feature: add code coverage to github actions

.github/workflows/R-CMD-check.yaml

@@ -30,8 +30,10 @@ jobs:
 
       - uses: r-lib/actions/setup-r-dependencies@v1
         with:
-          extra-packages: rcmdcheck
-
+          extra-packages: |
+            rcmdcheck
+            covr
+            
       - uses: r-lib/actions/check-r-package@v1
 
       - name: Show testthat output
@@ -45,3 +47,7 @@ jobs:
         with:
           name: ${{ runner.os }}-r${{ matrix.config.r }}-results
           path: check
+
+      - name: Test coverage
+        run: covr::codecov()
+        shell: Rscript {0}

README.md

@@ -7,6 +7,7 @@ developed.](https://www.repostatus.org/badges/latest/active.svg)](https://www.re
 [![CRAN_Status_Badge](http://www.r-pkg.org/badges/version-ago/noctua)](https://CRAN.R-project.org/package=noctua)
 ![downloads](https://cranlogs.r-pkg.org/badges/noctua)
 [![Codecov test coverage](https://codecov.io/gh/DyfanJones/noctua/branch/master/graph/badge.svg)](https://codecov.io/gh/DyfanJones/noctua?branch=master)
+[![R build status](https://github.com/dyfanjones/noctua/workflows/R-CMD-check/badge.svg)](https://github.com/dyfanjones/noctua/actions)
 
 The goal of the `noctua` package is to provide a DBI-compliant interface
 to Amazon’s Athena (<https://aws.amazon.com/athena/>) using [`paws`](https://github.com/paws-r/paws) SDK.