diff --git a/firmware/console/status_loop.cpp b/firmware/console/status_loop.cpp
index 0c2b47d1fa..93a231c752 100644
--- a/firmware/console/status_loop.cpp
+++ b/firmware/console/status_loop.cpp
@@ -27,15 +27,13 @@
 #include "global.h"
 #include "status_loop.h"
 #include "HIP9011_logic.h"
+#include "engine_controller.h"
 
 #include "adc_inputs.h"
 #if EFI_WAVE_ANALYZER || defined(__DOXYGEN__)
 #include "wave_analyzer.h"
 #endif /* EFI_WAVE_ANALYZER */
 
-// see RUS_EFI_VERSION_TAG in console source code
-#define RUS_EFI_VERSION_TAG "rusEfiVersion"
-
 #include "trigger_central.h"
 #include "engine_state.h"
 #include "io_pins.h"
@@ -394,11 +392,8 @@ void printOverallStatus(systime_t nowSeconds) {
 		return;
 	}
 	timeOfPreviousPrintVersion = nowSeconds;
-	appendPrintf(&logger, "%s%s%d@%s %s %d%s", RUS_EFI_VERSION_TAG, DELIMETER,
-			getRusEfiVersion(), VCS_VERSION,
-			getConfigurationName(engineConfiguration->engineType),
-			getTimeNowSeconds(),
-			DELIMETER);
+	int seconds = getTimeNowSeconds();
+	printCurrentState(&logger, seconds, getConfigurationName(engineConfiguration->engineType));
 #if EFI_PROD_CODE || defined(__DOXYGEN__)
 	printOutPin(CRANK1, CONFIGB(triggerInputPins)[0]);
 	printOutPin(CRANK2, CONFIGB(triggerInputPins)[1]);
diff --git a/firmware/console/status_loop.h b/firmware/console/status_loop.h
index 5064928864..a330427fa1 100644
--- a/firmware/console/status_loop.h
+++ b/firmware/console/status_loop.h
@@ -19,4 +19,7 @@ bool getFullLog(void);
 void setFullLog(int value);
 void printOverallStatus(systime_t nowSeconds);
 
+// see RUS_EFI_VERSION_TAG in console source code
+#define RUS_EFI_VERSION_TAG "rusEfiVersion"
+
 #endif /* CONSOLE_LOOP_H_ */
diff --git a/firmware/controllers/algo/engine2.cpp b/firmware/controllers/algo/engine2.cpp
index 716d45584e..fd1a46db65 100644
--- a/firmware/controllers/algo/engine2.cpp
+++ b/firmware/controllers/algo/engine2.cpp
@@ -15,6 +15,13 @@
 #include "engine_math.h"
 #include "advance_map.h"
 #include "aux_valves.h"
+#if EFI_PROD_CODE
+#include "svnversion.h"
+#endif
+
+#if ! EFI_UNIT_TEST
+#include "status_loop.h"
+#endif
 
 extern fuel_Map3D_t veMap;
 extern afr_Map3D_t afrMap;
@@ -288,4 +295,15 @@ void StartupFuelPumping::update(DECLARE_ENGINE_PARAMETER_SIGNATURE) {
 	}
 }
 
+#if EFI_SIMULATOR
+#define VCS_VERSION "123"
+#endif
+
+void printCurrentState(Logging *logging, int seconds, const char *name) {
+	logging->appendPrintf("%s%s%d@%s %s %d%s", RUS_EFI_VERSION_TAG, DELIMETER,
+			getRusEfiVersion(), VCS_VERSION,
+			name,
+			seconds,
+			DELIMETER);
+}
 
diff --git a/firmware/controllers/engine_controller.h b/firmware/controllers/engine_controller.h
index 64aed9509d..2ba426688f 100644
--- a/firmware/controllers/engine_controller.h
+++ b/firmware/controllers/engine_controller.h
@@ -35,4 +35,6 @@ void setMockMafVoltage(float voltage);
 void setMockIatVoltage(float voltage);
 void setMockCltVoltage(float voltage);
 
+void printCurrentState(Logging *logging, int seconds, const char *name);
+
 #endif /* ENGINE_STATUS_H_ */
diff --git a/firmware/util/datalogging.cpp b/firmware/util/datalogging.cpp
index ba5aff3296..270406e3ba 100644
--- a/firmware/util/datalogging.cpp
+++ b/firmware/util/datalogging.cpp
@@ -275,6 +275,19 @@ void initIntermediateLoggingBuffer(void) {
 	intermediateLoggingBufferInited = true;
 }
 
+#else
+/* unit test implementations */
+void Logging::vappendPrintf(const char *fmt, va_list arg) {
+
+}
+
+void Logging::appendPrintf(const char *fmt, ...) {
+	va_list ap;
+	va_start(ap, fmt);
+	vsprintf(buffer, fmt, ap);
+	va_end(ap);
+}
+
 #endif /* ! EFI_UNIT_TEST */
 
 void Logging::baseConstructor() {
@@ -293,6 +306,8 @@ Logging::Logging(char const *name, char *buffer, int bufferSize) {
 	baseConstructor();
 #if ! EFI_UNIT_TEST
 	initLoggingExt(name, buffer, bufferSize);
+#else
+	this->buffer = buffer;
 #endif /* ! EFI_UNIT_TEST */
 }
 
diff --git a/unit_tests/global.h b/unit_tests/global.h
index f7fc54867f..9940014d22 100644
--- a/unit_tests/global.h
+++ b/unit_tests/global.h
@@ -42,6 +42,8 @@ void print(const char *fmt, ...);
 
 
 #define US_TO_NT_MULTIPLIER 100
+#define VCS_VERSION "321"
+#define RUS_EFI_VERSION_TAG "rusEfiVersion"
 
 #define ALWAYS_INLINE INLINE
 
diff --git a/unit_tests/tests/test_util.cpp b/unit_tests/tests/test_util.cpp
index a1649984e8..ea303a2db3 100644
--- a/unit_tests/tests/test_util.cpp
+++ b/unit_tests/tests/test_util.cpp
@@ -15,6 +15,7 @@
 #include "malfunction_central.h"
 #include "cli_registry.h"
 #include "unit_test_framework.h"
+#include "engine_controller.h"
 
 #include "nmea.h"
 #include "efilib2.h"
@@ -486,5 +487,16 @@ void testMenuTree(void) {
 
 	tree.back();
 	assertTrue(tree.current == &miTopLevel1);
-
+}
+
+int getRusEfiVersion(void) {
+	return 776655;
+}
+
+TEST(util, datalogging) {
+	char LOGGING_BUFFER[1000];
+	Logging logger("settings control", LOGGING_BUFFER, sizeof(LOGGING_BUFFER));
+
+	printCurrentState(&logger, 239, "CUSTOM_ENGINE");
+	ASSERT_STREQ("rusEfiVersion,776655@321 CUSTOM_ENGINE 239,", LOGGING_BUFFER);
 }