Call link call history

ts/test-node/util/callDisposition_test.ts

@@ -0,0 +1,80 @@
+// Copyright 2024 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import { assert } from 'chai';
+import type { PeekInfo } from '@signalapp/ringrtc';
+import uuid from 'uuid';
+import {
+  getPeerIdFromConversation,
+  getCallIdFromEra,
+  getGroupCallMeta,
+} from '../../util/callDisposition';
+import {
+  getDefaultConversation,
+  getDefaultGroup,
+} from '../../test-both/helpers/getDefaultConversation';
+import { uuidToBytes } from '../../util/uuidToBytes';
+
+const MOCK_ERA = 'abc';
+const MOCK_CALL_ID = '16919744041952114874';
+
+const MOCK_PEEK_INFO_BASE: PeekInfo = {
+  devices: [],
+  deviceCount: 0,
+  deviceCountIncludingPendingDevices: 0,
+  deviceCountExcludingPendingDevices: 0,
+  pendingUsers: [],
+};
+
+describe('utils/callDisposition', () => {
+  describe('getCallIdFromEra', () => {
+    it('returns callId from era', () => {
+      // just to ensure the mock is correct
+      assert.strictEqual(getCallIdFromEra(MOCK_ERA), MOCK_CALL_ID);
+    });
+  });
+
+  describe('getGroupCallMeta', () => {
+    it('returns null if missing eraId or creator', () => {
+      assert.isNull(getGroupCallMeta({ ...MOCK_PEEK_INFO_BASE }));
+      assert.isNull(
+        getGroupCallMeta({ ...MOCK_PEEK_INFO_BASE, eraId: MOCK_ERA })
+      );
+      assert.isNull(
+        getGroupCallMeta({
+          ...MOCK_PEEK_INFO_BASE,
+          creator: Buffer.from(uuidToBytes(uuid())),
+        })
+      );
+    });
+
+    it('returns group call meta when all fields are provided', () => {
+      const id = uuid();
+      assert.deepStrictEqual(
+        getGroupCallMeta({
+          ...MOCK_PEEK_INFO_BASE,
+          eraId: MOCK_ERA,
+          creator: Buffer.from(uuidToBytes(id)),
+        }),
+        { callId: MOCK_CALL_ID, ringerId: id }
+      );
+    });
+  });
+
+  describe('getPeerIdFromConversation', () => {
+    it('returns serviceId for direct conversation', () => {
+      const conversation = getDefaultConversation();
+      assert.strictEqual(
+        getPeerIdFromConversation(conversation),
+        conversation.serviceId
+      );
+    });
+    it('returns groupId for group conversation', () => {
+      const conversation = getDefaultGroup();
+      assert.strictEqual(
+        getPeerIdFromConversation(conversation),
+        conversation.groupId
+      );
+    });
+  });
+});