TTCN-3入门指南：标准详解与应用

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《TTCN-3入门指南》是由Colin Willcock、Thomas Deiß、Stephan Tobies、Stefan Keil、Federico Engler和Stephan Schulz共同编著的一本著作，由John Wiley and Sons于2005年6月出版。这本书主要聚焦于TTCN-3（Telecommunications Test Case Notation Language - Level 3），这是一套用于电信网络测试的标准语言和框架，旨在为通信系统的设计、开发和维护提供一种标准化的测试描述方法。 TTCN-3是一种功能强大的测试描述语言，它特别适用于创建和管理复杂的测试案例，特别是在网络服务和协议栈的测试环境中。本书涵盖了TTCN-3的基础概念，包括其语法结构、语义、测试流程控制以及如何利用它进行有效的测试设计。它不仅介绍了如何编写测试用例，还包括了如何进行测试套件的组织、复用、版本管理和执行，确保测试的可重复性和一致性。书中详细讲解了TTCN-3的关键特性，如事件驱动模型（Event-Driven Model）、数据驱动模型（Data-Driven Model）和行为驱动开发（Behavior-Driven Development，BDD）的应用，这些都是实现自动化测试和有效测试文档的关键。此外，作者还讨论了TTCN-3与其他测试工具和技术（如JUnit, JUnit5, Cucumber等）的集成可能性，以及在实际项目中的最佳实践。对于想要深入了解TTCN-3的测试工程师、网络开发人员、质量保证专业人员和系统集成者来说，《TTCN-3入门指南》是一本重要的参考书籍。通过阅读这本书，读者可以掌握如何构建可维护、可扩展且高效的测试环境，提升通信系统的质量和可靠性。版权方面，该书受到版权法保护，未经John Wiley & Sons Ltd. 或版权许可机构Copyright Licensing Agency Ltd. 的书面许可，禁止任何形式的复制、存储、检索或传输，包括但不限于电子、机械、影印、录音、扫描等方式。有兴趣获取权限的读者需联系出版社或版权部门。《An Introduction to TTCN-3》是一本实用的教材，旨在帮助读者掌握TTCN-3的核心原理和应用技巧，从而在现代通信行业中提升测试效率和质量。

About the Authors

COLIN WILLCOCK

Colin Willcock is a Senior Research Manager at Nokia Research Center. He received

a BSc from Shefﬁeld University in 1986, an MSc from Edinburgh University in 1987,

and a PhD in parallel computation from the University of Kent in 1992. Colin was

part of the core ETSI team that developed the TTCN-3 language and is currently

participating in TTCN-3 language maintenance. In the past, he has worked on

numerous standardization efforts at ETSI, ITU-T, and 3GPP, focusing on various

aspects of formal speciﬁcation languages. He is currently leading the European

TT-medal project, which strives to improve test methodology and languages for

software-intensive systems. Within Nokia, he works as competence area manager for

modelling and engineering methods.

THOMAS DEIß

Thomas Deiß is a Principal Scientist at Nokia Research Center. He received an

MSc in Computer Science and a PhD in Natural Sciences from the University of

Kaiserslautern in 1990 and 1999. He is currently working in the area of testing mobile

communication systems with TTCN-2 and TTCN-3. Thomas has been developing

TTCN-3-based test systems, has developed course materials and taught courses

about TTCN-3, and has contributed to TTCN-3 standardization. He is a contributor

to the European TT-medal project, which strives to improve test methodology and

languages for software-intensive systems.

STEPHAN TOBIES

Until March 2005, Stephan Tobies has worked as a Senior Research Engineer at

Nokia Research Center. He received an MSc in Computer Science and a PhD in

xiv ABOUT THE AUTHORS

Natural Sciences from the University of Technology in Aachen in 1998 and 2001. He

has been a member of ETSI Strategic Task Force 253, which is responsible for the

maintenance and extension of the TTCN-3 standard. He has been a leading developer

of an industry-grade TTCN-3 tool and has been working in the area of TTCN-3

language development and test system implementation. Stephan is now working for

the European Microsoft Innovation Center.

STEFAN KEIL

Stefan Keil is a Research Engineer at Nokia Research Center. He received an MSc

in Electrical Engineering from the Ruhr University in Bochum in 1996. Stefan has

worked for Alcatel as a programmer in the ﬁeld of ﬁxed line communications and

a technical trainer for broadband communication ﬁbre technology. Since 2000 he

has been working for Nokia in the area of test system implementation, TTCN-3 tool

development, and training.

FEDERICO ENGLER

Until December 2004, Federico Engler has been a Principal Engineer at Nokia Research

Center. He studied computer science at Uppsala University from 1989 till 1993. After

that, he started working for Telelogic, where he was involved in standardization

issues around TTCN-2, TTCN-3, and ASN.1, as well as TTCN-3 tool development.

In January 2003, Federico started working for Nokia in the area of automated test

solutions, which involved the mapping, documentation, and synchronization of test-

related activities at a Nokia-wide level. He has also been involved in activities around

improved visualization and documentation of tests and test results within Nokia.

STEPHAN SCHULZ

Stephan Schulz is a Senior Research Engineer at Nokia Research Center. He received

a BSc in Electrical Engineering from State University of New York at Binghamton in

1995 and an MSc and PhD in Computer Engineering from University of Arizona at

Tucson in 1997 and 2001. He has been an editor of the TTCN-3 Runtime Interface

(TRI) standard and has made a number of contributions in the ﬁeld of TTCN-3-based

text-based protocol testing. Stephan has been developing and teaching TTCN-3

courses for Nokia engineers. Currently, he is one of the main architects in the ETSI

design team of a TTCN-3 IPv6 testing library.

Foreword

TTCN ﬁrst saw the light of day as a ﬂedgling language in the mid-1980s. Since

then, it has arguably progressed to be the de facto standardized language for writing

test speciﬁcations. Here at ETSI, TTCN is the cornerstone of many complex test

speciﬁcations, covering a wide range of technologies, including GSM, UMTS, VoIP,

ISDN, WiFi, and cordless telephony (DECT).

Some ten years later, new technologies, not least the advent of the Internet and

the merging of mobile and ﬁxed telecommunications, put pressure on TTCN to

modernize. That, together with a growing perception in industry that rigorous and

efﬁcient testing was not a luxury but rather a necessity, made ETSI decide to overhaul

the original ISO/IEC TTCN speciﬁcation. The result was TTCN-3.

I had the pleasure of working with Dr Colin Willcock and Professor Jens Grabowski

to produce the very ﬁrst edition of the core speciﬁcation of TTCN-3, which was

published in 2001 and updated in 2003. Since that time, the language has gone from

strength to strength. It has a growing body of users, good tool support, and, most

importantly, a dedicated and very active maintenance team. TTCN-3 is already being

used at ETSI, for example, for SIP and IPv6 test speciﬁcations.

As is common with any programming language, the language speciﬁcation is

often not the ﬁrst place a user will go to learn her new craft. Often, this will be

done by reading a good textbook (or at least looking at the examples). Unfortunately,

the TTCN-3 community has not had this luxury–until now that is. This very ﬁrst

TTCN-3 book fulﬁls a long-awaited need and I see its publication as a milestone in the

evolution of the language. The authors of this book are uniquely qualiﬁed to explain

the details of TTCN-3 as applied to practical, real-life situations. They have a wide

experience of contributing to the development of TTCN-3, building TTCN-3 tools

and test systems, and using the language in serious commercial projects, ranging

from mobile communications to the automotive industry.

The essence of TTCN-3 is really quite simple, which partly explains its increasing

popularity. The early chapters of this book capture this essence and provide the

novice reader with a clear and intuitive introduction to the language. For the more

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