backend/tests/test_string_to_vector.cpp

#include "cgi.hpp"

#include <catch.hpp>

#include <exception>
#include <string>
#include <vector>

namespace FediBlock
{

using std::string;
using std::vector;

SCENARIO("string_to_vector()")
{
    bool exception{false};
    vector<string> vec;

    {
        const string str{"a,b,c,d"};
        WHEN("string is " + str)
        {
            try
            {
                vec = cgi::string_to_vector(str);
            }
            catch (std::exception &)
            {
                exception = true;
            }

            THEN("No exception is thrown")
            AND_THEN(R"(vector is {"a", "b", "c", "d"})")
            {
                REQUIRE_FALSE(exception);
                REQUIRE(vec == vector<string>({"a", "b", "c", "d"}));
            }
        }
    }

    {
        const string str;
        WHEN("string is \"" + str + '"')
        {
            try
            {
                vec = cgi::string_to_vector(str);
            }
            catch (std::exception &)
            {
                exception = true;
            }

            THEN("No exception is thrown")
            AND_THEN(R"(vector is {})")
            {
                REQUIRE_FALSE(exception);
                REQUIRE(vec.empty());
            }
        }
    }

    {
        const string str{"a,b,"};
        WHEN("string is \"" + str + '"')
        {
            try
            {
                vec = cgi::string_to_vector(str);
            }
            catch (std::exception &)
            {
                exception = true;
            }

            THEN("No exception is thrown")
            AND_THEN(R"(vector is {"a", "b"})")
            {
                REQUIRE_FALSE(exception);
                REQUIRE(vec == vector<string>({"a", "b"}));
            }
        }
    }

    {
        const string str{",a,b"};
        WHEN("string is \"" + str + '"')
        {
            try
            {
                vec = cgi::string_to_vector(str);
            }
            catch (std::exception &)
            {
                exception = true;
            }

            THEN("No exception is thrown")
            AND_THEN(R"(vector is {"a", "b"})")
            {
                REQUIRE_FALSE(exception);
                REQUIRE(vec == vector<string>({"a", "b"}));
            }
        }
    }

    {
        const string str{",,,"};
        WHEN("string is \"" + str + '"')
        {
            try
            {
                vec = cgi::string_to_vector(str);
            }
            catch (std::exception &)
            {
                exception = true;
            }

            THEN("No exception is thrown")
            AND_THEN(R"(vector is {})")
            {
                REQUIRE_FALSE(exception);
                REQUIRE(vec.empty());
            }
        }
    }
}

} // namespace FediBlock