Add tests for GroupChatChatUpdates.

src/main/kotlin/Main.kt

@@ -46,7 +46,8 @@ val ALL_TEST_CASES = listOf(
   ChatItemStandardMessageWithQuoteTestCase,
   ChatItemStickerMessageTestCase,
   ChatItemRemoteDeleteTestCase,
-  ChatItemViewOnceTestCase
+  ChatItemViewOnceTestCase,
+  ChatItemGroupChangeChatUpdateTestCase
 )
 
 fun main(args: Array<String>) {

src/main/kotlin/Permutations.kt

@@ -179,6 +179,7 @@ class PermutationScope : Iterator<List<Message<*, *>>> {
 
   fun <T> someEnum(clazz: Class<T>, excluding: T? = null): T = excluding?.let { some(Generators.enum(clazz, excluding)) } ?: some(Generators.enum(clazz))
   fun <T> someEnum(clazz: Class<T>, vararg excluding: T): T = some(Generators.enum(clazz, *excluding))
+  inline fun <reified T> someEnum(clazz: Class<T>, excluding: List<T>): T = some(Generators.enum(clazz, *excluding.toTypedArray()))
 
   fun someCallLinkRootKey(): ByteArray = some(Generators.callLinkRootKey())
 

src/main/kotlin/Util.kt

@@ -1,4 +1,6 @@
 import okio.ByteString
+import okio.ByteString.Companion.toByteString
+import org.thoughtcrime.securesms.backup.v2.proto.Frame
 import java.io.IOException
 import java.io.InputStream
 import java.io.OutputStream
@@ -88,6 +90,12 @@ fun base64Decode(value: String): ByteArray {
   return Base64.getDecoder().decode(value)
 }
 
+/** Synthetic value to make it easier to get ACI's off of frames that you know are Contacts with ACI's */
+val Frame.aci: ByteString
+  get() = this.recipient!!.contact!!.aci!!
+
+fun UUID.toByteString(): ByteString = this.toByteArray().toByteString()
+
 /**
  * Takes a class and converts it to a nice, multi-line string with good indentation. Optimized for readability.
  */

test-cases/chat_item_group_change_chat_update_00.txtproto

@@ -0,0 +1,221 @@
+// This file was auto-generated! It's only meant to show you what's in the .binproto. Do not edit!
+
+BackupInfo {
+  backupTimeMs = 1715636551000
+  mediaRootBackupKey = <8fba3ce1946b78a4ca0d9229ddb050a12702072309d6574ae12451269e5fdbb2>
+  version = 1
+}
+
+Frame {
+  account = AccountData {
+    accountSettings = AccountSettings {
+      customChatColors = [
+        CustomChatColor {
+          id = 1
+          solid = -16777216
+        },
+        CustomChatColor {
+          id = 2
+          solid = -65536
+        },
+        CustomChatColor {
+          id = 3
+          solid = -16711936
+        }
+      ]
+      displayBadgesOnProfile = true
+      hasCompletedUsernameOnboarding = true
+      hasSeenGroupStoryEducationSheet = true
+      hasSetMyStoriesPrivacy = true
+      hasViewedOnboardingStory = true
+      keepMutedChatsArchived = true
+      linkPreviews = true
+      notDiscoverableByPhoneNumber = true
+      phoneNumberSharingMode = PhoneNumberSharingMode.NOBODY
+      preferContactAvatars = true
+      preferredReactionEmoji = [
+        "a",
+        "b",
+        "c"
+      ]
+      readReceipts = true
+      sealedSenderIndicators = true
+      storiesDisabled = true
+      storyViewReceiptsEnabled = true
+      typingIndicators = true
+      universalExpireTimerSeconds = 3600
+    }
+    avatarUrlPath = ""
+    donationSubscriberData = SubscriberData {
+      currencyCode = "USD"
+      manuallyCancelled = true
+      subscriberId = <ecbb68c734331a2ea333cda747c98c4553652261582b4fce5ae0dea84dce6519>
+    }
+    familyName = "Fett"
+    givenName = "Boba"
+    profileKey = <610291abedc34249489da39a31c9a5cd99cdd26ff58732e268e357ee0075d9d8>
+    username = "boba_fett.66"
+    usernameLink = UsernameLink {
+      color = Color.OLIVE
+      entropy = <65675c73d00eb01005e3bb7c4a47f296cb6554f78981238815e915d824fd2e93>
+      serverId = <61c101a200d5421789c20518d8497af0>
+    }
+  }
+}
+
+Frame {
+  recipient = Recipient {
+    id = 1
+    self = Self {}
+  }
+}
+
+Frame {
+  recipient = Recipient {
+    id = 2
+    releaseNotes = ReleaseNotes {}
+  }
+}
+
+Frame {
+  recipient = Recipient {
+    distributionList = DistributionListItem {
+      distributionId = <00000000000000000000000000000000>
+      distributionList = DistributionList {
+        name = ""
+        privacyMode = PrivacyMode.ALL
+      }
+    }
+    id = 3
+  }
+}
+
+Frame {
+  recipient = Recipient {
+    contact = Contact {
+      aci = <000a11ce000040008000000000000001>
+      e164 = 16105550101
+      pni = <000a11ce000040008000000000000002>
+      profileFamilyName = "Smith"
+      profileGivenName = "Alice"
+      profileKey = <d75d75d75d75d75d75d75d75d75d75d75d75d75d75d75d75d75d75d75d75d75d>
+      registered = Registered {}
+      visibility = Visibility.VISIBLE
+    }
+    id = 4
+  }
+}
+
+Frame {
+  recipient = Recipient {
+    contact = Contact {
+      aci = <00000b0b000040008000000000000001>
+      e164 = 16105550102
+      pni = <00000b0b000040008000000000000002>
+      profileFamilyName = "Jones"
+      profileGivenName = "Bob"
+      profileKey = <0410410410410410410410410410410410410410410410410410410410410410>
+      registered = Registered {}
+      visibility = Visibility.VISIBLE
+    }
+    id = 5
+  }
+}
+
+Frame {
+  recipient = Recipient {
+    contact = Contact {
+      aci = <0000ca01000040008000000000000001>
+      e164 = 16105550103
+      pni = <0000ca01000040008000000000000002>
+      profileFamilyName = "Johnson"
+      profileGivenName = "Carol"
+      profileKey = <0820820820820820820820820820820820820820820820820820820820820820>
+      registered = Registered {}
+      visibility = Visibility.VISIBLE
+    }
+    id = 6
+  }
+}
+
+Frame {
+  recipient = Recipient {
+    contact = Contact {
+      aci = <000000da000040008000000000000001>
+      e164 = 16105550104
+      pni = <000000da000040008000000000000002>
+      profileFamilyName = "Brown"
+      profileGivenName = "Dan"
+      profileKey = <0c30c30c30c30c30c30c30c30c30c30c30c30c30c30c30c30c30c30c30c30c30>
+      registered = Registered {}
+      visibility = Visibility.VISIBLE
+    }
+    id = 7
+  }
+}
+
+Frame {
+  recipient = Recipient {
+    group = Group {
+      masterKey = <0000000000000000000000000000000000000000000000000000000000000000>
+      snapshot = GroupSnapshot {
+        accessControl = AccessControl {
+          addFromInviteLink = AccessRequired.UNSATISFIABLE
+          attributes = AccessRequired.MEMBER
+          members = AccessRequired.MEMBER
+        }
+        avatarUrl = "https://example.com/avatar.jpg"
+        inviteLinkPassword = <>
+        members = [
+          Member {
+            role = Role.ADMINISTRATOR
+            userId = <00000000000040008000000000000001>
+          },
+          Member {
+            role = Role.DEFAULT
+            userId = <000a11ce000040008000000000000001>
+          },
+          Member {
+            role = Role.DEFAULT
+            userId = <00000b0b000040008000000000000001>
+          }
+        ]
+        title = GroupAttributeBlob {
+          title = "Me, Alice, Bob"
+        }
+        version = 1
+      }
+      storySendMode = StorySendMode.DEFAULT
+      whitelisted = true
+    }
+    id = 10
+  }
+}
+
+Frame {
+  chat = Chat {
+    expireTimerVersion = 1
+    id = 3
+    recipientId = 10
+  }
+}
+
+Frame {
+  chatItem = ChatItem {
+    authorId = 1
+    chatId = 3
+    dateSent = 1878937499399
+    directionless = DirectionlessMessageDetails {}
+    updateMessage = ChatUpdateMessage {
+      groupChange = GroupChangeChatUpdate {
+        updates = [
+          Update {
+            genericGroupUpdate = GenericGroupUpdate {
+              updaterAci = <000a11ce000040008000000000000001>
+            }
+          }
+        ]
+      }
+    }
+  }
+}