Group name spoofing warning

ts/test-both/util/isConversationNameKnown_test.ts

@@ -0,0 +1,56 @@
+// Copyright 2021 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import { assert } from 'chai';
+
+import { isConversationNameKnown } from '../../util/isConversationNameKnown';
+
+describe('isConversationNameKnown', () => {
+  describe('for direct conversations', () => {
+    it('returns true if the conversation has a name', () => {
+      assert.isTrue(
+        isConversationNameKnown({
+          type: 'direct',
+          name: 'Jane Doe',
+        })
+      );
+    });
+
+    it('returns true if the conversation has a profile name', () => {
+      assert.isTrue(
+        isConversationNameKnown({
+          type: 'direct',
+          profileName: 'Jane Doe',
+        })
+      );
+    });
+
+    it('returns true if the conversation has an E164', () => {
+      assert.isTrue(
+        isConversationNameKnown({
+          type: 'direct',
+          e164: '+16505551234',
+        })
+      );
+    });
+
+    it('returns false if the conversation has none of the above', () => {
+      assert.isFalse(isConversationNameKnown({ type: 'direct' }));
+    });
+  });
+
+  describe('for group conversations', () => {
+    it('returns true if the conversation has a name', () => {
+      assert.isTrue(
+        isConversationNameKnown({
+          type: 'group',
+          name: 'Tahoe Trip',
+        })
+      );
+    });
+
+    it('returns true if the conversation lacks a name', () => {
+      assert.isFalse(isConversationNameKnown({ type: 'group' }));
+    });
+  });
+});