[CI] Let's add badges (#112)

---------
Co-authored-by: Roland Guichard <roland.guichard@pasqal.com>

Author: Yoric

.github/workflows/test.yml

@@ -37,12 +37,10 @@ jobs:
       run: |
         hatch -v run test
         hatch -v run test_readme
-    - name: Upload coverage data
-      uses: actions/upload-artifact@v4
+    - name: Upload coverage reports to Codecov
+      uses: codecov/codecov-action@v5
       with:
-        name: "coverage-data"
-        path: .coverage.*
-        if-no-files-found: ignore
+        token: ${{ secrets.CODECOV_TOKEN }}
 
   test_doc:
     name: Test that we can build the docs

README.md

@@ -1,3 +1,7 @@
+[![PyPI version](https://badge.fury.io/py/quantum-evolution-kernel.svg)](https://pypi.org/project/quantum-evolution-kernel/)
+[![Tests](https://github.com/pasqal-io/quantum-evolution-kernel/actions/workflows/test.yml/badge.svg)](https://github.com/pasqal-io/quantum-evolution-kernel/actions/workflows/test.yml)
+![Coverage](https://img.shields.io/codecov/c/github/pasqal-io/quantum-evolution-kernel?style=flat-square)
+
 # Quantum Evolution Kernel
 
 

pyproject.toml

@@ -75,12 +75,12 @@ dependencies = [
 
 [tool.hatch.envs.default.scripts]
 before_tests = "python scripts/before_tests.py"
-test = "pytest -n auto --cov-report=term-missing --cov-config=pyproject.toml --cov=qek --cov=tests --markdown-docs {args}"
+test = "pytest -n auto --cov-report=xml --cov-config=pyproject.toml --cov=qek --cov=tests --markdown-docs {args}"
 test_readme = "pytest --markdown-docs README.md docs/"
 
 [tool.pytest.ini_options]
 testpaths = ["tests"]
-addopts = """-vvv --cov-report=term-missing --cov-config=pyproject.toml --cov=qek --cov=tests --markdown-docs"""
+addopts = """-vvv --cov-report=xml --cov-config=pyproject.toml --cov=qek --cov=tests --markdown-docs"""
 xfail_strict = true
 filterwarnings = [
   "ignore:Call to deprecated create function FieldDescriptor",