test(android): Give nav3 transaction mocks a span context

Scope.setTransaction now passes transaction.getSpanContext().withDefaultStatus()
to scope observers (#6418 on 9.x.x). The nav3 tests from main (#6398) bind bare
ITransaction mocks whose getSpanContext() returns null, so they hit an NPE.

Co-Authored-By: Roman Zavarnitsyn <roman.zavarnitsyn@sentry.io>

Author: sentry-junior[bot]

sentry-android-navigation3/src/test/kotlin/io/sentry/compose/navigation3/lifecycle/MockTransaction.kt

@@ -0,0 +1,13 @@
+package io.sentry.compose.navigation3.lifecycle
+
+import io.sentry.ITransaction
+import io.sentry.SpanContext
+import org.mockito.kotlin.mock
+import org.mockito.kotlin.whenever
+
+/**
+ * Returns a transaction mock with a span context, which `Scope.setTransaction` passes to scope
+ * observers.
+ */
+internal fun mockTransaction(): ITransaction =
+  mock<ITransaction>().also { whenever(it.spanContext).thenReturn(SpanContext("navigation")) }

sentry-android-navigation3/src/test/kotlin/io/sentry/compose/navigation3/lifecycle/NavScopesTest.kt

@@ -254,7 +254,7 @@ class NavScopesTest {
     val navScopes = fixture.navScopes()
     navScopes.attach(fixture.lifecycle(Lifecycle.State.RESUMED))
     navScopes.applyFirstBackStackUpdate()
-    fixture.scope.transaction = mock<ITransaction>()
+    fixture.scope.transaction = mockTransaction()
 
     navScopes.startNavTransaction("/Home")
 
@@ -337,7 +337,7 @@ class NavScopesTest {
     val navScopes = fixture.navScopes()
     navScopes.attach(fixture.lifecycle(Lifecycle.State.RESUMED))
     navScopes.applyFirstBackStackUpdate()
-    val hostTransaction = mock<ITransaction>()
+    val hostTransaction = mockTransaction()
     fixture.scope.transaction = hostTransaction
 
     navScopes.finishNavTransaction()
@@ -520,7 +520,7 @@ class NavScopesTest {
     val fixture = Fixture.create()
     val covered = fixture.coveredNavScopes()
     covered.startNavTransaction("/Result")
-    val hostTransaction = mock<ITransaction>()
+    val hostTransaction = mockTransaction()
     fixture.scope.transaction = hostTransaction
 
     fixture.incoming.dispose()
@@ -534,7 +534,7 @@ class NavScopesTest {
     val fixture = Fixture.create()
     val covered = fixture.coveredNavScopes()
     covered.startNavTransaction("/Result")
-    fixture.scope.transaction = mock<ITransaction>()
+    fixture.scope.transaction = mockTransaction()
 
     fixture.incoming.dispose()
 
@@ -546,8 +546,7 @@ class NavScopesTest {
     val fixture = Fixture.create()
     val covered = fixture.coveredNavScopes()
     covered.startNavTransaction("/Result")
-    fixture.scope.transaction =
-      mock<ITransaction>().also { whenever(it.isFinished).thenReturn(true) }
+    fixture.scope.transaction = mockTransaction().also { whenever(it.isFinished).thenReturn(true) }
 
     fixture.incoming.dispose()
 
@@ -558,8 +557,7 @@ class NavScopesTest {
   fun `a deferred transaction requested while a finished transaction is bound starts in its place`() {
     val fixture = Fixture.create()
     val covered = fixture.coveredNavScopes()
-    fixture.scope.transaction =
-      mock<ITransaction>().also { whenever(it.isFinished).thenReturn(true) }
+    fixture.scope.transaction = mockTransaction().also { whenever(it.isFinished).thenReturn(true) }
     covered.startNavTransaction("/Result")
 
     fixture.incoming.dispose()
@@ -707,7 +705,7 @@ class NavScopesTest {
               NoOpTransaction.getInstance()
             } else {
               val name = (it.arguments[0] as TransactionContext).name
-              mock<ITransaction>()
+              mockTransaction()
                 .also { transaction -> whenever(transaction.name).thenReturn(name) }
                 .also(startedTransactions::add)
             }

sentry-android-navigation3/src/test/kotlin/io/sentry/compose/navigation3/lifecycle/StagedNavTransactionTest.kt

@@ -28,8 +28,8 @@ class StagedNavTransactionTest {
   private val transactionOptions = TransactionOptions()
 
   private val finishedTransaction =
-    mock<ITransaction>().also { whenever(it.isFinished).thenReturn(true) }
-  private val hostTransaction = mock<ITransaction>()
+    mockTransaction().also { whenever(it.isFinished).thenReturn(true) }
+  private val hostTransaction = mockTransaction()
 
   @Test
   fun `start() - starts a nav transaction and binds it to a free scope`() {
@@ -511,7 +511,7 @@ class StagedNavTransactionTest {
               NoOpTransaction.getInstance()
             } else {
               val name = (it.arguments[0] as TransactionContext).name
-              mock<ITransaction>()
+              mockTransaction()
                 .also { transaction -> whenever(transaction.name).thenReturn(name) }
                 .also(startedTransactions::add)
             }