Merge pull request #34 from mboersma/add-coverage

feat(test-cover.sh): add go code coverage test script

Author: mboersma

.travis.yml

@@ -3,7 +3,7 @@ language: generic
 services:
   - docker
 
-script: make build
+script: make build test
 
 deploy:
   provider: script

Makefile

@@ -4,7 +4,7 @@ IMAGE_PREFIX ?= deis
 IMAGE := ${REGISTRY}${IMAGE_PREFIX}/go-dev:${VERSION}
 
 # scripts are checked *after* build, so use paths inside the container
-SHELL_SCRIPTS = /usr/local/bin/gen-changelog.sh
+SHELL_SCRIPTS = /usr/local/bin/gen-changelog.sh /usr/local/bin/test-cover.sh
 
 # dockerized development environment variables
 DEV_ENV_PREFIX := docker run --rm -e GO15VENDOREXPERIMENT=1

README.md

@@ -18,6 +18,7 @@ creating [issues][] and submitting [pull requests][].
 * [gox][]: simple go cross-compiling tool
 * [jq][]: command-line JSON processor
 * [shellcheck][]: static analysis for shell scripts
+* [test-cover.sh][]: test coverage for multiple go packages
 * [upx][]: executable packer
 
 ## Usage
@@ -60,4 +61,5 @@ The latest deis/go-dev Docker image is available at:
 [pull requests]: https://github.com/deis/docker-go-dev/pulls
 [Quay.io]: https://quay.io
 [shellcheck]: https://github.com/koalaman/shellcheck
+[test-cover.sh]: https://github.com/deis/docker-go-dev/tree/master/rootfs/usr/local/bin/test-cover.sh
 [upx]: http://upx.sourceforge.net/

rootfs/usr/local/bin/test-cover.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+IFS=$'\n\t'
+
+# shellcheck disable=SC2046
+pkgs=$(go list $(glide novendor))
+
+echo "" > coverage.txt
+for p in $pkgs; do
+    go test -covermode=atomic -coverprofile=profile.out "$p"
+    if [ -s profile.out ]; then
+        cat profile.out >> coverage.txt
+    fi
+    rm -f profile.out
+done