Concordion is an acceptance testing framework developed by David Peterson. By blending specification and checking of your software into executable specifications, Concordion creates beautiful living documentation.

1. Concordion…
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Concordion

2. Concordion…
Concordion
It is a powerful open source tool,
written in Java, that is used to write and
manage automated acceptance tests.
NOTE: Concordion logo is taken from its official site

3. Concordion…
• Concordion directly integrates with JUnit, which allows
for easy use with IDE of your choice (Netbeans, Eclipse,
IntelliJ IDEA).
• Concordion tests are written in HTML and then
instrumented with special attributes that Concordion
interprets to execute the test.
• Concordion enriches agile processes.

4. Concordion…
• Rather than forcing product owners to specify
requirements in a specially structured language,
Concordion lets you write them in normal language
using paragraphs, tables and proper punctuation.
• This makes the specifications much more natural to
read and write, and helps everyone to understand
and agree about what a feature is supposed to do.

5. Concordion…
Using Concordion…
• Each feature or behavior needs to be specified, implemented,
and verified by the means of active specifications
• An active specification in Concordion consists of two key parts:
– A nicely written requirement document describing desired functionality
(XHTML)
– Acceptance tests are written in Java and called fixture code. Tests are
coded implementing a Concordian extension of a standard JUnit test
case. Fixture code finds example data by marked by tags and use them
to verify the system under development.

6. Concordion…
Active Software Specification

7. Concordion…
• Acceptance tests are specified using native language
and organized in Requirements (XHTML) files.
• Tests are implemented in Java and they connect
examples from requirements with Java code of the
system being tested.
• Test code is connected with the requirements
through XHTML tags, which contain Concordion
commands.

8. Concordion…
<table>
<tr><th>First Number</th><th>Second
Number</th><th>Sum</th></tr>
<tr><td>2</td><td>3</td><td>5</td></tr>
<tr><td>4</td><td>5</td><td>9</td></tr>
</table>
Consider the below code for table

9. Concordion…
then the specification would be as follows
<table>
<tr><th>First Number</th>
<th>Second Number</th>
<th>Sum</th>
</tr>
<tr concordion:execute = "#result = sum(#fullName)">
<td concordion:set = "#firstNumber">2</td>
<td concordion:set = "#secondNumber">3</td>
<td concordion:assertEquals = "#result">5</td>
</tr> <tr concordion:execute = "#result = sum(#fullName)">
<td concordion:set = "#firstNumber">4</td>
<td concordion:set = "#secondNumber">5</td>
<td concordion:assertEquals = "#result">9</td>
</tr>
</table>

10. Concordion…
Conclusions
• Concordion is a very interesting open source tool for
automating acceptance testing in your Java projects.
• It can easily be used with various IDEs.
• If used properly and pragmatically, it can be a very
good tool for managing the requirements
specifications as well.
• Concordion was originally developed for Java, but
now there are also versions for .NET, Python, Scala,
and Ruby.

11. Concordion…
Reference
1. http://www.tutorialspoint.com
2. https://en.wikipedia.org
3. http://www.methodsandtools.com/tools

12. Concordion…