refactor: merged code structure

test/webfuse_provider/tests/core/jsonrpc/mock_timer.cc

@@ -0,0 +1,31 @@
+#include "webfuse_provider/tests/core/jsonrpc/mock_timer.hpp"
+#include "webfuse_provider/utils/wrap.hpp"
+
+extern "C"
+{
+static wf_jsonrpc_test::ITimer * wf_jsonrpc_MockTimer = nullptr;
+
+WF_WRAP_FUNC0(wf_jsonrpc_MockTimer, wf_timer_manager *, wf_timer_manager_create);
+WF_WRAP_FUNC1(wf_jsonrpc_MockTimer, void, wf_timer_manager_dispose, wf_timer_manager *);
+WF_WRAP_FUNC1(wf_jsonrpc_MockTimer, void, wf_timer_manager_check, wf_timer_manager *);
+
+WF_WRAP_FUNC3(wf_jsonrpc_MockTimer, wf_timer *, wf_timer_create, wf_timer_manager *, wf_timer_on_timer_fn *, void *);
+WF_WRAP_FUNC1(wf_jsonrpc_MockTimer, void, wf_timer_dispose, wf_timer *);
+WF_WRAP_FUNC2(wf_jsonrpc_MockTimer, void, wf_timer_start, wf_timer *, int);
+WF_WRAP_FUNC1(wf_jsonrpc_MockTimer, void, wf_timer_cancel, wf_timer *);
+
+}
+
+namespace wf_jsonrpc_test
+{
+MockTimer::MockTimer()
+{
+    wf_jsonrpc_MockTimer = this;
+}
+
+MockTimer::~MockTimer()
+{
+    wf_jsonrpc_MockTimer = nullptr;
+}
+
+}

test/webfuse_provider/tests/core/jsonrpc/mock_timer.hpp

@@ -0,0 +1,48 @@
+#ifndef WF_JSONRPC_MOCK_TIMERMANAGER_HPP
+#define WF_JSONRPC_MOCK_TIMERMANAGER_HPP
+
+#include "webfuse_provider/impl/timer/timer.h"
+#include "webfuse_provider/impl/timer/manager.h"
+#include <gmock/gmock.h>
+
+namespace wf_jsonrpc_test
+{
+
+class ITimer
+{
+public:
+    virtual ~ITimer() = default;
+    virtual wf_timer_manager * wf_timer_manager_create() = 0;
+    virtual void wf_timer_manager_dispose(wf_timer_manager * manager) = 0;
+    virtual void wf_timer_manager_check(wf_timer_manager * manager) = 0;
+    virtual wf_timer * wf_timer_create(
+        wf_timer_manager * manager,
+        wf_timer_on_timer_fn * on_timer,
+        void * user_data) = 0;
+    virtual void wf_timer_dispose(wf_timer * timer) = 0;
+    virtual void wf_timer_start(wf_timer * timer, int timeout_ms) = 0;
+   virtual void wf_timer_cancel(wf_timer * timer) = 0; 
+};
+
+class MockTimer: public ITimer
+{
+public:
+    MockTimer();
+    ~MockTimer() override;
+    MOCK_METHOD0(wf_timer_manager_create, wf_timer_manager * ());
+    MOCK_METHOD1(wf_timer_manager_dispose, void(wf_timer_manager * manager));
+    MOCK_METHOD1(wf_timer_manager_check, void (wf_timer_manager * manager));
+    MOCK_METHOD3(wf_timer_create,  wf_timer *(
+        wf_timer_manager * manager,
+        wf_timer_on_timer_fn * on_timer,
+        void * user_data));
+    MOCK_METHOD1(wf_timer_dispose, void (wf_timer * timer));
+    MOCK_METHOD2(wf_timer_start, void (wf_timer * timer, int timeout_ms));
+    MOCK_METHOD1(wf_timer_cancel, void (wf_timer * timer)); 
+
+};
+
+
+}
+
+#endif

test/webfuse_provider/tests/core/jsonrpc/mock_timer_callback.cc

@@ -0,0 +1,41 @@
+#include "webfuse_provider/tests/core/jsonrpc/mock_timer_callback.hpp"
+
+extern "C"
+{
+using wf_jsonrpc_test::MockTimerCallback;
+
+static void wf_jsonrpc_test_MockTimerCallback_on_timer(
+    wf_timer * timer,
+    void * user_data)
+{
+    auto * self = reinterpret_cast<MockTimerCallback*>(user_data);
+    self->on_timer(timer, user_data);
+}
+
+}
+
+namespace wf_jsonrpc_test
+{
+
+MockTimerCallback::MockTimerCallback()
+{
+
+}
+
+MockTimerCallback::~MockTimerCallback()
+{
+
+}
+
+wf_timer_on_timer_fn * MockTimerCallback::on_timer_fn()
+{
+    return &wf_jsonrpc_test_MockTimerCallback_on_timer;
+}
+
+void * MockTimerCallback::user_data()
+{
+    return reinterpret_cast<void*>(this);
+}
+
+
+}

test/webfuse_provider/tests/core/jsonrpc/mock_timer_callback.hpp

@@ -0,0 +1,23 @@
+#ifndef WF_JSONRPC_MOCK_TIMERCALLBACK_HPP
+#define WF_JSONRPC_MOCK_TIMERCALLBACK_HPP
+
+#include "webfuse_provider/impl/timer/on_timer_fn.h"
+#include <gmock/gmock.h>
+
+namespace wf_jsonrpc_test
+{
+class MockTimerCallback
+{
+public:
+    MockTimerCallback();
+    virtual ~MockTimerCallback();
+    wf_timer_on_timer_fn * on_timer_fn();
+    void * user_data();
+
+    MOCK_METHOD2(on_timer, void (wf_timer * timer, void * user_data));
+
+};
+
+}
+
+#endif

test/webfuse_provider/tests/core/jsonrpc/test_is_request.cc

@@ -0,0 +1,112 @@
+#include <gtest/gtest.h>
+#include "webfuse_provider/impl/jsonrpc/request.h"
+
+TEST(wf_jsonrpc_is_request, request_with_object_params)
+{
+    json_t * request = json_object();
+    json_object_set_new(request, "method", json_string("method"));
+    json_object_set_new(request, "params", json_object());
+    json_object_set_new(request, "id", json_integer(42));
+
+    ASSERT_TRUE(wf_jsonrpc_is_request(request));
+
+    json_decref(request);
+}
+
+TEST(wf_jsonrpc_is_request, request_with_array_params)
+{
+    json_t * request = json_object();
+    json_object_set_new(request, "method", json_string("method"));
+    json_object_set_new(request, "params", json_array());
+    json_object_set_new(request, "id", json_integer(42));
+
+    ASSERT_TRUE(wf_jsonrpc_is_request(request));
+
+    json_decref(request);
+}
+
+TEST(wf_jsonrpc_is_request, null_request)
+{
+    ASSERT_FALSE(wf_jsonrpc_is_request(nullptr));
+}
+
+TEST(wf_jsonrpc_is_request, invalid_request)
+{
+    json_t * request = json_array();
+    json_array_append_new(request, json_string("method"));
+    json_array_append_new(request, json_object());
+    json_array_append_new(request, json_integer(42));
+
+    ASSERT_FALSE(wf_jsonrpc_is_request(request));
+
+    json_decref(request);
+}
+
+TEST(wf_jsonrpc_is_request, invalid_request_without_id)
+{
+    json_t * request = json_object();
+    json_object_set_new(request, "method", json_string("method"));
+    json_object_set_new(request, "params", json_object());
+
+    ASSERT_FALSE(wf_jsonrpc_is_request(request));
+
+    json_decref(request);
+}
+
+TEST(wf_jsonrpc_is_request, invalid_request_due_to_invalid_id)
+{
+    json_t * request = json_object();
+    json_object_set_new(request, "method", json_string("method"));
+    json_object_set_new(request, "params", json_object());
+    json_object_set_new(request, "id", json_string("42"));
+
+    ASSERT_FALSE(wf_jsonrpc_is_request(request));
+
+    json_decref(request);
+}
+
+TEST(wf_jsonrpc_is_request, invalid_request_without_method)
+{
+    json_t * request = json_object();
+    json_object_set_new(request, "params", json_object());
+    json_object_set_new(request, "id", json_integer(42));
+
+    ASSERT_FALSE(wf_jsonrpc_is_request(request));
+
+    json_decref(request);
+}
+
+TEST(wf_jsonrpc_is_request, invalid_request_due_to_invalid_method)
+{
+    json_t * request = json_object();
+    json_object_set_new(request, "method", json_integer(42));
+    json_object_set_new(request, "params", json_object());
+    json_object_set_new(request, "id", json_integer(42));
+
+    ASSERT_FALSE(wf_jsonrpc_is_request(request));
+
+    json_decref(request);
+}
+
+TEST(wf_jsonrpc_is_request, invalid_request_without_params)
+{
+    json_t * request = json_object();
+    json_object_set_new(request, "method", json_string("method"));
+    json_object_set_new(request, "id", json_integer(42));
+
+    ASSERT_FALSE(wf_jsonrpc_is_request(request));
+
+    json_decref(request);
+}
+
+TEST(wf_jsonrpc_is_request, invalid_request_due_to_invalid_params)
+{
+    json_t * request = json_object();
+    json_object_set_new(request, "methdo", json_string("method"));
+    json_object_set_new(request, "params", json_string("params"));
+    json_object_set_new(request, "id", json_integer(42));
+
+    ASSERT_FALSE(wf_jsonrpc_is_request(request));
+
+    json_decref(request);
+}

test/webfuse_provider/tests/core/jsonrpc/test_is_response.cc

@@ -0,0 +1,94 @@
+#include <gtest/gtest.h>
+#include "webfuse_provider/impl/jsonrpc/response.h"
+
+TEST(wf_jsonrpc_is_response, valid_result)
+{
+    json_t * message = json_object();
+    json_object_set_new(message, "result", json_object());
+    json_object_set_new(message, "id", json_integer(42));
+
+    ASSERT_TRUE(wf_jsonrpc_is_response(message));
+
+    json_decref(message);
+}
+
+TEST(wf_jsonrpc_is_response, valid_result_string)
+{
+    json_t * message = json_object();
+    json_object_set_new(message, "result", json_string("also valid"));
+    json_object_set_new(message, "id", json_integer(42));
+
+    ASSERT_TRUE(wf_jsonrpc_is_response(message));
+
+    json_decref(message);
+}
+
+TEST(wf_jsonrpc_is_response, valid_error)
+{
+    json_t * message = json_object();
+    json_object_set_new(message, "error", json_object());
+    json_object_set_new(message, "id", json_integer(42));
+
+    ASSERT_TRUE(wf_jsonrpc_is_response(message));
+
+    json_decref(message);
+}
+
+TEST(wf_jsonrpc_is_response, invalid_null)
+{
+    ASSERT_FALSE(wf_jsonrpc_is_response(nullptr));
+}
+
+TEST(wf_jsonrpc_is_response, invalid_message)
+{
+    json_t * message = json_array();
+    json_array_append_new(message, json_object());
+    json_array_append_new(message, json_integer(42));
+
+    ASSERT_FALSE(wf_jsonrpc_is_response(message));
+
+    json_decref(message);
+}
+
+TEST(wf_jsonrpc_is_response, invalid_missing_id)
+{
+    json_t * message = json_object();
+    json_object_set_new(message, "result", json_object());
+
+    ASSERT_FALSE(wf_jsonrpc_is_response(message));
+
+    json_decref(message);
+}
+
+TEST(wf_jsonrpc_is_response, invalid_id_wrong_type)
+{
+    json_t * message = json_object();
+    json_object_set_new(message, "result", json_object());
+    json_object_set_new(message, "id", json_string("42"));
+
+    ASSERT_FALSE(wf_jsonrpc_is_response(message));
+
+    json_decref(message);
+}
+
+
+TEST(wf_jsonrpc_is_response, invalid_missing_result_and_error)
+{
+    json_t * message = json_object();
+    json_object_set_new(message, "id", json_integer(42));
+
+    ASSERT_FALSE(wf_jsonrpc_is_response(message));
+
+    json_decref(message);
+}
+
+TEST(wf_jsonrpc_is_response, invalid_error_wrong_type)
+{
+    json_t * message = json_object();
+    json_object_set_new(message, "error", json_array());
+    json_object_set_new(message, "id", json_integer(42));
+
+    ASSERT_FALSE(wf_jsonrpc_is_response(message));
+
+    json_decref(message);
+}

test/webfuse_provider/tests/core/jsonrpc/test_proxy.cc

@@ -0,0 +1,430 @@
+#include <gtest/gtest.h>
+#include "webfuse_provider/impl/jsonrpc/proxy.h"
+#include "webfuse_provider/status.h"
+#include "webfuse_provider/impl/timer/manager.h"
+
+#include "webfuse_provider/tests/core/jsonrpc/mock_timer.hpp"
+
+#include <thread>
+#include <chrono>
+
+using namespace std::chrono_literals;
+using wf_jsonrpc_test::MockTimer;
+using testing::Return;
+using testing::_;
+using testing::DoAll;
+using testing::SaveArg;
+
+#define WF_DEFAULT_TIMEOUT (10 * 1000)
+
+namespace
+{
+    int jsonrpc_get_status(json_t * error)
+    {
+        json_t * code = json_object_get(error, "code");
+        return (json_is_integer(code)) ? json_integer_value(code) : WF_BAD_FORMAT;
+    }
+
+    struct SendContext
+    {
+        json_t * response;
+        bool result;
+        bool is_called;
+
+        explicit SendContext(bool result_ = true)
+        : response(nullptr)
+        , result(result_)
+        , is_called(false)
+        {
+        }
+
+        ~SendContext() 
+        {
+            if (nullptr != response)
+            {
+                json_decref(response);
+            }
+        }
+    };
+
+    bool jsonrpc_send(
+        json_t * request,
+        void * user_data)
+    {
+        SendContext * context = reinterpret_cast<SendContext*>(user_data);
+        context->is_called = true;
+        context->response = request;
+        json_incref(request);
+
+        return context->result;
+    }
+
+    struct FinishedContext
+    {
+        bool is_called;
+        json_t * result;
+        json_t * error;
+
+        FinishedContext()
+        : is_called(false)
+        , result(nullptr)
+        , error(nullptr)
+        {
+
+        }
+
+        ~FinishedContext()
+        {
+            if (nullptr != result)
+            {
+                json_decref(result);
+            }
+
+            if (nullptr != error)
+            {
+                json_decref(error);
+            }
+        }
+    };
+
+    void jsonrpc_finished(
+        void * user_data,
+        json_t const * result,
+        json_t const * error)
+    {
+        FinishedContext * context = reinterpret_cast<FinishedContext*>(user_data);
+        context->is_called = true;
+        context->result = json_deep_copy(result);
+        context->error = json_deep_copy(error);
+    }
+}
+
+TEST(wf_jsonrpc_proxy, init)
+{
+    struct wf_timer_manager * timer_manager = wf_timer_manager_create();
+
+    SendContext context;
+    void * user_data = reinterpret_cast<void*>(&context);
+    struct wf_jsonrpc_proxy * proxy = wf_jsonrpc_proxy_create(timer_manager, WF_DEFAULT_TIMEOUT, &jsonrpc_send, user_data);
+
+    wf_jsonrpc_proxy_dispose(proxy);
+    wf_timer_manager_dispose(timer_manager);
+
+    ASSERT_FALSE(context.is_called);
+}
+
+TEST(wf_jsonrpc_proxy, invoke)
+{
+    struct wf_timer_manager * timer_manager = wf_timer_manager_create();
+
+    SendContext send_context;
+    void * send_data = reinterpret_cast<void*>(&send_context);
+    struct wf_jsonrpc_proxy * proxy = wf_jsonrpc_proxy_create(timer_manager, WF_DEFAULT_TIMEOUT, &jsonrpc_send, send_data);
+
+    FinishedContext finished_context;
+    void * finished_data = reinterpret_cast<void*>(&finished_context);
+    wf_jsonrpc_proxy_invoke(proxy, &jsonrpc_finished, finished_data, "foo", "si", "bar", 42);
+
+    ASSERT_TRUE(send_context.is_called);
+    ASSERT_TRUE(json_is_object(send_context.response));
+
+    json_t * method = json_object_get(send_context.response, "method");
+    ASSERT_TRUE(json_is_string(method));
+    ASSERT_STREQ("foo", json_string_value(method));
+
+    json_t * params = json_object_get(send_context.response, "params");
+    ASSERT_TRUE(json_is_array(params));
+    ASSERT_EQ(2, json_array_size(params));
+    ASSERT_TRUE(json_is_string(json_array_get(params, 0)));
+    ASSERT_STREQ("bar", json_string_value(json_array_get(params, 0)));
+    ASSERT_TRUE(json_is_integer(json_array_get(params, 1)));
+    ASSERT_EQ(42, json_integer_value(json_array_get(params, 1)));
+
+    json_t * id = json_object_get(send_context.response, "id");
+    ASSERT_TRUE(json_is_integer(id));
+
+    ASSERT_FALSE(finished_context.is_called);
+
+    wf_jsonrpc_proxy_dispose(proxy);
+    wf_timer_manager_dispose(timer_manager);
+
+    ASSERT_TRUE(finished_context.is_called);
+    ASSERT_FALSE(nullptr == finished_context.error);
+}
+
+TEST(wf_jsonrpc_proxy, invoke_calls_finish_if_send_fails)
+{
+    struct wf_timer_manager * timer_manager = wf_timer_manager_create();
+
+    SendContext send_context(false);
+    void * send_data = reinterpret_cast<void*>(&send_context);
+    struct wf_jsonrpc_proxy * proxy = wf_jsonrpc_proxy_create(timer_manager, WF_DEFAULT_TIMEOUT, &jsonrpc_send, send_data);
+
+    FinishedContext finished_context;
+    void * finished_data = reinterpret_cast<void*>(&finished_context);
+    wf_jsonrpc_proxy_invoke(proxy, &jsonrpc_finished, finished_data, "foo", "si", "bar", 42);
+
+    ASSERT_TRUE(send_context.is_called);
+    ASSERT_TRUE(json_is_object(send_context.response));
+
+    ASSERT_TRUE(finished_context.is_called);
+    ASSERT_FALSE(nullptr == finished_context.error);
+
+    wf_jsonrpc_proxy_dispose(proxy);
+    wf_timer_manager_dispose(timer_manager);
+}
+
+TEST(wf_jsonrpc_proxy, invoke_fails_if_another_request_is_pending)
+{
+    struct wf_timer_manager * timer_manager = wf_timer_manager_create();
+
+    SendContext send_context;
+    void * send_data = reinterpret_cast<void*>(&send_context);
+    struct wf_jsonrpc_proxy * proxy = wf_jsonrpc_proxy_create(timer_manager, WF_DEFAULT_TIMEOUT, &jsonrpc_send, send_data);
+
+    FinishedContext finished_context;
+    void * finished_data = reinterpret_cast<void*>(&finished_context);
+    wf_jsonrpc_proxy_invoke(proxy, &jsonrpc_finished, finished_data, "foo", "si", "bar", 42);
+
+    FinishedContext finished_context2;
+    void * finished_data2 = reinterpret_cast<void*>(&finished_context2);
+    wf_jsonrpc_proxy_invoke(proxy, &jsonrpc_finished, finished_data2, "foo", "");
+
+    ASSERT_TRUE(send_context.is_called);
+    ASSERT_TRUE(json_is_object(send_context.response));
+
+    ASSERT_FALSE(finished_context.is_called);
+
+    ASSERT_TRUE(finished_context2.is_called);
+    ASSERT_EQ(WF_BAD_BUSY, jsonrpc_get_status(finished_context2.error));
+
+    wf_jsonrpc_proxy_dispose(proxy);
+    wf_timer_manager_dispose(timer_manager);
+}
+
+TEST(wf_jsonrpc_proxy, invoke_fails_if_request_is_invalid)
+{
+    struct wf_timer_manager * timer_manager = wf_timer_manager_create();
+
+    SendContext send_context;
+    void * send_data = reinterpret_cast<void*>(&send_context);
+    struct wf_jsonrpc_proxy * proxy = wf_jsonrpc_proxy_create(timer_manager, WF_DEFAULT_TIMEOUT, &jsonrpc_send, send_data);
+
+    FinishedContext finished_context;
+    void * finished_data = reinterpret_cast<void*>(&finished_context);
+    wf_jsonrpc_proxy_invoke(proxy, &jsonrpc_finished, finished_data, "foo", "?", "error");
+
+    ASSERT_FALSE(send_context.is_called);
+
+    ASSERT_TRUE(finished_context.is_called);
+    ASSERT_EQ(WF_BAD, jsonrpc_get_status(finished_context.error));
+
+    wf_jsonrpc_proxy_dispose(proxy);
+    wf_timer_manager_dispose(timer_manager);
+}
+
+TEST(wf_jsonrpc_proxy, on_result)
+{
+    struct wf_timer_manager * timer_manager = wf_timer_manager_create();
+
+    SendContext send_context;
+    void * send_data = reinterpret_cast<void*>(&send_context);
+    struct wf_jsonrpc_proxy * proxy = wf_jsonrpc_proxy_create(timer_manager, WF_DEFAULT_TIMEOUT, &jsonrpc_send, send_data);
+
+    FinishedContext finished_context;
+    void * finished_data = reinterpret_cast<void*>(&finished_context);
+    wf_jsonrpc_proxy_invoke(proxy, &jsonrpc_finished, finished_data, "foo", "si", "bar", 42);
+
+    ASSERT_TRUE(send_context.is_called);
+    ASSERT_TRUE(json_is_object(send_context.response));
+
+    json_t * id = json_object_get(send_context.response, "id");
+    ASSERT_TRUE(json_is_number(id));
+
+    json_t * response = json_object();
+    json_object_set_new(response, "result", json_string("okay"));
+    json_object_set(response, "id", id);
+
+    wf_jsonrpc_proxy_onresult(proxy, response);
+    json_decref(response);
+
+    ASSERT_TRUE(finished_context.is_called);
+    ASSERT_EQ(nullptr, finished_context.error);
+    ASSERT_TRUE(json_is_string(finished_context.result));
+    ASSERT_STREQ("okay", json_string_value(finished_context.result));
+
+    wf_jsonrpc_proxy_dispose(proxy);
+    wf_timer_manager_dispose(timer_manager);
+}
+
+TEST(wf_jsonrpc_proxy, on_result_reject_response_with_unknown_id)
+{
+    struct wf_timer_manager * timer_manager = wf_timer_manager_create();
+
+    SendContext send_context;
+    void * send_data = reinterpret_cast<void*>(&send_context);
+    struct wf_jsonrpc_proxy * proxy = wf_jsonrpc_proxy_create(timer_manager, WF_DEFAULT_TIMEOUT, &jsonrpc_send, send_data);
+
+    FinishedContext finished_context;
+    void * finished_data = reinterpret_cast<void*>(&finished_context);
+    wf_jsonrpc_proxy_invoke(proxy, &jsonrpc_finished, finished_data, "foo", "si", "bar", 42);
+
+    ASSERT_TRUE(send_context.is_called);
+    ASSERT_TRUE(json_is_object(send_context.response));
+
+    json_t * id = json_object_get(send_context.response, "id");
+    ASSERT_TRUE(json_is_number(id));
+
+    json_t * response = json_object();
+    json_object_set_new(response, "result", json_string("okay"));
+    json_object_set_new(response, "id", json_integer(1 + json_integer_value(id)));
+
+    wf_jsonrpc_proxy_onresult(proxy, response);
+    json_decref(response);
+
+    ASSERT_FALSE(finished_context.is_called);
+
+    wf_jsonrpc_proxy_dispose(proxy);
+    wf_timer_manager_dispose(timer_manager);
+}
+
+TEST(wf_jsonrpc_proxy, timeout)
+{
+    struct wf_timer_manager * timer_manager = wf_timer_manager_create();
+
+    SendContext send_context;
+    void * send_data = reinterpret_cast<void*>(&send_context);
+    struct wf_jsonrpc_proxy * proxy = wf_jsonrpc_proxy_create(timer_manager, 0, &jsonrpc_send, send_data);
+
+    FinishedContext finished_context;
+    void * finished_data = reinterpret_cast<void*>(&finished_context);
+    wf_jsonrpc_proxy_invoke(proxy, &jsonrpc_finished, finished_data, "foo", "si", "bar", 42);
+
+    ASSERT_TRUE(send_context.is_called);
+    ASSERT_TRUE(json_is_object(send_context.response));
+
+    std::this_thread::sleep_for(10ms);
+    wf_timer_manager_check(timer_manager);
+
+    ASSERT_TRUE(finished_context.is_called);
+    ASSERT_EQ(WF_BAD_TIMEOUT, jsonrpc_get_status(finished_context.error));
+
+    wf_jsonrpc_proxy_dispose(proxy);
+    wf_timer_manager_dispose(timer_manager);
+}
+
+TEST(wf_jsonrpc_proxy, cleanup_pending_request)
+{
+    struct wf_timer_manager * timer_manager = wf_timer_manager_create();
+
+    SendContext send_context;
+    void * send_data = reinterpret_cast<void*>(&send_context);
+    struct wf_jsonrpc_proxy * proxy = wf_jsonrpc_proxy_create(timer_manager, 10, &jsonrpc_send, send_data);
+
+    FinishedContext finished_context;
+    void * finished_data = reinterpret_cast<void*>(&finished_context);
+    wf_jsonrpc_proxy_invoke(proxy, &jsonrpc_finished, finished_data, "foo", "si", "bar", 42);
+
+    ASSERT_TRUE(send_context.is_called);
+    ASSERT_TRUE(json_is_object(send_context.response));
+
+    ASSERT_FALSE(finished_context.is_called);
+
+    wf_jsonrpc_proxy_dispose(proxy);
+
+    ASSERT_TRUE(finished_context.is_called);
+
+    wf_timer_manager_dispose(timer_manager);
+}
+
+
+
+TEST(wf_jsonrpc_proxy, notify)
+{
+    struct wf_timer_manager * timer_manager = wf_timer_manager_create();
+
+    SendContext send_context;
+    void * send_data = reinterpret_cast<void*>(&send_context);
+    struct wf_jsonrpc_proxy * proxy = wf_jsonrpc_proxy_create(timer_manager, WF_DEFAULT_TIMEOUT, &jsonrpc_send, send_data);
+
+    wf_jsonrpc_proxy_notify(proxy, "foo", "si", "bar", 42);
+
+    ASSERT_TRUE(send_context.is_called);
+    ASSERT_TRUE(json_is_object(send_context.response));
+
+    json_t * method = json_object_get(send_context.response, "method");
+    ASSERT_TRUE(json_is_string(method));
+    ASSERT_STREQ("foo", json_string_value(method));
+
+    json_t * params = json_object_get(send_context.response, "params");
+    ASSERT_TRUE(json_is_array(params));
+    ASSERT_EQ(2, json_array_size(params));
+    ASSERT_TRUE(json_is_string(json_array_get(params, 0)));
+    ASSERT_STREQ("bar", json_string_value(json_array_get(params, 0)));
+    ASSERT_TRUE(json_is_integer(json_array_get(params, 1)));
+    ASSERT_EQ(42, json_integer_value(json_array_get(params, 1)));
+
+    json_t * id = json_object_get(send_context.response, "id");
+    ASSERT_EQ(nullptr, id);
+
+    wf_jsonrpc_proxy_dispose(proxy);
+    wf_timer_manager_dispose(timer_manager);
+}
+
+TEST(wf_jsonrpc_proxy, notify_dont_send_invalid_request)
+{
+    struct wf_timer_manager * timer_manager = wf_timer_manager_create();
+
+    SendContext send_context;
+    void * send_data = reinterpret_cast<void*>(&send_context);
+    struct wf_jsonrpc_proxy * proxy = wf_jsonrpc_proxy_create(timer_manager, WF_DEFAULT_TIMEOUT, &jsonrpc_send, send_data);
+
+    wf_jsonrpc_proxy_notify(proxy, "foo", "?");
+
+    ASSERT_FALSE(send_context.is_called);
+
+    wf_jsonrpc_proxy_dispose(proxy);
+    wf_timer_manager_dispose(timer_manager);
+}
+
+TEST(wf_jsonrpc_proxy, swallow_timeout_if_no_request_pending)
+{
+    MockTimer timer_api;
+
+    wf_timer_on_timer_fn * on_timer = nullptr;
+    void * timer_context = nullptr;
+    EXPECT_CALL(timer_api, wf_timer_create(_, _, _))
+        .Times(1)
+        .WillOnce(DoAll(SaveArg<1>(&on_timer), SaveArg<2>(&timer_context), Return(nullptr)));
+    EXPECT_CALL(timer_api, wf_timer_dispose(_)).Times(1);
+
+    SendContext send_context;
+    void * send_data = reinterpret_cast<void*>(&send_context);
+    struct wf_jsonrpc_proxy * proxy = wf_jsonrpc_proxy_create(nullptr, 1, &jsonrpc_send, send_data);
+
+    on_timer(nullptr, timer_context);
+    ASSERT_FALSE(send_context.is_called);
+
+
+    wf_jsonrpc_proxy_dispose(proxy);
+}
+
+TEST(wf_jsonrpc_proxy, on_result_swallow_if_no_request_pending)
+{
+    struct wf_timer_manager * timer_manager = wf_timer_manager_create();
+
+    SendContext send_context;
+    void * send_data = reinterpret_cast<void*>(&send_context);
+    struct wf_jsonrpc_proxy * proxy = wf_jsonrpc_proxy_create(timer_manager, WF_DEFAULT_TIMEOUT, &jsonrpc_send, send_data);
+
+    json_t * response = json_object();
+    json_object_set_new(response, "result", json_string("okay"));
+    json_object_set_new(response, "id", json_integer(42));
+
+    wf_jsonrpc_proxy_onresult(proxy, response);
+    json_decref(response);
+
+    wf_jsonrpc_proxy_dispose(proxy);
+    wf_timer_manager_dispose(timer_manager);
+}
+

test/webfuse_provider/tests/core/jsonrpc/test_request.cc

@@ -0,0 +1,138 @@
+#include <gtest/gtest.h>
+#include "webfuse_provider/impl/jsonrpc/request.h"
+#include "webfuse_provider/status.h"
+
+namespace
+{
+
+struct Context
+{
+    json_t * response;
+};
+
+bool jsonrpc_send(
+	json_t * request,
+    void * user_data)
+{
+   Context * context = reinterpret_cast<Context*>(user_data);
+   context->response = request;
+   json_incref(request);
+
+   return true;
+}
+
+}
+
+TEST(wf_jsonrpc_request, create_dispose)
+{
+    Context context{nullptr};
+    void * user_data = reinterpret_cast<void*>(&context);
+
+    struct  wf_jsonrpc_request * request = 
+            wf_jsonrpc_request_create(42, &jsonrpc_send, user_data);
+
+    ASSERT_NE(nullptr, request);
+    ASSERT_EQ(user_data, wf_jsonrpc_request_get_userdata(request));
+
+    wf_jsonrpc_request_dispose(request);
+}
+
+TEST(wf_jsonrpc_request, respond)
+{
+    Context context{nullptr};
+    void * user_data = reinterpret_cast<void*>(&context);
+
+    struct  wf_jsonrpc_request * request = 
+            wf_jsonrpc_request_create(42, &jsonrpc_send, user_data);
+
+    wf_jsonrpc_respond(request, json_string("okay"));
+
+    ASSERT_NE(nullptr, context.response);
+
+
+    json_t * response = reinterpret_cast<json_t*>(context.response);
+    ASSERT_TRUE(json_is_object(response));
+    
+    json_t * id = json_object_get(response, "id");
+    ASSERT_TRUE(json_is_integer(id));
+    ASSERT_EQ(42, json_integer_value(id));
+
+    json_t * result = json_object_get(response, "result");
+    ASSERT_TRUE(json_is_string(result));
+    ASSERT_STREQ("okay", json_string_value(result));
+
+    ASSERT_EQ(nullptr, json_object_get(response, "error"));
+
+    json_decref(response);
+}
+
+TEST(wf_jsonrpc_request, respond_error)
+{
+    Context context{nullptr};
+    void * user_data = reinterpret_cast<void*>(&context);
+
+    struct  wf_jsonrpc_request * request = 
+            wf_jsonrpc_request_create(42, &jsonrpc_send, user_data);
+
+    wf_jsonrpc_respond_error(request, WF_BAD, "Bad");
+
+    ASSERT_NE(nullptr, context.response);
+
+
+    json_t * response = reinterpret_cast<json_t*>(context.response);
+    ASSERT_TRUE(json_is_object(response));
+    
+    json_t * id = json_object_get(response, "id");
+    ASSERT_TRUE(json_is_integer(id));
+    ASSERT_EQ(42, json_integer_value(id));
+
+    ASSERT_EQ(nullptr, json_object_get(response, "result"));
+
+    json_t * err = json_object_get(response, "error");
+    ASSERT_TRUE(json_is_object(err));
+
+    json_t * err_code = json_object_get(err, "code");
+    ASSERT_TRUE(json_is_integer(err_code));
+    ASSERT_EQ(WF_BAD, json_integer_value(err_code));
+
+    json_t * err_message = json_object_get(err, "message");
+    ASSERT_TRUE(json_is_string(err_message));
+    ASSERT_STREQ("Bad", json_string_value(err_message));
+
+    json_decref(response);
+}
+
+TEST(wf_jsonrpc_request, is_request_object_params)
+{
+    json_t * request = json_object();
+    json_object_set_new(request, "method", json_string("some_method"));
+    json_object_set_new(request, "params", json_object());
+    json_object_set_new(request, "id", json_integer(42));
+
+    ASSERT_TRUE(wf_jsonrpc_is_request(request));
+
+    json_decref(request);
+}
+
+TEST(wf_jsonrpc_request, is_request_fail_missing_params)
+{
+    json_t * request = json_object();
+    json_object_set_new(request, "method", json_string("some_method"));
+    json_object_set_new(request, "id", json_integer(42));
+
+    ASSERT_FALSE(wf_jsonrpc_is_request(request));
+
+    json_decref(request);
+}
+
+TEST(wf_jsonrpc_request, is_request_fail_params_wrong_type)
+{
+    json_t * request = json_object();
+    json_object_set_new(request, "method", json_string("some_method"));
+    json_object_set_new(request, "params", json_string("invalid_params"));
+    json_object_set_new(request, "id", json_integer(42));
+
+    ASSERT_FALSE(wf_jsonrpc_is_request(request));
+
+    json_decref(request);
+}

test/webfuse_provider/tests/core/jsonrpc/test_response.cc

@@ -0,0 +1,147 @@
+#include <gtest/gtest.h>
+#include "webfuse_provider/impl/jsonrpc/response_intern.h"
+#include "webfuse_provider/status.h"
+
+TEST(wf_json_response, init_result)
+{
+    json_t * message = json_object();
+    json_object_set_new(message, "result", json_integer(47));
+    json_object_set_new(message, "id", json_integer(11));
+
+    struct wf_jsonrpc_response response;
+    wf_jsonrpc_response_init(&response, message);
+
+    ASSERT_EQ(nullptr, response.error);
+    ASSERT_TRUE(json_is_integer(response.result));
+    ASSERT_EQ(47, json_integer_value(response.result));
+    ASSERT_EQ(11, response.id);
+
+    wf_jsonrpc_response_cleanup(&response);
+    json_decref(message);
+}
+
+TEST(wf_json_response, init_error)
+{
+    json_t * message = json_object();
+    json_t * err = json_object();
+    json_object_set_new(err, "code", json_integer(42));
+    json_object_set_new(err, "message", json_string("Don't Panic!"));
+    json_object_set_new(message, "error", err);
+    json_object_set_new(message, "id", json_integer(23));
+
+    struct wf_jsonrpc_response response;
+    wf_jsonrpc_response_init(&response, message);
+
+    ASSERT_EQ(42, json_integer_value(json_object_get(response.error, "code")));
+    ASSERT_STREQ("Don't Panic!", json_string_value(json_object_get(response.error, "message")));
+    ASSERT_EQ(nullptr, response.result);
+    ASSERT_EQ(23, response.id);
+
+    wf_jsonrpc_response_cleanup(&response);
+    json_decref(message);
+}
+
+TEST(wf_json_response, init_fail_missing_result_and_error)
+{
+    json_t * message = json_object();
+    json_object_set_new(message, "id", json_integer(12));
+
+    struct wf_jsonrpc_response response;
+    wf_jsonrpc_response_init(&response, message);
+
+    ASSERT_EQ(WF_BAD_FORMAT, json_integer_value(json_object_get(response.error, "code")));
+    ASSERT_EQ(nullptr, response.result);
+    ASSERT_EQ(12, response.id);
+
+    wf_jsonrpc_response_cleanup(&response);
+    json_decref(message);
+}
+
+TEST(wf_json_response, init_fail_missing_id)
+{
+    json_t * message = json_object();
+    json_object_set_new(message, "result", json_integer(47));
+
+    struct wf_jsonrpc_response response;
+    wf_jsonrpc_response_init(&response, message);
+
+    ASSERT_EQ(WF_BAD_FORMAT, json_integer_value(json_object_get(response.error, "code")));
+    ASSERT_EQ(nullptr, response.result);
+    ASSERT_EQ(-1, response.id);
+
+    wf_jsonrpc_response_cleanup(&response);
+    json_decref(message);
+}
+
+TEST(wf_json_response, init_fail_wrong_id_type)
+{
+    json_t * message = json_object();
+    json_object_set_new(message, "result", json_integer(47));
+    json_object_set_new(message, "id", json_string("42"));
+
+    struct wf_jsonrpc_response response;
+    wf_jsonrpc_response_init(&response, message);
+
+    ASSERT_EQ(WF_BAD_FORMAT, json_integer_value(json_object_get(response.error, "code")));
+    ASSERT_EQ(nullptr, response.result);
+    ASSERT_EQ(-1, response.id);
+
+    wf_jsonrpc_response_cleanup(&response);
+    json_decref(message);
+}
+
+TEST(wf_json_response, init_fail_error_missing_code)
+{
+    json_t * message = json_object();
+    json_t * err = json_object();
+    json_object_set_new(err, "message", json_string("Don't Panic!"));
+    json_object_set_new(message, "error", err);
+    json_object_set_new(message, "id", json_integer(23));
+
+    struct wf_jsonrpc_response response;
+    wf_jsonrpc_response_init(&response, message);
+
+    ASSERT_EQ(WF_BAD_FORMAT, json_integer_value(json_object_get(response.error, "code")));
+    ASSERT_EQ(nullptr, response.result);
+    ASSERT_EQ(23, response.id);
+
+    wf_jsonrpc_response_cleanup(&response);
+    json_decref(message);
+}
+
+TEST(wf_json_response, init_fail_error_wrong_code_type)
+{
+    json_t * message = json_object();
+    json_t * err = json_object();
+    json_object_set_new(err, "code", json_string("42"));
+    json_object_set_new(err, "message", json_string("Don't Panic!"));
+    json_object_set_new(message, "error", err);
+    json_object_set_new(message, "id", json_integer(23));
+
+    struct wf_jsonrpc_response response;
+    wf_jsonrpc_response_init(&response, message);
+
+    ASSERT_EQ(WF_BAD_FORMAT, json_integer_value(json_object_get(response.error, "code")));
+    ASSERT_EQ(nullptr, response.result);
+    ASSERT_EQ(23, response.id);
+
+    wf_jsonrpc_response_cleanup(&response);
+    json_decref(message);
+}
+
+TEST(wf_json_response, init_fail_error_wrong_type)
+{
+    json_t * message = json_object();
+    json_object_set_new(message, "error", json_string("invalid error type"));
+    json_object_set_new(message, "id", json_integer(23));
+
+    struct wf_jsonrpc_response response;
+    wf_jsonrpc_response_init(&response, message);
+
+    ASSERT_EQ(WF_BAD_FORMAT, json_integer_value(json_object_get(response.error, "code")));
+    ASSERT_EQ(nullptr, response.result);
+    ASSERT_EQ(23, response.id);
+
+    wf_jsonrpc_response_cleanup(&response);
+    json_decref(message);
+}

test/webfuse_provider/tests/core/jsonrpc/test_response_parser.cc

@@ -0,0 +1,58 @@
+#include <string>
+#include <gtest/gtest.h>
+
+#include "webfuse_provider/impl/jsonrpc/response_intern.h"
+
+
+static void response_parse_str(
+	std::string const & buffer,
+	struct wf_jsonrpc_response * response)
+{
+	json_t * message = json_loadb(buffer.c_str(), buffer.size(), 0, nullptr);
+	if (nullptr != message)
+	{
+		wf_jsonrpc_response_init(response, message);
+		json_decref(message);
+	}
+}
+
+TEST(response_parser, test)
+{
+	struct wf_jsonrpc_response response;
+
+	// no object
+	response_parse_str("[]", &response);
+	ASSERT_NE(nullptr, response.error);
+	ASSERT_EQ(-1, response.id);
+	ASSERT_EQ(nullptr, response.result);
+	wf_jsonrpc_response_cleanup(&response);
+
+	// empty
+	response_parse_str("{}", &response);
+	ASSERT_NE(nullptr, response.error);
+	ASSERT_EQ(-1, response.id);
+	ASSERT_EQ(nullptr, response.result);
+	wf_jsonrpc_response_cleanup(&response);
+
+	// no data
+	response_parse_str("{\"id\":42}", &response);
+	ASSERT_NE(nullptr, response.error);
+	ASSERT_EQ(42, response.id);
+	ASSERT_EQ(nullptr, response.result);
+	wf_jsonrpc_response_cleanup(&response);
+
+	// custom error code
+	response_parse_str("{\"error\":{\"code\": 42}, \"id\": 42}", &response);
+	ASSERT_NE(nullptr, response.error);
+	ASSERT_EQ(42, json_integer_value(json_object_get(response.error, "code")));
+	ASSERT_EQ(42, response.id);
+	ASSERT_EQ(nullptr, response.result);
+	wf_jsonrpc_response_cleanup(&response);
+
+	// valid response
+	response_parse_str("{\"result\": true, \"id\": 42}", &response);
+	ASSERT_EQ(nullptr, response.error);
+	ASSERT_EQ(42, response.id);
+	ASSERT_NE(nullptr, response.result);
+	wf_jsonrpc_response_cleanup(&response);
+}

test/webfuse_provider/tests/core/jsonrpc/test_server.cc

@@ -0,0 +1,241 @@
+#include <gtest/gtest.h>
+#include "webfuse_provider/impl/jsonrpc/server.h"
+#include "webfuse_provider/impl/jsonrpc/request.h"
+#include "webfuse_provider/status.h"
+
+namespace
+{
+    struct Context
+    {
+        json_t * response;
+        bool is_called;
+    };
+
+    bool jsonrpc_send(
+	    json_t * request,
+        void * user_data)
+    {
+        Context * context = reinterpret_cast<Context*>(user_data);
+        context->is_called = true;
+        context->response = request;
+        json_incref(request);
+
+        return true;
+    }
+
+    void sayHello(
+        struct wf_jsonrpc_request * request,
+        char const * method_name,
+        json_t * params,
+        void * user_data)
+    {
+        (void) method_name;
+        (void) params;
+        (void) user_data;
+
+        json_t * result = json_string("Hello");
+        wf_jsonrpc_respond(request, result);
+    }
+
+}
+
+TEST(wf_jsonrpc_server, process_request)
+{
+    struct wf_jsonrpc_server * server = wf_jsonrpc_server_create();
+    wf_jsonrpc_server_add(server, "sayHello", &sayHello, nullptr);
+
+    Context context{nullptr, false};
+    void * user_data = reinterpret_cast<void*>(&context);
+    json_t * request = json_object();
+    json_object_set_new(request, "method", json_string("sayHello"));
+    json_object_set_new(request, "params", json_array());
+    json_object_set_new(request, "id", json_integer(23));   
+    wf_jsonrpc_server_process(server, request, &jsonrpc_send, user_data);
+
+    ASSERT_TRUE(context.is_called);
+    ASSERT_NE(nullptr, context.response);
+    ASSERT_TRUE(json_is_object(context.response));
+
+    json_t * id = json_object_get(context.response, "id");
+    ASSERT_TRUE(json_is_integer(id));
+    ASSERT_EQ(23, json_integer_value(id));
+
+    json_t * result = json_object_get(context.response, "result");
+    ASSERT_TRUE(json_is_string(result));
+    ASSERT_STREQ("Hello", json_string_value(result));
+
+    json_decref(context.response);
+    json_decref(request);
+    wf_jsonrpc_server_dispose(server); 
+}
+
+TEST(wf_jsonrpc_server, process_request_with_oject_params)
+{
+    struct wf_jsonrpc_server * server = wf_jsonrpc_server_create();
+    wf_jsonrpc_server_add(server, "sayHello", &sayHello, nullptr);
+
+    Context context{nullptr, false};
+    void * user_data = reinterpret_cast<void*>(&context);
+    json_t * request = json_object();
+    json_object_set_new(request, "method", json_string("sayHello"));
+    json_object_set_new(request, "params", json_object());
+    json_object_set_new(request, "id", json_integer(23));   
+    wf_jsonrpc_server_process(server, request, &jsonrpc_send, user_data);
+
+    ASSERT_TRUE(context.is_called);
+    ASSERT_NE(nullptr, context.response);
+    ASSERT_TRUE(json_is_object(context.response));
+
+    json_t * id = json_object_get(context.response, "id");
+    ASSERT_TRUE(json_is_integer(id));
+    ASSERT_EQ(23, json_integer_value(id));
+
+    json_t * result = json_object_get(context.response, "result");
+    ASSERT_TRUE(json_is_string(result));
+    ASSERT_STREQ("Hello", json_string_value(result));
+
+    json_decref(context.response);
+    json_decref(request);
+    wf_jsonrpc_server_dispose(server); 
+}
+
+TEST(wf_jsonrpc_server, invoke_unknown_method)
+{
+    struct wf_jsonrpc_server * server = wf_jsonrpc_server_create();
+    wf_jsonrpc_server_add(server, "sayHello", &sayHello, nullptr);
+
+    Context context{nullptr, false};
+    void * user_data = reinterpret_cast<void*>(&context);
+    json_t * request = json_object();
+    json_object_set_new(request, "method", json_string("greet"));
+    json_object_set_new(request, "params", json_array());
+    json_object_set_new(request, "id", json_integer(42));   
+    wf_jsonrpc_server_process(server, request, &jsonrpc_send, user_data);
+
+    ASSERT_TRUE(context.is_called);
+    ASSERT_NE(nullptr, context.response);
+    ASSERT_TRUE(json_is_object(context.response));
+
+    json_t * id = json_object_get(context.response, "id");
+    ASSERT_TRUE(json_is_integer(id));
+    ASSERT_EQ(42, json_integer_value(id));
+
+    json_t * err = json_object_get(context.response, "error");
+    ASSERT_TRUE(json_is_object(err));
+
+    json_t * err_code = json_object_get(err, "code");
+    ASSERT_TRUE(json_is_integer(err_code));
+    ASSERT_EQ(WF_BAD_NOTIMPLEMENTED, json_integer_value(err_code));
+
+    json_t * err_message = json_object_get(err, "message");
+    ASSERT_TRUE(json_is_string(err_message));
+
+    json_decref(context.response);
+    json_decref(request);
+    wf_jsonrpc_server_dispose(server); 
+}
+
+TEST(wf_jsonrpc_server, skip_invalid_request_missing_id)
+{
+    struct wf_jsonrpc_server * server = wf_jsonrpc_server_create();
+
+    Context context{nullptr, false};
+    void * user_data = reinterpret_cast<void*>(&context);
+    json_t * request = json_object();
+    json_object_set_new(request, "method", json_string("sayHello"));
+    json_object_set_new(request, "params", json_array());
+    wf_jsonrpc_server_process(server, request, &jsonrpc_send, user_data);
+
+    ASSERT_FALSE(context.is_called);
+
+    json_decref(request);
+    wf_jsonrpc_server_dispose(server); 
+}
+
+TEST(wf_jsonrpc_server, skip_invalid_request_wrong_id_type)
+{
+    struct wf_jsonrpc_server * server = wf_jsonrpc_server_create();
+
+    Context context{nullptr, false};
+    void * user_data = reinterpret_cast<void*>(&context);
+    json_t * request = json_object();
+    json_object_set_new(request, "method", json_string("sayHello"));
+    json_object_set_new(request, "params", json_array());
+    json_object_set_new(request, "id", json_string("42"));   
+    wf_jsonrpc_server_process(server, request, &jsonrpc_send, user_data);
+
+    ASSERT_FALSE(context.is_called);
+
+    json_decref(request);
+    wf_jsonrpc_server_dispose(server); 
+}
+
+TEST(wf_jsonrpc_server, skip_invalid_request_missing_params)
+{
+    struct wf_jsonrpc_server * server = wf_jsonrpc_server_create();
+
+    Context context{nullptr, false};
+    void * user_data = reinterpret_cast<void*>(&context);
+    json_t * request = json_object();
+    json_object_set_new(request, "method", json_string("sayHello"));
+    json_object_set_new(request, "id", json_integer(42));   
+    wf_jsonrpc_server_process(server, request, &jsonrpc_send, user_data);
+
+    ASSERT_FALSE(context.is_called);
+
+    json_decref(request);
+    wf_jsonrpc_server_dispose(server); 
+}
+
+TEST(wf_jsonrpc_server, skip_invalid_request_wrong_params_type)
+{
+    struct wf_jsonrpc_server * server = wf_jsonrpc_server_create();
+
+    Context context{nullptr, false};
+    void * user_data = reinterpret_cast<void*>(&context);
+    json_t * request = json_object();
+    json_object_set_new(request, "method", json_string("sayHello"));
+    json_object_set_new(request, "params", json_string("invalid"));
+    json_object_set_new(request, "id", json_integer(42));   
+    wf_jsonrpc_server_process(server, request, &jsonrpc_send, user_data);
+
+    ASSERT_FALSE(context.is_called);
+
+    json_decref(request);
+    wf_jsonrpc_server_dispose(server); 
+}
+
+TEST(wf_jsonrpc_server, skip_invalid_request_missing_method)
+{
+    struct wf_jsonrpc_server * server = wf_jsonrpc_server_create();
+
+    Context context{nullptr, false};
+    void * user_data = reinterpret_cast<void*>(&context);
+    json_t * request = json_object();
+    json_object_set_new(request, "params", json_array());
+    json_object_set_new(request, "id", json_integer(42));   
+    wf_jsonrpc_server_process(server, request, &jsonrpc_send, user_data);
+
+    ASSERT_FALSE(context.is_called);
+
+    json_decref(request);
+    wf_jsonrpc_server_dispose(server); 
+}
+
+TEST(wf_jsonrpc_server, skip_invalid_request_wront_method_type)
+{
+    struct wf_jsonrpc_server * server = wf_jsonrpc_server_create();
+
+    Context context{nullptr, false};
+    void * user_data = reinterpret_cast<void*>(&context);
+    json_t * request = json_object();
+    json_object_set_new(request, "method", json_integer(42));
+    json_object_set_new(request, "params", json_array());
+    json_object_set_new(request, "id", json_integer(42));   
+    wf_jsonrpc_server_process(server, request, &jsonrpc_send, user_data);
+
+    ASSERT_FALSE(context.is_called);
+
+    json_decref(request);
+    wf_jsonrpc_server_dispose(server); 
+}

test/webfuse_provider/tests/core/test_base64.cc

@@ -0,0 +1,122 @@
+#include <gtest/gtest.h>
+#include "webfuse_provider/impl/base64.h"
+
+TEST(Base64, EncodedSize)
+{
+    ASSERT_EQ(4, wf_base64_encoded_size(1));
+    ASSERT_EQ(4, wf_base64_encoded_size(2));
+    ASSERT_EQ(4, wf_base64_encoded_size(3));
+
+    ASSERT_EQ(8, wf_base64_encoded_size(4));
+    ASSERT_EQ(8, wf_base64_encoded_size(5));
+    ASSERT_EQ(8, wf_base64_encoded_size(6));
+
+    ASSERT_EQ(120, wf_base64_encoded_size(90));
+}
+
+TEST(Base64, Encode)
+{
+    char buffer[42];
+
+    std::string in = "Hello";
+    size_t length = wf_base64_encode((uint8_t const*) in.c_str(), in.size(), buffer, 42);
+    ASSERT_EQ(8, length);
+    ASSERT_STREQ("SGVsbG8=", buffer);
+
+    in = "Hello\n";
+    length = wf_base64_encode((uint8_t const*) in.c_str(), in.size(), buffer, 42);
+    ASSERT_EQ(8, length);
+    ASSERT_STREQ("SGVsbG8K", buffer);
+
+    in = "Blue";
+    length = wf_base64_encode((uint8_t const*) in.c_str(), in.size(), buffer, 42);
+    ASSERT_EQ(8, length);
+    ASSERT_STREQ("Qmx1ZQ==", buffer);
+}
+
+TEST(Base64, FailedToEncodeBufferTooSmall)
+{
+    char buffer[1];
+
+    std::string in = "Hello";
+    size_t length = wf_base64_encode((uint8_t const*) in.c_str(), in.size(), buffer, 1);
+    ASSERT_EQ(0, length);
+}
+
+TEST(Base64, DecodedSize)
+{
+    std::string in = "SGVsbG8=";    // Hello
+    size_t length = wf_base64_decoded_size(in.c_str(), in.size());
+    ASSERT_EQ(5, length);
+
+    in = "SGVsbG8K";    // Hello\n
+    length = wf_base64_decoded_size(in.c_str(), in.size());
+    ASSERT_EQ(6, length);
+
+    in = "Qmx1ZQ==";    // Blue
+    length = wf_base64_decoded_size(in.c_str(), in.size());
+    ASSERT_EQ(4, length);
+}
+
+TEST(Base64, IsValid)
+{
+    std::string in = "SGVsbG8=";    // Hello
+    ASSERT_TRUE(wf_base64_isvalid(in.c_str(), in.size()));
+
+    in = "SGVsbG8K";    // Hello\n
+    ASSERT_TRUE(wf_base64_isvalid(in.c_str(), in.size()));
+
+    in = "Qmx1ZQ==";    // Blue
+    ASSERT_TRUE(wf_base64_isvalid(in.c_str(), in.size()));
+
+    in = "Qmx1ZQ=a";
+    ASSERT_FALSE(wf_base64_isvalid(in.c_str(), in.size()));
+
+    in = "Qmx1ZQ";
+    ASSERT_FALSE(wf_base64_isvalid(in.c_str(), in.size()));
+
+    in = "Qmx1ZQ=";
+    ASSERT_FALSE(wf_base64_isvalid(in.c_str(), in.size()));
+
+    in = "Qmx1Z===";
+    ASSERT_FALSE(wf_base64_isvalid(in.c_str(), in.size()));
+
+    in = "Qmx1ZQ?=";
+    ASSERT_FALSE(wf_base64_isvalid(in.c_str(), in.size()));
+
+    in = "Qm?1ZQ==";
+    ASSERT_FALSE(wf_base64_isvalid(in.c_str(), in.size()));
+}
+
+TEST(Base64, Decode)
+{
+    char buffer[42];
+
+    std::string in = "SGVsbG8=";    // Hello
+    size_t length = wf_base64_decode(in.c_str(), in.size(), (uint8_t*) buffer, 42);
+    ASSERT_EQ(5, length);
+    buffer[length] = '\0';
+    ASSERT_STREQ("Hello", buffer);
+
+    in = "SGVsbG8K";    // Hello\n
+    length = wf_base64_decode(in.c_str(), in.size(), (uint8_t*) buffer, 42);
+    ASSERT_EQ(6, length);
+    buffer[length] = '\0';
+    ASSERT_STREQ("Hello\n", buffer);
+
+    in = "Qmx1ZQ==";    // Blue
+    length = wf_base64_decode(in.c_str(), in.size(), (uint8_t*) buffer, 42);
+    ASSERT_EQ(4, length);
+    buffer[length] = '\0';
+    ASSERT_STREQ("Blue", buffer);
+}
+
+TEST(Base64, FailToDecodeBufferTooSmall)
+{
+    char buffer[1];
+
+    std::string in = "SGVsbG8=";    // Hello
+    size_t length = wf_base64_decode(in.c_str(), in.size(), (uint8_t*) buffer, 1);
+    ASSERT_EQ(0, length);
+}
+

test/webfuse_provider/tests/core/test_container_of.cc

@@ -0,0 +1,29 @@
+#include <gtest/gtest.h>
+#include "webfuse_provider/impl/container_of.h"
+
+namespace
+{
+
+struct MyStruct
+{
+    int first;
+    int second;
+};
+
+}
+
+TEST(ContainerOf, FirstMember)
+{
+    MyStruct my_struct = {23, 42};
+
+    int * first = &my_struct.first;
+    ASSERT_EQ(&my_struct, wf_container_of(first, MyStruct, first));
+}
+
+TEST(ContainerOf, SecondMember)
+{
+    MyStruct my_struct = {23, 42};
+
+    int * second = &my_struct.second;
+    ASSERT_EQ(&my_struct, wf_container_of(second, MyStruct, second));
+}

test/webfuse_provider/tests/core/test_message.cc

@@ -0,0 +1,22 @@
+#include <gtest/gtest.h>
+#include <cstring>
+#include "webfuse_provider/impl/message.h"
+
+TEST(wf_message, create)
+{
+    json_t * value = json_object();
+    
+    struct wf_message * message = wf_message_create(value);
+    ASSERT_NE(nullptr, message);
+    ASSERT_EQ(2, message->length);
+    ASSERT_TRUE(0 == strncmp("{}", message->data, 2));
+
+    wf_message_dispose(message);
+    json_decref(value);
+}
+
+TEST(wf_message, fail_to_create)
+{
+    struct wf_message * message = wf_message_create(nullptr);
+    ASSERT_EQ(nullptr, message);
+}

test/webfuse_provider/tests/core/test_message_queue.cc

@@ -0,0 +1,52 @@
+#include <gtest/gtest.h>
+#include "webfuse_provider/impl/message_queue.h"
+#include "webfuse_provider/impl/message.h"
+#include "webfuse_provider/impl/slist.h"
+
+namespace
+{
+
+    struct wf_slist_item * create_message(char const * content)
+    {
+        json_t * value = json_object();
+        json_object_set_new(value, "content", json_string(content));
+        struct wf_message * message = wf_message_create(value);
+
+        json_decref(value);
+        return &message->item;
+    }
+
+}
+
+TEST(wf_message_queue, cleanup_empty_list)
+{
+    struct wf_slist queue;
+    wf_slist_init(&queue);
+
+    wf_message_queue_cleanup(&queue);
+    ASSERT_TRUE(wf_slist_empty(&queue));
+}
+
+TEST(wf_message_queue, cleanup_one_element)
+{
+    struct wf_slist queue;
+    wf_slist_init(&queue);
+
+    wf_slist_append(&queue, create_message("Hello"));
+
+    wf_message_queue_cleanup(&queue);
+    ASSERT_TRUE(wf_slist_empty(&queue));
+}
+
+TEST(wf_message_queue, cleanup_multiple_element)
+{
+    struct wf_slist queue;
+    wf_slist_init(&queue);
+
+    wf_slist_append(&queue, create_message("Hello"));
+    wf_slist_append(&queue, create_message("World"));
+    wf_slist_append(&queue, create_message("!"));
+
+    wf_message_queue_cleanup(&queue);
+    ASSERT_TRUE(wf_slist_empty(&queue));
+}

test/webfuse_provider/tests/core/test_slist.cc

@@ -0,0 +1,139 @@
+#include <gtest/gtest.h>
+#include "webfuse_provider/impl/slist.h"
+
+TEST(wf_slist, init)
+{
+    struct wf_slist list;
+    wf_slist_init(&list);
+
+    ASSERT_EQ(nullptr, list.head.next);
+    ASSERT_EQ(nullptr, list.last->next);
+    ASSERT_EQ(&list.head, list.last);
+    ASSERT_TRUE(wf_slist_empty(&list));
+    ASSERT_EQ(nullptr, wf_slist_first(&list));    
+}
+
+TEST(wf_slist, append)
+{
+    struct wf_slist list;
+    struct wf_slist_item item[3];
+
+    wf_slist_init(&list);
+    ASSERT_TRUE(wf_slist_empty(&list));
+
+    wf_slist_append(&list, &item[0]);
+    ASSERT_NE(&list.head, list.last);
+    ASSERT_FALSE(wf_slist_empty(&list));
+    ASSERT_EQ(&item[0], wf_slist_first(&list));    
+    ASSERT_EQ(&item[0], list.head.next);
+    ASSERT_EQ(&item[0], list.last);
+    ASSERT_EQ(nullptr, list.last->next);
+    ASSERT_EQ(nullptr, item[0].next);
+
+    wf_slist_append(&list, &item[1]);
+    ASSERT_NE(&list.head, list.last);
+    ASSERT_FALSE(wf_slist_empty(&list));
+    ASSERT_EQ(&item[0], wf_slist_first(&list));    
+    ASSERT_EQ(&item[0], list.head.next);
+    ASSERT_EQ(&item[1], list.last);
+    ASSERT_EQ(nullptr, list.last->next);
+    ASSERT_EQ(&item[1], item[0].next);
+    ASSERT_EQ(nullptr, item[1].next);
+
+    wf_slist_append(&list, &item[2]);
+    ASSERT_NE(&list.head, list.last);
+    ASSERT_FALSE(wf_slist_empty(&list));
+    ASSERT_EQ(&item[0], wf_slist_first(&list));    
+    ASSERT_EQ(&item[0], list.head.next);
+    ASSERT_EQ(&item[2], list.last);
+    ASSERT_EQ(nullptr, list.last->next);
+    ASSERT_EQ(&item[1], item[0].next);
+    ASSERT_EQ(&item[2], item[1].next);
+    ASSERT_EQ(nullptr, item[2].next);
+}
+
+TEST(wf_slist_remove_after, remove_first)
+{
+    struct wf_slist list;
+    struct wf_slist_item item[3];
+
+    wf_slist_init(&list);
+    wf_slist_append(&list, &item[0]);
+    wf_slist_append(&list, &item[1]);
+    wf_slist_append(&list, &item[2]);
+
+    wf_slist_item * removed;
+    
+    removed = wf_slist_remove_first(&list);
+    ASSERT_FALSE(wf_slist_empty(&list));
+    ASSERT_EQ(&item[0], removed);
+
+    removed = wf_slist_remove_first(&list);
+    ASSERT_FALSE(wf_slist_empty(&list));
+    ASSERT_EQ(&item[1], removed);
+
+    removed = wf_slist_remove_first(&list);
+    ASSERT_TRUE(wf_slist_empty(&list));
+    ASSERT_EQ(&item[2], removed);
+
+    ASSERT_EQ(nullptr, list.head.next);
+    ASSERT_EQ(nullptr, list.last->next);
+    ASSERT_EQ(&list.head, list.last);
+    ASSERT_EQ(nullptr, wf_slist_first(&list));    
+}
+
+TEST(wf_slist_remove_after, remove_last)
+{
+    struct wf_slist list;
+    struct wf_slist_item item[3];
+
+    wf_slist_init(&list);
+    wf_slist_append(&list, &item[0]);
+    wf_slist_append(&list, &item[1]);
+    wf_slist_append(&list, &item[2]);
+
+    wf_slist_item * removed;
+    
+    removed = wf_slist_remove_after(&list, &item[1]);
+    ASSERT_FALSE(wf_slist_empty(&list));
+    ASSERT_EQ(&item[2], removed);
+
+    removed = wf_slist_remove_after(&list, &item[0]);
+    ASSERT_FALSE(wf_slist_empty(&list));
+    ASSERT_EQ(&item[1], removed);
+
+    removed = wf_slist_remove_after(&list, &list.head);
+    ASSERT_TRUE(wf_slist_empty(&list));
+    ASSERT_EQ(&item[0], removed);
+
+    ASSERT_EQ(nullptr, list.head.next);
+    ASSERT_EQ(nullptr, list.last->next);
+    ASSERT_EQ(&list.head, list.last);
+    ASSERT_EQ(nullptr, wf_slist_first(&list));    
+}
+
+TEST(wf_slist_remove_after, remove_after)
+{
+    struct wf_slist list;
+    struct wf_slist_item item[3];
+
+    wf_slist_init(&list);
+    wf_slist_append(&list, &item[0]);
+    wf_slist_append(&list, &item[1]);
+    wf_slist_append(&list, &item[2]);
+
+    wf_slist_item * removed;
+    
+    removed = wf_slist_remove_after(&list, &item[0]);
+    ASSERT_FALSE(wf_slist_empty(&list));
+    ASSERT_EQ(&item[1], removed);
+
+    ASSERT_NE(&list.head, list.last);
+    ASSERT_FALSE(wf_slist_empty(&list));
+    ASSERT_EQ(&item[0], wf_slist_first(&list));    
+    ASSERT_EQ(&item[0], list.head.next);
+    ASSERT_EQ(&item[2], list.last);
+    ASSERT_EQ(nullptr, list.last->next);
+    ASSERT_EQ(&item[2], item[0].next);
+    ASSERT_EQ(nullptr, item[2].next);
+}

test/webfuse_provider/tests/core/test_status.cc

@@ -0,0 +1,30 @@
+#include <gtest/gtest.h>
+#include "webfuse_provider/impl/status_intern.h"
+
+TEST(wf_status, tostring)
+{
+    ASSERT_STREQ("Good", wf_status_tostring(WF_GOOD));
+    ASSERT_STREQ("Bad", wf_status_tostring(WF_BAD));
+    ASSERT_STREQ("Bad (not implemented)", wf_status_tostring(WF_BAD_NOTIMPLEMENTED));
+    ASSERT_STREQ("Bad (busy)", wf_status_tostring(WF_BAD_BUSY));
+    ASSERT_STREQ("Bad (timeout)", wf_status_tostring(WF_BAD_TIMEOUT));
+    ASSERT_STREQ("Bad (format)", wf_status_tostring(WF_BAD_FORMAT));
+    ASSERT_STREQ("Bad (no entry)", wf_status_tostring(WF_BAD_NOENTRY));
+    ASSERT_STREQ("Bad (access denied)", wf_status_tostring(WF_BAD_ACCESS_DENIED));
+
+    ASSERT_STREQ("Bad (unknown)", wf_status_tostring(-1));
+}
+
+TEST(wf_status, to_rc)
+{
+    ASSERT_EQ(0, wf_status_to_rc(WF_GOOD));
+    ASSERT_EQ(-ENOENT, wf_status_to_rc(WF_BAD));
+    ASSERT_EQ(-ENOSYS, wf_status_to_rc(WF_BAD_NOTIMPLEMENTED));
+    ASSERT_EQ(-ENOENT, wf_status_to_rc(WF_BAD_BUSY));
+    ASSERT_EQ(-ETIMEDOUT, wf_status_to_rc(WF_BAD_TIMEOUT));
+    ASSERT_EQ(-ENOENT, wf_status_to_rc(WF_BAD_FORMAT));
+    ASSERT_EQ(-ENOENT, wf_status_to_rc(WF_BAD_NOENTRY));
+    ASSERT_EQ(-EACCES, wf_status_to_rc(WF_BAD_ACCESS_DENIED));
+
+    ASSERT_EQ(-ENOENT, wf_status_to_rc(-1));
+}

test/webfuse_provider/tests/core/test_url.cc

@@ -0,0 +1,92 @@
+#include <gtest/gtest.h>
+
+#include "webfuse_provider/impl/url.h"
+
+TEST(url, ParseWs)
+{
+    struct wf_url url;
+    bool result = wf_url_init(&url, "ws://localhost/");
+    ASSERT_TRUE(result);
+    ASSERT_EQ(80, url.port);
+    ASSERT_FALSE(url.use_tls);
+    ASSERT_STREQ("localhost", url.host);
+    ASSERT_STREQ("/", url.path);
+
+    wf_url_cleanup(&url);
+}
+
+TEST(url, ParswWss)
+{
+    struct wf_url url;
+    bool result = wf_url_init(&url, "wss://localhost/");
+    ASSERT_TRUE(result);
+    ASSERT_EQ(443, url.port);
+    ASSERT_TRUE(url.use_tls);
+    ASSERT_STREQ("localhost", url.host);
+    ASSERT_STREQ("/", url.path);
+
+    wf_url_cleanup(&url);
+}
+
+TEST(url, ParseIPAdress)
+{
+    struct wf_url url;
+    bool result = wf_url_init(&url, "ws://127.0.0.1/");
+    ASSERT_TRUE(result);
+    ASSERT_EQ(80, url.port);
+    ASSERT_STREQ("127.0.0.1", url.host);
+    ASSERT_STREQ("/", url.path);
+
+    wf_url_cleanup(&url);
+}
+
+TEST(url, ParsePort)
+{
+    struct wf_url url;
+    bool result = wf_url_init(&url, "ws://localhost:54321/");
+    ASSERT_TRUE(result);
+    ASSERT_EQ(54321, url.port);
+
+    wf_url_cleanup(&url);
+}
+
+TEST(url, ParseNonEmptyPath)
+{
+    struct wf_url url;
+    bool result = wf_url_init(&url, "ws://localhost/some_path?query");
+    ASSERT_TRUE(result);
+    ASSERT_STREQ("/some_path?query", url.path);
+
+    wf_url_cleanup(&url);
+}
+
+TEST(url, FailToParseUnknownProtocol)
+{
+    struct wf_url url;
+    bool result = wf_url_init(&url, "unknown://localhost/");
+    ASSERT_FALSE(result);
+    ASSERT_EQ(0, url.port);
+    ASSERT_EQ(nullptr, url.path);
+    ASSERT_EQ(nullptr, url.host);
+}
+
+TEST(url, FailToParseMissingProtocol)
+{
+    struct wf_url url;
+    bool result = wf_url_init(&url, "unknown");
+    ASSERT_FALSE(result);
+    ASSERT_EQ(0, url.port);
+    ASSERT_EQ(nullptr, url.path);
+    ASSERT_EQ(nullptr, url.host);
+}
+
+TEST(url, FailToParseMissingPath)
+{
+    struct wf_url url;
+    bool result = wf_url_init(&url, "ws://localhost");
+    ASSERT_FALSE(result);
+    ASSERT_EQ(0, url.port);
+    ASSERT_EQ(nullptr, url.path);
+    ASSERT_EQ(nullptr, url.host);
+}
+

test/webfuse_provider/tests/core/test_util.cc

@@ -0,0 +1,47 @@
+#include <gtest/gtest.h>
+#include "webfuse_provider/impl/json_util.h"
+
+TEST(jsonrpc_util, get_int)
+{
+    json_t * object = json_object();
+    json_object_set_new(object, "key", json_integer(23));
+    int value = wf_impl_json_get_int(object, "key", 42);
+    ASSERT_EQ(23, value);
+
+    json_decref(object);
+}
+
+TEST(jsonrpc_util, failed_to_get_null_object)
+{
+    int value = wf_impl_json_get_int(nullptr, "key", 42);
+    
+    ASSERT_EQ(42, value);
+}
+
+TEST(jsonrpc_util, failed_to_get_not_object)
+{
+    json_t * object = json_array();
+    int value = wf_impl_json_get_int(nullptr, "key", 42);    
+    ASSERT_EQ(42, value);
+
+    json_decref(object);
+}
+
+TEST(jsonrpc_util, failed_to_get_invalid_key)
+{
+    json_t * object = json_object();
+    int value = wf_impl_json_get_int(object, "key", 42);
+    ASSERT_EQ(42, value);
+
+    json_decref(object);
+}
+
+TEST(jsonrpc_util, failed_to_get_invalid_value_type)
+{
+    json_t * object = json_object();
+    json_object_set_new(object, "key", json_string("42"));
+    int value = wf_impl_json_get_int(object, "key", 42);
+    ASSERT_EQ(42, value);
+
+    json_decref(object);
+}

test/webfuse_provider/tests/core/timer/test_timepoint.cc

@@ -0,0 +1,38 @@
+#include <gtest/gtest.h>
+
+#include "webfuse_provider/impl/timer/timepoint.h"
+
+#include <thread>
+#include <chrono>
+
+using namespace std::chrono_literals;
+
+TEST(wf_timer_timepoint, now)
+{
+    wf_timer_timepoint start = wf_timer_timepoint_now();
+    std::this_thread::sleep_for(42ms);
+    wf_timer_timepoint end = wf_timer_timepoint_now();
+
+    ASSERT_LT(start, end);
+    ASSERT_LT(end, start + 500);
+}
+
+TEST(wf_timer_timepoint, in_msec)
+{
+    wf_timer_timepoint now = wf_timer_timepoint_now();
+    wf_timer_timepoint later = wf_timer_timepoint_in_msec(42);
+
+    ASSERT_LT(now, later);
+    ASSERT_LT(later, now + 500);
+}
+
+TEST(wf_timer_timepoint, elapsed)
+{
+    wf_timer_timepoint now;
+    
+    now = wf_timer_timepoint_now();
+    ASSERT_TRUE(wf_timer_timepoint_is_elapsed(now - 1));
+
+    now = wf_timer_timepoint_now();
+    ASSERT_FALSE(wf_timer_timepoint_is_elapsed(now + 500));
+}

test/webfuse_provider/tests/core/timer/test_timer.cc

@@ -0,0 +1,148 @@
+#include <gtest/gtest.h>
+
+#include <cstddef>
+#include <chrono>
+#include <thread>
+
+#include "webfuse_provider/impl/timer/timer.h"
+#include "webfuse_provider/impl/timer/manager.h"
+
+using std::size_t;
+using namespace std::chrono_literals;
+
+extern "C"
+{
+    void on_timeout(struct wf_timer * timer, void * user_data)
+    {
+        (void) timer;
+
+        bool * triggered = reinterpret_cast<bool*>(user_data);
+        *triggered = true;
+    }
+}
+
+TEST(wf_timer, init)
+{
+    bool triggered = false;
+    struct wf_timer_manager * manager = wf_timer_manager_create();
+    struct wf_timer * timer = wf_timer_create(manager, &on_timeout, reinterpret_cast<void*>(&triggered));
+
+    wf_timer_dispose(timer);
+    wf_timer_manager_dispose(manager);
+}
+
+TEST(wf_timer, trigger)
+{
+    bool triggered = false;
+    struct wf_timer_manager * manager = wf_timer_manager_create();
+    struct wf_timer * timer = wf_timer_create(manager, &on_timeout, reinterpret_cast<void*>(&triggered));
+
+    wf_timer_start(timer, -1);
+    wf_timer_manager_check(manager);
+
+    ASSERT_TRUE(triggered);
+
+    wf_timer_dispose(timer);
+    wf_timer_manager_dispose(manager);
+}
+
+TEST(wf_timer, trigger_on_dispose)
+{
+    bool triggered = false;
+    struct wf_timer_manager * manager = wf_timer_manager_create();
+    struct wf_timer * timer = wf_timer_create(manager, &on_timeout, reinterpret_cast<void*>(&triggered));
+
+    wf_timer_start(timer, (5 * 60 * 1000));
+
+    wf_timer_manager_dispose(manager);
+    ASSERT_TRUE(triggered);
+
+    wf_timer_dispose(timer);
+}
+
+TEST(wf_timer, cancel)
+{
+    bool triggered = false;
+    struct wf_timer_manager * manager = wf_timer_manager_create();
+    struct wf_timer * timer = wf_timer_create(manager, &on_timeout, reinterpret_cast<void*>(&triggered));
+
+    wf_timer_start(timer, 250);
+    std::this_thread::sleep_for(500ms);
+    wf_timer_cancel(timer);
+    wf_timer_manager_check(manager);
+
+    ASSERT_FALSE(triggered);
+    
+    wf_timer_dispose(timer);
+    wf_timer_manager_dispose(manager);
+}
+
+TEST(wf_timer, cancel_multiple_timers)
+{
+    static size_t const count = 5;
+    struct wf_timer_manager * manager = wf_timer_manager_create();
+    struct wf_timer * timer[count];
+
+    bool triggered = false;
+    for(size_t i = 0; i < count; i++)
+    {
+        timer[i] = wf_timer_create(manager, &on_timeout, reinterpret_cast<void*>(&triggered));
+        wf_timer_start(timer[i], 0);
+    }
+
+    std::this_thread::sleep_for(10ms);
+    for(size_t i = 0; i < count; i++)
+    {
+        wf_timer_cancel(timer[i]);
+    }
+
+    wf_timer_manager_check(manager);
+    ASSERT_FALSE(triggered);
+    
+    for(size_t i = 0; i < count; i++)
+    {
+        wf_timer_dispose(timer[i]);
+    }
+    wf_timer_manager_dispose(manager);
+}
+
+TEST(wf_timer, multiple_timers)
+{
+    static size_t const count = 5;
+    struct wf_timer_manager * manager = wf_timer_manager_create();
+    struct wf_timer * timer[count];
+    bool triggered[count];
+
+    for(size_t i = 0; i < count; i++)
+    {
+        timer[i] = wf_timer_create(manager, &on_timeout, reinterpret_cast<void*>(&triggered[i]));
+        triggered[i] = false;
+        wf_timer_start(timer[i], (300 - (50 * i)));
+    }
+
+    for(size_t i = 0; i < count; i++)
+    {
+        std::this_thread::sleep_for(100ms);
+        wf_timer_manager_check(manager);
+    }
+
+    for(size_t i = 0; i < count; i++)
+    {
+        ASSERT_TRUE(triggered[i]);    
+        wf_timer_dispose(timer[i]);
+    }
+
+    wf_timer_manager_dispose(manager);
+}
+
+TEST(wf_timer, dont_trigger_null_callback)
+{
+    struct wf_timer_manager * manager = wf_timer_manager_create();
+    struct wf_timer * timer = wf_timer_create(manager, nullptr, nullptr);
+    
+    wf_timer_start(timer, -1);
+    wf_timer_manager_check(manager);
+
+    wf_timer_dispose(timer);
+    wf_timer_manager_dispose(manager);
+}