add coverage reporting

Author: rkoopmans

.coveragerc

@@ -0,0 +1,8 @@
+[run]
+relative_files = True
+source = cert_chain_resolver
+
+[paths]
+source =
+    cert_chain_resolver
+    */cert_chain_resolver

.github/workflows/ci-cd.yml

@@ -14,26 +14,28 @@ jobs:
     container:
       image: python:2.7.18-buster
     steps:
-    - uses: actions/checkout@v3
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v4
-      with:
-        python-version: ${{ matrix.python-version }}
+    - uses: actions/checkout@v4
     - name: Install dependencies
       run: |
         python -m pip install -r requirements.txt  && \
         python -m pip install -r requirements_dev.txt
-    - name: Test with pytest
+    - name: Test with pytest and coverage
       run: |
-        pytest
+        pytest --cov=./cert_chain_resolver --cov-report term-missing -n auto
+    - name: Upload coverage artifact
+      if: success()
+      uses: actions/upload-artifact@v4
+      with:
+        name: coverage-2.7
+        path: .coverage
 
   Test:
     runs-on: ubuntu-latest
     strategy:
       matrix:
         python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v4
       with:
@@ -42,10 +44,48 @@ jobs:
       run: |
         python -m pip install -r requirements.txt  && \
         python -m pip install -r requirements_dev.txt
-    - name: Test with pytest
+    - name: Test with pytest and coverage
+      run: |
+        pytest --cov=./cert_chain_resolver --cov-report term-missing -n auto
+    - name: Upload coverage artifact
+      if: success()
+      uses: actions/upload-artifact@v4
+      with:
+        name: coverage-${{ matrix.python-version }}
+        path: .coverage
+
+  combine-coverage:
+    runs-on: ubuntu-latest
+    needs:
+      - Test
+      - Test-python-27
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: 3.12
+    - name: Install coverage tools
+      run: |
+        python -m pip install coverage codecov
+    - name: Download coverage artifacts
+      uses: actions/download-artifact@v4
+      with:
+        pattern: coverage-*
+    - name: Combine coverage reports
       run: |
-        pytest
+        ls -lashR .
+        set -x
+        coverage combine coverage-*/.coverage
+        coverage report
+        coverage xml -o combined_coverage.xml
 
+        coverage report --format=markdown >> $GITHUB_STEP_SUMMARY
+    - name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v4
+      with:
+        file: ./combined_coverage.xml
+        token: ${{ secrets.CODECOV_TOKEN }}
   mypy:
     runs-on: ubuntu-latest
     strategy:

README.md

@@ -3,6 +3,7 @@
 [![Licence](https://img.shields.io/badge/licence-MIT-blue.svg)](https://tldrlegal.com/license/mit-license)
 [![CI](https://github.com/rkoopmans/python-certificate-chain-resolver/actions/workflows/ci-cd.yml/badge.svg)](https://github.com/rkoopmans/python-certificate-chain-resolver/actions/workflows/ci-cd.yml)
 [![Docs](https://readthedocs.org/projects/certificate-resolver/badge/?version=latest)](https://certificate-resolver.readthedocs.io/en/latest/)
+[![codecov](https://codecov.io/github/rkoopmans/python-certificate-chain-resolver/graph/badge.svg?token=P2K55Z1KME)](https://codecov.io/github/rkoopmans/python-certificate-chain-resolver)
 [![Downloads](https://static.pepy.tech/badge/cert-chain-resolver/week)](https://pepy.tech/project/cert-chain-resolver)
 [![Python)](https://img.shields.io/pypi/pyversions/cert-chain-resolver.svg)](https://pypi.org/project/cert-chain-resolver/)
 [![PyPI - Wheel](https://img.shields.io/pypi/wheel/cert-chain-resolver)](https://pypi.org/project/cert-chain-resolver/)

tox.ini

@@ -1,14 +1,29 @@
 [tox]
-envlist = py27,py35,py36,py37,py38,py39,py310,py311,py312,mypy,mypy2
+envlist = clean,py27,py35,py36,py37,py38,py39,py310,py311,py312,mypy,mypy2
 
 [testenv]
 deps = -rrequirements_dev.txt
 commands =
-    pytest {posargs}
+    pytest --cov=cert_chain_resolver --cov-append --cov-report=term-missing {posargs}
+depends =
+    {py27,py312}: clean
+    report: py27,py312
 
 [testenv:mypy]
 basepython = python3.12
 deps =
     mypy
     -rrequirements_dev.txt
 commands = mypy cert_chain_resolver
+
+[testenv:report]
+deps = coverage
+skip_install = true
+commands =
+    coverage report
+    coverage html
+
+[testenv:clean]
+deps = coverage
+skip_install = true
+commands = coverage erase