Merge pull request #3 from nxshock/coverall

Add Coverall test

.travis.yml

@@ -4,7 +4,5 @@ go:
   - 1.12.x
 env:
   - GO111MODULE=on
-before_install:
-  - make update-deps
 install:
-  - make
+  - make test

Makefile

@@ -1,5 +1,11 @@
-all:
-	go test ./...
+all: install test
+
+install:
 	go install github.com/nxshock/signaller/cmd
 update-deps:
 	go mod tidy
+test: update-deps
+	go get golang.org/x/tools/cmd/cover
+	go get github.com/mattn/goveralls
+	go test ./... -v -covermode=count -coverprofile=coverage.out
+	$(HOME)/gopath/bin/goveralls -coverprofile=coverage.out -service=travis-ci