Property-based testing helps you create better, more solid tests with little code. By using the PropEr framework in both Erlang and Elixir, this book teaches you how to automatically generate test cases, test stateful programs, and change how you design your software for more principled and reliable approaches. You will be able to better explore the problem space, validate the assumptions you make when coming up with program behavior, and expose unexpected weaknesses in your design. PropEr will even show you how to reproduce the bugs it found. With this book, you will be writing efficient property-based tests in no time.Most tests only demonstrate that the code behaves how the developer expected it to behave, and therefore carry the same blind spots as their authors when special conditions or edge cases show up. Learn how to see things differently with property tests written in PropEr.Start with the basics of property tests, such as writing stateless properties, and using the default generators to generate test cases automatically. More importantly, learn how to think in properties. Improve your properties, write custom data generators, and discover what your code can or cannot do. Learn when to use property tests and when to stick with example tests with real-world sample projects. Explore various testing approaches to find the one that's best for your code. Shrink failing test cases to their simpler expression to highlight exactly what breaks in your code, and generate highly relevant data through targeted properties. Uncover the trickiest bugs you can think of with nearly no code at all with two special types of properties based on state transitions and finite state machines.Write Erlang and Elixir properties that generate the most effective tests you'll see, whether they are unit tests or complex integration and system tests.What You NeedBasic knowledge of Erlang, optionally ElixirFor Erlang tests: Erlang/OTP = 20.0, with Rebar = 3.4.0For Elixir tests: Erlang/OTP = 20.0, Elixir = 1.5.0.

N� de ref. del art�culo LU-9781680506211

Contactar al vendedor

Denunciar este art�culo

Detalles bibliogr�ficos

T�tulo

Property-Based Testing with PropEr, Erlang, and Eliixir

Editor

The Pragmatic Programmers, US

Fecha de publicaci�n

2019

Idioma

Ingl�s

ISBN 10

1680506218

ISBN 13

9781680506211

Encuadernaci�n

Paperback

Estado

New

Cat�logos de vendedores

Acerca de

Sinopsis

Most tests only demonstrate that the code behaves how the developer expected it to behave, and therefore carry the same blind spots as their authors when special conditions or edge cases show up. Learn how to see things differently with property tests written in PropEr.

Start with the basics of property tests, such as writing stateless properties, and using the default generators to generate test cases automatically. More importantly, learn how to think in properties. Improve your properties, write custom data generators, and discover what your code can or cannot do. Learn when to use property tests and when to stick with example tests with real-world sample projects. Explore various testing approaches to find the one that's best for your code. Shrink failing test cases to their simpler expression to highlight exactly what breaks in your code, and generate highly relevant data through targeted properties. Uncover the trickiest bugs you can think of with nearly no code at all with two special types of properties based on state transitions and finite state machines.

Write Erlang and Elixir properties that generate the most effective tests you'll see, whether they are unit tests or complex integration and system tests.

What You Need

Basic knowledge of Erlang, optionally Elixir
For Erlang tests: Erlang/OTP >= 20.0, with Rebar >= 3.4.0
For Elixir tests: Erlang/OTP >= 20.0, Elixir >= 1.5.0

Acerca del autor

Fred Hebert is a systems architect at a video surveillance, access control management, and license plate recognition company. He previously worked as a tech lead on a cloud platform's networking services. He has also worked in real-time bidding systems, as a professional Erlang trainer and course maintainer, and is one of the maintainers of the principal Erlang build tool (rebar3).

"Sobre este t�tulo" puede pertenecer a otra edici�n de este libro.

Descripci�n de la librer�a

Ver la p�gina web de la librer�a

Informaci�n empresarial del vendedor

Rarewaves USA
10100 West Sample Road, Ste 101, Coral Springs, FL, 33065, U.S.A.

Condiciones de venta y env�o

Condiciones de venta

Derecho a cancelaci�n

Condiciones de env�o

Please note that we do not offer Priority shipping to any country.

We currently do not ship to the below countries:

Afghanistan
Bhutan
Brazil
Brunei Darussalam
Channel Islands
Chile
Israel
Lao
Mexico
Russian Federation
Saudi Arabia
South Africa
Yemen

Please do not attempt to place orders with any of these countries as a ship to address - they will be cancelled.

Tarifas de env�o en Estados Unidos de America

Tarifas de env�o en Estados Unidos de America
Cantidad del pedido	De 30 a 30 d�as h�biles	De 14 a 14 d�as h�biles
Primer art�culo	EUR 42.88	EUR 57.46

Los plazos de entrega los establecen los vendedores y var�an seg�n el transportista y la ubicaci�n. Los pedidos que pasan por la aduana pueden sufrir retrasos y los compradores son responsables de los aranceles o tarifas asociadas. Los vendedores pueden ponerse en contacto con usted en relaci�n con cargos adicionales para cubrir cualquier aumento en los costes de env�o de los art�culos.