From 7c9423239e2181cf629c5fefd62bc52e1591ef1f Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Fri, 6 Mar 2026 02:13:34 +0000
Subject: [PATCH 1/2] Initial plan


From b4f52d25a9fcbf1741db4993a244b08914c9d962 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Fri, 6 Mar 2026 02:28:56 +0000
Subject: [PATCH 2/2] Add Python mock API tests for authentication/noauth/union
 Spector case

Co-authored-by: msyyc <70930885+msyyc@users.noreply.github.com>
---
 ...oauth-union-python-tests-2026-03-06-02-30-00.md |  7 +++++++
 .../asynctests/test_authentication_async.py        | 14 +++++++++++++-
 .../generic_mock_api_tests/test_authentication.py  | 12 +++++++++++-
 3 files changed, 31 insertions(+), 2 deletions(-)
 create mode 100644 .chronus/changes/add-noauth-union-python-tests-2026-03-06-02-30-00.md

diff --git a/.chronus/changes/add-noauth-union-python-tests-2026-03-06-02-30-00.md b/.chronus/changes/add-noauth-union-python-tests-2026-03-06-02-30-00.md
new file mode 100644
index 00000000000..265e8f78c14
--- /dev/null
+++ b/.chronus/changes/add-noauth-union-python-tests-2026-03-06-02-30-00.md
@@ -0,0 +1,7 @@
+---
+changeKind: internal
+packages:
+  - "@typespec/http-client-python"
+---
+
+Add mock API tests for authentication/noauth/union Spector case (sync + async).
diff --git a/packages/http-client-python/generator/test/generic_mock_api_tests/asynctests/test_authentication_async.py b/packages/http-client-python/generator/test/generic_mock_api_tests/asynctests/test_authentication_async.py
index 357eed73603..2276efaf9ca 100644
--- a/packages/http-client-python/generator/test/generic_mock_api_tests/asynctests/test_authentication_async.py
+++ b/packages/http-client-python/generator/test/generic_mock_api_tests/asynctests/test_authentication_async.py
@@ -9,7 +9,7 @@
 from authentication.oauth2.aio import OAuth2Client
 from authentication.union.aio import UnionClient
 from setuppy.authentication.union.aio import UnionClient as SetuppyUnionClient
-
+from authentication.noauth.union.aio import UnionClient as NoauthUnionClient
 
 # Utilities functions
 
@@ -113,6 +113,18 @@ async def test_union_tokenvalid(oauth2_client, union_client_type):
     await client.valid_token(enforce_https=False)
 
 
+@pytest.mark.asyncio
+async def test_noauth_union_valid_no_auth():
+    client = NoauthUnionClient()
+    await client.valid_no_auth()
+
+
+@pytest.mark.asyncio
+async def test_noauth_union_valid_token(oauth2_client):
+    client = oauth2_client(NoauthUnionClient)
+    await client.valid_token(enforce_https=False)
+
+
 @pytest.mark.asyncio
 async def test_http_custom_valid(http_custom_client):
     client = http_custom_client()
diff --git a/packages/http-client-python/generator/test/generic_mock_api_tests/test_authentication.py b/packages/http-client-python/generator/test/generic_mock_api_tests/test_authentication.py
index f5ed841ecc2..aaa000a85c9 100644
--- a/packages/http-client-python/generator/test/generic_mock_api_tests/test_authentication.py
+++ b/packages/http-client-python/generator/test/generic_mock_api_tests/test_authentication.py
@@ -8,9 +8,9 @@
 from authentication.oauth2 import OAuth2Client
 from authentication.union import UnionClient
 from setuppy.authentication.union import UnionClient as SetuppyUnionClient
+from authentication.noauth.union import UnionClient as NoauthUnionClient
 from authentication.http.custom import CustomClient
 
-
 # Utilities functions
 
 
@@ -107,6 +107,16 @@ def test_union_tokenvalid(oauth2_client, union_client_type):
     client.valid_token(enforce_https=False)
 
 
+def test_noauth_union_valid_no_auth():
+    client = NoauthUnionClient()
+    client.valid_no_auth()
+
+
+def test_noauth_union_valid_token(oauth2_client):
+    client = oauth2_client(NoauthUnionClient)
+    client.valid_token(enforce_https=False)
+
+
 def test_http_custom_valid(http_custom_client):
     client = http_custom_client()
     client.valid()