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duplicate footer (#1200)

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fix an issue with duplicate footers being printed with help_all

Fixes #1183

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
This commit is contained in:
Philip Top
2025-08-29 12:38:46 -07:00
committed by GitHub
parent f7e4695ed8
commit 1ab8646760
2 changed files with 52 additions and 4 deletions
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37
tests/HelpTest.cpp
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@@ -104,6 +104,43 @@ TEST_CASE("THelp: FooterOptionGroup", "[help]") {
CHECK(footer_loc2 == std::string::npos);
}
/// @brief from github issue #1183
TEST_CASE("THelp: FooterSubcommandHelpAll", "[help]") {
CLI::App app{"My prog"};
app.footer("Report bugs to bugs@example.com");
app.set_help_all_flag("--help-all", "All options of subcommands");
app.add_subcommand("Subcommand1", "Desc1");
app.add_subcommand("Subcommand2", "Desc2");
CHECK_THROWS_AS(app.parse("--help-all"), CLI::CallForAllHelp);
std::string help = app.help("", CLI::AppFormatMode::All);
auto footer_loc = help.find("bugs@example.com");
auto footer_loc2 = help.find("bugs@example.com", footer_loc + 10);
CHECK(footer_loc != std::string::npos);
// should only see the footer once
CHECK(footer_loc2 == std::string::npos);
}
TEST_CASE("THelp: FooterSubcommandHelp", "[help]") {
CLI::App app{"My prog"};
app.footer("Report bugs to bugs@example.com");
app.add_subcommand("Subcommand1", "Desc1");
app.add_subcommand("Subcommand2", "Desc2");
CHECK_THROWS_AS(app.parse("Subcommand1 Subcommand2 --help"), CLI::CallForHelp);
std::string help = app.help();
auto footer_loc = help.find("bugs@example.com");
auto footer_loc2 = help.find("bugs@example.com", footer_loc + 10);
CHECK(footer_loc != std::string::npos);
// should only see the footer once
CHECK(footer_loc2 == std::string::npos);
}
TEST_CASE("THelp: OptionalPositional", "[help]") {
CLI::App app{"My prog", "program"};