mirror of
https://github.com/thegeeklab/wp-matrix.git
synced 2024-11-13 23:50:39 +00:00
453 lines
10 KiB
Go
453 lines
10 KiB
Go
package cli
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import (
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"bytes"
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"flag"
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"fmt"
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"runtime"
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"strings"
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"testing"
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)
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func Test_ShowAppHelp_NoAuthor(t *testing.T) {
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output := new(bytes.Buffer)
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app := NewApp()
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app.Writer = output
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c := NewContext(app, nil, nil)
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ShowAppHelp(c)
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if bytes.Index(output.Bytes(), []byte("AUTHOR(S):")) != -1 {
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t.Errorf("expected\n%snot to include %s", output.String(), "AUTHOR(S):")
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}
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}
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func Test_ShowAppHelp_NoVersion(t *testing.T) {
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output := new(bytes.Buffer)
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app := NewApp()
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app.Writer = output
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app.Version = ""
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c := NewContext(app, nil, nil)
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ShowAppHelp(c)
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if bytes.Index(output.Bytes(), []byte("VERSION:")) != -1 {
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t.Errorf("expected\n%snot to include %s", output.String(), "VERSION:")
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}
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}
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func Test_ShowAppHelp_HideVersion(t *testing.T) {
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output := new(bytes.Buffer)
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app := NewApp()
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app.Writer = output
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app.HideVersion = true
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c := NewContext(app, nil, nil)
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ShowAppHelp(c)
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if bytes.Index(output.Bytes(), []byte("VERSION:")) != -1 {
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t.Errorf("expected\n%snot to include %s", output.String(), "VERSION:")
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}
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}
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func Test_Help_Custom_Flags(t *testing.T) {
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oldFlag := HelpFlag
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defer func() {
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HelpFlag = oldFlag
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}()
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HelpFlag = BoolFlag{
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Name: "help, x",
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Usage: "show help",
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}
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app := App{
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Flags: []Flag{
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BoolFlag{Name: "foo, h"},
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},
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Action: func(ctx *Context) error {
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if ctx.Bool("h") != true {
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t.Errorf("custom help flag not set")
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}
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return nil
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},
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}
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output := new(bytes.Buffer)
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app.Writer = output
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app.Run([]string{"test", "-h"})
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if output.Len() > 0 {
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t.Errorf("unexpected output: %s", output.String())
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}
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}
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func Test_Version_Custom_Flags(t *testing.T) {
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oldFlag := VersionFlag
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defer func() {
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VersionFlag = oldFlag
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}()
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VersionFlag = BoolFlag{
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Name: "version, V",
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Usage: "show version",
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}
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app := App{
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Flags: []Flag{
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BoolFlag{Name: "foo, v"},
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},
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Action: func(ctx *Context) error {
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if ctx.Bool("v") != true {
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t.Errorf("custom version flag not set")
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}
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return nil
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},
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}
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output := new(bytes.Buffer)
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app.Writer = output
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app.Run([]string{"test", "-v"})
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if output.Len() > 0 {
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t.Errorf("unexpected output: %s", output.String())
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}
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}
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func Test_helpCommand_Action_ErrorIfNoTopic(t *testing.T) {
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app := NewApp()
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set := flag.NewFlagSet("test", 0)
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set.Parse([]string{"foo"})
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c := NewContext(app, set, nil)
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err := helpCommand.Action.(func(*Context) error)(c)
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if err == nil {
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t.Fatalf("expected error from helpCommand.Action(), but got nil")
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}
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exitErr, ok := err.(*ExitError)
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if !ok {
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t.Fatalf("expected ExitError from helpCommand.Action(), but instead got: %v", err.Error())
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}
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if !strings.HasPrefix(exitErr.Error(), "No help topic for") {
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t.Fatalf("expected an unknown help topic error, but got: %v", exitErr.Error())
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}
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if exitErr.exitCode != 3 {
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t.Fatalf("expected exit value = 3, got %d instead", exitErr.exitCode)
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}
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}
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func Test_helpCommand_InHelpOutput(t *testing.T) {
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app := NewApp()
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output := &bytes.Buffer{}
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app.Writer = output
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app.Run([]string{"test", "--help"})
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s := output.String()
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if strings.Contains(s, "\nCOMMANDS:\nGLOBAL OPTIONS:\n") {
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t.Fatalf("empty COMMANDS section detected: %q", s)
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}
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if !strings.Contains(s, "help, h") {
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t.Fatalf("missing \"help, h\": %q", s)
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}
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}
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func Test_helpSubcommand_Action_ErrorIfNoTopic(t *testing.T) {
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app := NewApp()
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set := flag.NewFlagSet("test", 0)
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set.Parse([]string{"foo"})
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c := NewContext(app, set, nil)
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err := helpSubcommand.Action.(func(*Context) error)(c)
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if err == nil {
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t.Fatalf("expected error from helpCommand.Action(), but got nil")
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}
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exitErr, ok := err.(*ExitError)
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if !ok {
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t.Fatalf("expected ExitError from helpCommand.Action(), but instead got: %v", err.Error())
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}
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if !strings.HasPrefix(exitErr.Error(), "No help topic for") {
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t.Fatalf("expected an unknown help topic error, but got: %v", exitErr.Error())
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}
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if exitErr.exitCode != 3 {
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t.Fatalf("expected exit value = 3, got %d instead", exitErr.exitCode)
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}
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}
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func TestShowAppHelp_CommandAliases(t *testing.T) {
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app := &App{
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Commands: []Command{
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{
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Name: "frobbly",
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Aliases: []string{"fr", "frob"},
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Action: func(ctx *Context) error {
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return nil
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},
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},
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},
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}
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output := &bytes.Buffer{}
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app.Writer = output
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app.Run([]string{"foo", "--help"})
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if !strings.Contains(output.String(), "frobbly, fr, frob") {
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t.Errorf("expected output to include all command aliases; got: %q", output.String())
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}
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}
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func TestShowCommandHelp_CommandAliases(t *testing.T) {
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app := &App{
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Commands: []Command{
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{
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Name: "frobbly",
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Aliases: []string{"fr", "frob", "bork"},
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Action: func(ctx *Context) error {
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return nil
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},
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},
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},
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}
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output := &bytes.Buffer{}
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app.Writer = output
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app.Run([]string{"foo", "help", "fr"})
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if !strings.Contains(output.String(), "frobbly") {
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t.Errorf("expected output to include command name; got: %q", output.String())
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}
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if strings.Contains(output.String(), "bork") {
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t.Errorf("expected output to exclude command aliases; got: %q", output.String())
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}
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}
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func TestShowSubcommandHelp_CommandAliases(t *testing.T) {
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app := &App{
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Commands: []Command{
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{
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Name: "frobbly",
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Aliases: []string{"fr", "frob", "bork"},
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Action: func(ctx *Context) error {
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return nil
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},
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},
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},
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}
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output := &bytes.Buffer{}
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app.Writer = output
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app.Run([]string{"foo", "help"})
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if !strings.Contains(output.String(), "frobbly, fr, frob, bork") {
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t.Errorf("expected output to include all command aliases; got: %q", output.String())
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}
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}
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func TestShowCommandHelp_Customtemplate(t *testing.T) {
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app := &App{
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Commands: []Command{
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{
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Name: "frobbly",
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Action: func(ctx *Context) error {
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return nil
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},
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HelpName: "foo frobbly",
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CustomHelpTemplate: `NAME:
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{{.HelpName}} - {{.Usage}}
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USAGE:
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{{.HelpName}} [FLAGS] TARGET [TARGET ...]
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FLAGS:
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{{range .VisibleFlags}}{{.}}
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{{end}}
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EXAMPLES:
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1. Frobbly runs with this param locally.
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$ {{.HelpName}} wobbly
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`,
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},
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},
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}
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output := &bytes.Buffer{}
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app.Writer = output
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app.Run([]string{"foo", "help", "frobbly"})
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if strings.Contains(output.String(), "2. Frobbly runs without this param locally.") {
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t.Errorf("expected output to exclude \"2. Frobbly runs without this param locally.\"; got: %q", output.String())
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}
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if !strings.Contains(output.String(), "1. Frobbly runs with this param locally.") {
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t.Errorf("expected output to include \"1. Frobbly runs with this param locally.\"; got: %q", output.String())
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}
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if !strings.Contains(output.String(), "$ foo frobbly wobbly") {
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t.Errorf("expected output to include \"$ foo frobbly wobbly\"; got: %q", output.String())
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}
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}
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func TestShowSubcommandHelp_CommandUsageText(t *testing.T) {
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app := &App{
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Commands: []Command{
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{
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Name: "frobbly",
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UsageText: "this is usage text",
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},
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},
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}
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output := &bytes.Buffer{}
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app.Writer = output
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app.Run([]string{"foo", "frobbly", "--help"})
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if !strings.Contains(output.String(), "this is usage text") {
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t.Errorf("expected output to include usage text; got: %q", output.String())
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}
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}
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func TestShowSubcommandHelp_SubcommandUsageText(t *testing.T) {
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app := &App{
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Commands: []Command{
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{
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Name: "frobbly",
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Subcommands: []Command{
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{
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Name: "bobbly",
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UsageText: "this is usage text",
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},
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},
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},
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},
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}
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output := &bytes.Buffer{}
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app.Writer = output
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app.Run([]string{"foo", "frobbly", "bobbly", "--help"})
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if !strings.Contains(output.String(), "this is usage text") {
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t.Errorf("expected output to include usage text; got: %q", output.String())
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}
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}
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func TestShowAppHelp_HiddenCommand(t *testing.T) {
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app := &App{
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Commands: []Command{
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{
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Name: "frobbly",
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Action: func(ctx *Context) error {
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return nil
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},
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},
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{
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Name: "secretfrob",
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Hidden: true,
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Action: func(ctx *Context) error {
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return nil
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},
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},
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},
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}
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output := &bytes.Buffer{}
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app.Writer = output
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app.Run([]string{"app", "--help"})
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if strings.Contains(output.String(), "secretfrob") {
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t.Errorf("expected output to exclude \"secretfrob\"; got: %q", output.String())
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}
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if !strings.Contains(output.String(), "frobbly") {
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t.Errorf("expected output to include \"frobbly\"; got: %q", output.String())
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}
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}
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func TestShowAppHelp_CustomAppTemplate(t *testing.T) {
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app := &App{
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Commands: []Command{
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{
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Name: "frobbly",
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Action: func(ctx *Context) error {
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return nil
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},
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},
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{
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Name: "secretfrob",
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Hidden: true,
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Action: func(ctx *Context) error {
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return nil
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},
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},
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},
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ExtraInfo: func() map[string]string {
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platform := fmt.Sprintf("OS: %s | Arch: %s", runtime.GOOS, runtime.GOARCH)
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goruntime := fmt.Sprintf("Version: %s | CPUs: %d", runtime.Version(), runtime.NumCPU())
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return map[string]string{
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"PLATFORM": platform,
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"RUNTIME": goruntime,
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}
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},
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CustomAppHelpTemplate: `NAME:
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{{.Name}} - {{.Usage}}
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USAGE:
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{{.Name}} {{if .VisibleFlags}}[FLAGS] {{end}}COMMAND{{if .VisibleFlags}} [COMMAND FLAGS | -h]{{end}} [ARGUMENTS...]
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COMMANDS:
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{{range .VisibleCommands}}{{join .Names ", "}}{{ "\t" }}{{.Usage}}
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{{end}}{{if .VisibleFlags}}
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GLOBAL FLAGS:
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{{range .VisibleFlags}}{{.}}
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{{end}}{{end}}
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VERSION:
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2.0.0
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{{"\n"}}{{range $key, $value := ExtraInfo}}
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{{$key}}:
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{{$value}}
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{{end}}`,
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}
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output := &bytes.Buffer{}
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app.Writer = output
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app.Run([]string{"app", "--help"})
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if strings.Contains(output.String(), "secretfrob") {
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t.Errorf("expected output to exclude \"secretfrob\"; got: %q", output.String())
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}
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if !strings.Contains(output.String(), "frobbly") {
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t.Errorf("expected output to include \"frobbly\"; got: %q", output.String())
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}
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if !strings.Contains(output.String(), "PLATFORM:") ||
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!strings.Contains(output.String(), "OS:") ||
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!strings.Contains(output.String(), "Arch:") {
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t.Errorf("expected output to include \"PLATFORM:, OS: and Arch:\"; got: %q", output.String())
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}
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if !strings.Contains(output.String(), "RUNTIME:") ||
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!strings.Contains(output.String(), "Version:") ||
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!strings.Contains(output.String(), "CPUs:") {
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t.Errorf("expected output to include \"RUNTIME:, Version: and CPUs:\"; got: %q", output.String())
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}
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if !strings.Contains(output.String(), "VERSION:") ||
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!strings.Contains(output.String(), "2.0.0") {
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t.Errorf("expected output to include \"VERSION:, 2.0.0\"; got: %q", output.String())
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}
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}
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