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[silence-errors]: -m adds a way for errors to silenced down the stack

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This commit is contained in:
Austin Riendeau 2015-10-25 19:58:53 -06:00
parent 8b2293c741
commit f6e1a2df92
2 changed files with 46 additions and 22 deletions
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46
cobra_test.go
View file

@ -217,6 +217,12 @@ func fullSetupTest(input string) resulter {
return fullTester(c, input)
}
func noRRSetupTestSilenced(input string) resulter {
c := initialize()
c.SilenceErrors = true
return fullTester(c, input)
}
func noRRSetupTest(input string) resulter {
c := initialize()
@ -488,8 +494,8 @@ func TestChildCommandFlags(t *testing.T) {
t.Errorf("invalid flag should generate error")
}
if !strings.Contains(r.Output, "unknown shorthand") {
t.Errorf("Wrong error message displayed, \n %s", r.Output)
if !strings.Contains(r.Error.Error(), "unknown shorthand") {
t.Errorf("Wrong error message displayed, \n %s", r.Error)
}
if flagi2 != 99 {
@ -506,9 +512,8 @@ func TestChildCommandFlags(t *testing.T) {
if r.Error == nil {
t.Errorf("invalid flag should generate error")
}
if !strings.Contains(r.Output, "unknown shorthand flag") {
t.Errorf("Wrong error message displayed, \n %s", r.Output)
if !strings.Contains(r.Error.Error(), "unknown shorthand flag") {
t.Errorf("Wrong error message displayed, \n %s", r.Error)
}
// Testing with persistent flag overwritten by child
@ -528,9 +533,8 @@ func TestChildCommandFlags(t *testing.T) {
if r.Error == nil {
t.Errorf("invalid input should generate error")
}
if !strings.Contains(r.Output, "invalid argument \"10E\" for i10E") {
t.Errorf("Wrong error message displayed, \n %s", r.Output)
if !strings.Contains(r.Error.Error(), "invalid argument \"10E\" for i10E") {
t.Errorf("Wrong error message displayed, \n %s", r.Error)
}
}
@ -547,10 +551,10 @@ func TestInvalidSubcommandFlags(t *testing.T) {
cmd.AddCommand(cmdTimes)
result := simpleTester(cmd, "times --inttwo=2 --badflag=bar")
checkResultContains(t, result, "unknown flag: --badflag")
if strings.Contains(result.Output, "unknown flag: --inttwo") {
// given that we are not checking here result.Error we check for
// stock usage message
checkResultContains(t, result, "cobra-test times [# times]")
if strings.Contains(result.Error.Error(), "unknown flag: --inttwo") {
t.Errorf("invalid --badflag flag shouldn't fail on 'unknown' --inttwo flag")
}
@ -809,6 +813,20 @@ func TestRootUnknownCommand(t *testing.T) {
}
}
func TestRootUnknownCommandSilenced(t *testing.T) {
r := noRRSetupTestSilenced("bogus")
s := "Run 'cobra-test --help' for usage.\n"
if r.Output != "" {
t.Errorf("Unexpected response.\nExpecting to be: \n\"\"\n Got:\n %q\n", s, r.Output)
}
r = noRRSetupTestSilenced("--strtwo=a bogus")
if r.Output != "" {
t.Errorf("Unexpected response.\nExpecting to be:\n\"\"\nGot:\n %q\n", s, r.Output)
}
}
func TestRootSuggestions(t *testing.T) {
outputWithSuggestions := "Error: unknown command \"%s\" for \"cobra-test\"\n\nDid you mean this?\n\t%s\n\nRun 'cobra-test --help' for usage.\n"
outputWithoutSuggestions := "Error: unknown command \"%s\" for \"cobra-test\"\nRun 'cobra-test --help' for usage.\n"
@ -872,8 +890,8 @@ func TestFlagsBeforeCommand(t *testing.T) {
// With parsing error properly reported
x = fullSetupTest("-i10E echo")
if !strings.Contains(x.Output, "invalid argument \"10E\" for i10E") {
t.Errorf("Wrong error message displayed, \n %s", x.Output)
if !strings.Contains(x.Error.Error(), "invalid argument \"10E\" for i10E") {
t.Errorf("Wrong error message displayed, \n %s", x.Error)
}
//With quotes

22
command.go
View file

@ -61,6 +61,8 @@ type Command struct {
pflags *flag.FlagSet
// Flags that are declared specifically by this command (not inherited).
lflags *flag.FlagSet
// SilenceErrors is an option to quiet errors down stream
SilenceErrors bool
// The *Run functions are executed in the following order:
// * PersistentPreRun()
// * PreRun()
@ -626,21 +628,25 @@ func (c *Command) Execute() (err error) {
if cmd != nil {
c = cmd
}
c.Println("Error:", err.Error())
c.Printf("Run '%v --help' for usage.\n", c.CommandPath())
if !c.SilenceErrors {
c.Println("Error:", err.Error())
c.Printf("Run '%v --help' for usage.\n", c.CommandPath())
}
return err
}
err = cmd.execute(flags)
if err != nil {
if err == flag.ErrHelp {
cmd.HelpFunc()(cmd, args)
return nil
if !cmd.SilenceErrors {
if err == flag.ErrHelp {
cmd.HelpFunc()(cmd, args)
return nil
}
c.Println(cmd.UsageString())
c.Println("Error:", err.Error())
}
c.Println(cmd.UsageString())
c.Println("Error:", err.Error())
return err
}
return
}