app/build.gradle

@@ -57,9 +57,10 @@ dependencies {
     implementation "androidx.swiperefreshlayout:swiperefreshlayout:1.0.0"
 
 
-
     // TESTING
     testImplementation 'junit:junit:4.12'
+    testImplementation "io.mockk:mockk:1.9.3"
+    testImplementation "com.squareup.okhttp3:mockwebserver:4.2.1"
     androidTestImplementation 'androidx.test.ext:junit:1.1.1'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
 

app/src/androidTest/java/it/unisannio/ding/ids/wedroid/app/data/dao/BoardDaoTest.kt

@@ -62,15 +62,29 @@ class BoardDaoTest {
         }
     }
 
+    @Test
+    fun replaceOnConflict() {
+        val board0 = Board("id", "title0")
+        val board1 = Board("id", "title1")
+
+        runBlocking {
+            dao.insert(board0)
+            dao.insert(board1)
+        }
+
+        dao.getAllBoard().observeOnce {
+            assertEquals(1, it.size)
+            assertEquals("title1", it[0].title)
+        }
+    }
+
+    @Test
     fun getInAscendingOrder() {
         val board0 = Board("id0", "title0")
         val board1 = Board("id1", "title1")
 
         runBlocking {
             dao.insert(board1)
-        }
-
-        runBlocking {
             dao.insert(board0)
         }
 
@@ -81,14 +95,12 @@ class BoardDaoTest {
         }
     }
 
+    @Test
     fun delete() {
         val board = Board("id", "title")
 
         runBlocking {
             dao.insert(board)
-        }
-
-        runBlocking {
             dao.delete(board)
         }
 

app/src/main/AndroidManifest.xml

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="it.unisannio.ding.ids.wedroid.app">
+
     <uses-permission android:name="android.permission.INTERNET" />
 
     <application
@@ -11,12 +12,16 @@
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
 
-        <activity android:name=".view.LoginActivity"></activity>
+        <activity android:name=".view.LoginActivity" />
+
+        <activity
+            android:name=".view.NewBoardActivity"
+            android:label="@string/title_activity_new_board"
+            android:theme="@style/AppTheme.NoActionBar" />
 
         <activity
             android:name=".view.BoardsListsActivity"
             android:theme="@style/AppTheme.NoActionBar">
-
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 

app/src/main/java/it/unisannio/ding/ids/wedroid/app/data/repository/BoardRepository.kt

@@ -7,6 +7,7 @@ import it.unisannio.ding.ids.wedroid.app.data.entity.convert
 import it.unisannio.ding.ids.wedroid.app.util.PreferenceReader
 import it.unisannio.ding.ids.wedroid.wrapper.api.BoardService
 import it.unisannio.ding.ids.wedroid.wrapper.entity.BoardBackgroundColor
+import it.unisannio.ding.ids.wedroid.wrapper.entity.BoardPermission
 import it.unisannio.ding.ids.wedroid.wrapper.entity.BoardPrototype
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
@@ -28,54 +29,27 @@ class BoardRepository(
         synchronize()
     }
 
-    fun insertBoard(title: String) {
-        service.newBoard(
-            BoardPrototype.Builder()
-                .setOwner(reader.userId)
-                .setTitle(title)
-                .setBackgroundColor(BoardBackgroundColor.LIMEGREEN)
-                .build()
-        ).enqueue(object : Callback<it.unisannio.ding.ids.wedroid.wrapper.entity.Board> {
+    fun synchronize() {
+        service.getBoardsFromUser(reader.userId)
+            .enqueue(object :
+                Callback<MutableList<it.unisannio.ding.ids.wedroid.wrapper.entity.Board>> {
                 override fun onFailure(
-                call: Call<it.unisannio.ding.ids.wedroid.wrapper.entity.Board>,
+                    call: Call<MutableList<it.unisannio.ding.ids.wedroid.wrapper.entity.Board>>,
                     t: Throwable
                 ) = logNetworkError(t.message)
 
                 override fun onResponse(
-                call: Call<it.unisannio.ding.ids.wedroid.wrapper.entity.Board>,
-                response: Response<it.unisannio.ding.ids.wedroid.wrapper.entity.Board>
+                    call: Call<MutableList<it.unisannio.ding.ids.wedroid.wrapper.entity.Board>>,
+                    response: Response<MutableList<it.unisannio.ding.ids.wedroid.wrapper.entity.Board>>
                 ) {
-                if (!response.isSuccessful) {
-                    logNetworkError("${response.code()} ${response.message()}")
-                    return
-                }
-
-                val board = response.body()
-
-                if (board == null) {
-                    logNetworkError("empty body")
-                    return
-                }
-
                     CoroutineScope(Dispatchers.IO).launch {
-                    dao.insert(Board(board.id, title))
+                        synchronizeCallback(response)
                     }
                 }
             })
     }
 
-    fun synchronize() {
-        service.getBoardsFromUser(reader.userId)
-            .enqueue(object :
-                Callback<MutableList<it.unisannio.ding.ids.wedroid.wrapper.entity.Board>> {
-
-                override fun onFailure(
-                    call: Call<MutableList<it.unisannio.ding.ids.wedroid.wrapper.entity.Board>>,
-                    t: Throwable
-                ) = logNetworkError(t.message)
-
-                override fun onResponse(
-                    call: Call<MutableList<it.unisannio.ding.ids.wedroid.wrapper.entity.Board>>,
+    private suspend fun synchronizeCallback(
         response: Response<MutableList<it.unisannio.ding.ids.wedroid.wrapper.entity.Board>>
     ) {
         if (!response.isSuccessful) {
@@ -91,9 +65,53 @@ class BoardRepository(
 
         removeOldBoardsFromDb(boards)
     }
+
+    fun insertBoard(title: String, isPrivate: Boolean, color: BoardBackgroundColor) {
+        val permission = if (isPrivate) BoardPermission.PRIVATE else BoardPermission.PUBLIC
+
+        service.newBoard(
+            BoardPrototype.Builder()
+                .setOwner(reader.userId)
+                .setTitle(title)
+                .setBackgroundColor(color)
+                .setBoardPermission(permission)
+                .build()
+        ).enqueue(object : Callback<it.unisannio.ding.ids.wedroid.wrapper.entity.Board> {
+            override fun onFailure(
+                call: Call<it.unisannio.ding.ids.wedroid.wrapper.entity.Board>,
+                t: Throwable
+            ) = logNetworkError(t.message)
+
+            override fun onResponse(
+                call: Call<it.unisannio.ding.ids.wedroid.wrapper.entity.Board>,
+                response: Response<it.unisannio.ding.ids.wedroid.wrapper.entity.Board>
+            ) {
+                CoroutineScope(Dispatchers.IO).launch {
+                    insertBoardCallback(response, title)
+                }
+            }
         })
     }
 
+    private suspend fun insertBoardCallback(
+        response: Response<it.unisannio.ding.ids.wedroid.wrapper.entity.Board>,
+        title: String
+    ) {
+        if (!response.isSuccessful) {
+            logNetworkError("${response.code()} ${response.message()}")
+            return
+        }
+
+        val board = response.body()
+
+        if (board == null) {
+            logNetworkError("empty body")
+            return
+        }
+
+        dao.insert(Board(board.id, title))
+    }
+
     fun deleteBoard(id: String) {
         service.deleteBoard(id).enqueue(
             object : Callback<Void> {
@@ -101,35 +119,41 @@ class BoardRepository(
                     logNetworkError(t.message)
                 }
 
-                override fun onResponse(call: Call<Void>, response: Response<Void>) {
-                    if (!response.isSuccessful) {
-                        logNetworkError("${response.code()}, ${response.message()}")
-                        return
-                    }
-
+                override fun onResponse(
+                    call: Call<Void>,
+                    response: Response<Void>
+                ) {
                     CoroutineScope(Dispatchers.IO).launch {
-                        dao.delete(Board(id))
+                        deleteBoardCallback(response, id)
                     }
                 }
             })
     }
 
-    private fun addNewBoardToDb(boards: Collection<Board>) {
+    private suspend fun deleteBoardCallback(
+        response: Response<Void>,
+        id: String
+    ) {
+        if (!response.isSuccessful) {
+            logNetworkError("${response.code()} ${response.message()}")
+            return
+        }
+
+        dao.delete(Board(id))
+    }
+
+    private suspend fun addNewBoardToDb(boards: Collection<Board>) {
         boards.forEach {
-            CoroutineScope(Dispatchers.IO).launch {
             dao.insert(it)
         }
     }
-    }
 
-    private fun removeOldBoardsFromDb(boards: Collection<Board>) {
+    private suspend fun removeOldBoardsFromDb(boards: Collection<Board>) {
         allBoards.value?.minus(boards)
             ?.forEach {
-                CoroutineScope(Dispatchers.IO).launch {
                     dao.delete(it)
             }
     }
-    }
 
     private fun logNetworkError(message: String?) {
         Log.e("RETROFIT", message)

app/src/main/java/it/unisannio/ding/ids/wedroid/app/view/BoardsListsActivity.kt

@@ -2,7 +2,7 @@ package it.unisannio.ding.ids.wedroid.app.view
 
 import android.content.Intent
 import android.os.Bundle
-import android.util.Log
+import android.widget.Toast
 import androidx.appcompat.app.AppCompatActivity
 import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
@@ -14,6 +14,7 @@ import it.unisannio.ding.ids.wedroid.app.util.PreferenceReader
 import it.unisannio.ding.ids.wedroid.app.util.SharedPreferenceHelper
 import it.unisannio.ding.ids.wedroid.app.view.adapter.BoardsListAdapter
 import it.unisannio.ding.ids.wedroid.app.viewmodel.BoardsListViewModel
+import it.unisannio.ding.ids.wedroid.wrapper.entity.BoardBackgroundColor
 
 import kotlinx.android.synthetic.main.activity_boards_lists.*
 import kotlinx.android.synthetic.main.content_boards_lists.*
@@ -25,12 +26,12 @@ class BoardsListsActivity : AppCompatActivity() {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_boards_lists)
         setSupportActionBar(toolbar)
-
         val reader: PreferenceReader = SharedPreferenceHelper(this)
+
         if (reader.token == "")
             startActivityForResult(
                 Intent(this, LoginActivity::class.java),
-                LoginActivity.LOGIN_REQUEST_CODE
+                LOGIN_CODE
             )
         else initializeUi()
     }
@@ -42,19 +43,21 @@ class BoardsListsActivity : AppCompatActivity() {
         boardList.adapter = adapter
         boardList.layoutManager = LinearLayoutManager(this)
 
-        swipeLeftToDelete()
-
-        pullToRefresh.setColorSchemeColors(getColor(R.color.colorAccent))
-
         viewModel.allBoards.observe(this, Observer {
             it.let { adapter.setBoards(it) }
             pullToRefresh.isRefreshing = false
         })
 
+        swipeLeftToDelete()
+
         fab.setOnClickListener {
-            viewModel.insertBoard("New board")
+            startActivityForResult(
+                Intent(this, NewBoardActivity::class.java),
+                NEW_BOARD_CODE
+            )
         }
 
+        pullToRefresh.setColorSchemeColors(getColor(R.color.colorAccent))
         pullToRefresh.setOnRefreshListener {
             viewModel.refresh()
         }
@@ -85,15 +88,42 @@ class BoardsListsActivity : AppCompatActivity() {
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
         when (requestCode) {
-            LoginActivity.LOGIN_REQUEST_CODE -> {
-                when (resultCode) {
-                    LoginActivity.LOGIN_ERROR -> finish()
-                    LoginActivity.LOGIN_OK -> initializeUi()
+            LOGIN_CODE -> onLoginResult(resultCode)
+            NEW_BOARD_CODE -> if (data != null) onAddBoardResult(resultCode, data)
             else -> finish()
         }
     }
-            else -> finish()
-        }
-    }
-}
+
+    private fun onLoginResult(resultCode: Int) {
+        when (resultCode) {
+            LoginActivity.LOGIN_OK -> initializeUi()
+            LoginActivity.LOGIN_ERROR -> finish()
+            else -> finish()
+        }
+    }
+
+    private fun onAddBoardResult(resultCode: Int, data: Intent) {
+        if (resultCode != NewBoardActivity.RESULT_OK) {
+            Toast.makeText(this, R.string.on_add_new_board_error, Toast.LENGTH_LONG)
+                .show()
+            return
+        }
+
+        val title = data.getStringExtra(NewBoardActivity.BOARD_NAME)
+        if (title == null) {
+            Toast.makeText(this, R.string.on_null_new_board_name, Toast.LENGTH_LONG)
+                .show()
+            return
+        }
+
+        val isPrivate = data.getBooleanExtra(NewBoardActivity.BOARD_PRIVATE, true)
+
+        viewModel.insertBoard(title, isPrivate, BoardBackgroundColor.LIMEGREEN) //TODO
+    }
+
+    companion object {
+        const val NEW_BOARD_CODE = 17
+        const val LOGIN_CODE = 19
+    }
+}
 

app/src/main/java/it/unisannio/ding/ids/wedroid/app/view/LoginActivity.kt

@@ -2,7 +2,6 @@ package it.unisannio.ding.ids.wedroid.app.view
 
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
-import android.util.Log
 import android.view.View
 import android.widget.Toast
 import it.unisannio.ding.ids.wedroid.app.R
@@ -88,7 +87,6 @@ class LoginActivity : AppCompatActivity() {
     }
 
     companion object {
-        const val LOGIN_REQUEST_CODE = 13
         const val LOGIN_OK = 0
         const val LOGIN_ERROR = 1
     }

app/src/main/java/it/unisannio/ding/ids/wedroid/app/view/NewBoardActivity.java

@@ -0,0 +1,45 @@
+package it.unisannio.ding.ids.wedroid.app.view;
+
+import android.content.Intent;
+import android.os.Bundle;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
+
+import android.view.View;
+import android.widget.EditText;
+import android.widget.Switch;
+
+import it.unisannio.ding.ids.wedroid.app.R;
+
+public class NewBoardActivity extends AppCompatActivity {
+    private EditText boardName;
+    private Switch isPrivate;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_new_board);
+        Toolbar toolbar = findViewById(R.id.toolbar);
+        setSupportActionBar(toolbar);
+
+        boardName = findViewById(R.id.newBoardName);
+        isPrivate = findViewById(R.id.newBoardPermission);
+    }
+
+    public void onDone(View v) {
+        Intent data = new Intent();
+        data.putExtra(BOARD_NAME, boardName.getText().toString());
+        data.putExtra(BOARD_PRIVATE, isPrivate.isChecked());
+        setResult(RESULT_OK, data);
+        finish();
+    }
+
+    public void onCancel(View v) {
+        finish();
+    }
+
+    public static final int RESULT_OK = 17;
+    public static final String BOARD_NAME = "BOARD_NAME";
+    public static final String BOARD_PRIVATE = "BOARD_PRIVATE";
+}

app/src/main/java/it/unisannio/ding/ids/wedroid/app/viewmodel/BoardsListViewModel.java

@@ -3,7 +3,6 @@ package it.unisannio.ding.ids.wedroid.app.viewmodel;
 import android.app.Application;
 
 import androidx.annotation.NonNull;
-import androidx.core.app.SharedElementCallback;
 import androidx.lifecycle.AndroidViewModel;
 import androidx.lifecycle.LiveData;
 
@@ -15,6 +14,7 @@ import it.unisannio.ding.ids.wedroid.app.data.repository.BoardRepository;
 import it.unisannio.ding.ids.wedroid.app.util.PreferenceReader;
 import it.unisannio.ding.ids.wedroid.app.util.ServicesFactory;
 import it.unisannio.ding.ids.wedroid.app.util.SharedPreferenceHelper;
+import it.unisannio.ding.ids.wedroid.wrapper.entity.BoardBackgroundColor;
 
 public class BoardsListViewModel extends AndroidViewModel {
     private BoardRepository repository;
@@ -36,12 +36,15 @@ public class BoardsListViewModel extends AndroidViewModel {
         return allBoards;
     }
 
-    public void insertBoard(String title) {
-        repository.insertBoard(title);
+    public void insertBoard(String title, boolean isPrivate, BoardBackgroundColor color) {
+        repository.insertBoard(title, isPrivate, color);
     }
 
     public void deleteBoard(int position) {
-        repository.deleteBoard(allBoards.getValue().get(position).getId());
+        List<Board> boards = allBoards.getValue();
+
+        if (boards != null)
+            repository.deleteBoard(boards.get(position).getId());
     }
 
     public void refresh() {

app/src/main/res/layout/activity_new_board.xml

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".view.NewBoardActivity">
+
+    <com.google.android.material.appbar.AppBarLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:theme="@style/AppTheme.AppBarOverlay">
+
+        <androidx.appcompat.widget.Toolbar
+            android:id="@+id/toolbar"
+            android:layout_width="match_parent"
+            android:layout_height="?attr/actionBarSize"
+            android:background="?attr/colorPrimary"
+            app:popupTheme="@style/AppTheme.PopupOverlay" />
+
+    </com.google.android.material.appbar.AppBarLayout>
+
+    <include layout="@layout/content_new_board" />
+
+</androidx.coordinatorlayout.widget.CoordinatorLayout>

app/src/main/res/layout/content_new_board.xml

@@ -0,0 +1,62 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    app:layout_behavior="@string/appbar_scrolling_view_behavior"
+    tools:context=".view.NewBoardActivity"
+    tools:showIn="@layout/activity_new_board">
+
+    <EditText
+        android:id="@+id/newBoardName"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:ems="10"
+        android:hint="@string/new_board_name_field"
+        android:inputType="textPersonName"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.25"
+        android:importantForAutofill="no" />
+
+    <Switch
+        android:id="@+id/newBoardPermission"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:checked="true"
+        android:text="@string/new_board_switch"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="@+id/newBoardName"
+        app:layout_constraintStart_toStartOf="@+id/newBoardName"
+        app:layout_constraintTop_toBottomOf="@+id/newBoardName"
+        app:layout_constraintVertical_bias="0.1" />
+
+    <Button
+        android:id="@+id/newBoardDone"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:onClick="onDone"
+        android:text="@string/new_board_done_button"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toStartOf="@+id/newBoardPermission"
+        app:layout_constraintHorizontal_bias="1.0"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/newBoardPermission"
+        app:layout_constraintVertical_bias="0.40" />
+
+    <Button
+        android:id="@+id/newBoardCancel"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:onClick="onCancel"
+        android:text="@string/new_board_cancel_button"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.0"
+        app:layout_constraintStart_toEndOf="@+id/newBoardPermission"
+        app:layout_constraintTop_toBottomOf="@+id/newBoardPermission"
+        app:layout_constraintVertical_bias="0.40" />
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/values/strings.xml

@@ -1,5 +1,11 @@
 <resources>
     <string name="app_name">wedroid</string>
-    <string name="title_activity_boards_list">BoardsListActivity</string>
-    <string name="title_activity_boards_lists">Boards</string>
+    <string name="title_activity_boards_lists">BoardsListActivity</string>
+    <string name="title_activity_new_board">NewBoardActivity</string>
+    <string name="new_board_name_field">Board name</string>
+    <string name="new_board_switch">Private</string>
+    <string name="new_board_cancel_button">Cancel</string>
+    <string name="new_board_done_button">Done</string>
+    <string name="on_null_new_board_name">There was a problem with the name of the new board</string>
+    <string name="on_add_new_board_error">It was not possible to add a new board</string>
 </resources>

app/src/test/java/it/unisannio/ding/ids/wedroid/app/TestHelper.kt

@@ -0,0 +1,13 @@
+package it.unisannio.ding.ids.wedroid.app
+
+import kotlin.reflect.KClass
+import kotlin.reflect.KFunction
+import kotlin.reflect.full.declaredFunctions
+import kotlin.reflect.jvm.isAccessible
+
+fun getPrivateFun(name: String, kClass: KClass<*>): KFunction<*>? {
+    return kClass.declaredFunctions
+        .find { it.name == name }
+        .also { it?.isAccessible = true }
+}
+

app/src/test/java/it/unisannio/ding/ids/wedroid/app/data/repository/BoardRepositoryTest.kt

@@ -0,0 +1,318 @@
+package it.unisannio.ding.ids.wedroid.app.data.repository
+
+import android.util.Log
+import androidx.lifecycle.LiveData
+import io.mockk.*
+import it.unisannio.ding.ids.wedroid.app.data.dao.BoardDao
+import it.unisannio.ding.ids.wedroid.app.data.entity.Board
+import it.unisannio.ding.ids.wedroid.app.getPrivateFun
+import it.unisannio.ding.ids.wedroid.app.util.PreferenceReader
+import it.unisannio.ding.ids.wedroid.wrapper.api.BoardService
+import junit.framework.TestCase.*
+import kotlinx.coroutines.*
+import okhttp3.mockwebserver.MockWebServer
+import org.junit.After
+import org.junit.Before
+import org.junit.Test
+import retrofit2.Response
+import retrofit2.Retrofit
+import retrofit2.converter.gson.GsonConverterFactory
+import kotlin.reflect.full.callSuspend
+
+class BoardRepositoryTest {
+    private val reader = mockk<PreferenceReader>()
+    private val webServer = MockWebServer()
+    private lateinit var service: BoardService
+
+    @Before
+    fun setUp() {
+        webServer.start()
+        service = Retrofit.Builder()
+            .baseUrl(webServer.url("/"))
+            .addConverterFactory(GsonConverterFactory.create())
+            .build()
+            .create(BoardService::class.java)
+
+        mockkStatic(Log::class)
+        every { reader.userId } returns "user id"
+        every { Log.e(any(), any()) } returns 0
+    }
+
+    @After
+    fun teardown() {
+        webServer.close()
+    }
+
+    @Test
+    fun addNewBoardsToDb() {
+        val dao = mockk<BoardDao>()
+        var count = 0
+
+        coEvery {
+            dao.insert(any())
+        } answers {
+            count++
+        }
+
+        val addNewBoardToDb = getPrivateFun(
+            "addNewBoardToDb", BoardRepository::class
+        )
+
+        val repository = BoardRepository(
+            dao, service, reader
+        )
+
+        val board0 = Board("id0", "title0")
+        val board1 = Board("id1", "title1")
+        val board2 = Board("id2", "title2")
+
+        runBlocking {
+            addNewBoardToDb?.callSuspend(
+                repository,
+                listOf(board0, board1, board2)
+            )
+        }
+
+        coVerifyAll {
+            dao.insert(board0)
+            dao.insert(board1)
+            dao.insert(board2)
+        }
+
+        assertEquals(3, count)
+    }
+
+    @Test
+    fun insertBoardCallbackSuccess() {
+        val dao = mockk<BoardDao>()
+        val response =
+            mockk<Response<it.unisannio.ding.ids.wedroid.wrapper.entity.Board>>()
+        val board = mockk<it.unisannio.ding.ids.wedroid.wrapper.entity.Board>()
+
+        every { response.isSuccessful } returns true
+        every { response.body() } returns board
+        every { board.id } returns "id"
+        coEvery { dao.insert(any()) } answers {}
+
+        val insertBoard = getPrivateFun(
+            "insertBoardCallback", BoardRepository::class
+        )
+
+        val repository = BoardRepository(
+            dao, service, reader
+        )
+
+        runBlocking {
+            insertBoard?.callSuspend(
+                repository,
+                response,
+                "title"
+            )
+        }
+
+        coVerify { dao.insert(Board("id", "title")) }
+    }
+
+    @Test
+    fun insertBoardCallbackEmptyBody() {
+        val dao = mockk<BoardDao>()
+        val response =
+            mockk<Response<it.unisannio.ding.ids.wedroid.wrapper.entity.Board>>()
+
+        every { response.isSuccessful } returns true
+        every { response.body() } returns null
+
+        val insertBoard = getPrivateFun(
+            "insertBoardCallback", BoardRepository::class
+        )
+
+        val repository = BoardRepository(
+            dao, service, reader
+        )
+
+        runBlocking {
+            insertBoard?.callSuspend(
+                repository,
+                response,
+                "title"
+            )
+        }
+
+        verify { Log.e("RETROFIT", "empty body") }
+    }
+
+    @Test
+    fun insertBoardCallbackError() {
+        val dao = mockk<BoardDao>()
+        val response =
+            mockk<Response<it.unisannio.ding.ids.wedroid.wrapper.entity.Board>>()
+
+        every { response.isSuccessful } returns false
+        every { response.code() } returns 400
+        every { response.message() } returns "Error"
+
+        val insertBoard = getPrivateFun(
+            "insertBoardCallback", BoardRepository::class
+        )
+
+        val repository = BoardRepository(
+            dao, service, reader
+        )
+
+        runBlocking {
+            insertBoard?.callSuspend(
+                repository,
+                response,
+                "title"
+            )
+        }
+
+        verify { Log.e("RETROFIT", "400 Error") }
+    }
+
+    @Test
+    fun deleteBoardCallbackSuccess() {
+        val dao = mockk<BoardDao>()
+        val response =
+            mockk<Response<Void>>()
+
+        every { response.isSuccessful } returns true
+        coEvery { dao.delete(any()) } answers {}
+
+        val deleteBoard = getPrivateFun(
+            "deleteBoardCallback", BoardRepository::class
+        )
+
+        val repository = BoardRepository(
+            dao, service, reader
+        )
+
+        runBlocking {
+            deleteBoard?.callSuspend(
+                repository,
+                response,
+                "id"
+            )
+        }
+
+        coVerify { dao.delete(Board("id")) }
+    }
+
+    @Test
+    fun deleteBoardCallbackError() {
+        val dao = mockk<BoardDao>()
+        val response =
+            mockk<Response<Void>>()
+
+        every { response.isSuccessful } returns false
+        every { response.code() } returns 400
+        every { response.message() } returns "Error"
+
+        val deleteBoard = getPrivateFun(
+            "deleteBoardCallback", BoardRepository::class
+        )
+
+        val repository = BoardRepository(
+            dao, service, reader
+        )
+
+        runBlocking {
+            deleteBoard?.callSuspend(
+                repository,
+                response,
+                "id"
+            )
+        }
+
+        verify { Log.e("RETROFIT", "400 Error") }
+    }
+
+    @Test
+    fun deleteOldBoardFromDb() {
+        val dao = mockk<BoardDao>()
+        val dbBoards = mockk<LiveData<List<Board>>>()
+
+        val board0 = Board("id0", "title0")
+        val board1 = Board("id1", "title1")
+        val board2 = Board("id2", "title2")
+        val board3 = Board("id2", "title3")
+
+        every { dbBoards.value } returns listOf(
+            board0, board1, board2, board3
+        )
+        coEvery { dao.getAllBoard() } returns dbBoards
+        coEvery { dao.delete(any()) } answers {}
+
+        val removeOldBoards = getPrivateFun(
+            "removeOldBoardsFromDb", BoardRepository::class
+        )
+
+        val repository = BoardRepository(
+            dao, service, reader
+        )
+
+        runBlocking {
+            removeOldBoards?.callSuspend(
+                repository,
+                listOf(
+                    board0, board1, board3
+                )
+            )
+        }
+
+        coVerify { dao.delete(board2) }
+    }
+
+    @Test
+    fun synchronizeCallbackError() {
+        val dao = mockk<BoardDao>()
+        val response =
+            mockk<Response<MutableList<it.unisannio.ding.ids.wedroid.wrapper.entity.Board>>>()
+
+        every { response.isSuccessful } returns false
+        every { response.code() } returns 400
+        every { response.message() } returns "Error"
+
+        val synchronize = getPrivateFun(
+            "synchronizeCallback", BoardRepository::class
+        )
+
+        val repository = BoardRepository(
+            dao, service, reader
+        )
+
+        runBlocking {
+            synchronize?.callSuspend(
+                repository,
+                response
+            )
+        }
+
+        verify { Log.e("RETROFIT", "400 Error") }
+    }
+
+    @Test
+    fun synchronizeCallbackEmptyBody() {
+        val dao = mockk<BoardDao>()
+        val response =
+            mockk<Response<MutableList<it.unisannio.ding.ids.wedroid.wrapper.entity.Board>>>()
+
+        every { response.isSuccessful } returns true
+        every { response.body() } returns null
+
+        val synchronize = getPrivateFun(
+            "synchronizeCallback", BoardRepository::class
+        )
+
+        val repository = BoardRepository(
+            dao, service, reader
+        )
+
+        runBlocking {
+            synchronize?.callSuspend(
+                repository,
+                response
+            )
+        }
+    }
+}