[python] Fix nightly build (#9604)

PR summary:

- Fix nightly build
nightly build failure is caused by spector case about Http.File:
#9513.

Before complete design for Http.File, we skip those test cases for now

- Add some test cases

Author: msyyc

.chronus/changes/python-nightly-fix-2026-1-9-5-47-21.md

@@ -0,0 +1,7 @@
+---
+changeKind: internal
+packages:
+  - "@typespec/http-client-python"
+---
+
+Add test case

packages/http-client-python/eng/scripts/ci/regenerate.ts

@@ -22,7 +22,7 @@ const argv = parseArgs({
 });
 
 // Add this near the top with other constants
-const SKIP_SPECS: string[] = [];
+const SKIP_SPECS: string[] = ["type/file"];
 
 // Get the directory of the current file
 const PLUGIN_DIR = argv.values.pluginDir
@@ -49,8 +49,14 @@ const AZURE_EMITTER_OPTIONS: Record<string, Record<string, string> | Record<stri
   "azure/client-generator-core/api-version": {
     namespace: "specs.azure.clientgenerator.core.apiversion",
   },
-  "azure/client-generator-core/client-initialization": {
-    namespace: "specs.azure.clientgenerator.core.clientinitialization",
+  "azure/client-generator-core/client-initialization/default": {
+    namespace: "specs.azure.clientgenerator.core.clientinitialization.default",
+  },
+  "azure/client-generator-core/client-initialization/individually": {
+    namespace: "specs.azure.clientgenerator.core.clientinitialization.individually",
+  },
+  "azure/client-generator-core/client-initialization/individuallyParent": {
+    namespace: "specs.azure.clientgenerator.core.clientinitialization.individuallyparent",
   },
   "azure/client-generator-core/client-location": {
     namespace: "specs.azure.clientgenerator.core.clientlocation",
@@ -279,6 +285,10 @@ const EMITTER_OPTIONS: Record<string, Record<string, string> | Record<string, st
     "package-name": "typetest-discriminatedunion",
     namespace: "typetest.discriminatedunion",
   },
+  "type/file": {
+    "package-name": "typetest-file",
+    namespace: "typetest.file",
+  },
   documentation: {
     "package-name": "specs-documentation",
     namespace: "specs.documentation",

packages/http-client-python/generator/test/azure/mock_api_tests/asynctests/test_azure_client_generator_core_client_initialization_async.py

@@ -4,15 +4,14 @@
 # license information.
 # --------------------------------------------------------------------------
 import pytest
-from specs.azure.clientgenerator.core.clientinitialization.aio import (
+from specs.azure.clientgenerator.core.clientinitialization.default.aio import (
     HeaderParamClient,
     MultipleParamsClient,
     MixedParamsClient,
     PathParamClient,
     ParamAliasClient,
-    ParentClient,
 )
-from specs.azure.clientgenerator.core.clientinitialization.models import Input
+from specs.azure.clientgenerator.core.clientinitialization.default.models import Input
 
 
 @pytest.mark.asyncio

packages/http-client-python/generator/test/azure/mock_api_tests/asynctests/test_payload_multipart_async.py

@@ -184,3 +184,33 @@ async def test_optional_parts(client: MultiPartClient):
             profile_image=open(str(JPG), "rb"),
         )
     )
+
+
+@pytest.mark.asyncio
+async def test_file_upload_file_specific_content_type(client: MultiPartClient):
+    await client.form_data.file.upload_file_specific_content_type(
+        models.UploadFileSpecificContentTypeRequest(
+            file=("image.png", open(str(PNG), "rb"), "image/png"),
+        )
+    )
+
+
+@pytest.mark.asyncio
+async def test_file_upload_file_required_filename(client: MultiPartClient):
+    await client.form_data.file.upload_file_required_filename(
+        models.UploadFileRequiredFilenameRequest(
+            file=("image.png", open(str(PNG), "rb"), "image/png"),
+        )
+    )
+
+
+@pytest.mark.asyncio
+async def test_file_upload_file_array(client: MultiPartClient):
+    await client.form_data.file.upload_file_array(
+        models.UploadFileArrayRequest(
+            files=[
+                ("image.png", open(str(PNG), "rb"), "image/png"),
+                ("image.png", open(str(PNG), "rb"), "image/png"),
+            ],
+        )
+    )

packages/http-client-python/generator/test/azure/mock_api_tests/test_azure_client_generator_core_client_initialization.py

@@ -3,15 +3,14 @@
 # Licensed under the MIT License. See License.txt in the project root for
 # license information.
 # --------------------------------------------------------------------------
-from specs.azure.clientgenerator.core.clientinitialization import (
+from specs.azure.clientgenerator.core.clientinitialization.default import (
     HeaderParamClient,
     MultipleParamsClient,
     MixedParamsClient,
     PathParamClient,
     ParamAliasClient,
-    ParentClient,
 )
-from specs.azure.clientgenerator.core.clientinitialization.models import Input
+from specs.azure.clientgenerator.core.clientinitialization.default.models import Input
 
 
 def test_header_param_client():

packages/http-client-python/generator/test/azure/mock_api_tests/test_payload_multipart.py

@@ -169,3 +169,30 @@ def test_optional_parts(client: MultiPartClient):
             profile_image=open(str(JPG), "rb"),
         )
     )
+
+
+def test_file_upload_file_specific_content_type(client: MultiPartClient):
+    client.form_data.file.upload_file_specific_content_type(
+        models.UploadFileSpecificContentTypeRequest(
+            file=("image.png", open(str(PNG), "rb"), "image/png"),
+        )
+    )
+
+
+def test_file_upload_file_required_filename(client: MultiPartClient):
+    client.form_data.file.upload_file_required_filename(
+        models.UploadFileRequiredFilenameRequest(
+            file=("image.png", open(str(PNG), "rb"), "image/png"),
+        )
+    )
+
+
+def test_file_upload_file_array(client: MultiPartClient):
+    client.form_data.file.upload_file_array(
+        models.UploadFileArrayRequest(
+            files=[
+                ("image.png", open(str(PNG), "rb"), "image/png"),
+                ("image.png", open(str(PNG), "rb"), "image/png"),
+            ],
+        )
+    )

packages/http-client-python/generator/test/azure/requirements.txt

@@ -7,7 +7,9 @@ azure-mgmt-core==1.6.0
 -e ./generated/azure-client-generator-core-api-version-header
 -e ./generated/azure-client-generator-core-api-version-path
 -e ./generated/azure-client-generator-core-api-version-query
--e ./generated/azure-client-generator-core-client-initialization
+-e ./generated/azure-client-generator-core-client-initialization-default
+-e ./generated/azure-client-generator-core-client-initialization-individually
+-e ./generated/azure-client-generator-core-client-initialization-individuallyparent
 -e ./generated/azure-client-generator-core-deserialize-empty-string-as-null
 -e ./generated/azure-client-generator-core-flatten-property
 -e ./generated/azure-client-generator-core-hierarchy-building
@@ -82,6 +84,7 @@ azure-mgmt-core==1.6.0
 -e ./generated/typetest-dictionary
 -e ./generated/typetest-enum-extensible
 -e ./generated/typetest-enum-fixed
+# -e ./generated/typetest-file
 -e ./generated/typetest-model-enumdiscriminator
 -e ./generated/typetest-model-nesteddiscriminator
 -e ./generated/typetest-model-notdiscriminated

packages/http-client-python/generator/test/generic_mock_api_tests/asynctests/test_typetest_file_async.py

@@ -0,0 +1,59 @@
+# -------------------------------------------------------------------------
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License. See License.txt in the project root for
+# license information.
+# --------------------------------------------------------------------------
+# after we support Http.File case, enable these tests again
+
+
+# import json
+
+# import pytest
+# from typetest.file.aio import FileClient
+
+
+# @pytest.fixture
+# async def client():
+#     async with FileClient(endpoint="http://localhost:3000") as client:
+#         yield client
+
+
+# @pytest.mark.asyncio
+# async def test_upload_file_specific_content_type(client: FileClient, png_data: bytes):
+#     await client.body.upload_file_specific_content_type(png_data)
+
+
+# # Do not support this case for now
+# # @pytest.mark.asyncio
+# # async def test_upload_file_json_content_type(client: FileClient):
+# #     await client.body.upload_file_json_content_type(json.dumps({"message": "test file content"}).encode())
+
+
+# # although result is expected but actually there is deserialization issue
+# # @pytest.mark.asyncio
+# # async def test_download_file_json_content_type(client: FileClient):
+# #     result = await client.body.download_file_json_content_type()
+# #     assert result == {"message": "test file content"}
+
+
+# @pytest.mark.asyncio
+# async def test_download_file_specific_content_type(client: FileClient, png_data: bytes):
+#     result = b"".join([d async for d in (await client.body.download_file_specific_content_type())])
+#     assert result == png_data
+
+
+# @pytest.mark.asyncio
+# async def test_download_file_multiple_content_types(client: FileClient, png_data: bytes):
+#     result = b"".join([d async for d in (await client.body.download_file_multiple_content_types())])
+#     assert result == png_data
+
+
+# @pytest.mark.asyncio
+# async def test_upload_file_default_content_type(client: FileClient, png_data: bytes):
+#     await client.body.upload_file_default_content_type(png_data, content_type="image/png")
+
+
+# @pytest.mark.asyncio
+# async def test_download_file_default_content_type(client: FileClient, png_data: bytes):
+#     result = b"".join([d async for d in (await client.body.download_file_default_content_type())])
+#     assert result == png_data

packages/http-client-python/generator/test/generic_mock_api_tests/test_typetest_file.py

@@ -0,0 +1,52 @@
+# -------------------------------------------------------------------------
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License. See License.txt in the project root for
+# license information.
+# --------------------------------------------------------------------------
+
+# after we support Http.File case, enable these tests again
+
+# import json
+
+# import pytest
+# from typetest.file import FileClient
+
+
+# @pytest.fixture
+# def client():
+#     with FileClient(endpoint="http://localhost:3000") as client:
+#         yield client
+
+
+# def test_upload_file_specific_content_type(client: FileClient, png_data: bytes):
+#     client.body.upload_file_specific_content_type(png_data)
+
+
+# # Do not support this case for now
+# # def test_upload_file_json_content_type(client: FileClient):
+# #     client.body.upload_file_json_content_type(json.dumps({"message": "test file content"}).encode())
+
+
+# # although result is expected but actually there is deserialization issue
+# # def test_download_file_json_content_type(client: FileClient):
+# #     result = client.body.download_file_json_content_type()
+# #     assert result == {"message": "test file content"}
+
+
+# def test_download_file_specific_content_type(client: FileClient, png_data: bytes):
+#     result = b"".join(client.body.download_file_specific_content_type())
+#     assert result == png_data
+
+
+# def test_download_file_multiple_content_types(client: FileClient, png_data: bytes):
+#     result = b"".join(client.body.download_file_multiple_content_types())
+#     assert result == png_data
+
+
+# def test_upload_file_default_content_type(client: FileClient, png_data: bytes):
+#     client.body.upload_file_default_content_type(png_data, content_type="image/png")
+
+
+# def test_download_file_default_content_type(client: FileClient, png_data: bytes):
+#     result = b"".join(client.body.download_file_default_content_type())
+#     assert result == png_data

packages/http-client-python/generator/test/unbranded/mock_api_tests/asynctests/test_payload_multipart_async.py

@@ -8,6 +8,7 @@
 from payload.multipart import models
 from payload.multipart.aio import MultiPartClient
 from payload.multipart.formdata.httpparts.nonstring.models import FloatRequest
+from payload.multipart.formdata.file import models as file_models
 
 JPG = Path(__file__).parent.parent / "data/image.jpg"
 PNG = Path(__file__).parent.parent / "data/image.png"
@@ -185,3 +186,33 @@ async def test_optional_parts(client: MultiPartClient):
             profile_image=open(str(JPG), "rb"),
         )
     )
+
+
+@pytest.mark.asyncio
+async def test_file_upload_file_specific_content_type(client: MultiPartClient):
+    await client.form_data.file.upload_file_specific_content_type(
+        file_models.UploadFileSpecificContentTypeRequest(
+            file=("image.png", open(str(PNG), "rb"), "image/png"),
+        )
+    )
+
+
+@pytest.mark.asyncio
+async def test_file_upload_file_required_filename(client: MultiPartClient):
+    await client.form_data.file.upload_file_required_filename(
+        file_models.UploadFileRequiredFilenameRequest(
+            file=("image.png", open(str(PNG), "rb"), "image/png"),
+        )
+    )
+
+
+@pytest.mark.asyncio
+async def test_file_upload_file_array(client: MultiPartClient):
+    await client.form_data.file.upload_file_array(
+        file_models.UploadFileArrayRequest(
+            files=[
+                ("image.png", open(str(PNG), "rb"), "image/png"),
+                ("image.png", open(str(PNG), "rb"), "image/png"),
+            ],
+        )
+    )