File: cxx_common_net.cpp

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// NOLINTBEGIN(*)

#include "cxx_common.h"

#include <tango/internal/net.h>
using namespace Tango::detail;

#undef SUITE_NAME
#define SUITE_NAME CommonMiscTestSuite

class SUITE_NAME : public CxxTest::TestSuite
{
  protected:
  public:
    SUITE_NAME()
    {
        //
        // Arguments check -------------------------------------------------
        //

        CxxTest::TangoPrinter::validate_args();

        //
        // Initialization --------------------------------------------------
        //
    }

    virtual ~SUITE_NAME() = default;

    static SUITE_NAME *createSuite()
    {
        return new SUITE_NAME();
    }

    static void destroySuite(SUITE_NAME *suite)
    {
        delete suite;
    }

    //
    // Tests -------------------------------------------------------
    //

    void test_is_ip_address()
    {
        // IPv4
        TS_ASSERT(is_ip_address("127.0.0.1"));
        TS_ASSERT(is_ip_address("1.1.1.1"));

        // IPv6 is not supported
        TS_ASSERT(!is_ip_address("::1"));

        // random strings
        TS_ASSERT(!is_ip_address("example_dot_org"));

        // hostname
        TS_ASSERT(!is_ip_address("example.org"));

        // we need a non empty string
        TS_ASSERT_THROWS_ASSERT(is_ip_address(""),
                                Tango::DevFailed & e,
                                TS_ASSERT_EQUALS(std::string(e.errors[0].reason.in()), API_InvalidArgs));
    }

    void test_resolve_hostname_address()
    {
        std::vector<std::string> results;
        TS_ASSERT_THROWS_NOTHING(results = resolve_hostname_address("localhost"));
        TS_ASSERT(results.size() >= 1);
        TS_ASSERT(std::find(std::cbegin(results), std::cend(results), "127.0.0.1") != std::end(results));

        // IPv4 only
        TS_ASSERT_THROWS_NOTHING(results = resolve_hostname_address("ip6-loopback"));
        TS_ASSERT(results.size() >= 1);
        TS_ASSERT(std::find(std::cbegin(results), std::cend(results), "127.0.0.1") != std::end(results));
        TS_ASSERT(std::find(std::cbegin(results), std::cend(results), "::1") == std::end(results));

        // invalid hostname
        TS_ASSERT_THROWS_ASSERT(auto result = resolve_hostname_address("I_DONT_EXIST..com"),
                                Tango::DevFailed & e,
                                TS_ASSERT_EQUALS(std::string(e.errors[0].reason.in()), API_InvalidArgs));

        // unresolvable hostname
        TS_ASSERT_THROWS_ASSERT(auto result =
                                    resolve_hostname_address("I_DONT_EXIST.AT.NON_EXISTING_SUBDOMAIN.byte-physics.de"),
                                Tango::DevFailed & e,
                                TS_ASSERT_EQUALS(std::string(e.errors[0].reason.in()), API_InvalidArgs));

        // we need a non empty string
        TS_ASSERT_THROWS_ASSERT(auto result = resolve_hostname_address(""),
                                Tango::DevFailed & e,
                                TS_ASSERT_EQUALS(std::string(e.errors[0].reason.in()), API_InvalidArgs));
    }

    void test_get_port_from_endpoint()
    {
        // empty
        TS_ASSERT_THROWS_ASSERT(auto port = get_port_from_endpoint(""),
                                Tango::DevFailed & e,
                                TS_ASSERT_EQUALS(std::string(e.errors[0].reason.in()), API_InvalidArgs));

        // invalid format without :
        TS_ASSERT_THROWS_ASSERT(auto port = get_port_from_endpoint("a_b"),
                                Tango::DevFailed & e,
                                TS_ASSERT_EQUALS(std::string(e.errors[0].reason.in()), API_InvalidArgs));

        // invalid format as : is the last char
        TS_ASSERT_THROWS_ASSERT(auto port = get_port_from_endpoint("b:"),
                                Tango::DevFailed & e,
                                TS_ASSERT_EQUALS(std::string(e.errors[0].reason.in()), API_InvalidArgs));

        TS_ASSERT_EQUALS(get_port_from_endpoint("a:b"), "b");
        TS_ASSERT_EQUALS(get_port_from_endpoint("tcp://a:b"), "b");
    }

    void test_qualify_host_address()
    {
        // empty name
        TS_ASSERT_THROWS_ASSERT(qualify_host_address("", "b"),
                                Tango::DevFailed & e,
                                TS_ASSERT_EQUALS(std::string(e.errors[0].reason.in()), API_InvalidArgs));

        // empty port
        TS_ASSERT_THROWS_ASSERT(qualify_host_address("a", ""),
                                Tango::DevFailed & e,
                                TS_ASSERT_EQUALS(std::string(e.errors[0].reason.in()), API_InvalidArgs));

        TS_ASSERT_EQUALS(qualify_host_address("a", "b"), "tcp://a:b");
    }

    void test_split_endpoint()
    {
        {
            // clears pass-by-reference-parameters
            std::string name = "abcd";
            std::string port = "efgh";
            TS_ASSERT_THROWS_ASSERT(split_endpoint("tcp://a:", name, port),
                                    Tango::DevFailed & e,
                                    TS_ASSERT_EQUALS(std::string(e.errors[0].reason.in()), API_InvalidArgs));
            TS_ASSERT(name.empty());
            TS_ASSERT(port.empty());
        }

        {
            // requires port spec
            std::string name, port;
            TS_ASSERT_THROWS_ASSERT(split_endpoint("tcp://ab", name, port),
                                    Tango::DevFailed & e,
                                    TS_ASSERT_EQUALS(std::string(e.errors[0].reason.in()), API_InvalidArgs));
            TS_ASSERT(name.empty());
            TS_ASSERT(port.empty());
        }

        {
            // too short
            std::string name, port;
            TS_ASSERT_THROWS_ASSERT(split_endpoint("ab", name, port),
                                    Tango::DevFailed & e,
                                    TS_ASSERT_EQUALS(std::string(e.errors[0].reason.in()), API_InvalidArgs));
            TS_ASSERT(name.empty());
            TS_ASSERT(port.empty());
        }

        {
            // still too short
            std::string name, port;
            TS_ASSERT_THROWS_ASSERT(split_endpoint("tcp://", name, port),
                                    Tango::DevFailed & e,
                                    TS_ASSERT_EQUALS(std::string(e.errors[0].reason.in()), API_InvalidArgs));
            TS_ASSERT(name.empty());
            TS_ASSERT(port.empty());
        }

        {
            std::string name, port;
            TS_ASSERT_THROWS_NOTHING(split_endpoint("tcp://a:b", name, port));
            TS_ASSERT_EQUALS(name, "a");
            TS_ASSERT_EQUALS(port, "b");
        }
    }

    void test_parse_hostname_from_CORBA_URI()
    {
        // empty
        TS_ASSERT_THROWS_ASSERT(auto result = parse_hostname_from_CORBA_URI(""),
                                Tango::DevFailed & e,
                                TS_ASSERT_EQUALS(std::string(e.errors[0].reason.in()), API_InvalidArgs));

        // only one colon
        TS_ASSERT_THROWS_ASSERT(auto result = parse_hostname_from_CORBA_URI(":"),
                                Tango::DevFailed & e,
                                TS_ASSERT_EQUALS(std::string(e.errors[0].reason.in()), API_InvalidArgs));

        // only two colons
        TS_ASSERT_THROWS_ASSERT(auto result = parse_hostname_from_CORBA_URI("::"),
                                Tango::DevFailed & e,
                                TS_ASSERT_EQUALS(std::string(e.errors[0].reason.in()), API_InvalidArgs));

        // empty hostname
        TS_ASSERT_EQUALS(parse_hostname_from_CORBA_URI(":::"), "");

        // bare minimum
        TS_ASSERT_EQUALS(parse_hostname_from_CORBA_URI("::abcd:"), "abcd");

        // full entry with hostname
        TS_ASSERT_EQUALS(parse_hostname_from_CORBA_URI("giop:tcp:myhost:12345"), "myhost");

        // full entry with IPv4 address
        TS_ASSERT_EQUALS(parse_hostname_from_CORBA_URI("giop:tcp:0.0.0.0:12345"), "0.0.0.0");
    }
};

// NOLINTEND(*)