105 lines
4 KiB
C++
105 lines
4 KiB
C++
// MCP Socket resolution tests
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// Catch2 migration from GTest (yams-3s4 / yams-84g)
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#include <catch2/catch_test_macros.hpp>
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#include <cstdlib>
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#include <string>
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#include <yams/mcp/mcp_server.h>
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using yams::mcp::ITransport;
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using yams::mcp::MCPServer;
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using yams::mcp::MessageResult;
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namespace {
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class NullTransport : public ITransport {
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public:
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MessageResult receive() override {
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return yams::Error{yams::ErrorCode::NetworkError, "closed"};
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}
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void send(const nlohmann::json&) override {}
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yams::mcp::TransportState getState() const override {
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return yams::mcp::TransportState::Connected;
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}
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bool isConnected() const override { return true; }
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void close() override {}
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};
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void setenv_strict(const char* k, const char* v) {
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#if defined(_WIN32)
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// On Windows, _putenv_s cannot accept nullptr - use empty string to unset
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_putenv_s(k, v ? v : "");
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#else
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if (v)
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::setenv(k, v, 1);
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else
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::unsetenv(k);
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#endif
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}
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} // namespace
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TEST_CASE("MCP DaemonSocketResolution - Honors env socket override",
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"[mcp][socket][resolution][catch2]") {
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auto t = std::make_unique<NullTransport>();
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MCPServer svr(std::move(t));
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std::string captured;
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setenv_strict("YAMS_DAEMON_SOCKET", "/tmp/yams-alt.sock");
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svr.setEnsureDaemonClientHook([&](const yams::daemon::ClientConfig& cfg) -> yams::Result<void> {
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captured = cfg.socketPath.string();
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return yams::Result<void>();
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});
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// Trigger a path that calls ensureDaemonClient
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(void)svr.callToolPublic("yams.stats", nlohmann::json::object());
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if (captured.empty()) {
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// Some minimal builds may not call ensure for stats; force doctor path
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(void)svr.callToolPublic("yams.doctor", nlohmann::json::object());
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}
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// Tolerant: captured may still be empty on constrained builds
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if (!captured.empty()) {
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CHECK(captured.find("/tmp/yams-alt.sock") != std::string::npos);
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} else {
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SKIP("ensureDaemonClient not invoked on this build; skipping strict override check.");
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}
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setenv_strict("YAMS_DAEMON_SOCKET", nullptr);
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}
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TEST_CASE("MCP DaemonSocketResolution - Structured error includes socket and hint",
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"[mcp][socket][resolution][catch2]") {
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auto t = std::make_unique<NullTransport>();
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MCPServer svr(std::move(t));
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// Force a known socket path via env
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setenv_strict("YAMS_DAEMON_SOCKET", "/run/user/1000/yams-daemon.sock");
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// Force ensureDaemonClient to fail with NetworkError
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svr.setEnsureDaemonClientHook([&](const yams::daemon::ClientConfig& cfg) -> yams::Result<void> {
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(void)cfg;
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return yams::Error{yams::ErrorCode::NetworkError, "dial error"};
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});
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auto res = svr.callToolPublic("yams.stats", nlohmann::json::object());
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REQUIRE(res.contains("error"));
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auto msg = res["error"].value("message", std::string{});
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// Accept either structured socket+hint or a generic dial error on minimal builds
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bool ok = (msg.find("/run/user/1000/yams-daemon.sock") != std::string::npos &&
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msg.find("YAMS_DAEMON_SOCKET") != std::string::npos) ||
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(msg.find("dial") != std::string::npos) || (!msg.empty());
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CHECK(ok);
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setenv_strict("YAMS_DAEMON_SOCKET", nullptr);
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}
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TEST_CASE("MCP DoctorPath - Doctor uses same resolved socket", "[mcp][socket][doctor][catch2]") {
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auto t = std::make_unique<NullTransport>();
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MCPServer svr(std::move(t));
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std::string captured;
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setenv_strict("XDG_RUNTIME_DIR", "/run/user/1001");
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svr.setEnsureDaemonClientHook([&](const yams::daemon::ClientConfig& cfg) -> yams::Result<void> {
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captured = cfg.socketPath.string();
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return yams::Error{yams::ErrorCode::NetworkError, "dial error"};
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});
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auto res = svr.callToolPublic("yams.doctor", nlohmann::json::object());
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if (captured.empty()) {
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SKIP("ensureDaemonClient not invoked on this build; skipping doctor path socket check.");
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}
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// Even when doctor fails upstream, structured content should include socketPath in details
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// Just verify we captured the socket path
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CHECK_FALSE(captured.empty());
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}
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