Add process read sync tests.

app/src/androidTest/java/org/thoughtcrime/securesms/messages/MessageContentProcessor__recipientStatusTest.kt

@@ -52,7 +52,7 @@ class MessageContentProcessor__recipientStatusTest {
     processor.process(
       envelope = MessageContentFuzzer.envelope(envelopeTimestamp),
       content = MessageContentFuzzer.syncSentTextMessage(initialTextMessage, deliveredTo = listOf(harness.others[0])),
-      metadata = MessageContentFuzzer.envelopeMetadata(harness.self.id, harness.self.id, groupId),
+      metadata = MessageContentFuzzer.envelopeMetadata(harness.self.id, harness.self.id, groupId = groupId),
       serverDeliveredTimestamp = MessageContentFuzzer.fuzzServerDeliveredTimestamp(envelopeTimestamp)
     )
 
@@ -64,7 +64,7 @@ class MessageContentProcessor__recipientStatusTest {
     processor.process(
       envelope = MessageContentFuzzer.envelope(envelopeTimestamp),
       content = MessageContentFuzzer.syncSentTextMessage(initialTextMessage, deliveredTo = listOf(harness.others[0], harness.others[1]), recipientUpdate = true),
-      metadata = MessageContentFuzzer.envelopeMetadata(harness.self.id, harness.self.id, groupId),
+      metadata = MessageContentFuzzer.envelopeMetadata(harness.self.id, harness.self.id, groupId = groupId),
       serverDeliveredTimestamp = MessageContentFuzzer.fuzzServerDeliveredTimestamp(envelopeTimestamp)
     )
 

app/src/androidTest/java/org/thoughtcrime/securesms/messages/SyncMessageProcessorTest_readSyncs.kt

@@ -0,0 +1,225 @@
+/*
+ * Copyright 2024 Signal Messenger, LLC
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+package org.thoughtcrime.securesms.messages
+
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import io.mockk.every
+import io.mockk.mockkStatic
+import io.mockk.slot
+import io.mockk.unmockkStatic
+import org.junit.After
+import org.junit.Before
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.thoughtcrime.securesms.database.SignalDatabase
+import org.thoughtcrime.securesms.jobs.ThreadUpdateJob
+import org.thoughtcrime.securesms.recipients.RecipientId
+import org.thoughtcrime.securesms.testing.GroupTestingUtils
+import org.thoughtcrime.securesms.testing.MessageContentFuzzer
+import org.thoughtcrime.securesms.testing.SignalActivityRule
+import org.thoughtcrime.securesms.testing.assertIs
+import java.util.UUID
+
+@Suppress("ClassName")
+@RunWith(AndroidJUnit4::class)
+class SyncMessageProcessorTest_readSyncs {
+
+  @get:Rule
+  val harness = SignalActivityRule(createGroup = true)
+
+  private lateinit var alice: RecipientId
+  private lateinit var bob: RecipientId
+  private lateinit var group: GroupTestingUtils.TestGroupInfo
+  private lateinit var processor: MessageContentProcessor
+
+  @Before
+  fun setUp() {
+    alice = harness.others[0]
+    bob = harness.others[1]
+    group = harness.group!!
+
+    processor = MessageContentProcessor(harness.context)
+
+    val threadIdSlot = slot<Long>()
+    mockkStatic(ThreadUpdateJob::class)
+    every { ThreadUpdateJob.enqueue(capture(threadIdSlot)) } answers {
+      SignalDatabase.threads.update(threadIdSlot.captured, false)
+    }
+  }
+
+  @After
+  fun tearDown() {
+    unmockkStatic(ThreadUpdateJob::class)
+  }
+
+  @Test
+  fun handleSynchronizeReadMessage() {
+    val messageHelper = MessageHelper()
+
+    val message1Timestamp = messageHelper.incomingText().timestamp
+    val message2Timestamp = messageHelper.incomingText().timestamp
+
+    val threadId = SignalDatabase.threads.getThreadIdFor(alice)!!
+    var threadRecord = SignalDatabase.threads.getThreadRecord(threadId)!!
+    threadRecord.unreadCount assertIs 2
+
+    messageHelper.syncReadMessage(alice to message1Timestamp, alice to message2Timestamp)
+
+    threadRecord = SignalDatabase.threads.getThreadRecord(threadId)!!
+    threadRecord.unreadCount assertIs 0
+  }
+
+  @Test
+  fun handleSynchronizeReadMessageMissingTimestamp() {
+    val messageHelper = MessageHelper()
+
+    messageHelper.incomingText().timestamp
+    val message2Timestamp = messageHelper.incomingText().timestamp
+
+    val threadId = SignalDatabase.threads.getThreadIdFor(alice)!!
+    var threadRecord = SignalDatabase.threads.getThreadRecord(threadId)!!
+    threadRecord.unreadCount assertIs 2
+
+    messageHelper.syncReadMessage(alice to message2Timestamp)
+
+    threadRecord = SignalDatabase.threads.getThreadRecord(threadId)!!
+    threadRecord.unreadCount assertIs 0
+  }
+
+  @Test
+  fun handleSynchronizeReadWithEdits() {
+    val messageHelper = MessageHelper()
+
+    val message1Timestamp = messageHelper.incomingText().timestamp
+    messageHelper.syncReadMessage(alice to message1Timestamp)
+
+    val editMessage1Timestamp1 = messageHelper.incomingEditText(message1Timestamp).timestamp
+    val editMessage1Timestamp2 = messageHelper.incomingEditText(editMessage1Timestamp1).timestamp
+
+    val message2Timestamp = messageHelper.incomingMedia().timestamp
+
+    val threadId = SignalDatabase.threads.getThreadIdFor(alice)!!
+    var threadRecord = SignalDatabase.threads.getThreadRecord(threadId)!!
+    threadRecord.unreadCount assertIs 2
+
+    messageHelper.syncReadMessage(alice to message2Timestamp, alice to editMessage1Timestamp1, alice to editMessage1Timestamp2)
+
+    threadRecord = SignalDatabase.threads.getThreadRecord(threadId)!!
+    threadRecord.unreadCount assertIs 0
+  }
+
+  @Test
+  fun handleSynchronizeReadWithEditsInGroup() {
+    val messageHelper = MessageHelper()
+
+    val message1Timestamp = messageHelper.incomingText(sender = alice, destination = group.recipientId).timestamp
+
+    messageHelper.syncReadMessage(alice to message1Timestamp)
+
+    val editMessage1Timestamp1 = messageHelper.incomingEditText(targetTimestamp = message1Timestamp, sender = alice, destination = group.recipientId).timestamp
+    val editMessage1Timestamp2 = messageHelper.incomingEditText(targetTimestamp = editMessage1Timestamp1, sender = alice, destination = group.recipientId).timestamp
+
+    val message2Timestamp = messageHelper.incomingMedia(sender = bob, destination = group.recipientId).timestamp
+
+    val threadId = SignalDatabase.threads.getThreadIdFor(group.recipientId)!!
+    var threadRecord = SignalDatabase.threads.getThreadRecord(threadId)!!
+    threadRecord.unreadCount assertIs 2
+
+    messageHelper.syncReadMessage(bob to message2Timestamp, alice to editMessage1Timestamp1, alice to editMessage1Timestamp2)
+
+    threadRecord = SignalDatabase.threads.getThreadRecord(threadId)!!
+    threadRecord.unreadCount assertIs 0
+  }
+
+  private inner class MessageHelper(var startTime: Long = System.currentTimeMillis()) {
+
+    fun incomingText(sender: RecipientId = alice, destination: RecipientId = harness.self.id): MessageData {
+      startTime += 1000
+
+      val messageData = MessageData(timestamp = startTime)
+
+      processor.process(
+        envelope = MessageContentFuzzer.envelope(messageData.timestamp, serverGuid = messageData.serverGuid),
+        content = MessageContentFuzzer.fuzzTextMessage(
+          sentTimestamp = messageData.timestamp,
+          groupContextV2 = if (destination == group.recipientId) group.groupV2Context else null
+        ),
+        metadata = MessageContentFuzzer.envelopeMetadata(
+          source = sender,
+          destination = harness.self.id,
+          groupId = if (destination == group.recipientId) group.groupId else null
+        ),
+        serverDeliveredTimestamp = messageData.timestamp + 10
+      )
+
+      return messageData
+    }
+
+    fun incomingMedia(sender: RecipientId = alice, destination: RecipientId = harness.self.id): MessageData {
+      startTime += 1000
+
+      val messageData = MessageData(timestamp = startTime)
+
+      processor.process(
+        envelope = MessageContentFuzzer.envelope(messageData.timestamp, serverGuid = messageData.serverGuid),
+        content = MessageContentFuzzer.fuzzStickerMediaMessage(
+          sentTimestamp = messageData.timestamp,
+          groupContextV2 = if (destination == group.recipientId) group.groupV2Context else null
+        ),
+        metadata = MessageContentFuzzer.envelopeMetadata(
+          source = sender,
+          destination = harness.self.id,
+          groupId = if (destination == group.recipientId) group.groupId else null
+        ),
+        serverDeliveredTimestamp = messageData.timestamp + 10
+      )
+
+      return messageData
+    }
+
+    fun incomingEditText(targetTimestamp: Long = System.currentTimeMillis(), sender: RecipientId = alice, destination: RecipientId = harness.self.id): MessageData {
+      startTime += 1000
+
+      val messageData = MessageData(timestamp = startTime)
+
+      processor.process(
+        envelope = MessageContentFuzzer.envelope(messageData.timestamp, serverGuid = messageData.serverGuid),
+        content = MessageContentFuzzer.editTextMessage(
+          targetTimestamp = targetTimestamp,
+          editedDataMessage = MessageContentFuzzer.fuzzTextMessage(
+            sentTimestamp = messageData.timestamp,
+            groupContextV2 = if (destination == group.recipientId) group.groupV2Context else null
+          ).dataMessage!!
+        ),
+        metadata = MessageContentFuzzer.envelopeMetadata(
+          source = sender,
+          destination = harness.self.id,
+          groupId = if (destination == group.recipientId) group.groupId else null
+        ),
+        serverDeliveredTimestamp = messageData.timestamp + 10
+      )
+
+      return messageData
+    }
+
+    fun syncReadMessage(vararg reads: Pair<RecipientId, Long>): MessageData {
+      startTime += 1000
+      val messageData = MessageData(timestamp = startTime)
+
+      processor.process(
+        envelope = MessageContentFuzzer.envelope(messageData.timestamp, serverGuid = messageData.serverGuid),
+        content = MessageContentFuzzer.syncReadsMessage(reads.toList()),
+        metadata = MessageContentFuzzer.envelopeMetadata(harness.self.id, harness.self.id, sourceDeviceId = 2),
+        serverDeliveredTimestamp = messageData.timestamp + 10
+      )
+
+      return messageData
+    }
+  }
+
+  private data class MessageData(val serverGuid: UUID = UUID.randomUUID(), val timestamp: Long)
+}

app/src/androidTest/java/org/thoughtcrime/securesms/testing/GroupTestingUtils.kt

@@ -1,5 +1,6 @@
 package org.thoughtcrime.securesms.testing
 
+import okio.ByteString.Companion.toByteString
 import org.signal.libsignal.zkgroup.groups.GroupMasterKey
 import org.signal.storageservice.protos.groups.Member
 import org.signal.storageservice.protos.groups.local.DecryptedGroup
@@ -9,6 +10,7 @@ import org.thoughtcrime.securesms.groups.GroupId
 import org.thoughtcrime.securesms.recipients.Recipient
 import org.thoughtcrime.securesms.recipients.RecipientId
 import org.whispersystems.signalservice.api.push.ServiceId.ACI
+import org.whispersystems.signalservice.internal.push.GroupContextV2
 import kotlin.random.Random
 
 /**
@@ -46,5 +48,8 @@ object GroupTestingUtils {
     return member(aci = requireAci())
   }
 
-  data class TestGroupInfo(val groupId: GroupId.V2, val masterKey: GroupMasterKey, val recipientId: RecipientId)
+  data class TestGroupInfo(val groupId: GroupId.V2, val masterKey: GroupMasterKey, val recipientId: RecipientId) {
+    val groupV2Context: GroupContextV2
+      get() = GroupContextV2(masterKey = masterKey.serialize().toByteString(), revision = 0)
+  }
 }

app/src/androidTest/java/org/thoughtcrime/securesms/testing/MessageContentFuzzer.kt

@@ -12,6 +12,7 @@ import org.whispersystems.signalservice.internal.push.AttachmentPointer
 import org.whispersystems.signalservice.internal.push.BodyRange
 import org.whispersystems.signalservice.internal.push.Content
 import org.whispersystems.signalservice.internal.push.DataMessage
+import org.whispersystems.signalservice.internal.push.EditMessage
 import org.whispersystems.signalservice.internal.push.Envelope
 import org.whispersystems.signalservice.internal.push.GroupContextV2
 import org.whispersystems.signalservice.internal.push.SyncMessage
@@ -33,22 +34,22 @@ object MessageContentFuzzer {
   /**
    * Create an [Envelope].
    */
-  fun envelope(timestamp: Long): Envelope {
+  fun envelope(timestamp: Long, serverGuid: UUID = UUID.randomUUID()): Envelope {
     return Envelope.Builder()
       .timestamp(timestamp)
       .serverTimestamp(timestamp + 5)
-      .serverGuid(UUID.randomUUID().toString())
+      .serverGuid(serverGuid.toString())
       .build()
   }
 
   /**
    * Create metadata to match an [Envelope].
    */
-  fun envelopeMetadata(source: RecipientId, destination: RecipientId, groupId: GroupId.V2? = null): EnvelopeMetadata {
+  fun envelopeMetadata(source: RecipientId, destination: RecipientId, sourceDeviceId: Int = 1, groupId: GroupId.V2? = null): EnvelopeMetadata {
     return EnvelopeMetadata(
       sourceServiceId = Recipient.resolved(source).requireServiceId(),
       sourceE164 = null,
-      sourceDeviceId = 1,
+      sourceDeviceId = sourceDeviceId,
       sealedSender = true,
       groupId = groupId?.decodedId,
       destinationServiceId = Recipient.resolved(destination).requireServiceId()
@@ -60,10 +61,11 @@ object MessageContentFuzzer {
    * - An expire timer value
    * - Bold style body ranges
    */
-  fun fuzzTextMessage(groupContextV2: GroupContextV2? = null): Content {
+  fun fuzzTextMessage(sentTimestamp: Long? = null, groupContextV2: GroupContextV2? = null): Content {
     return Content.Builder()
       .dataMessage(
         DataMessage.Builder().buildWith {
+          timestamp = sentTimestamp
           body = string()
           if (random.nextBoolean()) {
             expireTimer = random.nextInt(0..28.days.inWholeSeconds.toInt())
@@ -87,6 +89,20 @@ object MessageContentFuzzer {
       .build()
   }
 
+  /**
+   * Create an edit message.
+   */
+  fun editTextMessage(targetTimestamp: Long, editedDataMessage: DataMessage): Content {
+    return Content.Builder()
+      .editMessage(
+        EditMessage.Builder().buildWith {
+          targetSentTimestamp = targetTimestamp
+          dataMessage = editedDataMessage
+        }
+      )
+      .build()
+  }
+
   /**
    * Create a sync sent text message for the given [DataMessage].
    */
@@ -116,6 +132,24 @@ object MessageContentFuzzer {
       ).build()
   }
 
+  /**
+   * Create a sync reads message for the given [RecipientId] and message timestamp pairings.
+   */
+  fun syncReadsMessage(timestamps: List<Pair<RecipientId, Long>>): Content {
+    return Content
+      .Builder()
+      .syncMessage(
+        SyncMessage.Builder().buildWith {
+          read = timestamps.map { (senderId, timestamp) ->
+            SyncMessage.Read.Builder().buildWith {
+              this.senderAci = Recipient.resolved(senderId).requireAci().toString()
+              this.timestamp = timestamp
+            }
+          }
+        }
+      ).build()
+  }
+
   /**
    * Create a random media message that may be:
    * - A text body
@@ -184,22 +218,21 @@ object MessageContentFuzzer {
   }
 
   /**
-   * Create a random media message that can never contain a text body. It may be:
-   * - A sticker
+   * Create a random media message that contains a sticker.
    */
-  fun fuzzMediaMessageNoText(previousMessages: List<TestMessage> = emptyList()): Content {
+  fun fuzzStickerMediaMessage(sentTimestamp: Long? = null, groupContextV2: GroupContextV2? = null): Content {
     return Content.Builder()
       .dataMessage(
         DataMessage.Builder().buildWith {
-          if (random.nextFloat() < 0.9) {
-            sticker = DataMessage.Sticker.Builder().buildWith {
-              packId = byteString(length = 24)
-              packKey = byteString(length = 128)
-              stickerId = random.nextInt()
-              data_ = attachmentPointer()
-              emoji = emojis.random(random)
-            }
+          timestamp = sentTimestamp
+          sticker = DataMessage.Sticker.Builder().buildWith {
+            packId = byteString(length = 24)
+            packKey = byteString(length = 128)
+            stickerId = random.nextInt()
+            data_ = attachmentPointer()
+            emoji = emojis.random(random)
           }
+          groupV2 = groupContextV2
         }
       ).build()
   }