diff --git a/java_console/io/src/main/java/com/rusefi/binaryprotocol/BinaryProtocol.java b/java_console/io/src/main/java/com/rusefi/binaryprotocol/BinaryProtocol.java
index 30606a54b3..ae05cb7227 100644
--- a/java_console/io/src/main/java/com/rusefi/binaryprotocol/BinaryProtocol.java
+++ b/java_console/io/src/main/java/com/rusefi/binaryprotocol/BinaryProtocol.java
@@ -11,7 +11,6 @@ import com.opensr5.io.DataListener;
 import com.rusefi.ConfigurationImageDiff;
 import com.rusefi.NamedThreadFactory;
 import com.rusefi.config.generated.Integration;
-import com.rusefi.core.SignatureHelper;
 import com.rusefi.Timeouts;
 import com.rusefi.binaryprotocol.test.Bug3923;
 import com.rusefi.config.generated.Fields;
@@ -76,6 +75,7 @@ public class BinaryProtocol {
 
     private final BinaryProtocolLogger binaryProtocolLogger;
     public static boolean DISABLE_LOCAL_CONFIGURATION_CACHE;
+    public static IniFileProvider iniFileProvider = new RealIniFileProvider();
 
     public static String findCommand(byte command) {
         switch (command) {
@@ -181,10 +181,7 @@ public class BinaryProtocol {
         } catch (IOException e) {
             return "Failed to read signature " + e;
         }
-        String localIniFile = SignatureHelper.downloadIfNotAvailable(SignatureHelper.getUrl(signature));
-        if (localIniFile == null)
-            throw new IllegalStateException("Failed to download for " + signature);
-        iniFile = new IniFileModel().readIniFile(localIniFile);
+        iniFile = iniFileProvider.provide(signature);
 
         String errorMessage = validateConfigVersion();
         if (errorMessage != null)
diff --git a/java_console/io/src/main/java/com/rusefi/binaryprotocol/IniFileProvider.java b/java_console/io/src/main/java/com/rusefi/binaryprotocol/IniFileProvider.java
new file mode 100644
index 0000000000..30487b62f6
--- /dev/null
+++ b/java_console/io/src/main/java/com/rusefi/binaryprotocol/IniFileProvider.java
@@ -0,0 +1,7 @@
+package com.rusefi.binaryprotocol;
+
+import com.opensr5.ini.IniFileModel;
+
+public interface IniFileProvider {
+    IniFileModel provide(String signature);
+}
diff --git a/java_console/io/src/main/java/com/rusefi/binaryprotocol/RealIniFileProvider.java b/java_console/io/src/main/java/com/rusefi/binaryprotocol/RealIniFileProvider.java
new file mode 100644
index 0000000000..765b283eb5
--- /dev/null
+++ b/java_console/io/src/main/java/com/rusefi/binaryprotocol/RealIniFileProvider.java
@@ -0,0 +1,14 @@
+package com.rusefi.binaryprotocol;
+
+import com.opensr5.ini.IniFileModel;
+import com.rusefi.core.SignatureHelper;
+
+public class RealIniFileProvider implements IniFileProvider {
+    @Override
+    public IniFileModel provide(String signature) {
+        String localIniFile = SignatureHelper.downloadIfNotAvailable(SignatureHelper.getUrl(signature));
+        if (localIniFile == null)
+            throw new IllegalStateException("Failed to download for " + signature);
+        return new IniFileModel().readIniFile(localIniFile);
+    }
+}
diff --git a/java_tools/proxy_server/src/test/java/com/rusefi/proxy/MockIniFileProvider.java b/java_tools/proxy_server/src/test/java/com/rusefi/proxy/MockIniFileProvider.java
new file mode 100644
index 0000000000..76c3ff2975
--- /dev/null
+++ b/java_tools/proxy_server/src/test/java/com/rusefi/proxy/MockIniFileProvider.java
@@ -0,0 +1,12 @@
+package com.rusefi.proxy;
+
+import com.rusefi.binaryprotocol.IniFileProvider;
+import org.mockito.Mockito;
+
+public class MockIniFileProvider {
+
+    public static IniFileProvider create() {
+        IniFileProvider mock = Mockito.mock(IniFileProvider.class);
+        return mock;
+    }
+}
diff --git a/java_tools/proxy_server/src/test/java/com/rusefi/proxy/NetworkConnectorTest.java b/java_tools/proxy_server/src/test/java/com/rusefi/proxy/NetworkConnectorTest.java
index f746140e67..8518cbb30f 100644
--- a/java_tools/proxy_server/src/test/java/com/rusefi/proxy/NetworkConnectorTest.java
+++ b/java_tools/proxy_server/src/test/java/com/rusefi/proxy/NetworkConnectorTest.java
@@ -5,6 +5,7 @@ import com.opensr5.ConfigurationImage;
 import com.rusefi.BackendTestHelper;
 import com.rusefi.TestHelper;
 import com.rusefi.Timeouts;
+import com.rusefi.binaryprotocol.BinaryProtocol;
 import com.rusefi.config.generated.Fields;
 import com.rusefi.io.tcp.BinaryProtocolServer;
 import com.rusefi.io.tcp.TcpConnector;
@@ -25,6 +26,7 @@ public class NetworkConnectorTest {
 
     @BeforeEach
     public void setup() throws MalformedURLException {
+        //BinaryProtocol.iniFileProvider = MockIniFileProvider.create();
         BackendTestHelper.commonServerTest();
     }