pytest plugin for providing variables to tests/fixtures
Project description
pytest-variables is a plugin for py.test that provides variables to tests/fixtures as a dict via a JSON file specified on the command line.
Requirements
You will need the following prerequisites in order to use pytest-variables:
Python 2.6, 2.7, 3.2, 3.3, 3.4 or PyPy
py.test 2.4 or newer
Installation
To install pytest-variables:
pip install pytest-variables
Specifying variables
Use the –variables command line option one or more times to specify paths to JSON files containing your variables:
py.test --variables foo.json --variables bar.json
If multiple files are specified then they will be applied in the order they appear on the command line. When duplicates are encountered, the last to be applied will take priority.
Accessing variables
With a JSON variables file such as:
{
"foo": "bar",
"bar": "foo"
}
Specify the variables funcarg to make the variables available to your tests. The contents of the JSON are made available as a dictionary:
def test_foo(self, variables):
assert variables['foo'] == 'bar'
assert variables.get('bar') == 'foo'
assert variables.get('missing') is None
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