MockServer: Easy mocking of HTTP(S) services (e.g. SOAP or JSON) by Maarten Smeets

August 11, 2014 1 Comment

Testing services as an atomic entity can be difficult. Especially if these services are part of a call chain or call other services. Often in such cases mock services are developed to reduce test dependencies and exclude services which are not interesting to the specific test case. For example, I’m testing service A. Service A calls service B. I’m not interested in service B (or service B is maintained by another department on which I don’t want to depend). I would mock service B when testing service A in this case. There are several methods to create mock services. These methods however are mostly not easily usable by testers since they require developing/coding mock services. Testers would benefit from being able to create their own mock services in order to create different tests for a specific service.

In this blog post I provide a brief introduction and describe some features of MockServer. An open source product which can be used to mock services. For a more detailed article (with more examples) you can look at the following written by my colleague Robert van Mölken:  Read the complete article here.

 

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Controlling BPEL process flow at runtime by Maarten Smeets

July 9, 2014 Leave a comment

When using Oracle BPEL it is often desirable to allow a certain amount of configuration of the process flow at runtime. To allow configuration, properties/preferences/parameters can be used. These can be implemented in various ways. Lucas Jellema has described a method in the Oracle SOA Suite 11g Handbook (http://www.amazon.com/Oracle-SOA-Suite-Handbook-Press/dp/0071608974 page 252) for system parameters which uses Business Rules. In this blog post, I compare three other methods; using Domain Value Maps, using BPEL preferences and using a database table. I look at performance, development, re-use potential, updating the preference at runtime and when to use which method.

Implementation
For comparing the different methods I used a simple synchronous HelloWorld BPEL process with audit logging turned off. The property to be fetched is the greeting (Hello). The process itself returns its input prepended by the greeting followed by a space. Thus for example input: Maarten, output: Hello Maarten.

Domain Value Map
Domain Value Maps (http://docs.oracle.com/cd/E14571_01/integration.1111/e10224/med_dvm.htm) are an underestimated feature from Oracle SOA Suite. An XML file called DVM (domain value map) allows storing domains and domain values. In JDeveloper wizards are available to create and fill the DVM file. XPath expressions can be used to easily query these domains and use them in for example BPEL, BPM or the OSB (http://guidoschmutz.wordpress.com/2009/12/25/implement-domain-value-maps-dvm-with-oracle-service-bus-osb-10r3/). The SOA Composer (http://docs.oracle.com/cd/E15523_01/integration.1111/e10224/med_dvm_ui.htm) provides a GUI for editing DVM’s at runtime. DVM’s can be shared among processes by putting them in the MDS.

Development
The below screenshot shows how JDeveloper makes it easy to create and use a DVM. In one screenshot how a DVM can be edited at design-time in the top/left part of the screenshot and XPath expressions can be used (bottom part) to let the BPEL process query the DVM at runtime. Read the complete article here.

 

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For regular information on Oracle SOA Suite become a member in the SOA & BPM Partner Community for registration please visit www.oracle.com/goto/emea/soa (OPN account required) If you need support with your account please contact the Oracle Partner Business Center.

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