如何测量Golang中的代码覆盖率？

问题描述

有没有人成功为Go单元测试生成代码覆盖率？我无法在网上找到该工具。

注意，现在将显示 ：

  $ go get golang.org/x/tools/cmd / cover 
  

  $ go test -coverprofile fmt 
 ok fmt 0.060s覆盖率：报表的91.4％
 $ 
  

  go test -coverprofile< filename> <包名称> 
  

  $ go help testflag 
 $ go tool cover -help 
  

---

提及：

我甚至不想等浏览器打开，所以我定义了这个别名：

 别名gc = grep -v -e1 $coverage.out 
  

我只需输入 gc ，并列出所有行 （ coverage.out 行 not 结尾为< 1 c $ c>）。

Has anyone succeeded in generating code coverage for Go unit tests? I can't find a tool for that on the web.

解决方案

Note that Go 1.2 (Q4 2013, rc1 is available) will now display test coverage results:

$ go get golang.org/x/tools/cmd/cover

$ go test -coverprofile fmt
ok      fmt 0.060s  coverage: 91.4% of statements
$

Frank Shearar mentions:

go test -coverprofile <filename> <package name>

$ go help testflag
$ go tool cover -help

---

Ivan Black mentions in the comments:

I don't even want to wait for the browser to open, so I defined this alias:

alias gc=grep -v -e " 1$" coverage.out

That I just type gc, and have a list of all the lines not yet covered (here: with a coverage.out line not ending with " 1").

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