HelpTest.cpp
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#ifdef CLI_SINGLE_FILE
#include "CLI11.hpp"
#else
#include "CLI/CLI.hpp"
#endif
#include "gtest/gtest.h"
#include "gmock/gmock.h"
#include <fstream>
using ::testing::HasSubstr;
TEST(THelp, Basic) {
CLI::App app{"My prog"};
std::string help = app.help();
EXPECT_THAT(help, HasSubstr("My prog"));
EXPECT_THAT(help, HasSubstr("-h,--help"));
EXPECT_THAT(help, HasSubstr("Options:"));
EXPECT_THAT(help, HasSubstr("Usage:"));
}
TEST(THelp, OptionalPositional) {
CLI::App app{"My prog"};
std::string x;
app.add_option("something", x, "My option here");
std::string help = app.help();
EXPECT_THAT(help, HasSubstr("My prog"));
EXPECT_THAT(help, HasSubstr("-h,--help"));
EXPECT_THAT(help, HasSubstr("Options:"));
EXPECT_THAT(help, HasSubstr("Positionals:"));
EXPECT_THAT(help, HasSubstr("something STRING"));
EXPECT_THAT(help, HasSubstr("My option here"));
EXPECT_THAT(help, HasSubstr("Usage: program [OPTIONS] [something]"));
}
TEST(THelp, OptionalPositionalAndOptions) {
CLI::App app{"My prog"};
app.add_flag("-q,--quick");
std::string x;
app.add_option("something", x, "My option here");
std::string help = app.help();
EXPECT_THAT(help, HasSubstr("My prog"));
EXPECT_THAT(help, HasSubstr("-h,--help"));
EXPECT_THAT(help, HasSubstr("Options:"));
EXPECT_THAT(help, HasSubstr("Usage: program [OPTIONS] [something]"));
}
TEST(THelp, RequiredPositionalAndOptions) {
CLI::App app{"My prog"};
app.add_flag("-q,--quick");
std::string x;
app.add_option("something", x, "My option here")
->required();
std::string help = app.help();
EXPECT_THAT(help, HasSubstr("My prog"));
EXPECT_THAT(help, HasSubstr("-h,--help"));
EXPECT_THAT(help, HasSubstr("Options:"));
EXPECT_THAT(help, HasSubstr("Positionals:"));
EXPECT_THAT(help, HasSubstr("Usage: program [OPTIONS] something"));
}