diff --git a/.gitignore b/.gitignore
index f31d514..f023cee 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,16 +1,18 @@
 .tox/
 .*.sw?
 /_build
 /oozie/glent/coordinator-*.xml
 .mypy_cache
 .cache
 /airflow/airflow.db
 /airflow/airflow.cfg
 /airflow/unittests.cfg
 /airflow/logs
 __pycache__
 # Created by scap scripts
 venv
 venv.zip
 .idea/
 target/
+airflow/coverage.xml
+coverage.xml
diff --git a/airflow/tox.ini b/airflow/tox.ini
index 555aceb..69493df 100644
--- a/airflow/tox.ini
+++ b/airflow/tox.ini
@@ -1,54 +1,55 @@
 # Tox configuration
 [tox]
 minversion = 1.6
 skipsdist = True
 # List the environment that will be run by default
 envlist = flake8,mypy,pytest
 
 [testenv]
 basepython = python3.7
 # Default configuration. py26 and py27 will end up using this
 setenv = VIRTUAL_ENV={envdir}
 py_paths = dags plugins tests
 mypy_paths = dags plugins/wmf_airflow
 
 # Settings specific to the flake8 environment
 [testenv:flake8]
 basepython = python3.7
 # The command to run:
 commands = flake8 {posargs:{[testenv]py_paths}}
 # We only need flake8 when linting, we do not care about the project dependencies
 deps = flake8
 
 [flake8]
 ignore = W503
 max-line-length = 100
 
 [testenv:mypy]
 deps =
     mypy==0.720
 ignore_errors = True
 commands = mypy {posargs:{[testenv]mypy_paths}}
 
 [testenv:pytest]
 basepython = python3.7
 commands_pre =
     /bin/rm -rf {envtmpdir}/airflow
     /bin/mkdir -p {envtmpdir}/airflow
     /bin/ln -s /{toxinidir}/dags /{toxinidir}/plugins {envtmpdir}/airflow/
     airflow initdb
     /usr/bin/env
     /bin/grep -E '^(plugins|dags)_folder' {envtmpdir}/airflow/airflow.cfg
-commands = pytest {posargs:--pyargs .}
+commands = pytest --cov=dags --cov-report xml {posargs:--pyargs .}
 deps =
     apache-airflow==1.10.6
     Werkzeug==0.16.0
     pytest
+    pytest-cov
     pytest-mock
     hmsclient
     pydruid==0.5.7
     skein
     findspark
 passenv = XDG_CACHE_HOME REBUILD_FIXTURES SPARK_HOME
 setenv = AIRFLOW_HOME = {envtmpdir}/airflow
 whitelist_externals = /bin/ln,/bin/rm,/bin/mkdir,/usr/bin/env,/bin/grep
diff --git a/sonar-project.properties b/sonar-project.properties
index 2e7e6a3..7b7b297 100644
--- a/sonar-project.properties
+++ b/sonar-project.properties
@@ -1,8 +1,9 @@
 sonar.host.url=https://sonarcloud.io
 sonar.organization=wmftest
 sonar.projectKey=discovery-analytics
 sonar.projectName=discovery-analytics
 sonar.exclusions=data/**/*
 sonar.sources=airflow/dags,spark
 sonar.analysis.gerritProjectName=wikimedia/discovery/analytics
 sonar.analysis.allowCommentOnMaster=1
+sonar.python.coverage.reportPaths=coverage.xml,airflow/coverage.xml
diff --git a/tox.ini b/tox.ini
index bd10123..6120336 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,50 +1,51 @@
 # Tox configuration
 [tox]
 minversion = 1.6
 skipsdist = True
 # List the environment that will be run by default
 envlist =
     flake8
     airflow
     mypy
     pytest
 
 [testenv]
 basepython = python3.7
 # Default configuration. py26 and py27 will end up using this
 setenv = VIRTUAL_ENV={envdir}
 
 # Settings specific to the flake8 environment
 [testenv:flake8]
 # The command to run:
 commands = flake8 {posargs:oozie/ spark/}
 # We only need flake8 when linting, we do not care about the project dependencies
 deps = flake8
 
 [flake8]
 ignore = W503
 
 [testenv:airflow]
 changedir = {toxinidir}/airflow
 commands = tox {posargs}
 whitelist_externals = tox
 passenv = XDG_CACHE_HOME REBUILD_FIXTURES SPARK_HOME
 
 [testenv:mypy]
 deps =
     mypy==0.720
     pyspark-stubs==2.4.0post5
 commands = mypy {posargs:spark/}
 
 [testenv:pytest]
 deps =
     findspark
     pytest
+    pytest-cov
     pytest-mock
     requests
     dnspython
     mwapi
     oresapi
 setenv = PYTHONPATH=spark/
 passenv = XDG_CACHE_HOME SPARK_HOME JAVA_HOME
-commands = pytest {posargs:spark/test}
+commands = pytest --cov=spark --cov-report xml {posargs:spark/test}