help_test.go

package main

import (
	"bytes"
	"testing"
	"text/tabwriter"
)

const helpOutput = `  list       : List profiles' information.
  choose     : Choose <profile> as the current profile.
  edit       : Edit profiles or scripts with the 'editor'. [profile|install].
  config     : Handle kernel's configuration. [menu|def|save].
  build      : Build various targets of kernel. [image|modules|dtb].
  install    : Execute your own install script.
  make       : Execute '$ make <target>' on current kernel.
  dts        : List relevant DTS files.
  version    : Print version information.
  completion : Generate a shell completion file.
  help       : Print help message for one or all commands. [<cmd>].
`

func Test_helpOutput(t *testing.T) {
	var output bytes.Buffer
	w := tabwriter.NewWriter(&output, 0, 0, 1, ' ', tabwriter.TabIndent)
	for _, h := range helpJar {
		outputSynopsis(w, h)
	}
	w.Flush()

	if helpOutput != output.String() {
		t.Errorf("expect:\n%s\noutput:\n%s\n", helpOutput, output.String())
	}
}

const configHelpOutput = `Usage of comamnd 'config':
* config menu
    Invoke 'make menuconfig' on the current kernel.
  config def
    Invoke 'make defconfig' on the current kernel.
  config save
    Save current config as the default config.
    Invoke 'make savedefconfig' and then overwrite the original config file.
`

func Test_configHelpOutput(t *testing.T) {
	gConfig = getConfig(false)
	var output bytes.Buffer
	w := tabwriter.NewWriter(&output, 0, 0, 1, ' ', tabwriter.TabIndent)
	outputBanner(w, configHelp)
	outputUsage(w, configHelp)
	w.Flush()

	if configHelpOutput != output.String() {
		t.Errorf("expect:\n%s\noutput:\n%s\n", helpOutput, output.String())
	}
}