Migrate crashlytics tests to JUnit4

firebase-crashlytics/src/androidTest/java/com/google/firebase/crashlytics/CrashlyticsAnalyticsListenerTest.java

@@ -32,6 +32,7 @@
 import com.google.firebase.crashlytics.internal.analytics.AnalyticsEventLogger;
 import com.google.firebase.crashlytics.internal.analytics.AnalyticsEventReceiver;
 import com.google.firebase.crashlytics.internal.breadcrumbs.BreadcrumbSource;
+import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.mockito.ArgumentCaptor;
@@ -52,14 +53,20 @@ public class CrashlyticsAnalyticsListenerTest {
   @Mock private AnalyticsEventLogger analyticsEventLogger;
 
   private CrashlyticsAnalyticsListener listener;
+  private AutoCloseable mocks;
 
   @Before
   public void setUp() throws Exception {
-    MockitoAnnotations.initMocks(this);
+    mocks = MockitoAnnotations.openMocks(this);
 
     listener = new CrashlyticsAnalyticsListener();
   }
 
+  @After
+  public void tearDown() throws Exception {
+    mocks.close();
+  }
+
   @Test
   public void testListenerCallsBreadcrumbReceiverWithEmptyParamsIfParamsIsNull() {
     listener.setCrashlyticsOriginEventReceiver(crashlyticsOriginEventReceiver);

firebase-crashlytics/src/androidTest/java/com/google/firebase/crashlytics/internal/CrashlyticsNativeComponentDeferredProxyTest.java

@@ -18,9 +18,10 @@
 import static org.mockito.Mockito.mock;
 
 import androidx.annotation.NonNull;
-import androidx.test.runner.AndroidJUnit4;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
 import com.google.firebase.crashlytics.internal.model.StaticSessionData;
 import com.google.firebase.inject.Deferred;
+import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -35,10 +36,16 @@ public class CrashlyticsNativeComponentDeferredProxyTest {
   private static final long TEST_START_TIME = 123;
 
   @Mock private CrashlyticsNativeComponent component;
+  private AutoCloseable mocks;
 
   @Before
   public void setUp() throws Exception {
-    MockitoAnnotations.initMocks(this);
+    mocks = MockitoAnnotations.openMocks(this);
+  }
+
+  @After
+  public void tearDown() throws Exception {
+    mocks.close();
   }
 
   @Test

firebase-crashlytics/src/androidTest/java/com/google/firebase/crashlytics/internal/CrashlyticsRemoteConfigListenerTest.java

@@ -25,6 +25,7 @@
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
+import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.mockito.ArgumentCaptor;
@@ -74,13 +75,19 @@ public class CrashlyticsRemoteConfigListenerTest {
   @Captor private ArgumentCaptor<ArrayList<RolloutAssignment>> captor;
 
   private CrashlyticsRemoteConfigListener listener;
+  private AutoCloseable mocks;
 
   @Before
   public void setup() throws Exception {
-    MockitoAnnotations.openMocks(this);
+    mocks = MockitoAnnotations.openMocks(this);
     listener = new CrashlyticsRemoteConfigListener(userMetadata);
   }
 
+  @After
+  public void tearDown() throws Exception {
+    mocks.close();
+  }
+
   @Test
   public void testListener_onChangeUpdateRCInteropClassToCrashlyticsClass() throws Exception {
     RolloutsState rolloutsState = createInteropRolloutsStateWithSingleElement();

firebase-crashlytics/src/androidTest/java/com/google/firebase/crashlytics/internal/CrashlyticsTestCase.java

@@ -17,16 +17,16 @@
 import android.content.Context;
 import androidx.test.core.app.ApplicationProvider;
 import com.google.firebase.crashlytics.internal.persistence.FileStore;
-import junit.framework.TestCase;
+import org.junit.After;
 
 /** Base class for all our TestCases. */
-public class CrashlyticsTestCase extends TestCase {
+public class CrashlyticsTestCase {
   protected Context getContext() {
     return ApplicationProvider.getApplicationContext();
   }
 
-  @Override
-  protected void tearDown() throws Exception {
+  @After
+  public void tearDown() throws Exception {
     new FileStore(getContext()).deleteAllCrashlyticsFiles();
   }
 }

firebase-crashlytics/src/androidTest/java/com/google/firebase/crashlytics/internal/DevelopmentPlatformProviderTest.java

@@ -14,6 +14,10 @@
 
 package com.google.firebase.crashlytics.internal;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.mock;
@@ -23,13 +27,15 @@
 import android.content.pm.PackageManager;
 import android.content.res.Resources;
 import android.os.Bundle;
+import org.junit.Test;
 
 public class DevelopmentPlatformProviderTest extends CrashlyticsTestCase {
   private static final String PACKAGE_NAME = "package.name";
   private static final String UNITY_PLATFORM = "Unity";
   private static final String UNITY_VERSION = "2.0.0";
   private static final String FLUTTER_PLATFORM = "Flutter";
 
+  @Test
   public void testDevelopmentPlatformInfo_withUnity_returnsPlatformAndVersion() throws Exception {
     Context context = createMockContext(/* withUnityResource= */ true);
 
@@ -41,6 +47,7 @@ public void testDevelopmentPlatformInfo_withUnity_returnsPlatformAndVersion() th
     assertEquals(UNITY_VERSION, provider.getDevelopmentPlatformVersion());
   }
 
+  @Test
   public void testDevelopmentPlatformInfo_withFlutter_returnsPlatformAndNoVersion() {
     Context context = getContext(); // has asset DevelopmentPlatformProvider.FLUTTER_ASSET_FILE
 
@@ -51,6 +58,7 @@ public void testDevelopmentPlatformInfo_withFlutter_returnsPlatformAndNoVersion(
     assertFalse(DevelopmentPlatformProvider.isUnity(context));
   }
 
+  @Test
   public void testDevelopmentPlatformInfo_unknownPlatform_returnsNull() throws Exception {
     Context context = createMockContext(/* withUnityResource= */ false);
 

firebase-crashlytics/src/androidTest/java/com/google/firebase/crashlytics/internal/RemoteConfigDeferredProxyTest.java

@@ -22,6 +22,7 @@
 import com.google.firebase.crashlytics.internal.metadata.UserMetadata;
 import com.google.firebase.inject.Deferred;
 import com.google.firebase.remoteconfig.interop.FirebaseRemoteConfigInterop;
+import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.mockito.Mock;
@@ -33,9 +34,16 @@ public class RemoteConfigDeferredProxyTest {
 
   @Mock private UserMetadata userMetadata;
 
+  private AutoCloseable mocks;
+
   @Before
   public void setUp() throws Exception {
-    MockitoAnnotations.openMocks(this);
+    mocks = MockitoAnnotations.openMocks(this);
+  }
+
+  @After
+  public void tearDown() throws Exception {
+    mocks.close();
   }
 
   @Test

firebase-crashlytics/src/androidTest/java/com/google/firebase/crashlytics/internal/analytics/BlockingAnalyticsEventLoggerTest.java

@@ -38,6 +38,8 @@ public class BlockingAnalyticsEventLoggerTest {
 
   @Mock private CrashlyticsOriginAnalyticsEventLogger mockLogger;
 
+  private AutoCloseable mocks;
+
   private BlockingAnalyticsEventLogger blockingAnalyticsEventLogger;
 
   @Before
@@ -49,12 +51,13 @@ public void setUp() throws Exception {
             .setApiKey("API-KEY-API-KEY-API-KEY-API-KEY-API-KEY")
             .setProjectId("project-id")
             .build());
-    MockitoAnnotations.initMocks(this);
+    mocks = MockitoAnnotations.openMocks(this);
   }
 
   @After
-  public void cleanUp() {
+  public void cleanUp() throws Exception {
     FirebaseApp.clearInstancesForTest();
+    mocks.close();
   }
 
   @Test

firebase-crashlytics/src/androidTest/java/com/google/firebase/crashlytics/internal/analytics/BreadcrumbAnalyticsEventReceiverTest.java

@@ -28,19 +28,21 @@
 public class BreadcrumbAnalyticsEventReceiverTest {
 
   @Mock private BreadcrumbHandler mockBreadcrumbHandler;
+  private AutoCloseable mocks;
 
   private BreadcrumbAnalyticsEventReceiver receiver;
 
   @Before
   public void setUp() throws Exception {
-    MockitoAnnotations.initMocks(this);
+    mocks = MockitoAnnotations.openMocks(this);
 
     receiver = new BreadcrumbAnalyticsEventReceiver();
   }
 
   @Test
-  public void testReceiverDropsEventsWhenHandlerIsNull() {
+  public void testReceiverDropsEventsWhenHandlerIsNull() throws Exception {
     receiver.onEvent("event", new Bundle());
+    mocks.close();
     // Should not fail.
   }
 

firebase-crashlytics/src/androidTest/java/com/google/firebase/crashlytics/internal/analytics/CrashlyticsOriginAnalyticsEventLoggerTest.java

@@ -18,6 +18,7 @@
 
 import android.os.Bundle;
 import com.google.firebase.analytics.connector.AnalyticsConnector;
+import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.mockito.Mock;
@@ -29,14 +30,20 @@ public class CrashlyticsOriginAnalyticsEventLoggerTest {
   @Mock private AnalyticsConnector mockAnalyticsConnector;
 
   private CrashlyticsOriginAnalyticsEventLogger logger;
+  private AutoCloseable mocks;
 
   @Before
   public void setUp() throws Exception {
-    MockitoAnnotations.initMocks(this);
+    mocks = MockitoAnnotations.openMocks(this);
 
     logger = new CrashlyticsOriginAnalyticsEventLogger(mockAnalyticsConnector);
   }
 
+  @After
+  public void tearDown() throws Exception {
+    mocks.close();
+  }
+
   @Test
   public void testLoggerCallsAnalyticsConnectorWithCrashlyticsOrigin() {
     final String eventName = "_ae";

firebase-crashlytics/src/androidTest/java/com/google/firebase/crashlytics/internal/common/BatteryStateTest.java

@@ -14,16 +14,23 @@
 
 package com.google.firebase.crashlytics.internal.common;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.isNull;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
 
+import android.annotation.SuppressLint;
 import android.content.Context;
 import android.content.Intent;
 import android.os.BatteryManager;
 import com.google.firebase.crashlytics.internal.CrashlyticsTestCase;
+import org.junit.Test;
 
+@SuppressLint("UnspecifiedRegisterReceiverFlag")
 public class BatteryStateTest extends CrashlyticsTestCase {
   // Tolerance for float comparisons.
   static final float EPSILON = 0.0001f;
@@ -36,6 +43,7 @@ private Intent makeIntent(int status, int level, int scale) {
     return intent;
   }
 
+  @Test
   public void testGetBatteryLevel() {
     Context mockContext = mock(Context.class);
     when(mockContext.registerReceiver(isNull(), any())).thenReturn(makeIntent(0, 50, 200));
@@ -47,6 +55,7 @@ public void testGetBatteryLevel() {
     assertEquals(0.25f, batteryLevel, EPSILON);
   }
 
+  @Test
   public void testNullIntent() {
     final Context mockContext = mock(Context.class);
     when(mockContext.registerReceiver(isNull(), any())).thenReturn(null);
@@ -58,6 +67,7 @@ public void testNullIntent() {
     assertEquals(1, state.getBatteryVelocity());
   }
 
+  @Test
   public void testTooManyReceivers() {
     Context mockContext = mock(Context.class);
     when(mockContext.registerReceiver(isNull(), any()))
@@ -70,6 +80,7 @@ public void testTooManyReceivers() {
     assertEquals(1, state.getBatteryVelocity());
   }
 
+  @Test
   public void testEmptyIntent() {
     final Context mockContext = mock(Context.class);
     when(mockContext.registerReceiver(isNull(), any())).thenReturn(new Intent());
@@ -88,6 +99,7 @@ private void doVelocityTest(int velocity, Intent intent) {
     assertEquals(velocity, state.getBatteryVelocity());
   }
 
+  @Test
   public void testVelocity() {
     doVelocityTest(
         BatteryState.VELOCITY_FULL, makeIntent(BatteryManager.BATTERY_STATUS_CHARGING, 1, 1));