add coverage generation in CI

use doecov for serve coverages

.gitignore

@@ -24,3 +24,4 @@ nagome
 *.exe
 *.test
 *.prof
+coverage.txt

.travis.yml

@@ -14,6 +14,10 @@ script:
     - golint ./...
     - go vet ./...
     - make test
+    - make coverage
+
+after_success:
+    - bash <(curl -s https://codecov.io/bash)
 
 notifications:
     slack:

Makefile

@@ -26,3 +26,14 @@ clean:
 .PHONY: test
 test:
 	go test -v -race $(GOPACKAGES)
+
+.PHONY: coverage
+coverage:
+	echo "" > coverage.txt
+	for d in $(GOPACKAGES); do \
+		go test -coverprofile=profile.out -covermode=atomic "$$d"; \
+		if [ -f profile.out ]; then \
+			cat profile.out >> coverage.txt; \
+			rm profile.out; \
+		fi \
+	done

README.md

@@ -3,6 +3,7 @@ Nagome
 
 [![GoDoc](https://godoc.org/github.com/diginatu/nagome?status.svg)](https://godoc.org/github.com/diginatu/nagome)
 [![Build Status](https://travis-ci.org/diginatu/nagome.svg?branch=master)](https://travis-ci.org/diginatu/nagome)
+[![codecov](https://codecov.io/gh/diginatu/nagome/branch/master/graph/badge.svg)](https://codecov.io/gh/diginatu/nagome)
 
 Advanced NicoLive Comment Viewer written in go.