fix(cli): harden parameter preparse normalization

This commit is contained in:
克谨 committed 2026-07-29 17:33:44 +08:00
1 parent 2e1cce8501
commit 15a27a9f83
14 files changed
+698 -157

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+114 -10
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@@ -211,8 +211,8 @@ func TestRunPreParsePrimesPresentationFlagsForEarlyErrors(t *testing.T) {
wantDebug: true,
},
{
name: "corrected leading flags",
args: []string{"--dryRun", "--formt=pretty", "--verbos", "child", "--name", "demo"},
name: "normalized presentation names",
args: []string{"--dryRun", "--FORMAT=pretty", "--Verbose", "child", "--name", "demo"},
wantFormat: "pretty",
wantVerbose: true,
},
@@ -223,8 +223,8 @@ func TestRunPreParsePrimesPresentationFlagsForEarlyErrors(t *testing.T) {
wantVerbose: true,
},
{
name: "detached boolean presentation values",
args: []string{"--debug", "true", "-v", "false", "child", "--name", "demo"},
name: "explicit boolean presentation values",
args: []string{"--debug=true", "-v=false", "child", "--name", "demo"},
wantFormat: "json",
wantDebug: true,
wantVerbose: false,
@@ -258,6 +258,32 @@ func TestRunPreParsePrimesPresentationFlagsForEarlyErrors(t *testing.T) {
}
}
func TestRunPreParseKeepsPrimaryErrorWhenPresentationParsingFails(t *testing.T) {
root := &cobra.Command{Use: "dws", SilenceErrors: true, SilenceUsage: true}
root.PersistentFlags().StringP("format", "f", "json", "")
root.PersistentFlags().Bool("debug", false, "")
root.PersistentFlags().BoolP("verbose", "v", false, "")
child := &cobra.Command{Use: "child"}
child.Flags().String("name", "", "")
root.AddCommand(child)
primaryErr := errors.New("primary pre-parse failure")
engine := NewEngine()
engine.Register(newStub("fail", PreParse, func(*Context) error { return primaryErr }))
ctx, err := RunPreParseArgs(root, engine, []string{
"child", "--name", "demo", "--format", "table", "--debug=maybe",
})
if ctx == nil || !errors.Is(err, primaryErr) {
t.Fatalf("RunPreParseArgs() = %#v, %v; want primary error", ctx, err)
}
format, _ := root.PersistentFlags().GetString("format")
debug, _ := root.PersistentFlags().GetBool("debug")
if format != "table" || debug {
t.Fatalf("partially valid presentation values = format:%q debug:%v", format, debug)
}
}
func TestCommandTraversalFlagTokenEdges(t *testing.T) {
raw := []string{"child"}
if got := argsForCommandTraversal(nil, raw); !reflect.DeepEqual(got, raw) {
@@ -273,7 +299,7 @@ func TestCommandTraversalFlagTokenEdges(t *testing.T) {
t.Fatalf("double-dash traversal args = %v", got)
}
if flag, inline, matched := persistentFlagToken(nil, "--verbose"); flag != nil || inline || matched {
if flag, inline, matched := newFlagTokenMatcher(nil).matchTraversalToken("--verbose"); flag != nil || inline || matched {
t.Fatalf("nil flag set matched: %#v, %v, %v", flag, inline, matched)
}
if flag, inline, matched := (*flagTokenMatcher)(nil).matchTraversalToken(""); flag != nil || inline || matched {
@@ -282,13 +308,20 @@ func TestCommandTraversalFlagTokenEdges(t *testing.T) {
if match := (*flagTokenMatcher)(nil).matchLongToken("--verbose"); match.recognized {
t.Fatalf("nil long matcher matched: %#v", match)
}
if flag, inline, matched := persistentFlagToken(root.PersistentFlags(), "-x"); flag != nil || inline || matched {
if flag, inline, matched := newFlagTokenMatcher(root.PersistentFlags()).matchTraversalToken("-x"); flag != nil || inline || matched {
t.Fatalf("unknown shorthand matched: %#v, %v, %v", flag, inline, matched)
}
flag, inline, matched := persistentFlagToken(root.PersistentFlags(), "-vv")
flag, inline, matched := newFlagTokenMatcher(root.PersistentFlags()).matchTraversalToken("-vv")
if !matched || !inline || flag == nil || flag.Name != "verbose" {
t.Fatalf("boolean shorthand cluster = %#v, %v, %v", flag, inline, matched)
}
duplicate := pflag.NewFlagSet("duplicate", pflag.ContinueOnError)
duplicate.Bool("verbose", false, "")
matcher := newFlagTokenMatcher(root.PersistentFlags(), duplicate)
if len(matcher.byName) != 2 || matcher.byName["verbose"] != root.PersistentFlags().Lookup("verbose") {
t.Fatalf("duplicate flag precedence = %#v", matcher.byName)
}
}
func TestSeparatedBoolValueRecognition(t *testing.T) {
@@ -328,7 +361,9 @@ func TestSeparatedBoolValueRecognition(t *testing.T) {
}
func TestPrimeEarlyErrorPresentationEdges(t *testing.T) {
primeEarlyErrorPresentation(nil, nil, nil)
if err := primeEarlyErrorPresentation(nil, nil, nil); err != nil {
t.Fatalf("nil presentation priming error = %v", err)
}
root := &cobra.Command{Use: "root"}
root.PersistentFlags().StringP("format", "f", "json", "")
@@ -338,10 +373,12 @@ func TestPrimeEarlyErrorPresentationEdges(t *testing.T) {
child.Flags().String("name", "", "")
root.AddCommand(child)
primeEarlyErrorPresentation(root, child, []string{
if err := primeEarlyErrorPresentation(root, child, []string{
"child", "--unknown", "value", "-x", "--name", "demo",
"-f", "table", "-v", "maybe", "--", "--debug",
})
}); err != nil {
t.Fatalf("presentation priming error = %v", err)
}
format, _ := root.PersistentFlags().GetString("format")
debug, _ := root.PersistentFlags().GetBool("debug")
verbose, _ := root.PersistentFlags().GetBool("verbose")
@@ -349,3 +386,70 @@ func TestPrimeEarlyErrorPresentationEdges(t *testing.T) {
t.Fatalf("presentation after edge argv = format:%q debug:%v verbose:%v", format, debug, verbose)
}
}
func TestPrimeEarlyErrorPresentationReportsParseAndContractErrors(t *testing.T) {
t.Run("invalid presentation value is reported after applying valid values", func(t *testing.T) {
root := &cobra.Command{Use: "root"}
root.PersistentFlags().StringP("format", "f", "json", "")
root.PersistentFlags().Bool("debug", false, "")
root.PersistentFlags().BoolP("verbose", "v", false, "")
child := &cobra.Command{Use: "child"}
root.AddCommand(child)
err := primeEarlyErrorPresentation(root, child, []string{"child", "--format", "table", "--debug=maybe"})
if err == nil || !strings.Contains(err.Error(), "invalid argument") {
t.Fatalf("invalid presentation error = %v", err)
}
format, _ := root.PersistentFlags().GetString("format")
debug, _ := root.PersistentFlags().GetBool("debug")
if format != "table" || debug {
t.Fatalf("partially valid presentation values = format:%q debug:%v", format, debug)
}
})
for _, test := range []struct {
name string
add func(*pflag.FlagSet)
want string
}{
{name: "format type drift", add: func(flags *pflag.FlagSet) { flags.Bool("format", false, "") }, want: "read presentation flag --format"},
{name: "debug type drift", add: func(flags *pflag.FlagSet) {
flags.String("format", "json", "")
flags.String("debug", "", "")
}, want: "read presentation flag --debug"},
} {
t.Run(test.name, func(t *testing.T) {
root := &cobra.Command{Use: "root"}
test.add(root.PersistentFlags())
err := primeEarlyErrorPresentation(root, root, []string{"--format", "table"})
if err == nil || !strings.Contains(err.Error(), test.want) {
t.Fatalf("presentation contract error = %v, want %q", err, test.want)
}
})
}
t.Run("apply error is returned", func(t *testing.T) {
root := &cobra.Command{Use: "root"}
value := &rejectingPresentationString{value: "json"}
root.PersistentFlags().VarP(value, "format", "f", "")
err := primeEarlyErrorPresentation(root, root, []string{"--format", "table"})
if err == nil || !strings.Contains(err.Error(), "apply presentation flag --format") {
t.Fatalf("presentation apply error = %v", err)
}
})
t.Run("missing presentation flags are optional", func(t *testing.T) {
root := &cobra.Command{Use: "root"}
if err := primeEarlyErrorPresentation(root, root, []string{"--unknown", "value"}); err != nil {
t.Fatalf("optional presentation flags error = %v", err)
}
})
}
type rejectingPresentationString struct {
value string
}
func (v *rejectingPresentationString) Set(string) error { return errors.New("rejected") }
func (v *rejectingPresentationString) String() string { return v.value }
func (*rejectingPresentationString) Type() string { return "string" }