From 15048de5e2e7a2d5ccfaf632a043a99d9e273fce Mon Sep 17 00:00:00 2001
From: Ishaan Jaff <ishaanjaffer0324@gmail.com>
Date: Thu, 20 Mar 2025 14:50:00 -0700
Subject: [PATCH] test_prepare_fake_stream_request

---
 .../custom_httpx/test_llm_http_handler.py     | 77 +++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 tests/litellm/llms/custom_httpx/test_llm_http_handler.py

diff --git a/tests/litellm/llms/custom_httpx/test_llm_http_handler.py b/tests/litellm/llms/custom_httpx/test_llm_http_handler.py
new file mode 100644
index 00000000000..26fc18de16d
--- /dev/null
+++ b/tests/litellm/llms/custom_httpx/test_llm_http_handler.py
@@ -0,0 +1,77 @@
+import io
+import os
+import pathlib
+import ssl
+import sys
+from unittest.mock import MagicMock
+
+import pytest
+
+sys.path.insert(
+    0, os.path.abspath("../../../..")
+)  # Adds the parent directory to the system path
+import litellm
+from litellm.llms.custom_httpx.llm_http_handler import BaseLLMHTTPHandler
+
+
+def test_prepare_fake_stream_request():
+    # Initialize the BaseLLMHTTPHandler
+    handler = BaseLLMHTTPHandler()
+
+    # Test case 1: fake_stream is True
+    stream = True
+    data = {
+        "stream": True,
+        "model": "gpt-4",
+        "messages": [{"role": "user", "content": "Hello"}],
+    }
+    fake_stream = True
+
+    result_stream, result_data = handler._prepare_fake_stream_request(
+        stream=stream, data=data, fake_stream=fake_stream
+    )
+
+    # Verify that stream is set to False
+    assert result_stream is False
+    # Verify that "stream" key is removed from data
+    assert "stream" not in result_data
+    # Verify other data remains unchanged
+    assert result_data["model"] == "gpt-4"
+    assert result_data["messages"] == [{"role": "user", "content": "Hello"}]
+
+    # Test case 2: fake_stream is False
+    stream = True
+    data = {
+        "stream": True,
+        "model": "gpt-4",
+        "messages": [{"role": "user", "content": "Hello"}],
+    }
+    fake_stream = False
+
+    result_stream, result_data = handler._prepare_fake_stream_request(
+        stream=stream, data=data, fake_stream=fake_stream
+    )
+
+    # Verify that stream remains True
+    assert result_stream is True
+    # Verify that data remains unchanged
+    assert "stream" in result_data
+    assert result_data["stream"] is True
+    assert result_data["model"] == "gpt-4"
+    assert result_data["messages"] == [{"role": "user", "content": "Hello"}]
+
+    # Test case 3: data doesn't have stream key but fake_stream is True
+    stream = True
+    data = {"model": "gpt-4", "messages": [{"role": "user", "content": "Hello"}]}
+    fake_stream = True
+
+    result_stream, result_data = handler._prepare_fake_stream_request(
+        stream=stream, data=data, fake_stream=fake_stream
+    )
+
+    # Verify that stream is set to False
+    assert result_stream is False
+    # Verify that data remains unchanged (since there was no stream key to remove)
+    assert "stream" not in result_data
+    assert result_data["model"] == "gpt-4"
+    assert result_data["messages"] == [{"role": "user", "content": "Hello"}]