Add coverage and badges (#2)

* add badges

* add coverage

.github/workflows/test_and_build.yml

@@ -1,5 +1,5 @@
 on: [push, pull_request]
-name: run tests
+name: test and build
 jobs:
   lint:
     runs-on: ubuntu-latest
@@ -30,6 +30,16 @@ jobs:
       uses: actions/checkout@v1
     - name: Run tests
       run: make test
+    - name: Convert coverage to lcov
+      uses: jandelgado/gcov2lcov-action@v1.0.0
+      with:
+          infile: coverage.out
+          outfile: coverage.lcov
+    - name: Coveralls
+      uses: coverallsapp/github-action@v1.0.1
+      with:
+          github-token: ${{ secrets.github_token }}
+          path-to-lcov: coverage.lcov
 
   build:
     runs-on: ubuntu-latest

README.md

@@ -1,5 +1,9 @@
 # gcov2lcov
 
+[![Build Status](https://github.com/jandelgado/gcov2lcov/workflows/run%20tests/badge.svg)](https://github.com/jandelgado/gcov2lcov/actions?workflow=run%20tests)
+[![Coverage Status](https://coveralls.io/repos/github/jandelgado/gcov2lcov/badge.svg?branch=master)](https://coveralls.io/github/jandelgado/gcov2lcov?branch=master)
+[![Go Report Card](https://goreportcard.com/badge/github.com/jandelgado/gcov2lcov)](https://goreportcard.com/report/github.com/jandelgado/gcov2lcov)
+
 Convert golang test coverage to lcov format (which can for example be uploaded
 to coveralls).