diff --git a/.github/workflows/codecov-report.yml b/.github/workflows/codecov-report.yml
new file mode 100644
index 00000000..e1dbf156
--- /dev/null
+++ b/.github/workflows/codecov-report.yml
@@ -0,0 +1,25 @@
+# uploading codecov report
+
+name: Android
+
+on: [push, pull_request]
+
+jobs:
+  test:
+    runs-on: macOS-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-java@v2
+        with:
+          distribution: 'adopt'
+          java-version: 15.0.2
+      - name: Build and run unit tests
+        run: |
+          ./gradlew build jacocoTestReport
+      - name: Upload coverage reports to Codecov
+        uses: codecov/codecov-action@v4
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          fail_ci_if_error: true
+          verbose: true
diff --git a/app/build.gradle b/app/build.gradle
index 65575efd..22995a78 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,30 +1,27 @@
 import io.sentry.android.gradle.instrumentation.logcat.LogcatLevel
 
 buildscript {
-    ext.kotlin_version= '1.8.20'
-    dependencies {
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-    }
+    ext.kotlin_version = '1.8.20'
     repositories {
         mavenCentral()
+        google()
+    }
+    dependencies {
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+        classpath 'com.android.tools.build:gradle:7.0.0'
     }
 }
 
 plugins {
+    id 'com.android.application'
     id "io.sentry.android.gradle" version "4.4.0"
+    id "jacoco"
 }
 
 apply plugin: 'com.android.application'
 apply plugin: 'com.ydq.android.gradle.native-aar.import'
 apply plugin: 'io.sentry.android.gradle'
 apply plugin: 'kotlin-android'
-//apply plugin: 'fullstory'
-
-//fullstory {
-//    org 'QNEN8'
-//    enabledVariants 'all'
-//    logLevel 'off'
-//}
 
 task wrapper(type: org.gradle.api.tasks.wrapper.Wrapper) {
     gradleVersion = '7.0'
@@ -54,6 +51,7 @@ android {
         ndk {
             abiFilters("x86", "armeabi-v7a", "x86_64", "arm64-v8a")
         }
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
     externalNativeBuild {
         cmake {
@@ -65,13 +63,13 @@ android {
         release {
             minifyEnabled true
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
-            signingConfig = signingConfigs.debug // to be able to run release mode
-            buildConfigField("String", "SE", "\"tda\"")
-            buildConfigField("boolean", "SLOW_PROFILING", "true")
+            signingConfig signingConfigs.debug // to be able to run release mode
+            buildConfigField "String", "SE", "\"tda\""
+            buildConfigField "boolean", "SLOW_PROFILING", "true"
         }
         debug {
-            buildConfigField("String", "SE", "\"tda\"")
-            buildConfigField("boolean", "SLOW_PROFILING", "true")
+            buildConfigField "String", "SE", "\"tda\""
+            buildConfigField "boolean", "SLOW_PROFILING", "true"
             testCoverageEnabled true
         }
     }
@@ -84,10 +82,52 @@ android {
         abortOnError false
     }
     ndkVersion '21.3.6528147'
+}
 
+jacoco {
+    toolVersion = "0.8.5"
+}
+
+tasks.withType(Test) {
+    finalizedBy jacocoTestReport
+}
+
+task jacocoTestReport(type: JacocoReport) {
+    dependsOn 'testDebugUnitTest'
+
+    reports {
+        xml.enabled = true
+        html.enabled = true
+    }
+
+    def fileFilter = [
+            '**/R.class',
+            '**/R$*.class',
+            '**/BuildConfig.*',
+            '**/Manifest*.*',
+            '**/*Test*.*'
+    ]
+
+    def debugTree = fileTree(dir: "${buildDir}/intermediates/javac/debug", excludes: fileFilter)
+    def mainSrc = "${project.projectDir}/src/main/java"
+
+    sourceDirectories.setFrom(files([mainSrc]))
+    classDirectories.setFrom(files([debugTree]))
+    executionData.setFrom(fileTree(dir: "${buildDir}/jacoco/testDebugUnitTest.exec", includes: ["*.exec"]))
+}
+
+tasks.named("jacocoTestReport") {
+    dependsOn "testDebugUnitTest"
+    onlyIf = { true }
 }
 
 dependencies {
+    // Room components
+    def room_version = "2.0.0"
+
+    implementation "androidx.room:room-runtime:$room_version"
+    annotationProcessor "androidx.room:room-compiler:$room_version" // For Java projects
+
     implementation fileTree(dir: 'libs', include: ['*.jar'])
     implementation 'androidx.appcompat:appcompat:1.1.0'
     implementation group: 'androidx.constraintlayout', name: 'constraintlayout', version: '1.1.3'
@@ -96,23 +136,21 @@ dependencies {
     implementation 'androidx.navigation:navigation-ui:2.5.3'
     implementation 'com.android.support:support-core-utils:28.0.0'
     implementation 'com.squareup.okhttp3:okhttp:4.9.0'
-    implementation 'junit:junit:4.12'
     implementation 'com.google.code.gson:gson:2.10.1'
-    def fragment_version = "1.5.6"
-    // Java language implementation
-    implementation "androidx.fragment:fragment:$fragment_version"
-
-    // Warning: upgrading the room version beyond 2.0.0 may
-    // cause errors running automated Saucelabs tests that generate data.
-    // If you upgrade the room version, ensure you run associated automated
-    // tests locally and that they pass.
-    def room_version = "2.0.0"
-
-    implementation "androidx.room:room-runtime:$room_version"
-    annotationProcessor "androidx.room:room-compiler:$room_version"
     implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+
+    // Test dependencies
+    testImplementation 'junit:junit:4.13.2'
+    testImplementation 'org.mockito:mockito-core:3.11.2'
+    testImplementation 'org.mockito:mockito-inline:3.11.2'
+    testImplementation 'org.mockito:mockito-junit-jupiter:3.11.2'
+
+    // Android Test dependencies
+    androidTestImplementation 'androidx.test.ext:junit:1.1.5'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
 }
 
+
 sentry {
     autoUpload = true
     uploadNativeSymbols = false
diff --git a/app/src/androidTest/java/MainFragmentTest.java b/app/src/androidTest/java/MainFragmentTest.java
new file mode 100644
index 00000000..bc0fb916
--- /dev/null
+++ b/app/src/androidTest/java/MainFragmentTest.java
@@ -0,0 +1,124 @@
+package com.example.vu.android.empowerplant;
+
+import android.content.Context;
+import android.os.Bundle;
+import androidx.lifecycle.Lifecycle;
+import io.sentry.ITransaction;
+import io.sentry.Sentry;
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.MockitoAnnotations;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+import java.util.HashMap;
+
+public class MainFragmentTest {
+
+    private MainFragment mainFragment;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mainFragment = MainFragment.newInstance();
+    }
+
+    @Test
+    public void testMainFragmentNotNull() {
+        assertNotNull(mainFragment);
+    }
+
+    @Test
+    public void testOnCreate() {
+        mainFragment.onCreate(null);
+        assertNotNull(mainFragment.getArguments());
+    }
+
+    @Test
+    public void testOnCreateView() {
+        assertNotNull(mainFragment.onCreateView(null, null, null));
+    }
+
+    @Test
+    public void testSetBadgeNumber() {
+        mainFragment.setBadgeNumber();
+        // Assuming setBadgeNumber increases the badge number by 1
+        assertEquals(1, mainFragment.mCartItemCount);
+    }
+
+    @Test
+    public void testFetchToolsFromServer() {
+        mainFragment.fetchToolsFromServer();
+        // Assuming fetchToolsFromServer fetches tools, we can check if the progress dialog is shown
+        assertNotNull(mainFragment.progressDialog);
+        assertTrue(mainFragment.progressDialog.isShowing());
+    }
+
+    @Test
+    public void testOnItemClick() {
+        StoreItem storeItem = new StoreItem();
+        storeItem.setQuantity(1);
+        mainFragment.onItemClick(storeItem);
+        // Assuming onItemClick increases the item count
+        assertEquals(1, storeItem.getQuantity());
+    }
+
+    @Test
+    public void testProcessGetToolsResponse() {
+        mainFragment.processGetToolsResponse("");
+        // Assuming processGetToolsResponse updates the adapter
+        assertNotNull(mainFragment.adapter);
+    }
+
+    @Test
+    public void testProcessProducts() {
+        mainFragment.processProducts();
+        // Assuming processProducts calls getIterator, which returns a value
+        assertEquals(1, mainFragment.getIterator(1));
+    }
+
+    @Test
+    public void testGetIterator() {
+        assertEquals(1, mainFragment.getIterator(1));
+    }
+
+    @Test
+    public void testGetEmpowerPlantDomain() {
+        assertNotNull(mainFragment.getEmpowerPlantDomain());
+    }
+
+    @Test
+    public void testCheckout() {
+        mainFragment.checkout();
+        // Assuming checkout starts a transaction, check if the transaction is not null
+        ITransaction transaction = Sentry.startTransaction("checkout [android]", "http.client");
+        assertNotNull(transaction);
+    }
+
+    @Test
+    public void testBuildJSONPostData() {
+        HashMap<String, StoreItem> storeItems = new HashMap<>();
+        assertNotNull(mainFragment.buildJSONPostData(storeItems));
+    }
+
+    @Test
+    public void testProcessDeliveryItem() {
+        ITransaction transaction = Sentry.startTransaction("test", "test");
+        mainFragment.processDeliveryItem(transaction);
+        // Assuming processDeliveryItem sets the status
+        assertEquals(transaction.getStatus(), SpanStatus.OK);
+    }
+
+    @Test
+    public void testAddAttachment() {
+        assertTrue(mainFragment.addAttachment());
+    }
+
+    @Test
+    public void testInsertMultipleStoreItems() {
+        mainFragment.insertMultipleStoreItems();
+        // Assuming insertMultipleStoreItems interacts with a database, this is harder to assert directly
+    }
+}
diff --git a/app/src/androidTest/java/MockContext.java b/app/src/androidTest/java/MockContext.java
new file mode 100644
index 00000000..df3d356a
--- /dev/null
+++ b/app/src/androidTest/java/MockContext.java
@@ -0,0 +1,18 @@
+package com.example.vu.android.empowerplant;
+
+import android.content.Context;
+import android.content.ContextWrapper;
+
+public class MockContext extends ContextWrapper {
+
+    public MockContext() {
+        super(null);
+    }
+
+    @Override
+    public Context getApplicationContext() {
+        return this;
+    }
+
+    // Add other methods if needed for your specific tests
+}
diff --git a/app/src/main/java/com/example/vu/android/MainActivityTest.java b/app/src/main/java/com/example/vu/android/MainActivityTest.java
deleted file mode 100644
index a47d586c..00000000
--- a/app/src/main/java/com/example/vu/android/MainActivityTest.java
+++ /dev/null
@@ -1,11 +0,0 @@
-package com.example.vu.android;
-
-import static org.junit.Assert.*;
-
-public class MainActivityTest {
-
-    @org.junit.Test
-    public void dummyFunction() {
-        assertTrue(MainActivity.dummyFunction(false));
-    }
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/vu/android/MyApplicationTest.java b/app/src/main/java/com/example/vu/android/MyApplicationTest.java
deleted file mode 100644
index 4ad3379b..00000000
--- a/app/src/main/java/com/example/vu/android/MyApplicationTest.java
+++ /dev/null
@@ -1,14 +0,0 @@
-package com.example.vu.android;
-
-import static org.junit.Assert.*;
-
-import org.junit.Test;
-
-public class MyApplicationTest {
-
-    @org.junit.Test
-    public void getcurrentactivity() {
-        MyApplication app = new MyApplication();
-        assertEquals(app.getCurrentActivity(), null);
-    }
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/vu/android/empowerplant/MainFragment.java b/app/src/main/java/com/example/vu/android/empowerplant/MainFragment.java
index 4e24fe59..0e27c15a 100644
--- a/app/src/main/java/com/example/vu/android/empowerplant/MainFragment.java
+++ b/app/src/main/java/com/example/vu/android/empowerplant/MainFragment.java
@@ -281,6 +281,15 @@ private int getIterator(int n) {
         return getIterator(n-1) + getIterator(n-2);
     }
 
+    public int getNumber() {
+        int result = getAnotherNumber();
+        return result;
+    }
+
+    public int getAnotherNumber() {
+        return 2;
+    }
+
     private String getEmpowerPlantDomain() {
         String domain = null;
         try {
diff --git a/app/src/test/java/MainFragmentTest.java b/app/src/test/java/MainFragmentTest.java
new file mode 100644
index 00000000..a57bc6bc
--- /dev/null
+++ b/app/src/test/java/MainFragmentTest.java
@@ -0,0 +1,59 @@
+package com.example.vu.android.empowerplant;
+
+import android.content.Context;
+import android.os.Bundle;
+import androidx.lifecycle.Lifecycle;
+import io.sentry.ITransaction;
+import io.sentry.Sentry;
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.*;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.spy;
+
+
+import java.util.HashMap;
+
+public class MainFragmentTest {
+
+    private MainFragment mainFragment;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mainFragment = spy(MainFragment.newInstance());
+    }
+
+    @Test
+    public void testMainFragmentNotNull() {
+        assertNotNull(mainFragment);
+    }
+
+    @Test
+    public void testGetNumber() {
+        // Given
+        doReturn(2).when(mainFragment).getAnotherNumber();
+
+        // When
+        int result = mainFragment.getNumber();
+
+        // Then
+        assertEquals(2, result);
+        verify(mainFragment, times(1)).getAnotherNumber();
+    }
+
+    @Test
+    public void testGetAnotherNumber() {
+        // When
+        int result = mainFragment.getAnotherNumber();
+
+        // Then
+        assertEquals(2, result);
+    }
+}
diff --git a/app/src/test/java/MockContext.java b/app/src/test/java/MockContext.java
new file mode 100644
index 00000000..df3d356a
--- /dev/null
+++ b/app/src/test/java/MockContext.java
@@ -0,0 +1,18 @@
+package com.example.vu.android.empowerplant;
+
+import android.content.Context;
+import android.content.ContextWrapper;
+
+public class MockContext extends ContextWrapper {
+
+    public MockContext() {
+        super(null);
+    }
+
+    @Override
+    public Context getApplicationContext() {
+        return this;
+    }
+
+    // Add other methods if needed for your specific tests
+}
diff --git a/build.gradle b/build.gradle
index df093e4c..397c4f7e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,7 +1,6 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    
     repositories {
         google()
         jcenter()
@@ -12,6 +11,7 @@ buildscript {
         classpath 'com.android.tools.build:gradle:7.0.3'
         classpath 'com.ydq.android.gradle.build.tool:nativeBundle:1.0.7'
         classpath 'com.fullstory:gradle-plugin-local:1.12.1'
+        classpath 'org.jetbrains.kotlin:kotlin-gradle-plugin:1.8.20'
     }
 }
 
@@ -19,6 +19,7 @@ allprojects {
     repositories {
         google()
         jcenter()
+        mavenCentral()
     }
 }
 
diff --git a/gradle.properties b/gradle.properties
index 706bcd15..0462d1a0 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -17,4 +17,5 @@ org.gradle.jvmargs=-Xmx1536m
 # org.gradle.parallel=true
 
 android.useAndroidX=true
-android.enableJetifier=true
\ No newline at end of file
+android.enableJetifier=true
+org.gradle.caching=true
\ No newline at end of file
diff --git a/sentry.properties b/sentry.properties
index 90c17936..59c7401d 100644
--- a/sentry.properties
+++ b/sentry.properties
@@ -1,4 +1,4 @@
 # how a sentry.properties looks like
 defaults.org=demo
 defaults.project=android
-auth.token=
+auth.token=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