tests: move test_ai_services to test_utils_string

tests/test_utils_string.py

@@ -0,0 +1,40 @@
+#
+# Copyright (c) 2024-2025 Daily
+#
+# SPDX-License-Identifier: BSD 2-Clause License
+#
+
+import unittest
+
+from pipecat.utils.string import match_endofsentence
+
+
+class TestUtilsString(unittest.IsolatedAsyncioTestCase):
+    async def test_endofsentence(self):
+        assert match_endofsentence("This is a sentence.")
+        assert match_endofsentence("This is a sentence! ")
+        assert match_endofsentence("This is a sentence?")
+        assert match_endofsentence("This is a sentence:")
+        assert match_endofsentence("This is a sentence;")
+        assert not match_endofsentence("This is not a sentence")
+        assert not match_endofsentence("This is not a sentence,")
+        assert not match_endofsentence("This is not a sentence, ")
+        assert not match_endofsentence("Ok, Mr. Smith let's ")
+        assert not match_endofsentence("Dr. Walker, I presume ")
+        assert not match_endofsentence("Prof. Walker, I presume ")
+        assert not match_endofsentence("zweitens, und 3.")
+        assert not match_endofsentence("Heute ist Dienstag, der 3.")  # 3. Juli 2024
+        assert not match_endofsentence("America, or the U.")  # U.S.A.
+        assert not match_endofsentence("It still early, it's 3:00 a.")  # 3:00 a.m.
+
+    async def test_endofsentence_zh(self):
+        chinese_sentences = [
+            "你好。",
+            "你好！",
+            "吃了吗？",
+            "安全第一；",
+            "他说：",
+        ]
+        for i in chinese_sentences:
+            assert match_endofsentence(i)
+        assert not match_endofsentence("你好，")