HelpersTest.cpp
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#include "app_helper.hpp"
#include <cstdio>
#include <fstream>
TEST(Split, SimpleByToken) {
auto out = CLI::detail::split("one.two.three", '.');
ASSERT_EQ(3, out.size());
EXPECT_EQ("one", out.at(0));
EXPECT_EQ("two", out.at(1));
EXPECT_EQ("three", out.at(2));
}
TEST(Split, Single) {
auto out = CLI::detail::split("one", '.');
ASSERT_EQ(1, out.size());
EXPECT_EQ("one", out.at(0));
}
TEST(Split, Empty) {
auto out = CLI::detail::split("", '.');
ASSERT_EQ(1, out.size());
EXPECT_EQ("", out.at(0));
}
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(Trim, VariousFilters) {
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 \t", s2);
std::string s3{"abdavda"};
CLI::detail::trim(s3, "a");
EXPECT_EQ("bdavd", s3);
std::string s4{"abcabcabc"};
EXPECT_EQ("cabcabc", CLI::detail::trim(s4, "ab"));
}
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(Validators, FileIsDir) {
std::string mydir{"../tests"};
EXPECT_FALSE(CLI::ExistingFile(mydir));
}
TEST(Validators, DirectoryExists) {
std::string mydir{"../tests"};
EXPECT_TRUE(CLI::ExistingDirectory(mydir));
}
TEST(Validators, DirectoryNotExists) {
std::string mydir{"nondirectory"};
EXPECT_FALSE(CLI::ExistingDirectory(mydir));
}
TEST(Validators, DirectoryIsFile) {
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::ExistingDirectory(myfile));
std::remove(myfile.c_str());
EXPECT_TRUE(CLI::NonexistentPath(myfile));
}
// Yes, this is testing an app_helper :)
TEST(AppHelper, TempfileCreated) {
std::string name = "TestFileNotUsed.txt";
{
TempFile myfile{name};
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(name));
EXPECT_THROW({TempFile otherfile(name);}, std::runtime_error);
}
EXPECT_FALSE(CLI::ExistingFile(name));
}
TEST(AppHelper, TempfileNotCreated) {
std::string name = "TestFileNotUsed.txt";
{
TempFile myfile{name};
EXPECT_FALSE(CLI::ExistingFile(myfile));
}
EXPECT_FALSE(CLI::ExistingFile(name));
}
TEST(AppHelper, Ofstream) {
std::string name = "TestFileNotUsed.txt";
{
TempFile myfile(name);
{
std::ofstream out{myfile};
out << "this is output" << std::endl;
}
EXPECT_TRUE(CLI::ExistingFile(myfile));
}
EXPECT_FALSE(CLI::ExistingFile(name));
}
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);
}
TEST(String, ToLower) {
EXPECT_EQ("one and two", CLI::detail::to_lower("one And TWO"));
}
TEST(Join, Forward) {
std::vector<std::string> val {{"one", "two", "three"}};
EXPECT_EQ("one,two,three", CLI::detail::join(val));
EXPECT_EQ("one;two;three", CLI::detail::join(val, ";"));
}
TEST(Join, Backward) {
std::vector<std::string> val {{"three", "two", "one"}};
EXPECT_EQ("one,two,three", CLI::detail::rjoin(val));
EXPECT_EQ("one;two;three", CLI::detail::rjoin(val, ";"));
}
TEST(SplitUp, Simple) {
std::vector<std::string> oput = {"one", "two three"};
std::string orig {"one \"two three\""};
std::vector<std::string> result = CLI::detail::split_up(orig);
EXPECT_EQ(oput, result);
}
TEST(SplitUp, Layered) {
std::vector<std::string> output = {"one \'two three\'"};
std::string orig {"\"one \'two three\'\""};
std::vector<std::string> result = CLI::detail::split_up(orig);
EXPECT_EQ(output, result);
}
TEST(SplitUp, Spaces) {
std::vector<std::string> oput = {"one", " two three"};
std::string orig {" one \" two three\" "};
std::vector<std::string> result = CLI::detail::split_up(orig);
EXPECT_EQ(oput, result);
}