Start a session after init if AutoSessionTracking is enabled

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+### Features
+
+- Start a session after init if AutoSessionTracking is enabled ([#2356](https://github.com/getsentry/sentry-java/pull/2356))
+
 ### Dependencies
 
 - Bump Native SDK from v0.5.2 to v0.5.3 ([#2423](https://github.com/getsentry/sentry-java/pull/2423))

sentry-android-core/src/main/java/io/sentry/android/core/LifecycleWatcher.java

@@ -5,11 +5,12 @@
 import io.sentry.Breadcrumb;
 import io.sentry.IHub;
 import io.sentry.SentryLevel;
+import io.sentry.Session;
+import io.sentry.android.core.internal.util.BreadcrumbFactory;
 import io.sentry.transport.CurrentDateProvider;
 import io.sentry.transport.ICurrentDateProvider;
 import java.util.Timer;
 import java.util.TimerTask;
-import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicLong;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
@@ -27,7 +28,6 @@ final class LifecycleWatcher implements DefaultLifecycleObserver {
   private final @NotNull IHub hub;
   private final boolean enableSessionTracking;
   private final boolean enableAppLifecycleBreadcrumbs;
-  private final @NotNull AtomicBoolean runningSession = new AtomicBoolean();
 
   private final @NotNull ICurrentDateProvider currentDateProvider;
 
@@ -74,15 +74,24 @@ private void startSession() {
       cancelTask();
 
       final long currentTimeMillis = currentDateProvider.getCurrentTimeMillis();
-      final long lastUpdatedSession = this.lastUpdatedSession.get();
 
-      if (lastUpdatedSession == 0L
-          || (lastUpdatedSession + sessionIntervalMillis) <= currentTimeMillis) {
-        addSessionBreadcrumb("start");
-        hub.startSession();
-        runningSession.set(true);
-      }
-      this.lastUpdatedSession.set(currentTimeMillis);
+      hub.withScope(
+          scope -> {
+            long lastUpdatedSession = this.lastUpdatedSession.get();
+            if (lastUpdatedSession == 0L) {
+              @Nullable Session currentSession = scope.getSession();
+              if (currentSession != null && currentSession.getStarted() != null) {
+                lastUpdatedSession = currentSession.getStarted().getTime();
+              }
+            }
+
+            if (lastUpdatedSession == 0L
+                || (lastUpdatedSession + sessionIntervalMillis) <= currentTimeMillis) {
+              addSessionBreadcrumb("start");
+              hub.startSession();
+            }
+            this.lastUpdatedSession.set(currentTimeMillis);
+          });
     }
   }
 
@@ -110,7 +119,6 @@ private void scheduleEndSession() {
               public void run() {
                 addSessionBreadcrumb("end");
                 hub.endSession();
-                runningSession.set(false);
               }
             };
 
@@ -140,20 +148,10 @@ private void addAppBreadcrumb(final @NotNull String state) {
   }
 
   private void addSessionBreadcrumb(final @NotNull String state) {
-    final Breadcrumb breadcrumb = new Breadcrumb();
-    breadcrumb.setType("session");
-    breadcrumb.setData("state", state);
-    breadcrumb.setCategory("app.lifecycle");
-    breadcrumb.setLevel(SentryLevel.INFO);
+    final Breadcrumb breadcrumb = BreadcrumbFactory.forSession(state);
     hub.addBreadcrumb(breadcrumb);
   }
 
-  @TestOnly
-  @NotNull
-  AtomicBoolean isRunningSession() {
-    return runningSession;
-  }
-
   @TestOnly
   @Nullable
   TimerTask getTimerTask() {

sentry-android-core/src/main/java/io/sentry/android/core/SentryAndroid.java

@@ -3,12 +3,14 @@
 import android.content.Context;
 import android.os.SystemClock;
 import io.sentry.DateUtils;
+import io.sentry.IHub;
 import io.sentry.ILogger;
 import io.sentry.Integration;
 import io.sentry.OptionsContainer;
 import io.sentry.Sentry;
 import io.sentry.SentryLevel;
 import io.sentry.SentryOptions;
+import io.sentry.android.core.internal.util.BreadcrumbFactory;
 import io.sentry.android.fragment.FragmentLifecycleIntegration;
 import io.sentry.android.timber.SentryTimberIntegration;
 import java.lang.reflect.InvocationTargetException;
@@ -119,6 +121,12 @@ public static synchronized void init(
             deduplicateIntegrations(options, isFragmentAvailable, isTimberAvailable);
           },
           true);
+
+      final @NotNull IHub hub = Sentry.getCurrentHub();
+      if (hub.getOptions().isEnableAutoSessionTracking()) {
+        hub.addBreadcrumb(BreadcrumbFactory.forSession("session.start"));
+        hub.startSession();
+      }
     } catch (IllegalAccessException e) {
       logger.log(SentryLevel.FATAL, "Fatal error during SentryAndroid.init(...)", e);
 

sentry-android-core/src/main/java/io/sentry/android/core/internal/gestures/SentryGestureListener.java

@@ -181,6 +181,11 @@ private void addBreadcrumb(
       final @NotNull String eventType,
       final @NotNull Map<String, Object> additionalData,
       final @NotNull MotionEvent motionEvent) {
+
+    if ((!options.isEnableUserInteractionBreadcrumbs())) {
+      return;
+    }
+
     @NotNull String className;
     @Nullable String canonicalName = target.getClass().getCanonicalName();
     if (canonicalName != null) {

sentry-android-core/src/main/java/io/sentry/android/core/internal/util/BreadcrumbFactory.java

@@ -0,0 +1,19 @@
+package io.sentry.android.core.internal.util;
+
+import io.sentry.Breadcrumb;
+import io.sentry.SentryLevel;
+import org.jetbrains.annotations.ApiStatus;
+import org.jetbrains.annotations.NotNull;
+
+@ApiStatus.Internal
+public class BreadcrumbFactory {
+
+  public static @NotNull Breadcrumb forSession(@NotNull String state) {
+    final Breadcrumb breadcrumb = new Breadcrumb();
+    breadcrumb.setType("session");
+    breadcrumb.setData("state", state);
+    breadcrumb.setCategory("app.lifecycle");
+    breadcrumb.setLevel(SentryLevel.INFO);
+    return breadcrumb;
+  }
+}

sentry-android-core/src/test/java/io/sentry/android/core/LifecycleWatcherTest.kt

@@ -2,17 +2,24 @@ package io.sentry.android.core
 
 import androidx.lifecycle.LifecycleOwner
 import io.sentry.Breadcrumb
+import io.sentry.DateUtils
 import io.sentry.IHub
+import io.sentry.Scope
+import io.sentry.ScopeCallback
 import io.sentry.SentryLevel
+import io.sentry.Session
+import io.sentry.Session.State
 import io.sentry.transport.ICurrentDateProvider
-import org.awaitility.kotlin.await
+import org.mockito.ArgumentCaptor
 import org.mockito.kotlin.any
 import org.mockito.kotlin.check
 import org.mockito.kotlin.mock
 import org.mockito.kotlin.never
+import org.mockito.kotlin.timeout
 import org.mockito.kotlin.times
 import org.mockito.kotlin.verify
 import org.mockito.kotlin.whenever
+import java.util.*
 import kotlin.test.Test
 import kotlin.test.assertEquals
 import kotlin.test.assertNotNull
@@ -25,8 +32,26 @@ class LifecycleWatcherTest {
         val hub = mock<IHub>()
         val dateProvider = mock<ICurrentDateProvider>()
 
-        fun getSUT(sessionIntervalMillis: Long = 0L, enableAutoSessionTracking: Boolean = true, enableAppLifecycleBreadcrumbs: Boolean = true): LifecycleWatcher {
-            return LifecycleWatcher(hub, sessionIntervalMillis, enableAutoSessionTracking, enableAppLifecycleBreadcrumbs, dateProvider)
+        fun getSUT(
+            sessionIntervalMillis: Long = 0L,
+            enableAutoSessionTracking: Boolean = true,
+            enableAppLifecycleBreadcrumbs: Boolean = true,
+            session: Session? = null
+        ): LifecycleWatcher {
+            val argumentCaptor: ArgumentCaptor<ScopeCallback> = ArgumentCaptor.forClass(ScopeCallback::class.java)
+            val scope = mock<Scope>()
+            whenever(scope.session).thenReturn(session)
+            whenever(hub.withScope(argumentCaptor.capture())).thenAnswer {
+                argumentCaptor.value.run(scope)
+            }
+
+            return LifecycleWatcher(
+                hub,
+                sessionIntervalMillis,
+                enableAutoSessionTracking,
+                enableAppLifecycleBreadcrumbs,
+                dateProvider
+            )
         }
     }
 
@@ -62,8 +87,7 @@ class LifecycleWatcherTest {
         val watcher = fixture.getSUT(enableAppLifecycleBreadcrumbs = false)
         watcher.onStart(fixture.ownerMock)
         watcher.onStop(fixture.ownerMock)
-        await.untilFalse(watcher.isRunningSession)
-        verify(fixture.hub).endSession()
+        verify(fixture.hub, timeout(10000)).endSession()
     }
 
     @Test
@@ -112,9 +136,8 @@ class LifecycleWatcherTest {
     @Test
     fun `When session tracking is enabled, add breadcrumb on stop`() {
         val watcher = fixture.getSUT(enableAppLifecycleBreadcrumbs = false)
-        watcher.isRunningSession.set(true)
         watcher.onStop(fixture.ownerMock)
-        await.untilFalse(watcher.isRunningSession)
+        verify(fixture.hub, timeout(10000)).endSession()
         verify(fixture.hub).addBreadcrumb(
             check<Breadcrumb> {
                 assertEquals("app.lifecycle", it.category)
@@ -193,4 +216,54 @@ class LifecycleWatcherTest {
         val watcher = fixture.getSUT(enableAutoSessionTracking = false, enableAppLifecycleBreadcrumbs = false)
         assertNull(watcher.timer)
     }
+
+    @Test
+    fun `if the hub has already a fresh session running, don't start new one`() {
+        val watcher = fixture.getSUT(
+            enableAppLifecycleBreadcrumbs = false,
+            session = Session(
+                State.Ok,
+                DateUtils.getCurrentDateTime(),
+                DateUtils.getCurrentDateTime(),
+                0,
+                "abc",
+                UUID.fromString("3c1ffc32-f68f-4af2-a1ee-dd72f4d62d17"),
+                true,
+                0,
+                10.0,
+                null,
+                null,
+                null,
+                "release"
+            )
+        )
+
+        watcher.onStart(fixture.ownerMock)
+        verify(fixture.hub, never()).startSession()
+    }
+
+    @Test
+    fun `if the hub has a long running session, start new one`() {
+        val watcher = fixture.getSUT(
+            enableAppLifecycleBreadcrumbs = false,
+            session = Session(
+                State.Ok,
+                DateUtils.getDateTime(-1),
+                DateUtils.getDateTime(-1),
+                0,
+                "abc",
+                UUID.fromString("3c1ffc32-f68f-4af2-a1ee-dd72f4d62d17"),
+                true,
+                0,
+                10.0,
+                null,
+                null,
+                null,
+                "release"
+            )
+        )
+
+        watcher.onStart(fixture.ownerMock)
+        verify(fixture.hub).startSession()
+    }
 }

sentry-android-core/src/test/java/io/sentry/android/core/SentryAndroidTest.kt

@@ -30,6 +30,7 @@ import kotlin.test.Test
 import kotlin.test.assertEquals
 import kotlin.test.assertFalse
 import kotlin.test.assertNotNull
+import kotlin.test.assertNull
 import kotlin.test.assertTrue
 
 @RunWith(AndroidJUnit4::class)
@@ -186,6 +187,26 @@ class SentryAndroidTest {
         assertEquals(expectedCacheDir, (options!!.envelopeDiskCache as AndroidEnvelopeCache).directory.absolutePath)
     }
 
+    @Test
+    fun `init starts a session if auto session tracking is enabled`() {
+        fixture.initSut { options ->
+            options.isEnableAutoSessionTracking = true
+        }
+        Sentry.getCurrentHub().withScope { scope ->
+            assertNotNull(scope.session)
+        }
+    }
+
+    @Test
+    fun `init does not start a session by if auto session tracking is disabled`() {
+        fixture.initSut { options ->
+            options.isEnableAutoSessionTracking = false
+        }
+        Sentry.getCurrentHub().withScope { scope ->
+            assertNull(scope.session)
+        }
+    }
+
     private class CustomEnvelopCache : IEnvelopeCache {
         override fun iterator(): MutableIterator<SentryEnvelope> = TODO()
         override fun store(envelope: SentryEnvelope, hint: Hint) = Unit

sentry-android-core/src/test/java/io/sentry/android/core/internal/gestures/SentryGestureListenerScrollTest.kt

@@ -34,6 +34,7 @@ class SentryGestureListenerScrollTest {
         val resources = mock<Resources>()
         val options = SentryAndroidOptions().apply {
             dsn = "https://key@sentry.io/proj"
+            isEnableUserInteractionBreadcrumbs = true
         }
         val hub = mock<IHub>()
 

sentry/api/sentry.api

@@ -989,6 +989,7 @@ public final class io/sentry/Scope {
 	public fun getContexts ()Lio/sentry/protocol/Contexts;
 	public fun getLevel ()Lio/sentry/SentryLevel;
 	public fun getRequest ()Lio/sentry/protocol/Request;
+	public fun getSession ()Lio/sentry/Session;
 	public fun getSpan ()Lio/sentry/ISpan;
 	public fun getTags ()Ljava/util/Map;
 	public fun getTransaction ()Lio/sentry/ITransaction;

sentry/src/main/java/io/sentry/Scope.java

@@ -762,6 +762,11 @@ public void withTransaction(final @NotNull IWithTransaction callback) {
     }
   }
 
+  @ApiStatus.Internal
+  public @Nullable Session getSession() {
+    return session;
+  }
+
   /** the IWithTransaction callback */
   @ApiStatus.Internal
   public interface IWithTransaction {