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# Testing Stetl
Testing is done with Python unittest and run with 'nose2',
see http://nose2.readthedocs.io/en/latest/
## Unit Testing
To install and run with nose2:
pip install nose2
To execute nose2:
nose2 [options]
Coverage plugin:
pip install cov-core
Or install all dependencies at once (in root dir):
pip3 install -r requirements-dev.txt
Execution with coverage (from root dir):
nose2 --with-coverage
nose2 --with-coverage -coverage-report html
The test coverage is written to the dir htmlcov.
Mock objects: mock
pip install mock
More information: http://www.voidspace.org.uk/python/mock/
When executing nose2, all directories are scanned for tests. See the nose2 documentation how this is done.
Regarding the coverage: if you specify the tests directory, only the coverage of the unit tests themselves is reported.
If you would like to see coverage for the source files as well, you need to execute nose2 from the Stetl root dir.
## Unit Testing within Docker Container
In root dir:
docker build -t geopython/stetltest:latest -f Dockerfile.test .
Run `nose2` within Docker Image:
docker run geopython/stetltest:latest
See also the [.travis.yml](../.travis.yml) file.
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