Add codecov badge (#31)

* Add codecov upload action to Github Actions

* Add codecov badge to README

* Remove write coverage report

Didn't have a coverage directory initialised so cp to
dir in CI bugged out

Author: rdmolony

.github/workflows/python-package.yml

@@ -50,4 +50,14 @@ jobs:
       run: poetry run black . --check
 
     - name: Test with pytest
-      run: poetry run pytest --cov . -n 2
+      run: poetry run pytest --cov . -n 2 --cov-report=xml
+
+    - name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v1
+      with:
+        token: ${{ secrets.CODECOV_TOKEN }}
+        file: ./coverage.xml
+        flags: unittests
+        env_vars: OS,PYTHON
+        name: codecov-umbrella
+        fail_ci_if_error: true

README.md

@@ -1,4 +1,6 @@
-# Dublin Region Energy Masterplan Code Guide
+# Dublin Region Energy Masterplan (drem)
+
+[![Codecov](https://codecov.io/gh/codema-dev/drem/branch/master/graph/badge.svg)](https://codecov.io/gh/codema-dev/drem)
 
 ## Installation