Function TestCmdExampleParseRefsRobustness

cmd/cmdexample_units_test.go:192–233

TestCmdExampleParseRefsRobustness covers the parser edge cases hardened after review: backslash continuation, underscore flags, $(...) substitution, glued separators, trailing punctuation, and the "..." placeholder.

(t *testing.T)

// review: backslash continuation, underscore flags, $(...) substitution, glued
// separators, trailing punctuation, and the "..." placeholder.
func TestCmdExampleParseRefsRobustness(t *testing.T) {
	cases := []struct {
		name, content, wantWords, wantFlags string
		wantRefs                            int
	}{
		{"backslash continuation joins flags",
			"lark-cli contact +search-user \\\n  --query foo \\\n  --as user",
			"contact +search-user", "--query --as", 1},
		{"underscore flag not truncated",
			"lark-cli whiteboard +update --input_format mermaid",
			"whiteboard +update", "--input_format", 1},
		{"command-substitution flags ignored",
			`lark-cli slides x create --data "$(jq -n --arg c '{}')" --as user`,
			"slides x create", "--data --as", 1},
		{"glued separator truncates",
			"lark-cli auth login; echo done",
			"auth login", "", 1},
		{"trailing CJK punctuation stripped",
			"用 lark-cli auth login。",
			"auth login", "", 1},
		{"ellipsis placeholder stays placeholder",
			"lark-cli base +...",
			"base", "", 1},
	}
	for _, tt := range cases {
		t.Run(tt.name, func(t *testing.T) {
			refs := parseRefs(tt.content)
			if len(refs) != tt.wantRefs {
				t.Fatalf("refs=%d want %d: %v", len(refs), tt.wantRefs, refWordsOf(refs))
			}
			if tt.wantRefs == 0 {
				return
			}
			if got := strings.Join(refs[0].words, " "); got != tt.wantWords {
				t.Errorf("words=%q want %q", got, tt.wantWords)
			}
			if got := strings.Join(refs[0].flags, " "); got != tt.wantFlags {
				t.Errorf("flags=%q want %q", got, tt.wantFlags)
			}
		})
	}
}