diff --git a/.gitignore b/.gitignore
index 140c705..2c4ffdb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -28,15 +28,10 @@ key.pem
 config.yml
 bin/*
 .DS_Store
-coverage.txt
-coverage.xml
-report.xml
 gorush/log/*.log
 build.tar.gz
 gorush.tar.gz
 gorush.db
 vendor
-lint.txt
-vet.txt
 Dockerfile.tmp
-junit.txt
+.cover
diff --git a/.travis.yml b/.travis.yml
index ea802cb..d411d82 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -41,4 +41,4 @@ after_success:
     && test "$TRAVIS_PULL_REQUEST" == "false" && cd $TRAVIS_BUILD_DIR && make docker_build
   - test "$TRAVIS_BRANCH" == "master" && test "$TRAVIS_GO_VERSION" == "1.6.2"
     && test "$TRAVIS_PULL_REQUEST" == "false" && cd $TRAVIS_BUILD_DIR && make deploy tag=latest
-  - bash <(curl -s https://codecov.io/bash)
+  - bash <(curl -s https://codecov.io/bash) -f .cover/coverage.txt
diff --git a/Makefile b/Makefile
index c20eea6..8e2ccec 100644
--- a/Makefile
+++ b/Makefile
@@ -25,25 +25,25 @@ build: clean
 	sh script/build.sh $(VERSION)
 
 coverage:
-	@sh go.test.sh atomic | tee junit.txt
+	sh ./script/coverage.sh testing atomic
 
 test: redis_test boltdb_test memory_test config_test
-	go test -v -cover -covermode=count -coverprofile=coverage.txt ./gorush/...
+	go test -v -cover ./gorush/...
 
 redis_test: init
-	go test -v -cover -covermode=count -coverprofile=coverage.txt ./storage/redis/...
+	go test -v -cover ./storage/redis/...
 
 boltdb_test: init
-	go test -v -cover -covermode=count -coverprofile=coverage.txt ./storage/boltdb/...
+	go test -v -cover ./storage/boltdb/...
 
 memory_test: init
-	go test -v -cover -covermode=count -coverprofile=coverage.txt ./storage/memory/...
+	go test -v -cover ./storage/memory/...
 
 config_test: init
-	go test -v -cover -covermode=count -coverprofile=coverage.txt ./config/...
+	go test -v -cover ./config/...
 
 html:
-	go tool cover -html=coverage.txt
+	go tool cover -html=.cover/coverage.txt
 
 docker_build: clean
 	tar -zcvf build.tar.gz gorush.go gorush config storage Makefile glide.lock glide.yaml
@@ -87,16 +87,16 @@ vet:
 	@go vet -n -x ./...
 
 junit_report:
-	cat junit.txt | go-junit-report > report.xml
+	sh ./script/coverage.sh junit
 
 coverage_report:
-	gocov convert coverage.txt | gocov-xml > coverage.xml
+	sh ./script/coverage.sh coverage
 
 lint_report:
-	golint ./... > lint.txt
+	sh ./script/coverage.sh lint
 
 vet_report:
-	go vet -n -x ./... > vet.txt
+	sh ./script/coverage.sh vet
 
 report: junit_report coverage_report lint_report vet_report
 
@@ -106,5 +106,4 @@ clean:
 		gorush.tar.gz \
 		gorush/gorush.db \
 		storage/boltdb/gorush.db \
-		*.txt \
-		*.xml
+		.cover
diff --git a/go.test.sh b/go.test.sh
deleted file mode 100755
index eae93e0..0000000
--- a/go.test.sh
+++ /dev/null
@@ -1,26 +0,0 @@
-#!/usr/bin/env bash
-
-set -e
-
-output() {
-  printf "\033[32m"
-  echo $1
-  printf "\033[0m"
-  exit 1
-}
-
-coverage_mode=$1
-
-test -z $coverage_mode && output "Usage: $0 coverage_mode"
-test -z $(which glide) && output "glide command not found"
-
-test -f coverage.txt && rm -rf coverage.txt
-echo "mode: ${coverage_mode}" > coverage.txt
-
-for d in $(go list ./... | grep -v vendor); do
-  go test -v -cover -coverprofile=profile.out -covermode=${coverage_mode} $d
-  if [ -f profile.out ]; then
-    sed '1d' profile.out >> coverage.txt
-    rm profile.out
-  fi
-done
diff --git a/script/coverage.sh b/script/coverage.sh
new file mode 100755
index 0000000..2c1dbd8
--- /dev/null
+++ b/script/coverage.sh
@@ -0,0 +1,94 @@
+#!/bin/sh
+#
+# Generate test coverage statistics for Go packages.
+#
+
+set -e
+
+output() {
+  printf "\033[32m"
+  echo $1
+  printf "\033[0m"
+
+  if [ "$2" = 1 ]; then
+    exit 1
+  fi
+}
+
+workdir=".cover"
+coverage_report="$workdir/coverage.txt"
+coverage_xml_report="$workdir/coverage.xml"
+junit_report="$workdir/junit.txt"
+junit_xml_report="$workdir/report.xml"
+lint_report="$workdir/lint.txt"
+vet_report="$workdir/vet.txt"
+packages=$(go list ./... | grep -v vendor)
+
+test -d $workdir || mkdir -p $workdir
+
+show_help() {
+cat << EOF
+Generate test coverage statistics for Go packages.
+
+  testing [set|count|atomic]     Run go testing for all packages
+  coverage                       Generate coverage report for all packages
+  junit                          Generate coverage xml report for junit plugin
+  lint                           Generate Lint report for all packages
+  vet                            Generate Vet report for all packages
+EOF
+}
+
+testing() {
+  test -f ${junit_report} && rm -f ${junit_report}
+  coverage_mode=$@
+  for pkg in $packages; do
+    f="$workdir/$(echo $pkg | tr / -).cover"
+    output "Testing coverage report for ${pkg}"
+    go test -v -cover -coverprofile=${f} -covermode=${coverage_mode} $pkg | tee -a ${junit_report}
+  done
+
+  output "Convert all packages coverage report to $coverage_report"
+  echo "mode: $coverage_mode" > "$coverage_report"
+  grep -h -v "^mode:" "$workdir"/*.cover >> "$coverage_report"
+}
+
+generate_cover_report() {
+  gocov convert ${coverage_report} | gocov-xml > ${coverage_xml_report}
+}
+
+generate_junit_report() {
+  cat $junit_report | go-junit-report > ${junit_xml_report}
+}
+
+generate_lint_report() {
+  for pkg in $packages; do
+    output "Go Lint report for ${pkg}"
+    golint ${pkg} | tee -a ${lint_report}
+  done
+}
+
+generate_vet_report() {
+  for pkg in $packages; do
+    output "Go Vet report for ${pkg}"
+    go vet -n -x ${pkg} | tee -a ${vet_report}
+  done
+}
+
+case "$1" in
+  "")
+    show_help ;;
+  testing)
+    mode=$2
+    test -z $mode && mode="set"
+    testing $mode ;;
+  coverage)
+    generate_cover_report ;;
+  junit)
+    generate_junit_report ;;
+  lint)
+    generate_lint_report ;;
+  vet)
+    generate_vet_report ;;
+  *)
+    show_help ;;
+esac