Building RESTful Python Web Services

Setting up unit tests

We will use nose2 to make it easier to discover and run unit tests. We will measure test coverage, and therefore, we will install the necessary package to allow us to run coverage with nose2. First, we will install the nose2 and cov-core packages in our virtual environment. The cov-core package will allow us to measure test coverage with nose2.

Make sure you quit the Tornado's HTTP server. Remember that you just need to press Ctrl + C in the Terminal or command-prompt window in which it is running. We just need to run the following command to install the nose2 package that will also install the six dependency:

pip install nose2

The last lines for the output will indicate that the nose2 package has been successfully installed: ...