英文:
How to visualize code coverage information on Go GAE apps?
问题
我正在使用最新的Go GAE SDK开发一个服务器。我在每次更改后运行测试：
goapp test -test.v=true
我使用-cover来记录覆盖率，如goapp help testflag所述：
goapp test -cover -test.v=true -test.coverprofile=c.out
[..]
覆盖率：53.8％的语句
ok _/var/lib/jenkins/jobs/loyalty/workspace 30.464s
这个命令成功完成并打印出测试覆盖率的百分比。然而，尝试可视化结果失败：
goapp tool cover -html=c.out
cover: 找不到"app.go"：无法在以下任何位置找到包"/home/ingo/git/loyalty/":
/home/ingo/Downloads/go_appengine_sdk_linux_amd64-1.9.10/go_appengine/goroot/src/pkg//home/ingo/git/loyalty (from $GOROOT)
/home/ingo/git/loyalty/src/_/home/ingo/git/loyalty (from $GOPATH)
Go的覆盖工具只适用于非GAE应用程序吗？我需要以不同的方式打包我的应用程序才能可视化覆盖结果吗？
我之前在golang-nuts上提问过，但没有成功解决。
英文:
I am developing a server with the latest Go GAE SDK. I am running tests after every change:
goapp test -test.v=true
I am using -cover to record coverage as described by goapp help testflag:
goapp test -cover -test.v=true -test.coverprofile=c.out
[..]
coverage: 53.8% of statements
ok _/var/lib/jenkins/jobs/loyalty/workspace 30.464s
This completes successfully and prints the percentage of lines covered by tests. However, attempting to visualize the results fails:
goapp tool cover -html=c.out
cover: can't find "app.go": cannot find package "_/home/ingo/git/loyalty/" in any of:
/home/ingo/Downloads/go_appengine_sdk_linux_amd64-1.9.10/go_appengine/goroot/src/pkg/_/home/ingo/git/loyalty (from $GOROOT)
/home/ingo/git/loyalty/src/_/home/ingo/git/loyalty (from $GOPATH)
Does Go's cover tool only work on non-GAE apps? Do I have to package my app differently in order to visualize the coverage results?
I unsuccessfully asked this on golang-nuts before.
答案1
得分: 5
有一个与此相关的未解决问题。作为一个临时解决方法，我在收集和可视化覆盖率结果之间运行了sed命令。
goapp test -cover -test.v=true -test.coverprofile=c.out
sed -i -e "s#.*/\(.*\.go\)#\./\#" c.out
goapp tool cover -html c.out -o coverage.html
英文:
There is an open issue related to it. As a temporary workaround, I am running sed in between collecting and visualizing the coverage results.
goapp test -cover -test.v=true -test.coverprofile=c.out
sed -i -e "s#.*/\(.*\.go\)#\./\#" c.out
goapp tool cover -html c.out -o coverage.html
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