Adds tests for selectedSpaceFlow and activeSpaceId

vector/src/test/java/im/vector/app/AppStateHandlerImplTest.kt

@@ -24,6 +24,8 @@ import im.vector.app.test.fakes.FakeUiStateRepository
 import io.mockk.every
 import io.mockk.justRun
 import io.mockk.mockk
+import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.test.runTest
 import org.amshove.kluent.shouldBe
 import org.amshove.kluent.shouldBeEqualTo
 import org.junit.Before
@@ -113,4 +115,29 @@ internal class AppStateHandlerImplTest {
 
         backstack.size shouldBe 0
     }
+
+    @Test
+    fun `when setCurrentSpace, then space is emitted to selectedSpaceFlow`() = runTest {
+        appStateHandler.setCurrentSpace(spaceId, session)
+
+        val currentSpace = appStateHandler.getSelectedSpaceFlow().first().orNull()
+
+        currentSpace shouldBeEqualTo spaceSummary
+    }
+
+    @Test
+    fun `given current space exists, when getSafeActiveSpaceId, then return current space id`() {
+        appStateHandler.setCurrentSpace(spaceId, session)
+
+        val activeSpaceId = appStateHandler.getSafeActiveSpaceId()
+
+        activeSpaceId shouldBeEqualTo spaceId
+    }
+
+    @Test
+    fun `given current space doesn't exist, when getSafeActiveSpaceId, then return current null`() {
+        val activeSpaceId = appStateHandler.getSafeActiveSpaceId()
+
+        activeSpaceId shouldBe null
+    }
 }