diff --git a/.coveragerc b/.coveragerc
new file mode 100644
index 0000000..526bbe3
--- /dev/null
+++ b/.coveragerc
@@ -0,0 +1,9 @@
+[run]
+source = physicsLab/
+omit = */mido/*
+
+[report]
+show_missing = False
+
+[json]
+output = coverage.json
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 629260a..bbfc71c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -29,8 +29,12 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install typing-extensions requests colorama
+        pip install typing-extensions requests colorama coverage
 
     - name: Test with unittest
       run: |
-        python -m unittest test_pl -v
+        coverage run -m unittest test_pl -v
+
+    - name: Generate coverage report
+      run: |
+        coverage report
diff --git a/.gitignore b/.gitignore
index 211adf6..0f0dfce 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
-/.*
+.coverage
+htmlcov/
 
 /venv