Add call link support to storage service.

app/src/test/java/org/thoughtcrime/securesms/storage/CallLinkRecordProcessorTest.kt

@@ -0,0 +1,108 @@
+/*
+ * Copyright 2024 Signal Messenger, LLC
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+package org.thoughtcrime.securesms.storage
+
+import okio.ByteString.Companion.EMPTY
+import okio.ByteString.Companion.toByteString
+import org.junit.Assert.assertFalse
+import org.junit.Assert.assertThrows
+import org.junit.BeforeClass
+import org.junit.Test
+import org.signal.core.util.logging.Log
+import org.thoughtcrime.securesms.service.webrtc.links.CallLinkCredentials
+import org.thoughtcrime.securesms.testutil.EmptyLogger
+import org.whispersystems.signalservice.api.storage.SignalCallLinkRecord
+import org.whispersystems.signalservice.api.storage.StorageId
+import org.whispersystems.signalservice.internal.storage.protos.CallLinkRecord
+
+/**
+ * See [CallLinkRecordProcessor]
+ */
+class CallLinkRecordProcessorTest {
+  companion object {
+    val STORAGE_ID: StorageId = StorageId.forCallLink(byteArrayOf(1, 2, 3, 4))
+
+    @JvmStatic
+    @BeforeClass
+    fun setUpClass() {
+      Log.initialize(EmptyLogger())
+    }
+  }
+
+  private val testSubject = CallLinkRecordProcessor()
+  private val mockCredentials = CallLinkCredentials(
+    "root key".toByteArray(),
+    "admin pass".toByteArray()
+  )
+
+  @Test
+  fun `Given a valid proto with only an admin pass key and not a deletion timestamp, assert valid`() {
+    // GIVEN
+    val proto = CallLinkRecord.Builder().apply {
+      rootKey = mockCredentials.linkKeyBytes.toByteString()
+      adminPasskey = mockCredentials.adminPassBytes!!.toByteString()
+      deletedAtTimestampMs = 0L
+    }.build()
+
+    val record = SignalCallLinkRecord(STORAGE_ID, proto)
+
+    // WHEN
+    val result = testSubject.isInvalid(record)
+
+    // THEN
+    assertFalse(result)
+  }
+
+  @Test
+  fun `Given a valid proto with only a deletion timestamp and not an admin pass key, assert valid`() {
+    // GIVEN
+    val proto = CallLinkRecord.Builder().apply {
+      rootKey = mockCredentials.linkKeyBytes.toByteString()
+      adminPasskey = EMPTY
+      deletedAtTimestampMs = System.currentTimeMillis()
+    }.build()
+
+    val record = SignalCallLinkRecord(STORAGE_ID, proto)
+
+    // WHEN
+    val result = testSubject.isInvalid(record)
+
+    // THEN
+    assertFalse(result)
+  }
+
+  @Test
+  fun `Given a proto with both an admin pass key and a deletion timestamp, assert invalid`() {
+    // GIVEN
+    val proto = CallLinkRecord.Builder().apply {
+      rootKey = mockCredentials.linkKeyBytes.toByteString()
+      adminPasskey = mockCredentials.adminPassBytes!!.toByteString()
+      deletedAtTimestampMs = System.currentTimeMillis()
+    }.build()
+
+    assertThrows(IllegalStateException::class.java) {
+      SignalCallLinkRecord(STORAGE_ID, proto)
+    }
+  }
+
+  @Test
+  fun `Given a proto with neither an admin pass key nor a deletion timestamp, assert valid`() {
+    // GIVEN
+    val proto = CallLinkRecord.Builder().apply {
+      rootKey = mockCredentials.linkKeyBytes.toByteString()
+      adminPasskey = EMPTY
+      deletedAtTimestampMs = 0L
+    }.build()
+
+    val record = SignalCallLinkRecord(STORAGE_ID, proto)
+
+    // WHEN
+    val result = testSubject.isInvalid(record)
+
+    // THEN
+    assertFalse(result)
+  }
+}