build: add pins for Anthropic (#1811)

* build: add pins for Anthropic

* rm file incorrectly added

Author: anakin87

.github/workflows/anthropic.yml

@@ -57,9 +57,16 @@ jobs:
       - name: Run tests
         run: hatch run cov-retry
 
+      - name: Run unit tests with lowest direct dependencies
+        run: |
+          hatch run uv pip compile pyproject.toml --resolution lowest-direct --output-file requirements_lowest_direct.txt
+          hatch run uv pip install -r requirements_lowest_direct.txt
+          hatch run test -m "not integration"
+
       - name: Nightly - run unit tests with Haystack main branch
         if: github.event_name == 'schedule'
         run: |
+          hatch env prune
           hatch run uv pip install git+https://github.com/deepset-ai/haystack.git@main
           hatch run cov-retry -m "not integration"
 

integrations/anthropic/pyproject.toml

@@ -23,7 +23,7 @@ classifiers = [
   "Programming Language :: Python :: Implementation :: CPython",
   "Programming Language :: Python :: Implementation :: PyPy",
 ]
-dependencies = ["haystack-ai>=2.9.0", "anthropic"]
+dependencies = ["haystack-ai>=2.11.0", "anthropic>=0.47.0"]
 
 [project.urls]
 Documentation = "https://github.com/deepset-ai/haystack-core-integrations/tree/main/integrations/anthropic#readme"

integrations/anthropic/tests/test_chat_generator.py

@@ -339,6 +339,12 @@ def test_convert_anthropic_chunk_to_streaming_chunk(self):
         )
         streaming_chunk = component._convert_anthropic_chunk_to_streaming_chunk(message_start_chunk)
         assert streaming_chunk.content == ""
+
+        # remove fields not present in the pinned version of the Anthropic SDK.
+        # This ensures the test passes with both the pinned and the latest version of the Anthropic SDK.
+        streaming_chunk.meta["message"]["usage"].pop("server_tool_use", None)
+        streaming_chunk.meta["message"]["usage"].pop("service_tier", None)
+
         assert streaming_chunk.meta == {
             "type": "message_start",
             "message": {
@@ -354,8 +360,6 @@ def test_convert_anthropic_chunk_to_streaming_chunk(self):
                     "output_tokens": 1,
                     "cache_creation_input_tokens": None,
                     "cache_read_input_tokens": None,
-                    "server_tool_use": None,
-                    "service_tier": None,
                 },
             },
         }