Add coveralls integration.

.travis.yml

@@ -7,4 +7,4 @@ before_install:
   - make prepare
 
 script:
-  - make
+  - make coveralls

Makefile

@@ -3,6 +3,7 @@
 GOLANG_VERSION=1.9.3-alpine3.7
 DEP_VERSION=0.4.1
 OS=$(shell uname | tr '[:upper:]' '[:lower:]')
+PACKAGES=$(shell go list ./...)
 
 all: deps test build
 
@@ -20,7 +21,7 @@ deps:
 	@echo ""
 
 test:
-	go test -cover -v ./...
+	go test -cover -v $(PACKAGES)
 
 build:
 	@echo "Building the binary..."
@@ -33,3 +34,7 @@ docker: server_build
 
 server_build: deps
 	docker run --rm -it -e "GOPATH=/go" -v "${PWD}:/go/src/github.com/devopsfaith/api2html" -w /go/src/github.com/devopsfaith/api2html golang:${GOLANG_VERSION} go build -o api2html
+
+coveralls: all
+	go get github.com/mattn/goveralls
+	sh coverage.sh --coveralls

README.md

@@ -1,7 +1,7 @@
 
 ![api2html](https://raw.githubusercontent.com/devopsfaith/api2html.com/master/img/API2HTML-on-white.png)
 
-[![Build Status](https://travis-ci.org/devopsfaith/api2html.svg?branch=master)](https://travis-ci.org/devopsfaith/api2html) [![Go Report Card](https://goreportcard.com/badge/github.com/devopsfaith/api2html)](https://goreportcard.com/report/github.com/devopsfaith/api2html) [![GoDoc](https://godoc.org/github.com/devopsfaith/api2html?status.svg)](https://godoc.org/github.com/devopsfaith/api2html)
+[![Build Status](https://travis-ci.org/devopsfaith/api2html.svg?branch=master)](https://travis-ci.org/devopsfaith/api2html) [![Go Report Card](https://goreportcard.com/badge/github.com/devopsfaith/api2html)](https://goreportcard.com/report/github.com/devopsfaith/api2html) [![Coverage Status](https://coveralls.io/repos/github/devopsfaith/api2html/badge.svg?branch=master)](https://coveralls.io/github/devopsfaith/api2html?branch=master) [![GoDoc](https://godoc.org/github.com/devopsfaith/api2html?status.svg)](https://godoc.org/github.com/devopsfaith/api2html)
 
 ### On the fly HTML generator from API data
 

coverage.sh

@@ -0,0 +1,53 @@
+#!/bin/sh
+# Generate test coverage statistics for Go packages.
+#
+# Works around the fact that `go test -coverprofile` currently does not work
+# with multiple packages, see https://code.google.com/p/go/issues/detail?id=6909
+#
+# Usage: script/coverage [--html|--coveralls]
+#
+#     --html      Additionally create HTML report and open it in browser
+#     --coveralls Push coverage statistics to coveralls.io
+#
+# File taken from https://github.com/mlafeldt/chef-runner/blob/v0.7.0/script/coverage
+
+set -e
+
+workdir=.cover
+profile="$workdir/cover.out"
+mode=count
+
+generate_cover_data() {
+    rm -rf "$workdir"
+    mkdir "$workdir"
+
+    for pkg in "$@"; do
+        f="$workdir/$(echo $pkg | tr / -).cover"
+        go test -covermode="$mode" -coverprofile="$f" "$pkg"
+    done
+
+    echo "mode: $mode" >"$profile"
+    grep -h -v "^mode:" "$workdir"/*.cover >>"$profile"
+}
+
+show_cover_report() {
+    go tool cover -${1}="$profile"
+}
+
+push_to_coveralls() {
+    echo "Pushing coverage statistics to coveralls.io"
+    goveralls -coverprofile="$profile"
+}
+
+generate_cover_data $(go list ./...)
+show_cover_report func
+case "$1" in
+"")
+    ;;
+--html)
+    show_cover_report html ;;
+--coveralls)
+    push_to_coveralls ;;
+*)
+    echo >&2 "error: invalid option: $1"; exit 1 ;;
+esac