Add min 95% code coverage (#229)

Run the tests with `coverage`, and make sure the min coverage is 95%.

.github/workflows/tests.yml

@@ -50,8 +50,8 @@ jobs:
           enable-cache: true
       - name: Install dependencies
         run: make sync
-      - name: Run tests
+      - name: Run tests with coverage
-        run: make tests
+        run: make coverage
 
   build-docs:
     runs-on: ubuntu-latest

Makefile

@@ -18,6 +18,13 @@ mypy:
 tests: 
 	uv run pytest 
 
+.PHONY: coverage
+coverage:
+	
+	uv run coverage run -m pytest
+	uv run coverage xml -o coverage.xml
+	uv run coverage report -m --fail-under=95
+
 .PHONY: snapshots-fix
 snapshots-fix: 
 	uv run pytest --inline-snapshot=fix 
@@ -43,3 +50,5 @@ serve-docs:
 deploy-docs:
 	uv run mkdocs gh-deploy --force --verbose
 
+	
+