Add codecov

.github/workflows/build.yml

@@ -42,8 +42,18 @@ jobs:
     - uses: actions/setup-python@v1
       with:
         python-version: '3.6'
-    - run: pip install tox
+    - run: pip install tox coverage
     - run: tox -e py36
+    - run: coverage combine
+    - run: coverage report
+    - run: coverage xml -i
+    - name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v1.0.2
+      with:
+        token: ${{secrets.CODECOV_TOKEN}}
+        file: ./coverage.xml
+        flags: unittests
+        name: codecov-py36
 
   py37:
     name: py37
@@ -53,5 +63,15 @@ jobs:
     - uses: actions/setup-python@v1
       with:
         python-version: '3.7'
-    - run: pip install tox
+    - run: pip install tox coverage
     - run: tox -e py37
+    - run: coverage combine
+    - run: coverage report
+    - run: coverage xml -i
+    - name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v1.0.2
+      with:
+        token: ${{secrets.CODECOV_TOKEN}}
+        file: ./coverage.xml
+        flags: unittests
+        name: codecov-py37

README.rst

@@ -1,7 +1,7 @@
 Schemathesis
 ============
 
-|Build| |Version| |Python versions| |License|
+|Build| |Coverage| |Version| |Python versions| |License|
 
 Schemathesis is a tool for testing your web applications built with Open API / Swagger specifications.
 
@@ -182,6 +182,9 @@ will be licensed under its MIT license.
 
 .. |Build| image:: https://github.com/kiwicom/schemathesis/workflows/build/badge.svg
    :target: https://github.com/kiwicom/schemathesis/actions
+.. |Coverage| image:: https://codecov.io/gh/kiwicom/schemathesis/branch/master/graph/badge.svg
+   :target: https://codecov.io/gh/kiwicom/schemathesis
+   :alt: codecov.io status for master branch
 .. |Version| image:: https://img.shields.io/pypi/v/schemathesis.svg
    :target: https://pypi.org/project/schemathesis/
 .. |Python versions| image:: https://img.shields.io/pypi/pyversions/schemathesis.svg