diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..92b14c1
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+offsets.txt
+environment.txt
\ No newline at end of file
diff --git a/src/test/java/integration/Environment.java b/src/test/java/integration/Environment.java
new file mode 100644
index 0000000..d80e7d1
--- /dev/null
+++ b/src/test/java/integration/Environment.java
@@ -0,0 +1,84 @@
+/* Copyright WTFPL */
+package integration;
+
+import java.io.BufferedReader;
+import java.io.FileReader;
+import java.io.FileWriter;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.HashMap;
+
+public class Environment {
+    public final String CONTAINER = "environment.txt";
+
+    private String atmosphere;
+    private String prodkeys;
+    private String firmwares;
+    private String saveTo;
+
+    public Environment() throws Exception{
+        if (Files.notExists(Path.of(CONTAINER))) {
+            boolean createdTemplate = createTemplate();
+            throw new Exception("'environment.txt' not found\n" +
+                    "Please "+(createdTemplate?"":"create and ") +
+                    "set values in file");
+        }
+
+        read();
+
+        if (isNotValid())
+            throw new Exception("'environment.txt' doesn't contain valid data\n");
+    }
+    private void read() throws Exception{
+        HashMap<String, String> rawKeySet = new HashMap<>();
+        try (BufferedReader br = new BufferedReader(new FileReader(CONTAINER))) {
+            String fileLine;
+            String[] keyValue;
+            while ((fileLine = br.readLine()) != null) {
+                keyValue = fileLine.trim().split("\\s+?=\\s+?", 2);
+                if (keyValue.length == 2)
+                    rawKeySet.put(keyValue[0], keyValue[1]);
+            }
+        }
+
+        atmosphere = rawKeySet.get("ATMOSPHERE");
+        prodkeys = rawKeySet.get("PRODKEYS");
+        firmwares = rawKeySet.get("NS_GLOBAL_FIRMWARES");
+        saveTo = rawKeySet.get("SAVE_TO");
+    }
+    private boolean isNotValid(){
+        return atmosphere == null || atmosphere.isBlank() ||
+                prodkeys == null || prodkeys.isBlank() ||
+                firmwares == null || firmwares.isBlank();
+    }
+    private boolean createTemplate(){
+        try(FileWriter writer = new FileWriter(CONTAINER)){
+            writer.write(
+                    "ATMOSPHERE = \n" +
+                    "PRODKEYS = \n" +
+                    "NS_GLOBAL_FIRMWARES = \n" +
+                    "SAVE_TO = /tmp");
+        }
+        catch (Exception e){
+            e.printStackTrace();
+            return false;
+        }
+        return true;
+    }
+
+    public String getAtmosphereLocation() {
+        return atmosphere;
+    }
+
+    public String getProdkeysLocation() {
+        return prodkeys;
+    }
+
+    public String getFirmwaresLocation() {
+        return firmwares;
+    }
+
+    public String getSaveToLocation() {
+        return saveTo;
+    }
+}
diff --git a/src/test/java/integration/EsIntegrationTest.java b/src/test/java/integration/EsIntegrationTest.java
new file mode 100644
index 0000000..c3b9d9c
--- /dev/null
+++ b/src/test/java/integration/EsIntegrationTest.java
@@ -0,0 +1,54 @@
+/* Copyright WTFPL */
+package integration;
+
+import nsusbloader.NSLMain;
+import nsusbloader.Utilities.patches.es.EsPatchMaker;
+import org.junit.jupiter.api.*;
+
+import java.io.File;
+import java.util.Arrays;
+
+public class EsIntegrationTest {
+    static String pathToFirmware;
+    static String pathToFirmwares;
+    static String pathToKeysFile;
+    static String saveTo;
+
+    @BeforeAll
+    static void init() throws Exception{
+        NSLMain.isCli = true;
+        Environment environment = new Environment();
+        pathToKeysFile = environment.getProdkeysLocation();
+        saveTo = environment.getSaveToLocation() + File.separator + "ES_LPR";
+        pathToFirmwares = environment.getFirmwaresLocation();
+        pathToFirmware = pathToFirmware + File.separator + "Firmware 14.1.0";
+    }
+
+    @Disabled
+    @DisplayName("ES Integration validation - everything")
+    @Test
+    void makeEss() throws Exception{
+        File[] fwDirs = new File(pathToFirmwares).listFiles((file, s) -> {
+            return s.matches("^Firmware (9\\.|[0-9][0-9]\\.).*");
+            //return s.matches("^Firmware 10.0.1.*");
+        });
+        assert fwDirs != null;
+        Arrays.sort(fwDirs);
+        for (File dir : fwDirs){
+            EsPatchMaker esPatchMaker = new EsPatchMaker(dir.getAbsolutePath(), pathToKeysFile, saveTo);
+            Thread workThread = new Thread(esPatchMaker);
+            workThread.start();
+            workThread.join();
+        }
+    }
+
+    @Disabled
+    @DisplayName("ES Integration validation - one particular firmware")
+    @Test
+    void makeEs() throws Exception{
+        EsPatchMaker esPatchMaker = new EsPatchMaker(pathToFirmware, pathToKeysFile, saveTo);
+        Thread workThread = new Thread(esPatchMaker);
+        workThread.start();
+        workThread.join();
+    }
+}
diff --git a/src/test/java/integration/FsIntegrationTest.java b/src/test/java/integration/FsIntegrationTest.java
new file mode 100644
index 0000000..220bbf7
--- /dev/null
+++ b/src/test/java/integration/FsIntegrationTest.java
@@ -0,0 +1,60 @@
+/* Copyright WTFPL */
+package integration;
+
+import nsusbloader.NSLMain;
+import nsusbloader.Utilities.patches.fs.FsPatchMaker;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Disabled;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+import java.io.File;
+import java.util.Arrays;
+
+public class FsIntegrationTest {
+    static String pathToFirmware;
+    static String pathToFirmwares;
+    static String pathToKeysFile;
+    static String saveTo;
+
+    @BeforeAll
+    static void init() throws Exception{
+        NSLMain.isCli = true;
+        Environment environment = new Environment();
+        pathToKeysFile = environment.getProdkeysLocation();
+        saveTo = environment.getSaveToLocation() + File.separator + "FS_LPR";
+        pathToFirmwares = environment.getFirmwaresLocation();
+        pathToFirmware = pathToFirmware + File.separator + "Firmware 13.0.0";
+    }
+
+    @Disabled
+    @DisplayName("FS Integration validation - everything")
+    @Test
+    void makeFss() throws Exception{
+        File[] fwDirs = new File(pathToFirmwares).listFiles((file, s) -> {
+            return (s.matches("^Firmware (9\\.|[0-9][0-9]\\.).*") && ! s.endsWith(".zip"));
+            //return s.matches("^Firmware 10.0.1.*");
+        });
+        assert fwDirs != null;
+        Arrays.sort(fwDirs);
+
+        for (File dir : fwDirs){
+            System.out.println("\n\t\t\t"+dir.getName());
+            FsPatchMaker fsPatchMaker = new FsPatchMaker(dir.getAbsolutePath(), pathToKeysFile, saveTo);
+            Thread workThread = new Thread(fsPatchMaker);
+            workThread.start();
+            workThread.join();
+        }
+    }
+
+    @Disabled
+    @DisplayName("FS Integration validation - one particular firmware")
+    @Test
+    void makeFs() throws Exception{
+        System.out.println(pathToFirmware);
+        FsPatchMaker fsPatchMaker = new FsPatchMaker(pathToFirmware, pathToKeysFile, saveTo);
+        Thread workThread = new Thread(fsPatchMaker);
+        workThread.start();
+        workThread.join();
+    }
+}
diff --git a/src/test/java/integration/LoaderIntegrationTest.java b/src/test/java/integration/LoaderIntegrationTest.java
new file mode 100644
index 0000000..d44d6e6
--- /dev/null
+++ b/src/test/java/integration/LoaderIntegrationTest.java
@@ -0,0 +1,35 @@
+/* Copyright WTFPL */
+package integration;
+
+import nsusbloader.NSLMain;
+import nsusbloader.Utilities.patches.loader.LoaderPatchMaker;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Disabled;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+import java.io.File;
+
+public class LoaderIntegrationTest {
+    static String pathToAtmo;
+    static String saveTo;
+
+    @BeforeAll
+    static void init() throws Exception{
+        NSLMain.isCli = true;
+        Environment environment = new Environment();
+        saveTo = environment.getSaveToLocation() + File.separator + "Loader_LPR";
+        pathToAtmo = environment.getAtmosphereLocation();
+    }
+
+    @Disabled
+    @DisplayName("Loader Integration validation")
+    @Test
+    void makeLoader() throws Exception{
+        System.out.println(pathToAtmo);
+        LoaderPatchMaker patchMaker = new LoaderPatchMaker(pathToAtmo, saveTo);
+        Thread workThread = new Thread(patchMaker);
+        workThread.start();
+        workThread.join();
+    }
+}