SmallTest.cpp
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#ifdef CLI_SINGLE_FILE
#include "CLI11.hpp"
#else
#include "CLI/CLI.hpp"
#endif
#include "gtest/gtest.h"
#include <cstdio>
#include <fstream>
TEST(Trim, Various) {
std::string s1{" sdlfkj sdflk sd s "};
std::string a1{"sdlfkj sdflk sd s"};
CLI::detail::trim(s1);
EXPECT_EQ(a1, s1);
std::string s2{" a \t"};
CLI::detail::trim(s2);
EXPECT_EQ("a", s2);
std::string s3{" a \n"};
CLI::detail::trim(s3);
EXPECT_EQ("a", s3);
std::string s4{" a b "};
EXPECT_EQ("a b", CLI::detail::trim(s4));
}
TEST(Validators, FileExists) {
std::string myfile{"TestFileNotUsed.txt"};
EXPECT_FALSE(CLI::ExistingFile(myfile));
bool ok = static_cast<bool>(std::ofstream(myfile.c_str()).put('a')); // create file
EXPECT_TRUE(ok);
EXPECT_TRUE(CLI::ExistingFile(myfile));
std::remove(myfile.c_str());
EXPECT_FALSE(CLI::ExistingFile(myfile));
}
TEST(Validators, FileNotExists) {
std::string myfile{"TestFileNotUsed.txt"};
EXPECT_TRUE(CLI::NonexistentPath(myfile));
bool ok = static_cast<bool>(std::ofstream(myfile.c_str()).put('a')); // create file
EXPECT_TRUE(ok);
EXPECT_FALSE(CLI::NonexistentPath(myfile));
std::remove(myfile.c_str());
EXPECT_TRUE(CLI::NonexistentPath(myfile));
}
TEST(Split, StringList) {
std::vector<std::string> results {"a", "long", "--lone", "-q"};
EXPECT_EQ(results, CLI::detail::split_names("a,long,--lone,-q"));
EXPECT_EQ(std::vector<std::string>({"one"}), CLI::detail::split_names("one"));
}
TEST(RegEx, Shorts) {
std::string name, value;
EXPECT_TRUE(CLI::detail::split_short("-a", name, value));
EXPECT_EQ("a", name);
EXPECT_EQ("", value);
EXPECT_TRUE(CLI::detail::split_short("-B", name, value));
EXPECT_EQ("B", name);
EXPECT_EQ("", value);
EXPECT_TRUE(CLI::detail::split_short("-cc", name, value));
EXPECT_EQ("c", name);
EXPECT_EQ("c", value);
EXPECT_TRUE(CLI::detail::split_short("-simple", name, value));
EXPECT_EQ("s", name);
EXPECT_EQ("imple", value);
EXPECT_FALSE(CLI::detail::split_short("--a", name, value));
EXPECT_FALSE(CLI::detail::split_short("--thing", name, value));
EXPECT_FALSE(CLI::detail::split_short("--", name, value));
EXPECT_FALSE(CLI::detail::split_short("something", name, value));
EXPECT_FALSE(CLI::detail::split_short("s", name, value));
}
TEST(RegEx, Longs) {
std::string name, value;
EXPECT_TRUE(CLI::detail::split_long("--a", name, value));
EXPECT_EQ("a", name);
EXPECT_EQ("", value);
EXPECT_TRUE(CLI::detail::split_long("--thing", name, value));
EXPECT_EQ("thing", name);
EXPECT_EQ("", value);
EXPECT_TRUE(CLI::detail::split_long("--some=thing", name, value));
EXPECT_EQ("some", name);
EXPECT_EQ("thing", value);
EXPECT_FALSE(CLI::detail::split_long("-a", name, value));
EXPECT_FALSE(CLI::detail::split_long("-things", name, value));
EXPECT_FALSE(CLI::detail::split_long("Q", name, value));
EXPECT_FALSE(CLI::detail::split_long("--", name, value));
}
TEST(Regex, SplittingNew) {
std::vector<std::string> shorts;
std::vector<std::string> longs;
std::string pname;
EXPECT_NO_THROW(std::tie(shorts, longs, pname) = CLI::detail::get_names({"--long", "-s", "-q", "--also-long"}));
EXPECT_EQ(std::vector<std::string>({"long", "also-long"}), longs);
EXPECT_EQ(std::vector<std::string>({"s", "q"}), shorts);
EXPECT_EQ("", pname);
EXPECT_NO_THROW(std::tie(shorts, longs, pname) = CLI::detail::get_names({"--long", "", "-s", "-q", "", "--also-long"}));
EXPECT_EQ(std::vector<std::string>({"long", "also-long"}), longs);
EXPECT_EQ(std::vector<std::string>({"s", "q"}), shorts);
EXPECT_THROW(std::tie(shorts, longs, pname) = CLI::detail::get_names({"-"}), CLI::BadNameString);
EXPECT_THROW(std::tie(shorts, longs, pname) = CLI::detail::get_names({"--"}), CLI::BadNameString);
EXPECT_THROW(std::tie(shorts, longs, pname) = CLI::detail::get_names({"-hi"}), CLI::BadNameString);
EXPECT_THROW(std::tie(shorts, longs, pname) = CLI::detail::get_names({"one","two"}), CLI::BadNameString);
}