Use androidx.test artifacts for tests not just androidTests

- this allows replacing deprecated RuntimeEnvironment.application

app/build.gradle

@@ -169,21 +169,18 @@ dependencies {
     fullImplementation 'org.nanohttpd:nanohttpd:2.3.1'
 
     testImplementation 'org.robolectric:robolectric:4.3'
-    testImplementation 'androidx.test:monitor:1.1.1'
+    testImplementation 'junit:junit:4.12'
     testImplementation 'org.bouncycastle:bcprov-jdk15on:1.60'
-    testImplementation 'junit:junit:4.13'
-    testImplementation 'org.hamcrest:hamcrest:2.2'
     testImplementation 'org.mockito:mockito-core:2.7.22'
 
-
-    androidTestImplementation 'androidx.test:core:1.2.0'
-    androidTestImplementation 'androidx.test:runner:1.2.0'
-    androidTestImplementation 'androidx.test:rules:1.2.0'
+    testImplementation 'androidx.test:core:1.2.0'
+    testImplementation 'androidx.test:runner:1.2.0'
+    testImplementation 'androidx.test:rules:1.2.0'
+    testImplementation 'androidx.test:monitor:1.2.0'
+    testImplementation 'androidx.test.ext:junit:1.1.1'
 
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
     androidTestImplementation 'androidx.test.uiautomator:uiautomator:2.2.0'
-    androidTestImplementation 'androidx.annotation:annotation:1.1.0'
 }
 
 checkstyle {

app/src/test/java/org/fdroid/fdroid/PreferencesTest.java

@@ -21,6 +21,8 @@ package org.fdroid.fdroid;
 import android.content.Context;
 import android.content.SharedPreferences;
 import androidx.preference.PreferenceManager;
+import androidx.test.core.app.ApplicationProvider;
+
 import android.util.Log;
 import org.junit.Before;
 import org.junit.Test;
@@ -39,7 +41,7 @@ import static org.junit.Assert.assertTrue;
 public class PreferencesTest {
     private static final String TAG = "PreferencesTest";
 
-    private static final Context CONTEXT = RuntimeEnvironment.application;
+    private static final Context CONTEXT = ApplicationProvider.getApplicationContext();
 
     private SharedPreferences defaults;
 

app/src/test/java/org/fdroid/fdroid/TestUtils.java

@@ -8,6 +8,8 @@ import android.content.ContextWrapper;
 import android.content.pm.ProviderInfo;
 import android.net.Uri;
 
+import androidx.test.core.app.ApplicationProvider;
+
 import org.fdroid.fdroid.data.Apk;
 import org.fdroid.fdroid.data.ApkProvider;
 import org.fdroid.fdroid.data.App;
@@ -158,7 +160,7 @@ public class TestUtils {
      */
     public static ContextWrapper createContextWithContentResolver(ContentResolver contentResolver) {
         final ContentResolver resolver = mock(ContentResolver.class, AdditionalAnswers.delegatesTo(contentResolver));
-        return new ContextWrapper(RuntimeEnvironment.application.getApplicationContext()) {
+        return new ContextWrapper(ApplicationProvider.getApplicationContext()) {
             @Override
             public ContentResolver getContentResolver() {
                 return resolver;

app/src/test/java/org/fdroid/fdroid/UtilsTest.java

@@ -2,6 +2,9 @@
 package org.fdroid.fdroid;
 
 import android.content.Context;
+
+import androidx.test.core.app.ApplicationProvider;
+
 import org.fdroid.fdroid.views.AppDetailsRecyclerViewAdapter;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -85,7 +88,7 @@ public class UtilsTest {
 
     @Test
     public void testFormatFingerprint() {
-        Context context = RuntimeEnvironment.application;
+        Context context = ApplicationProvider.getApplicationContext();
         String badResult = Utils.formatFingerprint(context, "");
         // real fingerprints
         String formatted;

app/src/test/java/org/fdroid/fdroid/data/DBHelperTest.java

@@ -1,10 +1,11 @@
 package org.fdroid.fdroid.data;
 
 import android.content.Context;
-import androidx.test.platform.app.InstrumentationRegistry;
 import android.text.TextUtils;
 import android.util.Log;
 
+import androidx.test.core.app.ApplicationProvider;
+
 import org.apache.commons.io.IOUtils;
 import org.fdroid.fdroid.R;
 import org.fdroid.fdroid.TestUtils;
@@ -12,7 +13,6 @@ import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.robolectric.RobolectricTestRunner;
-import org.robolectric.RuntimeEnvironment;
 import org.xmlpull.v1.XmlPullParserException;
 
 import java.io.File;
@@ -47,7 +47,7 @@ public class DBHelperTest {
 
     @Before
     public final void setupBase() {
-        context = RuntimeEnvironment.application.getApplicationContext();
+        context = ApplicationProvider.getApplicationContext();
     }
 
     @Test

app/src/test/java/org/fdroid/fdroid/data/DatabaseMigration.java

@@ -7,6 +7,9 @@ import android.content.Context;
 import android.content.ContextWrapper;
 import android.database.sqlite.SQLiteDatabase;
 import android.database.sqlite.SQLiteOpenHelper;
+
+import androidx.test.core.app.ApplicationProvider;
+
 import org.fdroid.fdroid.BuildConfig;
 import org.fdroid.fdroid.Preferences;
 import org.fdroid.fdroid.TestUtils;
@@ -29,7 +32,7 @@ public class DatabaseMigration {
 
     @Before
     public final void setupBase() {
-        contentResolver = RuntimeEnvironment.application.getContentResolver();
+        contentResolver = ApplicationProvider.getApplicationContext().getContentResolver();
         context = TestUtils.createContextWithContentResolver(contentResolver);
         TestUtils.registerContentProvider(AppProvider.getAuthority(), AppProvider.class);
     }

app/src/test/java/org/fdroid/fdroid/data/FDroidProviderTest.java

@@ -3,12 +3,12 @@ package org.fdroid.fdroid.data;
 import android.content.ContentResolver;
 import android.content.ContentValues;
 import android.content.ContextWrapper;
+
+import androidx.test.core.app.ApplicationProvider;
+
 import org.fdroid.fdroid.TestUtils;
 import org.junit.After;
 import org.junit.Before;
-import org.robolectric.RuntimeEnvironment;
-import org.robolectric.Shadows;
-import org.robolectric.shadows.ShadowContentResolver;
 
 public abstract class FDroidProviderTest { // NOPMD This abstract class does not have any abstract methods
 
@@ -17,7 +17,7 @@ public abstract class FDroidProviderTest { // NOPMD This abstract class does not
 
     @Before
     public final void setupBase() {
-        contentResolver = RuntimeEnvironment.application.getContentResolver();
+        contentResolver = ApplicationProvider.getApplicationContext().getContentResolver();
         context = TestUtils.createContextWithContentResolver(contentResolver);
         TestUtils.registerContentProvider(AppProvider.getAuthority(), AppProvider.class);
     }

app/src/test/java/org/fdroid/fdroid/data/InstalledAppProviderTest.java

@@ -4,7 +4,9 @@ import android.app.Application;
 import android.content.ContentValues;
 import android.database.Cursor;
 import android.net.Uri;
-import org.fdroid.fdroid.BuildConfig;
+
+import androidx.test.core.app.ApplicationProvider;
+
 import org.fdroid.fdroid.Preferences;
 import org.fdroid.fdroid.TestUtils;
 import org.fdroid.fdroid.data.Schema.InstalledAppTable.Cols;
@@ -12,7 +14,6 @@ import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.robolectric.RobolectricTestRunner;
-import org.robolectric.RuntimeEnvironment;
 import org.robolectric.annotation.Config;
 
 import java.util.Map;
@@ -36,7 +37,7 @@ public class InstalledAppProviderTest extends FDroidProviderTest {
 
     @Test
     public void insertSingleApp() {
-        Map<String, Long> foundBefore = InstalledAppProvider.Helper.lastUpdateTimes(RuntimeEnvironment.application);
+        Map<String, Long> foundBefore = InstalledAppProvider.Helper.lastUpdateTimes(ApplicationProvider.getApplicationContext());
         assertEquals(foundBefore.size(), 0);
 
         ContentValues values = new ContentValues();
@@ -50,7 +51,7 @@ public class InstalledAppProviderTest extends FDroidProviderTest {
         values.put(Cols.SIGNATURE, "000111222333444555666777888999aaabbbcccdddeeefff");
         contentResolver.insert(InstalledAppProvider.getContentUri(), values);
 
-        Map<String, Long> foundAfter = InstalledAppProvider.Helper.lastUpdateTimes(RuntimeEnvironment.application);
+        Map<String, Long> foundAfter = InstalledAppProvider.Helper.lastUpdateTimes(ApplicationProvider.getApplicationContext());
         assertEquals(1, foundAfter.size());
         assertEquals(100000000L, foundAfter.get("org.example.test-app").longValue());
 

app/src/test/java/org/fdroid/fdroid/data/ProviderUriTests.java

@@ -1,12 +1,9 @@
 package org.fdroid.fdroid.data;
 
-import static org.fdroid.fdroid.Assert.assertInvalidUri;
-import static org.fdroid.fdroid.Assert.assertValidUri;
-
 import android.content.ContentResolver;
-import java.util.ArrayList;
-import java.util.List;
-import org.fdroid.fdroid.BuildConfig;
+
+import androidx.test.core.app.ApplicationProvider;
+
 import org.fdroid.fdroid.TestUtils;
 import org.fdroid.fdroid.data.Schema.InstalledAppTable;
 import org.fdroid.fdroid.mock.MockApk;
@@ -15,10 +12,12 @@ import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.robolectric.RobolectricTestRunner;
-import org.robolectric.RuntimeEnvironment;
-import org.robolectric.Shadows;
-import org.robolectric.annotation.Config;
-import org.robolectric.shadows.ShadowContentResolver;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import static org.fdroid.fdroid.Assert.assertInvalidUri;
+import static org.fdroid.fdroid.Assert.assertValidUri;
 
 @RunWith(RobolectricTestRunner.class)
 @SuppressWarnings("LineLength")
@@ -33,7 +32,7 @@ public class ProviderUriTests {
 
     @Before
     public void setup() {
-        resolver = RuntimeEnvironment.application.getContentResolver();
+        resolver = ApplicationProvider.getApplicationContext().getContentResolver();
     }
 
     @After

app/src/test/java/org/fdroid/fdroid/views/AppDetailsAdapterTest.java

@@ -8,6 +8,7 @@ import android.view.ViewGroup;
 
 import androidx.appcompat.view.ContextThemeWrapper;
 import androidx.recyclerview.widget.RecyclerView;
+import androidx.test.core.app.ApplicationProvider;
 
 import com.nostra13.universalimageloader.core.ImageLoader;
 import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;
@@ -27,7 +28,6 @@ import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.robolectric.RobolectricTestRunner;
-import org.robolectric.RuntimeEnvironment;
 import org.robolectric.annotation.Config;
 
 import static org.junit.Assert.assertEquals;
@@ -48,7 +48,7 @@ public class AppDetailsAdapterTest extends FDroidProviderTest {
         app = AppProviderTest.insertApp(contentResolver, context, "com.example.app", "Test App",
                 new ContentValues(), repo.getId());
 
-        themeContext = new ContextThemeWrapper(RuntimeEnvironment.application, R.style.AppBaseThemeDark);
+        themeContext = new ContextThemeWrapper(ApplicationProvider.getApplicationContext(), R.style.AppBaseThemeDark);
     }
 
     @After

app/src/testFull/java/org/fdroid/fdroid/nearby/LocalHTTPDManagerTest.java

@@ -1,12 +1,14 @@
 package org.fdroid.fdroid.nearby;
 
 import android.content.Context;
+
+import androidx.test.core.app.ApplicationProvider;
+
 import org.fdroid.fdroid.FDroidApp;
 import org.fdroid.fdroid.Utils;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.robolectric.RobolectricTestRunner;
-import org.robolectric.RuntimeEnvironment;
 import org.robolectric.shadows.ShadowLog;
 
 import java.util.concurrent.CountDownLatch;
@@ -23,7 +25,7 @@ public class LocalHTTPDManagerTest {
     @Test
     public void testStartStop() throws InterruptedException {
         ShadowLog.stream = System.out;
-        Context context = RuntimeEnvironment.application;
+        Context context = ApplicationProvider.getApplicationContext();
 
         final String host = "localhost";
         final int port = 8888;

app/src/testFull/java/org/fdroid/fdroid/nearby/LocalHTTPDTest.java

@@ -35,6 +35,9 @@ package org.fdroid.fdroid.nearby;
 
 import android.content.Context;
 import android.text.TextUtils;
+
+import androidx.test.core.app.ApplicationProvider;
+
 import org.apache.commons.io.FileUtils;
 import org.apache.commons.io.IOUtils;
 import org.fdroid.fdroid.Utils;
@@ -45,7 +48,6 @@ import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.robolectric.RobolectricTestRunner;
-import org.robolectric.RuntimeEnvironment;
 import org.robolectric.shadows.ShadowLog;
 
 import java.io.File;
@@ -88,7 +90,7 @@ public class LocalHTTPDTest {
 
         assertFalse(Utils.isServerSocketInUse(port));
 
-        final Context context = RuntimeEnvironment.application.getApplicationContext();
+        final Context context = ApplicationProvider.getApplicationContext();
         webRoot = context.getFilesDir();
         FileUtils.deleteDirectory(webRoot);
         assertTrue(webRoot.mkdir());
@@ -266,7 +268,7 @@ public class LocalHTTPDTest {
             @Override
             public void run() {
                 LocalHTTPD localHttpd = new LocalHTTPD(
-                        RuntimeEnvironment.application,
+                        ApplicationProvider.getApplicationContext(),
                         "localhost",
                         testPort,
                         webRoot,

app/src/testFull/java/org/fdroid/fdroid/nearby/LocalRepoKeyStoreTest.java

@@ -2,13 +2,15 @@ package org.fdroid.fdroid.nearby;
 
 import android.content.Context;
 import android.text.TextUtils;
+
+import androidx.test.core.app.ApplicationProvider;
+
 import org.apache.commons.io.IOUtils;
 import org.fdroid.fdroid.IndexUpdater;
 import org.fdroid.fdroid.Utils;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.robolectric.RobolectricTestRunner;
-import org.robolectric.RuntimeEnvironment;
 
 import java.io.BufferedOutputStream;
 import java.io.File;
@@ -29,7 +31,7 @@ public class LocalRepoKeyStoreTest {
 
     @Test
     public void testSignZip() throws IOException, LocalRepoKeyStore.InitException, IndexUpdater.SigningException {
-        Context context = RuntimeEnvironment.application;
+        Context context = ApplicationProvider.getApplicationContext();
 
         File xmlIndexJarUnsigned = File.createTempFile(getClass().getName(), "unsigned.jar");
         BufferedOutputStream bo = new BufferedOutputStream(new FileOutputStream(xmlIndexJarUnsigned));

app/src/testFull/java/org/fdroid/fdroid/updater/SwapRepoTest.java

@@ -7,6 +7,9 @@ import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.text.TextUtils;
+
+import androidx.test.core.app.ApplicationProvider;
+
 import org.apache.commons.net.util.SubnetUtils;
 import org.fdroid.fdroid.FDroidApp;
 import org.fdroid.fdroid.Hasher;
@@ -23,23 +26,19 @@ import org.fdroid.fdroid.data.RepoProvider;
 import org.fdroid.fdroid.data.Schema;
 import org.fdroid.fdroid.data.ShadowApp;
 import org.fdroid.fdroid.data.TempAppProvider;
+import org.fdroid.fdroid.nearby.LocalHTTPD;
 import org.fdroid.fdroid.nearby.LocalRepoKeyStore;
 import org.fdroid.fdroid.nearby.LocalRepoManager;
 import org.fdroid.fdroid.nearby.LocalRepoService;
 import org.fdroid.fdroid.nearby.WifiStateChangeService;
-import org.fdroid.fdroid.nearby.LocalHTTPD;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.robolectric.RobolectricTestRunner;
-import org.robolectric.RuntimeEnvironment;
-import org.robolectric.Shadows;
 import org.robolectric.annotation.Config;
-import org.robolectric.shadows.ShadowContentResolver;
 import org.robolectric.shadows.ShadowLog;
-import org.robolectric.shadows.ShadowPackageManager;
 
 import java.io.File;
 import java.io.IOException;
@@ -72,9 +71,9 @@ public class SwapRepoTest {
     public void setUp() {
         ShadowLog.stream = System.out;
 
-        contentResolver = RuntimeEnvironment.application.getContentResolver();
+        contentResolver = ApplicationProvider.getApplicationContext().getContentResolver();
         
-        context = new ContextWrapper(RuntimeEnvironment.application.getApplicationContext()) {
+        context = new ContextWrapper(ApplicationProvider.getApplicationContext()) {
             @Override
             public ContentResolver getContentResolver() {
                 return contentResolver;