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#include <doctest/doctest.h>
#include <vector>
#include "packeteer/l7/smtp.hpp"
using namespace packeteer::net;
namespace {
std::vector<unsigned char> to_bytes(const std::string& s) {
return std::vector<unsigned char>(s.begin(), s.end());
}
} // namespace
TEST_CASE("parse_smtp decodes a greeting response") {
auto msg = parse_smtp(to_bytes("220 mail.example.com ESMTP\r\n"));
REQUIRE(msg.has_value());
CHECK(msg->is_response);
CHECK(msg->command_or_code == "220");
CHECK(msg->argument == "mail.example.com ESMTP");
}
TEST_CASE("parse_smtp decodes a MAIL FROM command") {
auto msg = parse_smtp(to_bytes("MAIL FROM:<[email protected]>\r\n"));
REQUIRE(msg.has_value());
CHECK_FALSE(msg->is_response);
CHECK(msg->command_or_code == "MAIL");
CHECK(msg->argument == "FROM:<[email protected]>");
}
TEST_CASE("parse_smtp decodes a multi-line response's first line, dash included") {
auto msg = parse_smtp(to_bytes("250-mail.example.com Hello\r\n250-PIPELINING\r\n"));
REQUIRE(msg.has_value());
CHECK(msg->command_or_code == "250");
CHECK(msg->argument == "mail.example.com Hello");
}
TEST_CASE("parse_smtp rejects an unrecognized command word") {
CHECK_FALSE(parse_smtp(to_bytes("BOGUS foo\r\n")).has_value());
}
TEST_CASE("SmtpDissector claims port 25") {
SmtpDissector dissector;
CHECK(dissector.port() == kSmtpPort);
auto summary = dissector.summarize(to_bytes("EHLO client.example.com\r\n"));
REQUIRE(summary.has_value());
CHECK(*summary == "SMTP EHLO client.example.com");
}
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