fix coverage calculation

Author: jan-janssen

.github/workflows/pipeline.yml

@@ -217,7 +217,7 @@ jobs:
       timeout-minutes: 30
       run: |
         pip install . --no-deps --no-build-isolation
-        coverage run -m unittest discover tests
+        coverage run
         coverage xml
     - name: Upload coverage reports to Codecov
       uses: codecov/codecov-action@v5

README.md

@@ -1,5 +1,6 @@
 # Python Workflow Definition
 [![Pipeline](https://github.com/pythonworkflow/python-workflow-definition/actions/workflows/pipeline.yml/badge.svg)](https://github.com/pythonworkflow/python-workflow-definition/actions/workflows/pipeline.yml)
+[![codecov](https://codecov.io/github/pythonworkflow/python-workflow-definition/graph/badge.svg?token=3JXD1GN8LG)](https://codecov.io/github/pythonworkflow/python-workflow-definition)
 [![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/pythonworkflow/python-workflow-definition/HEAD)
 [![DOI](https://zenodo.org/badge/945869529.svg)](https://doi.org/10.5281/zenodo.15516179)
 

pyproject.toml

@@ -35,3 +35,7 @@ plot = [
     "networkx>=2.8.8,<=3.5",
     "ipython>=7.33.0,<=9.8.0",
 ]
+
+[tool.coverage.run]
+source = ["python_workflow_definition"]
+command_line = "-m unittest discover tests"