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Coverage testing tool for The Go Programming Language

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README.md

gocov

Coverage reporting tool for The Go Programming Language

Build Status

Installation

go get github.com/axw/gocov/gocov

Usage

There are currently four gocov commands: test, convert, report and annotate.

gocov test

Running gocov test [args...] will run go test [args...] with an implicit -coverprofile added, and then output the result of gocov convert with the profile.

gocov convert

Running gocov convert <coverprofile> will convert a coverage profile generated by go tool cover to gocov's JSON interchange format. For example:

go test -coverprofile=c.out
gocov convert c.out | gocov annotate -

gocov report

Running gocov report <coverage.json> will generate a textual report from the coverage data output by gocov convert. It is assumed that the source code has not changed in between.

Output from gocov test is printed to stdout so users can pipe the output to gocov report to view a summary of the test coverage, for example: -

gocov test | gocov report

gocov annotate

Running gocov annotate <coverage.json> <package[.receiver].function> will generate a source listing of the specified function, annotating it with coverage information, such as which lines have been missed.

Related tools

GoCovGUI: A simple GUI wrapper for the gocov coverage analysis tool.

gocov-html: A simple helper tool for generating HTML output from gocov.

gocov-xml: A simple helper tool for generating XML output in Cobertura format for CIs like Jenkins and others from gocov.

goveralls: Go integration for Coveralls.io continuous code coverage tracking system.

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