Removed butterknife from contributions list fragment (#5396)

* Removed butterknife from contributions list fragment and overhauled its test

* Suggested fix from stack overflow to remove duplicate class error during build

.gitignore

@@ -43,3 +43,7 @@ app/src/main/jniLibs
 #https://docs.opencv.org/3.3.0/
 /libraries/opencv/javadoc/
 captures/*
+
+# Test and other output
+app/jacoco.exec
+app/CommonsContributions

app/build.gradle

@@ -75,20 +75,22 @@ dependencies {
     kapt "com.google.dagger:dagger-compiler:$DAGGER_VERSION"
     annotationProcessor "com.google.dagger:dagger-android-processor:$DAGGER_VERSION"
 
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$KOTLIN_VERSION"
     implementation "org.jetbrains.kotlin:kotlin-reflect:$KOTLIN_VERSION"
 
     //Mocking
     testImplementation 'com.nhaarman.mockitokotlin2:mockito-kotlin:2.2.0'
     testImplementation 'org.mockito:mockito-inline:5.2.0'
-    testImplementation 'org.mockito:mockito-core:5.5.0'
+    testImplementation 'org.mockito:mockito-core:5.6.0'
     testImplementation "org.powermock:powermock-module-junit4:2.0.9"
     testImplementation "org.powermock:powermock-api-mockito2:2.0.9"
 
     // Unit testing
     testImplementation 'junit:junit:4.13.2'
-    testImplementation 'org.robolectric:robolectric:4.10.3'
+    testImplementation 'org.robolectric:robolectric:4.11.1'
     testImplementation 'androidx.test:core:1.5.0'
+    testImplementation "androidx.test:runner:1.5.2"
+    testImplementation 'androidx.test.ext:junit:1.1.5'
+    testImplementation "androidx.test:rules:1.5.0"
     testImplementation "com.squareup.okhttp3:mockwebserver:$OKHTTP_VERSION"
     testImplementation "com.jraska.livedata:testing-ktx:1.1.2"
     testImplementation "androidx.arch.core:core-testing:2.2.0"
@@ -96,9 +98,9 @@ dependencies {
     testRuntimeOnly "org.junit.jupiter:junit-jupiter-engine:5.10.0"
     testImplementation 'com.facebook.soloader:soloader:0.10.5'
     testImplementation "org.jetbrains.kotlinx:kotlinx-coroutines-test:1.7.3"
+    debugImplementation("androidx.fragment:fragment-testing:1.6.2")
 
     // Android testing
-    androidTestImplementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$KOTLIN_VERSION"
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.0-alpha04'
     androidTestImplementation 'androidx.test.espresso:espresso-intents:3.4.0'
     androidTestImplementation 'androidx.test.espresso:espresso-contrib:3.5.0-alpha04'
@@ -158,6 +160,15 @@ dependencies {
     kaptAndroidTest "androidx.databinding:databinding-compiler:8.0.2"
 
     implementation("io.github.coordinates2country:coordinates2country-android:1.3") {  exclude group: 'com.google.android', module: 'android' }
+
+    constraints {
+        implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.8.0") {
+            because("kotlin-stdlib-jdk7 is now a part of kotlin-stdlib")
+        }
+        implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.8.0") {
+            because("kotlin-stdlib-jdk8 is now a part of kotlin-stdlib")
+        }
+    }
 }
 
 task disableAnimations(type: Exec) {
@@ -206,8 +217,10 @@ android {
     testOptions {
         animationsDisabled true
 
-        unitTests.returnDefaultValues = true
+        unitTests {
-        unitTests.includeAndroidResources = true
+            returnDefaultValues = true
+            includeAndroidResources = true
+        }
 
         unitTests.all {
             jvmArgs '-noverify'

app/src/main/java/fr/free/nrw/commons/contributions/ContributionsListFragment.java

@@ -24,6 +24,7 @@ import androidx.activity.result.ActivityResultLauncher;
 import androidx.activity.result.contract.ActivityResultContracts;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
+import androidx.annotation.VisibleForTesting;
 import androidx.appcompat.widget.AppCompatTextView;
 import androidx.fragment.app.FragmentManager;
 import androidx.recyclerview.widget.GridLayoutManager;
@@ -32,15 +33,13 @@ import androidx.recyclerview.widget.RecyclerView.AdapterDataObserver;
 import androidx.recyclerview.widget.RecyclerView.ItemAnimator;
 import androidx.recyclerview.widget.RecyclerView.OnItemTouchListener;
 import androidx.recyclerview.widget.SimpleItemAnimator;
-import butterknife.BindView;
-import butterknife.ButterKnife;
-import butterknife.OnClick;
 import com.google.android.material.floatingactionbutton.FloatingActionButton;
 import fr.free.nrw.commons.CommonsApplication;
 import fr.free.nrw.commons.Media;
 import fr.free.nrw.commons.R;
 import fr.free.nrw.commons.Utils;
 import fr.free.nrw.commons.auth.SessionManager;
+import fr.free.nrw.commons.databinding.FragmentContributionsListBinding;
 import fr.free.nrw.commons.di.CommonsDaggerSupportFragment;
 import fr.free.nrw.commons.media.MediaClient;
 import fr.free.nrw.commons.profile.ProfileActivity;
@@ -66,61 +65,43 @@ public class ContributionsListFragment extends CommonsDaggerSupportFragment impl
 
     private static final String RV_STATE = "rv_scroll_state";
 
-    @BindView(R.id.contributionsList)
-    RecyclerView rvContributionsList;
-    @BindView(R.id.loadingContributionsProgressBar)
-    ProgressBar progressBar;
-    @BindView(R.id.fab_plus)
-    FloatingActionButton fabPlus;
-    @BindView(R.id.fab_camera)
-    FloatingActionButton fabCamera;
-    @BindView(R.id.fab_gallery)
-    FloatingActionButton fabGallery;
-    @BindView(R.id.noContributionsYet)
-    TextView noContributionsYet;
-    @BindView(R.id.fab_layout)
-    LinearLayout fab_layout;
-    @BindView(R.id.fab_custom_gallery)
-    FloatingActionButton fabCustomGallery;
-
     @Inject
     SystemThemeUtils systemThemeUtils;
-    @BindView(R.id.tv_contributions_of_user)
-    AppCompatTextView tvContributionsOfUser;
-
     @Inject
     ContributionController controller;
     @Inject
     MediaClient mediaClient;
-
     @Named(NAMED_LANGUAGE_WIKI_PEDIA_WIKI_SITE)
     @Inject
     WikiSite languageWikipediaSite;
-
     @Inject
     ContributionsListPresenter contributionsListPresenter;
-
     @Inject
     SessionManager sessionManager;
 
+    private FragmentContributionsListBinding binding;
     private Animation fab_close;
     private Animation fab_open;
     private Animation rotate_forward;
     private Animation rotate_backward;
-
-
     private boolean isFabOpen;
 
-    private ContributionsListAdapter adapter;
+    @VisibleForTesting
+    protected RecyclerView rvContributionsList;
+
+    @VisibleForTesting
+    protected ContributionsListAdapter adapter;
 
     @Nullable
-    private Callback callback;
+    @VisibleForTesting
+    protected Callback callback;
 
     private final int SPAN_COUNT_LANDSCAPE = 3;
     private final int SPAN_COUNT_PORTRAIT = 1;
 
     private int contributionsSize;
-    String userName;
+    private String userName;
+
     private ActivityResultLauncher<String[]> inAppCameraLocationPermissionLauncher = registerForActivityResult(new ActivityResultContracts.RequestMultiplePermissions(), new ActivityResultCallback<Map<String, Boolean>>() {
         @Override
         public void onActivityResult(Map<String, Boolean> result) {
@@ -162,21 +143,32 @@ public class ContributionsListFragment extends CommonsDaggerSupportFragment impl
     public View onCreateView(
         final LayoutInflater inflater, @Nullable final ViewGroup container,
         @Nullable final Bundle savedInstanceState) {
-        final View view = inflater.inflate(R.layout.fragment_contributions_list, container, false);
+        binding = FragmentContributionsListBinding.inflate(
-        ButterKnife.bind(this, view);
+            inflater, container, false
+        );
+        rvContributionsList = binding.contributionsList;
+
         contributionsListPresenter.onAttachView(this);
+        binding.fabCustomGallery.setOnClickListener(v -> launchCustomSelector());
 
         if (Objects.equals(sessionManager.getUserName(), userName)) {
-            tvContributionsOfUser.setVisibility(GONE);
+            binding.tvContributionsOfUser.setVisibility(GONE);
-            fab_layout.setVisibility(VISIBLE);
+            binding.fabLayout.setVisibility(VISIBLE);
         } else {
-            tvContributionsOfUser.setVisibility(VISIBLE);
+            binding.tvContributionsOfUser.setVisibility(VISIBLE);
-            tvContributionsOfUser.setText(getString(R.string.contributions_of_user, userName));
+            binding.tvContributionsOfUser.setText(getString(R.string.contributions_of_user, userName));
-            fab_layout.setVisibility(GONE);
+            binding.fabLayout.setVisibility(GONE);
         }
 
         initAdapter();
-        return view;
+
+        return binding.getRoot();
+    }
+
+    @Override
+    public void onDestroyView() {
+        binding = null;
+        super.onDestroyView();
     }
 
     @Override
@@ -309,7 +301,7 @@ public class ContributionsListFragment extends CommonsDaggerSupportFragment impl
     public void onConfigurationChanged(final Configuration newConfig) {
         super.onConfigurationChanged(newConfig);
         // check orientation
-        fab_layout.setOrientation(newConfig.orientation == Configuration.ORIENTATION_LANDSCAPE ?
+        binding.fabLayout.setOrientation(newConfig.orientation == Configuration.ORIENTATION_LANDSCAPE ?
             LinearLayout.HORIZONTAL : LinearLayout.VERTICAL);
         rvContributionsList
             .setLayoutManager(
@@ -324,12 +316,12 @@ public class ContributionsListFragment extends CommonsDaggerSupportFragment impl
     }
 
     private void setListeners() {
-        fabPlus.setOnClickListener(view -> animateFAB(isFabOpen));
+        binding.fabPlus.setOnClickListener(view -> animateFAB(isFabOpen));
-        fabCamera.setOnClickListener(view -> {
+        binding.fabCamera.setOnClickListener(view -> {
             controller.initiateCameraPick(getActivity(), inAppCameraLocationPermissionLauncher);
             animateFAB(isFabOpen);
         });
-        fabGallery.setOnClickListener(view -> {
+        binding.fabGallery.setOnClickListener(view -> {
             controller.initiateGalleryPick(getActivity(), true);
             animateFAB(isFabOpen);
         });
@@ -338,8 +330,7 @@ public class ContributionsListFragment extends CommonsDaggerSupportFragment impl
     /**
      * Launch Custom Selector.
      */
-    @OnClick(R.id.fab_custom_gallery)
+    protected void launchCustomSelector() {
-    void launchCustomSelector() {
         controller.initiateCustomGalleryPickWithPermission(getActivity());
         animateFAB(isFabOpen);
     }
@@ -350,23 +341,23 @@ public class ContributionsListFragment extends CommonsDaggerSupportFragment impl
 
     private void animateFAB(final boolean isFabOpen) {
         this.isFabOpen = !isFabOpen;
-        if (fabPlus.isShown()) {
+        if (binding.fabPlus.isShown()) {
             if (isFabOpen) {
-                fabPlus.startAnimation(rotate_backward);
+                binding.fabPlus.startAnimation(rotate_backward);
-                fabCamera.startAnimation(fab_close);
+                binding.fabCamera.startAnimation(fab_close);
-                fabGallery.startAnimation(fab_close);
+                binding.fabGallery.startAnimation(fab_close);
-                fabCustomGallery.startAnimation(fab_close);
+                binding.fabCustomGallery.startAnimation(fab_close);
-                fabCamera.hide();
+                binding.fabCamera.hide();
-                fabGallery.hide();
+                binding.fabGallery.hide();
-                fabCustomGallery.hide();
+                binding.fabCustomGallery.hide();
             } else {
-                fabPlus.startAnimation(rotate_forward);
+                binding.fabPlus.startAnimation(rotate_forward);
-                fabCamera.startAnimation(fab_open);
+                binding.fabCamera.startAnimation(fab_open);
-                fabGallery.startAnimation(fab_open);
+                binding.fabGallery.startAnimation(fab_open);
-                fabCustomGallery.startAnimation(fab_open);
+                binding.fabCustomGallery.startAnimation(fab_open);
-                fabCamera.show();
+                binding.fabCamera.show();
-                fabGallery.show();
+                binding.fabGallery.show();
-                fabCustomGallery.show();
+                binding.fabCustomGallery.show();
             }
             this.isFabOpen = !isFabOpen;
         }
@@ -377,7 +368,7 @@ public class ContributionsListFragment extends CommonsDaggerSupportFragment impl
      */
     @Override
     public void showWelcomeTip(final boolean shouldShow) {
-        noContributionsYet.setVisibility(shouldShow ? VISIBLE : GONE);
+        binding.noContributionsYet.setVisibility(shouldShow ? VISIBLE : GONE);
     }
 
     /**
@@ -387,12 +378,12 @@ public class ContributionsListFragment extends CommonsDaggerSupportFragment impl
      */
     @Override
     public void showProgress(final boolean shouldShow) {
-        progressBar.setVisibility(shouldShow ? VISIBLE : GONE);
+        binding.loadingContributionsProgressBar.setVisibility(shouldShow ? VISIBLE : GONE);
     }
 
     @Override
     public void showNoContributionsUI(final boolean shouldShow) {
-        noContributionsYet.setVisibility(shouldShow ? VISIBLE : GONE);
+        binding.noContributionsYet.setVisibility(shouldShow ? VISIBLE : GONE);
     }
 
     @Override

app/src/test/kotlin/fr/free/nrw/commons/contributions/ContributionsListFragmentUnitTests.kt

@@ -1,18 +1,11 @@
 package fr.free.nrw.commons.contributions
 
-import android.content.Context
 import android.content.res.Configuration
-import android.os.Bundle
 import android.os.Looper
-import android.view.LayoutInflater
+import androidx.fragment.app.testing.FragmentScenario
-import android.widget.LinearLayout
+import androidx.fragment.app.testing.launchFragmentInContainer
-import android.widget.ProgressBar
+import androidx.lifecycle.Lifecycle
-import android.widget.TextView
+import androidx.test.ext.junit.runners.AndroidJUnit4
-import androidx.fragment.app.FragmentManager
-import androidx.fragment.app.FragmentTransaction
-import androidx.recyclerview.widget.GridLayoutManager
-import androidx.recyclerview.widget.RecyclerView
-import androidx.test.core.app.ApplicationProvider
 import com.google.android.material.floatingactionbutton.FloatingActionButton
 import fr.free.nrw.commons.Media
 import fr.free.nrw.commons.TestAppAdapter
@@ -23,113 +16,48 @@ import org.junit.Before
 import org.junit.Test
 import org.junit.runner.RunWith
 import org.mockito.ArgumentMatchers.anyInt
-import org.mockito.Mock
 import org.mockito.Mockito.verify
 import org.mockito.Mockito.`when`
-import org.mockito.MockitoAnnotations
-import org.powermock.reflect.Whitebox
-import org.robolectric.Robolectric
-import org.robolectric.RobolectricTestRunner
 import org.robolectric.Shadows
 import org.robolectric.annotation.Config
 import org.robolectric.annotation.LooperMode
 import org.wikipedia.AppAdapter
 import java.lang.reflect.Method
+import fr.free.nrw.commons.R
+import org.mockito.Mockito.mock
 
-@RunWith(RobolectricTestRunner::class)
+@RunWith(AndroidJUnit4::class)
 @Config(sdk = [21], application = TestCommonsApplication::class)
 @LooperMode(LooperMode.Mode.PAUSED)
 class ContributionsListFragmentUnitTests {
 
-    private lateinit var activity: MainActivity
+    private lateinit var scenario: FragmentScenario<ContributionsListFragment>
     private lateinit var fragment: ContributionsListFragment
-    private lateinit var context: Context
-    private lateinit var layoutInflater: LayoutInflater
 
-    @Mock
+    private val adapter: ContributionsListAdapter = mock()
-    private lateinit var savedInstanceState: Bundle
+    private val contribution: Contribution = mock()
-
+    private val media: Media = mock()
-    @Mock
+    private val wikidataPlace: WikidataPlace = mock()
-    private lateinit var rvContributionsList: RecyclerView
-
-    @Mock
-    private lateinit var adapter: ContributionsListAdapter
-
-    @Mock
-    private lateinit var contribution: Contribution
-
-    @Mock
-    private lateinit var media: Media
-
-    @Mock
-    private lateinit var wikidataPlace: WikidataPlace
-
-    @Mock
-    private lateinit var callback: ContributionsListFragment.Callback
-
-    @Mock
-    private lateinit var layoutManager: RecyclerView.LayoutManager
-
-    @Mock
-    private lateinit var gridLayoutManager: GridLayoutManager
-
-    @Mock
-    private lateinit var noContributionsYet: TextView
-
-    @Mock
-    private lateinit var progressBar: ProgressBar
-
-    @Mock
-    private lateinit var fabPlus: FloatingActionButton
-
-    @Mock
-    private lateinit var fabCamera: FloatingActionButton
-
-    @Mock
-    private lateinit var fabGallery: FloatingActionButton
-
-    @Mock
-    private lateinit var fabCustomGallery: FloatingActionButton
-
-    @Mock
-    private lateinit var newConfig: Configuration
-
-    @Mock
-    private lateinit var fabLayout: LinearLayout
-
-    @Mock
-    private lateinit var contributionsListPresenter: ContributionsListPresenter
 
     @Before
     fun setUp() {
-        MockitoAnnotations.initMocks(this)
         AppAdapter.set(TestAppAdapter())
 
-        context = ApplicationProvider.getApplicationContext()
+        scenario = launchFragmentInContainer(
-        activity = Robolectric.buildActivity(MainActivity::class.java).create().get()
+            initialState = Lifecycle.State.RESUMED,
-        layoutInflater = LayoutInflater.from(activity)
+            themeResId = R.style.LightAppTheme
+        ) {
+            ContributionsListFragment().apply {
+                contributionsListPresenter = mock()
+                callback = mock()
+            }.also {
+                fragment = it
+            }
+        }
 
-        fragment = ContributionsListFragment()
+        scenario.onFragment {
-        val fragmentManager: FragmentManager = activity.supportFragmentManager
+            it.adapter = adapter
-        val fragmentTransaction: FragmentTransaction = fragmentManager.beginTransaction()
+        }
-        fragmentTransaction.add(fragment, null)
-        fragmentTransaction.commit()
-
-        Whitebox.setInternalState(fragment, "rvContributionsList", rvContributionsList)
-        Whitebox.setInternalState(fragment, "adapter", adapter)
-        Whitebox.setInternalState(fragment, "callback", callback)
-        Whitebox.setInternalState(fragment, "noContributionsYet", noContributionsYet)
-        Whitebox.setInternalState(fragment, "progressBar", progressBar)
-        Whitebox.setInternalState(fragment, "fabPlus", fabPlus)
-        Whitebox.setInternalState(fragment, "fabCamera", fabCamera)
-        Whitebox.setInternalState(fragment, "fabGallery", fabGallery)
-        Whitebox.setInternalState(fragment, "fabCustomGallery", fabCustomGallery)
-        Whitebox.setInternalState(fragment, "fab_layout", fabLayout)
-        Whitebox.setInternalState(
-            fragment,
-            "contributionsListPresenter",
-            contributionsListPresenter
-        )
     }
 
     @Test
@@ -139,13 +67,6 @@ class ContributionsListFragmentUnitTests {
         Assert.assertNotNull(fragment)
     }
 
-    @Test
-    @Throws(Exception::class)
-    fun testOnCreateView() {
-        Shadows.shadowOf(Looper.getMainLooper()).idle()
-        fragment.onCreateView(layoutInflater, null, savedInstanceState)
-    }
-
     @Test
     @Throws(Exception::class)
     fun testOnDetach() {
@@ -165,8 +86,9 @@ class ContributionsListFragmentUnitTests {
     @Throws(Exception::class)
     fun testOnScrollToTop() {
         Shadows.shadowOf(Looper.getMainLooper()).idle()
+        fragment.rvContributionsList = mock()
         fragment.scrollToTop()
-        verify(rvContributionsList).smoothScrollToPosition(0)
+        verify(fragment.rvContributionsList).smoothScrollToPosition(0)
     }
 
     @Test
@@ -261,16 +183,14 @@ class ContributionsListFragmentUnitTests {
     @Throws(Exception::class)
     fun testOnViewStateRestored() {
         Shadows.shadowOf(Looper.getMainLooper()).idle()
-        `when`(rvContributionsList.layoutManager).thenReturn(layoutManager)
+        fragment.onViewStateRestored(mock())
-        fragment.onViewStateRestored(savedInstanceState)
     }
 
     @Test
     @Throws(Exception::class)
     fun testOnSaveInstanceState() {
         Shadows.shadowOf(Looper.getMainLooper()).idle()
-        `when`(rvContributionsList.layoutManager).thenReturn(gridLayoutManager)
+        fragment.onSaveInstanceState(mock())
-        fragment.onSaveInstanceState(savedInstanceState)
     }
 
     @Test
@@ -298,7 +218,9 @@ class ContributionsListFragmentUnitTests {
     @Throws(Exception::class)
     fun testAnimateFAB() {
         Shadows.shadowOf(Looper.getMainLooper()).idle()
-        `when`(fabPlus.isShown).thenReturn(false)
+        scenario.onFragment {
+            it.requireView().findViewById<FloatingActionButton>(R.id.fab_plus).hide()
+        }
         val method: Method = ContributionsListFragment::class.java.getDeclaredMethod(
             "animateFAB",
             Boolean::class.java
@@ -311,7 +233,9 @@ class ContributionsListFragmentUnitTests {
     @Throws(Exception::class)
     fun testAnimateFABCaseShownAndOpen() {
         Shadows.shadowOf(Looper.getMainLooper()).idle()
-        `when`(fabPlus.isShown).thenReturn(true)
+        scenario.onFragment {
+            it.requireView().findViewById<FloatingActionButton>(R.id.fab_plus).show()
+        }
         val method: Method = ContributionsListFragment::class.java.getDeclaredMethod(
             "animateFAB",
             Boolean::class.java
@@ -324,7 +248,9 @@ class ContributionsListFragmentUnitTests {
     @Throws(Exception::class)
     fun testAnimateFABCaseShownAndClose() {
         Shadows.shadowOf(Looper.getMainLooper()).idle()
-        `when`(fabPlus.isShown).thenReturn(true)
+        scenario.onFragment {
+            it.requireView().findViewById<FloatingActionButton>(R.id.fab_plus).show()
+        }
         val method: Method = ContributionsListFragment::class.java.getDeclaredMethod(
             "animateFAB",
             Boolean::class.java
@@ -359,8 +285,8 @@ class ContributionsListFragmentUnitTests {
     @Throws(Exception::class)
     fun testOnConfigurationChanged() {
         Shadows.shadowOf(Looper.getMainLooper()).idle()
+        val newConfig: Configuration = mock()
         newConfig.orientation = Configuration.ORIENTATION_LANDSCAPE
         fragment.onConfigurationChanged(newConfig)
     }
-
 }

data-client/build.gradle

@@ -78,7 +78,6 @@ dependencies {
     implementation "io.reactivex.rxjava2:rxjava:2.2.3"
     implementation "io.reactivex.rxjava2:rxandroid:2.1.0"
     implementation 'org.apache.commons:commons-lang3:3.8.1'
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
 
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
 
@@ -88,6 +87,15 @@ dependencies {
     testImplementation 'org.hamcrest:hamcrest-junit:2.0.0.0'
     testImplementation "com.squareup.okhttp3:mockwebserver:4.10.0"
     testImplementation "commons-io:commons-io:2.6"
+
+    constraints {
+        implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.8.0") {
+            because("kotlin-stdlib-jdk7 is now a part of kotlin-stdlib")
+        }
+        implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.8.0") {
+            because("kotlin-stdlib-jdk8 is now a part of kotlin-stdlib")
+        }
+    }
 }
 
 repositories {