diff --git a/Makefile b/Makefile
index 448cd95d..aec84f55 100644
--- a/Makefile
+++ b/Makefile
@@ -5,6 +5,9 @@ test:
 	pycodestyle --max-line-length=120 tests
 	pycodestyle --max-line-length=120 src
 
+coverage:
+	pytest --cov=src tests
+
 docs: html
 
 html: apidocs
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index aa73ad99..b447bdb2 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -41,7 +41,8 @@ jobs:
 
   - script: |
       pip install pytest
-      pytest tests --doctest-modules --verbose --junitxml=junit/test-results.xml
+      pip install pytest-cov
+      pytest tests --doctest-modules --cov src --cov-report html --verbose --junitxml=junit/test-results.xml
     displayName: 'pytest'
 
   - task: PublishTestResults@2