genome
*DNA integration, by means of site-specific recombinase technology, ...
test environment
* In similar case, if some of the
components
Circuit Component may refer to:
•Are devices that perform functions when they are connected in a circuit.
In engineering, science, and technology Generic systems
* System components, an entity with discrete structure, such as an assem ...
are available but some not, Wilma can
stub
Stub or Stubb may refer to:
Shortened objects and entities
* Stub (stock), the portion of a corporation left over after most but not all of it has been bought out or spun out
* Stub, a tree cut and allowed to regrow from the trunk; see Pollardi ...
the missing ones, meanwhile proxying the request to the available
components
Circuit Component may refer to:
•Are devices that perform functions when they are connected in a circuit.
In engineering, science, and technology Generic systems
* System components, an entity with discrete structure, such as an assem ...
* If there is a new
feature
Feature may refer to:
Computing
* Feature (CAD), could be a hole, pocket, or notch
* Feature (computer vision), could be an edge, corner or blob
* Feature (software design) is an intentional distinguishing characteristic of a software item ...
in a
3rd party
3rd Party was an American three-member dance-pop group that released one album in 1997. They are best known for their ''Billboard'' Hot 100 charting dance hits "Can U Feel It" and "Love Is Alive".
Background
Lead singer Maria Christensen was ...
component/service, that will be developed later, and not yet available, and if the
interface
Interface or interfacing may refer to:
Academic journals
* ''Interface'' (journal), by the Electrochemical Society
* ''Interface, Journal of Applied Linguistics'', now merged with ''ITL International Journal of Applied Linguistics''
* '' Inte ...
is defined, Wilma can emulate the new
feature
Feature may refer to:
Computing
* Feature (CAD), could be a hole, pocket, or notch
* Feature (computer vision), could be an edge, corner or blob
* Feature (software design) is an intentional distinguishing characteristic of a software item ...
of the
3rd party
3rd Party was an American three-member dance-pop group that released one album in 1997. They are best known for their ''Billboard'' Hot 100 charting dance hits "Can U Feel It" and "Love Is Alive".
Background
Lead singer Maria Christensen was ...
component/service, and the
feature
Feature may refer to:
Computing
* Feature (CAD), could be a hole, pocket, or notch
* Feature (computer vision), could be an edge, corner or blob
* Feature (software design) is an intentional distinguishing characteristic of a software item ...
in the owned component can be developed without waiting for the implementation of the
feature
Feature may refer to:
Computing
* Feature (CAD), could be a hole, pocket, or notch
* Feature (computer vision), could be an edge, corner or blob
* Feature (software design) is an intentional distinguishing characteristic of a software item ...
in the
3rd party
3rd Party was an American three-member dance-pop group that released one album in 1997. They are best known for their ''Billboard'' Hot 100 charting dance hits "Can U Feel It" and "Love Is Alive".
Background
Lead singer Maria Christensen was ...
component/service
* It is possible to emulate special behavior of
3rd party
3rd Party was an American three-member dance-pop group that released one album in 1997. They are best known for their ''Billboard'' Hot 100 charting dance hits "Can U Feel It" and "Love Is Alive".
Background
Lead singer Maria Christensen was ...
components/services like: timeouts, slow or bad answers, special - error-nous - answers and
error codes - without doing special
test environment
In software deployment, an environment or tier is a computer system or set of systems in which a computer program or software component is deployed and executed. In simple cases, such as developing and immediately executing a program on the same m ...
setup changes, and even if forcing the
3rd party
3rd Party was an American three-member dance-pop group that released one album in 1997. They are best known for their ''Billboard'' Hot 100 charting dance hits "Can U Feel It" and "Love Is Alive".
Background
Lead singer Maria Christensen was ...
component/service to produce such special answers would be hard/impossible
* It is possible to substitute both the request and the response messages real-time, partially and/or completely.
* Also - as it can log the messages - it helps testers/
developers in troubleshooting, since the logged messages can be analysed - also such recorded messages can be used later as base of stub responses
Main capabilities
* Used for
HTTP
The Hypertext Transfer Protocol (HTTP) is an application layer protocol in the Internet protocol suite model for distributed, collaborative, hypermedia information systems. HTTP is the foundation of data communication for the World Wide Web, ...
and
HTTPS
Hypertext Transfer Protocol Secure (HTTPS) is an extension of the Hypertext Transfer Protocol (HTTP). It is used for secure communication over a computer network, and is widely used on the Internet. In HTTPS, the communication protocol is enc ...
communication channels, including 2-way
SSL connections.
* Any message types and contents can be used:
HTML
The HyperText Markup Language or HTML is the standard markup language for documents designed to be displayed in a web browser. It can be assisted by technologies such as Cascading Style Sheets (CSS) and scripting languages such as JavaScri ...
,
XML
Extensible Markup Language (XML) is a markup language and file format for storing, transmitting, and reconstructing arbitrary data. It defines a set of rules for encoding documents in a format that is both human-readable and machine-readable. T ...
,
SOAP
Soap is a salt of a fatty acid used in a variety of cleansing and lubricating products. In a domestic setting, soaps are surfactants usually used for washing, bathing, and other types of housekeeping. In industrial settings, soaps are use ...
,
JSON
JSON (JavaScript Object Notation, pronounced ; also ) is an open standard file format and data interchange format that uses human-readable text to store and transmit data objects consisting of attribute–value pairs and arrays (or other ser ...
,
REST
Rest or REST may refer to:
Relief from activity
* Sleep
** Bed rest
* Kneeling
* Lying (position)
* Sitting
* Squatting position
Structural support
* Structural support
** Rest (cue sports)
** Armrest
** Headrest
** Footrest
Arts and entert ...
, etc.
* Messages can be altered on-the-fly
* Highly configurable, on-the-fly, both via its
UI and
API
An application programming interface (API) is a way for two or more computer programs to communicate with each other. It is a type of software Interface (computing), interface, offering a service to other pieces of software. A document or standa ...
(both Java and .NET API is available)
* Suitable for both
automated
Automation describes a wide range of technologies that reduce human intervention in processes, namely by predetermining decision criteria, subprocess relationships, and related actions, as well as embodying those predeterminations in machines ...
and
manual tests
* By using the provided
interfaces
Interface or interfacing may refer to:
Academic journals
* Interface (journal), ''Interface'' (journal), by the Electrochemical Society
* ''Interface, Journal of Applied Linguistics'', now merged with ''ITL International Journal of Applied Lin ...
, product/project specific expansions (special message response creators and response content formatter for the stub) can easily be added to the tool
* Expandable via plug-ins
* Docker images are available
References
External links
Wilma documentationWilma project
Software testing tools
Software using the GPL license
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