Initial community commit

Src/external_dependencies/cpr/test/abstractServer.hpp

@@ -0,0 +1,70 @@
+#ifndef CPR_TEST_ABSTRACT_SERVER_SERVER_H
+#define CPR_TEST_ABSTRACT_SERVER_SERVER_H
+
+#include <atomic>
+#include <condition_variable>
+#include <gtest/gtest.h>
+#include <memory>
+#include <mutex>
+#include <string>
+
+#include "cpr/cpr.h"
+#include "mongoose.h"
+
+namespace cpr {
+
+// Helper struct for functions using timers to simulate slow connections
+struct TimerArg {
+    mg_mgr* mgr;
+    mg_connection* connection;
+    unsigned long connection_id;
+    mg_timer timer;
+    unsigned counter;
+
+    explicit TimerArg(mg_mgr* m, mg_connection* c, mg_timer&& t) : mgr{m}, connection{c}, connection_id{0}, timer{t}, counter{0} {}
+
+    ~TimerArg() {
+        mg_timer_free(&mgr->timers, &timer);
+    }
+};
+
+class AbstractServer : public testing::Environment {
+  public:
+    ~AbstractServer() override = default;
+
+    void SetUp() override;
+    void TearDown() override;
+
+    void Start();
+    void Stop();
+
+    virtual std::string GetBaseUrl() = 0;
+    virtual uint16_t GetPort() = 0;
+
+    virtual void acceptConnection(mg_connection* conn) = 0;
+    virtual void OnRequest(mg_connection* conn, mg_http_message* msg) = 0;
+
+  private:
+    std::shared_ptr<std::thread> serverThread{nullptr};
+    std::mutex server_mutex;
+    std::condition_variable server_start_cv;
+    std::condition_variable server_stop_cv;
+    std::atomic<bool> should_run{false};
+
+    void Run();
+
+  protected:
+    mg_mgr mgr{};
+    std::vector<std::unique_ptr<TimerArg>> timer_args{};
+    virtual mg_connection* initServer(mg_mgr* mgr, mg_event_handler_t event_handler) = 0;
+
+    static std::string Base64Decode(const std::string& in);
+    static void SendError(mg_connection* conn, int code, std::string& reason);
+    static bool IsConnectionActive(mg_mgr* mgr, mg_connection* conn);
+
+    static uint16_t GetRemotePort(const mg_connection* conn);
+    static uint16_t GetLocalPort(const mg_connection* conn);
+};
+} // namespace cpr
+
+#endif