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Titan TTCN3 Testsuites » History » Revision 10

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osmith, 09/05/2018 01:06 PM
add installation instructions mentioning docker-ce, link to the patch for the "debian-jessie-build not found" problem


Osmocom Titan TTCN3 Testsuites

In 2017, Osmocom started to create extensive tests suites for the Cellular Network Infrastructure elements. Those suites are written in the TTCN-3 programming language and use the compiler + executor of the Eclipse_TITAN project.

Source Code / Patches

The source code of our test suites lives in the osmo-ttcn3-hacks repository

We're following the Gerrit process for patch review.

Test Suites

Implementation under Test Testsuite Jenkins
bsc-nat http://git.osmocom.org/osmo-ttcn3-hacks/tree/bsc-nat -
OsmoBSC http://git.osmocom.org/osmo-ttcn3-hacks/tree/bsc https://jenkins.osmocom.org/jenkins/view/TTCN3/job/ttcn3-bsc-test/
OsmoBTS http://git.osmocom.org/osmo-ttcn3-hacks/tree/bts https://jenkins.osmocom.org/jenkins/view/TTCN3/job/ttcn3-bts-test/
OsmoGGSN http://git.osmocom.org/osmo-ttcn3-hacks/tree/ggsn_tests https://jenkins.osmocom.org/jenkins/view/TTCN3/job/ttcn3-ggsn-test/
OsmoHLR http://git.osmocom.org/osmo-ttcn3-hacks/tree/hlr https://jenkins.osmocom.org/jenkins/view/TTCN3/job/ttcn3-hlr-test/
OsmoMGW http://git.osmocom.org/osmo-ttcn3-hacks/tree/mgw https://jenkins.osmocom.org/jenkins/view/TTCN3/job/ttcn3-mgw-test/
OsmoMSC http://git.osmocom.org/osmo-ttcn3-hacks/tree/msc https://jenkins.osmocom.org/jenkins/view/TTCN3/job/ttcn3-msc-test/
OsmoPCU http://git.osmocom.org/osmo-ttcn3-hacks/tree/pcu -
OsmoSGSN http://git.osmocom.org/osmo-ttcn3-hacks/tree/sgsn https://jenkins.osmocom.org/jenkins/view/TTCN3/job/ttcn3-sgsn-test/
osmo-sip-connector http://git.osmocom.org/osmo-ttcn3-hacks/tree/sip https://jenkins.osmocom.org/jenkins/view/TTCN3/job/ttcn3-sip-test/

Running a testsuite

You have multiple options on how to execute a test suite.

Running test suite in the dockerized environment

This is the much easier way to run the test suite. No manual configuration of Osmocom programs or the test suite are required. Both the Osmocom program (Implementation Under Test) as well as the test suite are packaged as docker containers, which are then executed next to each other using a docker network with the "right" addresses between IUT and testsuite.

Also, using this setup you will be guaranteed to run in the exact same environment as the automatically-executed tests on jenkins.osmocom.org, i.e. your results should be exactly identical, without any differences introduced by your runtime environment, whether specific library versions or intentional or inadvertent configuration differences.

Installing docker

Make sure you have *docker-ce* installed (not to be confused with the possibly outdated version that may be shipped in your distribution's repositories). Check that the version string contains -ce as follows:

$ docker -v
Docker version 18.06.1-ce, build e68fc7a

Next, add yourself to the docker group, log off and on again, and verify that you can use docker from your user:

$ docker info

Cloning docker-playground

First install docker on your system and add yourself to the docker group. Then clone and build the containers from the docker-playground git repository:

$ git clone git://git.osmocom.org/docker-playground
$ cd docker-playground

In theory you could run make now to build all containers. However, not all of them are maintained, so this will most likely fail. Instead take a look at the Jenkins script of a specific project to figure out its dependencies and then build these containers.

Running a testsuite

Let's assume you'd want to run the testsuite for OsmoBSC. You would need to
  1. look at its jenkins.sh to understand which containers are required.
  2. build those respective containers - at time of writing, this would be:
    $ make osmo-stp-master osmo-bsc-master osmo-bts-master ttcn3-bsc-test
    
  3. run the jenkins.sh script of the ttcn3-bsc-test suite:
    $ cd ttcn3-bsc-test && ./jenkins.sh
    
The jenkins.sh script will make sure to
  • create the needed docker network[s]
  • run all the required containers (IUT, helpers, testsuite)
  • shut them down after test suite execution
  • collect the log files after execution, /tmp/logs will contain them

Tagging images

If the build fails with a message like the following:

repository docker.io/laforge/debian-jessie-build not found: does not exist or no pull access

Then apply this patch and try again (sent to review, will likely be merged soon).

Running only a sub-set of the test cases

FIXME

Running it native on your machine

This is the most complicated bit to set-up, as you will have to run the respective Osmocom Program (Implementation Under Test) in the right configuration with all the IP addresses, port numbers, config file, etc. exactly like it's expected by the test suite.

You will need a deeper understanding about how the test suite works, and what its requirement are.

Running only a sub-set of the test cases

FIXME

Further information

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Updated by osmith over 5 years ago · 10 revisions

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