Add coverage report from coveralls.io

.circleci/config.yml

@@ -5,9 +5,19 @@ jobs:
       - image: circleci/golang:latest
     working_directory: /go/src/github.com/c-robinson/iplib
 
+    environment:
+      TEST_RESULTS: /tmp/test-results
+
     steps:
       - checkout
+      - run: mkdir -p $TEST_RESULTS
+      - run: go get github.com/mattn/goveralls
       - run:
           name: Run unit tests
           command: |
-            go test -v ./...
+            go test -v -cover -race -coverprofile=${TEST_RESULTS}/coverage.out ./...
+      - run:
+          name: Upload coverage results
+          command: |
+            goveralls -coverprofile=${TEST_RESULTS}/coverage.out -service=circle-ci -repotoken=$COVERALLS_TOKEN
+            

README.md

@@ -10,6 +10,7 @@ addresses. Tools include:
 [![Documentation](https://godoc.org/github.com/c-robinson/iplib?status.svg)](http://godoc.org/github.com/c-robinson/iplib)
 [![CircleCI](https://circleci.com/gh/c-robinson/iplib/tree/master.svg?style=svg)](https://circleci.com/gh/c-robinson/iplib/tree/master)
 [![Go Report Card](https://goreportcard.com/badge/github.com/c-robinson/iplib)](https://goreportcard.com/report/github.com/c-robinson/iplib)
+[![Coverage Status](https://coveralls.io/repos/github/c-robinson/iplib/badge.svg?branch=master)](https://coveralls.io/github/c-robinson/iplib?branch=master)
 
 ##### net.IP tools