[upstream] Add exercises to the code deep dive module

Change-Id: I5a4f0de26d15d9c0bbad009bcaaf768d9cba0118

doc/upstream-training/source/slides/code-exercises.rst

@@ -0,0 +1,57 @@
+====================
+Get to know the code
+====================
+
+.. image:: ./_assets/os_background.png
+   :class: fill
+   :width: 100%
+
+DevStack exercise
+=================
+
+- Start DevStack in a VM on your laptop or in public cloud
+- Validate the services are running
+- Choose a service and issue an API call or use its client to verify
+  functionality
+
+LOG message exercise
+====================
+
+- Add a few extra LOG.debug() lines to one of the methods of the API call you
+  chose in the previous exercise
+- Restart the corresponding service in your DevStack environment and find the
+  new message in the logs
+- Find out what parameters were passed to that method by using the LOG messages
+
+Testing
+=======
+
+- Test suits
+
+  - Unit
+  - Functional
+  - Integration
+
+- Testing framework
+
+  - Tox
+
+Testing exercise
+================
+
+- Run only one test class and not the whole suite
+- Run one test case
+- Group exercise
+
+  - Ask a mentor to break the *tested* code of one test case
+  - Find out what the modification is by running the test and analyzing the
+    test output
+
+Test coverage exercise
+======================
+
+- Find an open review which is less complex and download the patch
+- Remove the code changes and run the tests
+- Check whether the tests failed or not
+- Explain what it means if they didn't
+- Comment on the open review

doc/upstream-training/source/slides/slide-index.rst

@@ -52,6 +52,7 @@ Code Deep Dive
    :maxdepth: 1
 
    code-devstack.rst
+   code-exercises.rst
    branching-model.rst
 
 Archive

doc/upstream-training/source/website/index.rst

@@ -131,6 +131,7 @@ Code Deep Dive
 --------------
 
 * `Demo environment <code-devstack.html>`_
+* `Code exercises <code-exercises.html>`_
 
 Archive of additional training activities
 -----------------------------------------