Add Coveralls integration

.travis.yml

@@ -9,7 +9,7 @@ before_install:
 # Parallelize these tasks
 env:
   - TARGET=vet
-  - TARGET=test #ci-coveralls
+  - TARGET=ci-coveralls
 
 # Need the job ID in order to upload the Coveralls data
 script:

Dockerfile.ci

@@ -1,4 +1,9 @@
 FROM operable/go:1.6.3
 
+# TODO: Consider adding goveralls to base image
+ENV PATH=${GOPATH}/bin:${PATH}
+# Add goveralls for sending stats to coveralls.io in Travis CI
+RUN go get github.com/mattn/goveralls
+
 COPY . $GOPATH/src/github.com/operable/go-relay
 WORKDIR $GOPATH/src/github.com/operable/go-relay

Makefile

@@ -41,6 +41,11 @@ test: tools deps lint
 	@rm -rf relay_*_amd64
 	@go test -v -cover $(FULL_PKGS)
 
+# This is only intended to run in Travis CI and requires goveralls to
+# be installed.
+ci-coveralls: tools deps
+	goveralls -service=travis-ci
+
 clean:
 	rm -rf $(BUILD_DIR) relay-test
 	find . -name "*.test" -type f | xargs rm -fv

README.md

@@ -1,6 +1,7 @@
 # Relay
 
 [![Build Status](https://travis-ci.org/operable/go-relay.svg?branch=master)](https://travis-ci.org/operable/go-relay)
+[![Coverage Status](https://coveralls.io/repos/github/operable/go-relay/badge.svg?branch=master)](https://coveralls.io/github/operable/go-relay?branch=master)
 
 ## Dependencies