Add unit test on SpaceAnnouncementPresenter

features/announcement/impl/build.gradle.kts

@@ -33,4 +33,5 @@ dependencies {
     implementation(libs.androidx.datastore.preferences)
 
     testCommonDependencies(libs)
+    testImplementation(projects.libraries.matrix.test)
 }

features/announcement/impl/src/test/kotlin/io/element/android/features/announcement/impl/spaces/SpaceAnnouncementPresenterTest.kt

@@ -0,0 +1,57 @@
+/*
+ * Copyright 2025 New Vector Ltd.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+ * Please see LICENSE files in the repository root for full details.
+ */
+
+package io.element.android.features.announcement.impl.spaces
+
+import com.google.common.truth.Truth.assertThat
+import io.element.android.features.announcement.impl.store.AnnouncementStore
+import io.element.android.features.announcement.impl.store.InMemoryAnnouncementStore
+import io.element.android.libraries.core.meta.BuildMeta
+import io.element.android.libraries.matrix.test.AN_APPLICATION_NAME
+import io.element.android.libraries.matrix.test.AN_APPLICATION_NAME_DESKTOP
+import io.element.android.libraries.matrix.test.core.aBuildMeta
+import io.element.android.tests.testutils.test
+import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.test.runTest
+import org.junit.Test
+
+class SpaceAnnouncementPresenterTest {
+    @Test
+    fun `present - initial state`() = runTest {
+        val presenter = createSpaceAnnouncementPresenter()
+        presenter.test {
+            val state = awaitItem()
+            assertThat(state.applicationName).isEqualTo(AN_APPLICATION_NAME)
+            assertThat(state.desktopApplicationName).isEqualTo(AN_APPLICATION_NAME_DESKTOP)
+        }
+    }
+
+    @Test
+    fun `present - when user continues, the store is updated`() = runTest {
+        val store = InMemoryAnnouncementStore()
+        val presenter = createSpaceAnnouncementPresenter(
+            announcementStore = store,
+        )
+        presenter.test {
+            assertThat(store.spaceAnnouncementFlow().first()).isEqualTo(AnnouncementStore.SpaceAnnouncement.NeverShown)
+            val state = awaitItem()
+            state.eventSink(SpaceAnnouncementEvents.Continue)
+            assertThat(store.spaceAnnouncementFlow().first()).isEqualTo(AnnouncementStore.SpaceAnnouncement.Shown)
+        }
+    }
+}
+
+private fun createSpaceAnnouncementPresenter(
+    buildMeta: BuildMeta = aBuildMeta(
+        applicationName = AN_APPLICATION_NAME,
+        desktopApplicationName = AN_APPLICATION_NAME_DESKTOP,
+    ),
+    announcementStore: AnnouncementStore = InMemoryAnnouncementStore(),
+) = SpaceAnnouncementPresenter(
+    buildMeta = buildMeta,
+    announcementStore = announcementStore,
+)

libraries/matrix/test/src/main/kotlin/io/element/android/libraries/matrix/test/TestData.kt

@@ -26,6 +26,7 @@ const val A_PASSWORD = "password"
 const val A_PASSPHRASE = "passphrase"
 const val A_SECRET = "secret"
 const val AN_APPLICATION_NAME = "AppName"
+const val AN_APPLICATION_NAME_DESKTOP = "AppNameDesktop"
 
 val A_USER_ID = UserId("@alice:server.org")
 val A_USER_ID_2 = UserId("@bob:server.org")