Fix reconnected event not firing on full reconnect (#158)

* Fix reconnect events on full reconnect

* parameterized tests

@@ -139,7 +139,7 @@ dependencies {
     testImplementation "org.mockito.kotlin:mockito-kotlin:4.0.0"
     testImplementation 'androidx.test:core:1.4.0'
     testImplementation deps.coroutines.test
-    kaptTest 'com.google.dagger:dagger-compiler:2.38'
+    kaptTest "com.google.dagger:dagger-compiler:${versions.dagger}"
     androidTestImplementation 'androidx.test.ext:junit:1.1.3'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
 }

@@ -324,10 +324,12 @@ internal constructor(
         reconnectingJob = null
         coroutineScope.close()
         closeResources(reason)
+        connectionState = ConnectionState.DISCONNECTED
     }
 
     private fun closeResources(reason: String) {
-        connectionState = ConnectionState.DISCONNECTED
+        publisherObserver.connectionChangeListener = null
+        subscriberObserver.connectionChangeListener = null
         _publisher?.close()
         _publisher = null
         _subscriber?.close()

@@ -32,7 +32,7 @@ abstract class MockE2ETest : BaseTest() {
     internal lateinit var subscriber: PeerConnectionTransport
 
     @Before
-    fun setup() {
+    fun mocksSetup() {
         context = ApplicationProvider.getApplicationContext()
         component = DaggerTestLiveKitComponent
             .factory()

@@ -18,88 +18,30 @@ import org.junit.Test
 import org.junit.runner.RunWith
 import org.robolectric.RobolectricTestRunner
 
+/**
+ * For tests that only target one reconnection type.
+ *
+ * Tests that cover all connection types should be put in [RoomReconnectionTypesMockE2ETest].
+ */
 @ExperimentalCoroutinesApi
 @RunWith(RobolectricTestRunner::class)
 class RoomReconnectionMockE2ETest : MockE2ETest() {
 
-    private fun prepareForReconnect(softReconnect: Boolean = false) {
+    private fun prepareForReconnect() {
         wsFactory.onOpen = {
             wsFactory.listener.onOpen(wsFactory.ws, createOpenResponse(wsFactory.request))
-            if (!softReconnect) {
+            val softReconnectParam = wsFactory.request.url
+                .queryParameter(SignalClient.CONNECT_QUERY_RECONNECT)
+                ?.toIntOrNull()
+                ?: 0
+
+            if (softReconnectParam == 0) {
                 simulateMessageFromServer(SignalClientTest.JOIN)
             }
         }
     }
 
     @Test
-    fun reconnectFromPeerConnectionDisconnect() = runTest {
-        connect()
-
-        val eventCollector = EventCollector(room.events, coroutineRule.scope)
-        val stateCollector = FlowCollector(room::state.flow, coroutineRule.scope)
-        prepareForReconnect()
-        disconnectPeerConnection()
-        // Wait so that the reconnect job properly starts first.
-        testScheduler.advanceTimeBy(1000)
-        connectPeerConnection()
-
-        testScheduler.advanceUntilIdle()
-        val events = eventCollector.stopCollecting()
-        val states = stateCollector.stopCollecting()
-
-        assertIsClassList(
-            listOf(
-                RoomEvent.Reconnecting::class.java,
-                RoomEvent.Reconnected::class.java,
-            ),
-            events
-        )
-
-        assertEquals(
-            listOf(
-                Room.State.CONNECTED,
-                Room.State.RECONNECTING,
-                Room.State.CONNECTED,
-            ),
-            states
-        )
-    }
-
-    @Test
-    fun reconnectFromWebSocketFailure() = runTest {
-        connect()
-
-        val eventCollector = EventCollector(room.events, coroutineRule.scope)
-        val stateCollector = FlowCollector(room::state.flow, coroutineRule.scope)
-        prepareForReconnect()
-        wsFactory.ws.cancel()
-        // Wait so that the reconnect job properly starts first.
-        testScheduler.advanceTimeBy(1000)
-        connectPeerConnection()
-
-        testScheduler.advanceUntilIdle()
-        val events = eventCollector.stopCollecting()
-        val states = stateCollector.stopCollecting()
-
-        assertIsClassList(
-            listOf(
-                RoomEvent.Reconnecting::class.java,
-                RoomEvent.Reconnected::class.java,
-            ),
-            events
-        )
-
-        assertEquals(
-            listOf(
-                Room.State.CONNECTED,
-                Room.State.RECONNECTING,
-                Room.State.CONNECTED,
-            ),
-            states
-        )
-    }
-
-    @Test
     fun softReconnectSendsSyncState() = runTest {
         room.setReconnectionType(ReconnectType.FORCE_SOFT_RECONNECT)
 

+package io.livekit.android.room
+
+import io.livekit.android.MockE2ETest
+import io.livekit.android.assert.assertIsClassList
+import io.livekit.android.events.EventCollector
+import io.livekit.android.events.FlowCollector
+import io.livekit.android.events.RoomEvent
+import io.livekit.android.util.flow
+import junit.framework.Assert.assertEquals
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.robolectric.ParameterizedRobolectricTestRunner
+
+@ExperimentalCoroutinesApi
+@RunWith(ParameterizedRobolectricTestRunner::class)
+class RoomReconnectionTypesMockE2ETest(
+    private val reconnectType: ReconnectType
+) : MockE2ETest() {
+
+    companion object {
+        @JvmStatic
+        @ParameterizedRobolectricTestRunner.Parameters(name = "Input: {0}")
+        // parameters are provided as arrays, allowing more than one parameter
+        fun params() = listOf(
+            ReconnectType.FORCE_SOFT_RECONNECT,
+            ReconnectType.FORCE_FULL_RECONNECT,
+        )
+    }
+
+    private fun prepareForReconnect() {
+        wsFactory.onOpen = {
+            wsFactory.listener.onOpen(wsFactory.ws, createOpenResponse(wsFactory.request))
+            val softReconnectParam = wsFactory.request.url
+                .queryParameter(SignalClient.CONNECT_QUERY_RECONNECT)
+                ?.toIntOrNull()
+                ?: 0
+
+            if (softReconnectParam == 0) {
+                simulateMessageFromServer(SignalClientTest.JOIN)
+            }
+        }
+    }
+
+    @Before
+    fun setup() {
+        room.setReconnectionType(reconnectType)
+    }
+
+    @Test
+    fun reconnectFromPeerConnectionDisconnect() = runTest {
+        connect()
+
+        val eventCollector = EventCollector(room.events, coroutineRule.scope)
+        val stateCollector = FlowCollector(room::state.flow, coroutineRule.scope)
+        prepareForReconnect()
+        disconnectPeerConnection()
+        // Wait so that the reconnect job properly starts first.
+        testScheduler.advanceTimeBy(1000)
+        connectPeerConnection()
+
+        testScheduler.advanceUntilIdle()
+        val events = eventCollector.stopCollecting()
+        val states = stateCollector.stopCollecting()
+
+        assertIsClassList(
+            listOf(
+                RoomEvent.Reconnecting::class.java,
+                RoomEvent.Reconnected::class.java,
+            ),
+            events
+        )
+
+        assertEquals(
+            listOf(
+                Room.State.CONNECTED,
+                Room.State.RECONNECTING,
+                Room.State.CONNECTED,
+            ),
+            states
+        )
+    }
+
+    @Test
+    fun reconnectFromWebSocketFailure() = runTest {
+        connect()
+
+        val eventCollector = EventCollector(room.events, coroutineRule.scope)
+        val stateCollector = FlowCollector(room::state.flow, coroutineRule.scope)
+        prepareForReconnect()
+        wsFactory.ws.cancel()
+        // Wait so that the reconnect job properly starts first.
+        testScheduler.advanceTimeBy(1000)
+        connectPeerConnection()
+
+        testScheduler.advanceUntilIdle()
+        val events = eventCollector.stopCollecting()
+        val states = stateCollector.stopCollecting()
+
+        assertIsClassList(
+            listOf(
+                RoomEvent.Reconnecting::class.java,
+                RoomEvent.Reconnected::class.java,
+            ),
+            events
+        )
+
+        assertEquals(
+            listOf(
+                Room.State.CONNECTED,
+                Room.State.RECONNECTING,
+                Room.State.CONNECTED,
+            ),
+            states
+        )
+    }
+}
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