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Programming language: Go
License: GNU General Public License v3.0 or later
Tags: Go Tools    
Latest version: v0.3.3

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README

richgo

Rich-Go will enrich go test outputs with text decorations

PkgGoDev Go Report Card Coverage Status Release

asciicast

Installation

(go get):

go get -u github.com/kyoh86/richgo

(homebrew):

brew tap kyoh86/tap
brew install richgo

Usage

Basic

richgo test ./...

In an existing pipeline

If your build scripts expect to interact with the standard output format of go test (for instance, if you're using go-junit-report), you'll need to use the testfilter subcommand of richgo.

For example:

go test ./... | tee >(richgo testfilter) | go-junit-report

This will "tee" the output of the standard go test run into a richgo testfilter process as well as passing the original output to go-junit-report.

Note that at some point this recommendation may change, as the "go test" tool may learn how to produce a standard output format golang/go#2981 that both this tool and others could rely on.

alias

You can define alias so that go test prints rich outputs:

  • bash: ~/.bashrc
  • zsh: ~/.zshrc
alias go=richgo

Configure

Configuration file paths

It's possible to change styles with the preference file. Rich-Go loads preferences from the files in the following order.

  • ${CWD}/.richstyle
  • ${CWD}/.richstyle.yaml
  • ${CWD}/.richstyle.yml
  • ${GOPATH}/.richstyle
  • ${GOPATH}/.richstyle.yaml
  • ${GOPATH}/.richstyle.yml
  • ${GOROOT}/.richstyle
  • ${GOROOT}/.richstyle.yaml
  • ${GOROOT}/.richstyle.yml
  • ${HOME}/.richstyle
  • ${HOME}/.richstyle.yaml
  • ${HOME}/.richstyle.yml

Setting the environment variable RICHGO_LOCAL to 1, Rich-Go loads only ${CWD}/.richstyle*.

Configuration file format

Now Rich-Go supports only YAML formatted.

# Type of the label that notes a kind of each lines.
labelType: (long | short | none)

# Style of "Build" lines.
buildStyle:
  # Hide lines
  hide: (true | false)
  # Bold or increased intensity.
  bold: (true | false)
  faint: (true | false)
  italic: (true | false)
  underline: (true | false)
  blinkSlow: (true | false)
  blinkRapid: (true | false)
  # Swap the foreground color and background color.
  inverse: (true | false)
  conceal: (true | false)
  crossOut: (true | false)
  frame: (true | false)
  encircle: (true | false)
  overline: (true | false)
  # Fore-color of text
  foreground: (#xxxxxx | rgb(0-256,0-256,0-256) | rgb(0x00-0xFF,0x00-0xFF,0x00-0xFF) | (name of colors))
  # Back-color of text
  background: # Same format as `foreground`

# Style of the "Start" lines.
startStyle:
  # Same format as `buildStyle`

# Style of the "Pass" lines.
passStyle:
  # Same format as `buildStyle`

# Style of the "Fail" lines.
failStyle:
  # Same format as `buildStyle`

# Style of the "Skip" lines.
skipStyle:
  # Same format as `buildStyle`

# Style of the "File" lines.
fileStyle:
  # Same format as `buildStyle`

# Style of the "Line" lines.
lineStyle:
  # Same format as `buildStyle`

# Style of the "Pass" package lines.
passPackageStyle:
  # Same format as `buildStyle`

# Style of the "Fail" package lines.
failPackageStyle:
  # Same format as `buildStyle`

# A threashold of the coverage
coverThreshold: (0-100)

# Style of the "Cover" lines with the coverage that is higher than coverThreshold.
coveredStyle:
  # Same format as `buildStyle`

# Style of the "Cover" lines with the coverage that is lower than coverThreshold.
uncoveredStyle:
  # Same format as `buildStyle`

# If you want to delete lines, write the regular expressions.
removals:
  - (regexp)
# If you want to leave `Test` prefixes, set it "true".
leaveTestPrefix: (true | false)

Line categories

Rich-Go separate the output-lines in following categories.

  • Build:
    When the Go fails to build, it prints errors like this:

# github.com/kyoh86/richgo/sample/buildfail sample/buildfail/buildfail_test.go:6: t.Foo undefined (type testing.T has no field or method Foo)

  • Start:
    In the top of test, Go prints that name like this:

=== RUN TestSampleOK/SubtestOK

  • Pass:
    When a test is successed, Go prints that name like this:

---PASS: TestSampleOK/SubtestOK

  • Fail:
    When a test is failed, Go prints that name like this:

--- FAIL: TestSampleNG (0.00s) sample_ng_test.go:9: It's not OK... :(

  • Skip:
    If there is no test files in directory or a test is skipped, Go prints that path or the name like this:

--- SKIP: TestSampleSkip (0.00s) sample_skip_test.go:6: ? github.com/kyoh86/richgo/sample/notest [no test files]

  • PassPackage:
    When tests in package are successed, Go prints just:

PASS

  • Fail:
    When a test in package are failed, Go prints just:

FAIL

  • Cover:
    If the coverage analysis is enabled, Go prints the coverage like this:

=== RUN TestCover05 --- PASS: TestCover05 (0.00s) PASS coverage: 50.0% of statements ok github.com/kyoh86/richgo/sample/cover05 0.012s coverage: 50.0% of statements

Each categories can be styled seperately.

Label types

  • Long:

    • Build: "BUILD"
    • Start: "START"
    • Pass: "PASS"
    • Fail: "FAIL"
    • Skip: "SKIP"
    • Cover: "COVER"

  • Short:

    • Build: "!!"
    • Start: ">"
    • Pass: "o"
    • Fail: "x"
    • Skip: "-"
    • Cover: "%"

  • None: Rich-Go will never output labels.

Default

labelType: long
buildStyle:
  bold: true
  foreground: yellow
startStyle:
  foreground: lightBlack
passStyle:
  foreground: green
failStyle:
  bold: true
  foreground: red
skipStyle:
  foreground: lightBlack
passPackageStyle:
  foreground: green
  hide: true
failPackageStyle:
  bold: true
  foreground: red
  hide: true
coverThreshold: 50
coveredStyle:
  foreground: green
uncoveredStyle:
  bold: true
  foreground: yellow
fileStyle:
  foreground: cyan
lineStyle:
  foreground: magenta

Overriding colorization detection

By default, richgo determines whether or not to colorize its output based on whether it's connected to a TTY or not. This works for most use cases, but may not behave as expected if you use richgo in a pipeline of commands, where STDOUT is being piped to another command.

To force colorization, add RICHGO_FORCE_COLOR=1 to the environment you're running in. For example:

RICHGO_FORCE_COLOR=1 richgo test ./... | tee test.log

Configure to resolve a conflict with "Solarized dark" theme

The bright-black is used for background color in Solarized dark theme. Richgo uses that color for "startStyle" and "skipStyle", so "START" and "SKIP" lines can not be seen on the screen with Solarized dark theme.

To resolve that conflict, you can set another color for "startStyle" and "skipStyle" in .richstyle like below.

startStyle:
  foreground: yellow

skipStyle:
  foreground: lightYellow

License

MIT License

This is distributed under the MIT License.


*Note that all licence references and agreements mentioned in the richgo README section above are relevant to that project's source code only.