docs(standard-tests): enrich doc to indicate missing default values (#34179)

libs/standard-tests/langchain_tests/integration_tests/chat_models.py

@@ -320,7 +320,7 @@ class ChatModelIntegrationTests(ChatModelTests):
         When using JSON mode, you must prompt the model to output JSON in your
         message.
 
-        Example:
+    Example:
             ```python
             structured_llm = llm.with_structured_output(MySchema, method="json_mode")
             structured_llm.invoke("... Return the result as JSON.")
@@ -490,6 +490,8 @@ class ChatModelIntegrationTests(ChatModelTests):
         Boolean property indicating whether the chat model supports Anthropic-style
         inputs.
 
+        Defaults to `False`.
+
         These inputs might feature "tool use" and "tool result" content blocks, e.g.,
 
         ```python
@@ -510,13 +512,15 @@ class ChatModelIntegrationTests(ChatModelTests):
         ```python
         @property
         def supports_anthropic_inputs(self) -> bool:
-            return False
+            return True
         ```
 
     ??? info "`supports_image_tool_message`"
 
         Boolean property indicating whether the chat model supports a `ToolMessage`
-        that includes image content, e.g. in the OpenAI Chat Completions format:
+        that includes image content, e.g. in the OpenAI Chat Completions format.
+
+        Defaults to `False`.
 
         ```python
         ToolMessage(
@@ -553,13 +557,15 @@ class ChatModelIntegrationTests(ChatModelTests):
         ```python
         @property
         def supports_image_tool_message(self) -> bool:
-            return False
+            return True
         ```
 
     ??? info "`supports_pdf_tool_message`"
 
-        Boolean property indicating whether the chat model supports a `ToolMessage
-        that include PDF content using the LangChain `FileContentBlock` format:
+        Boolean property indicating whether the chat model supports a `ToolMessage`
+        that includes PDF content using the LangChain `FileContentBlock` format.
+
+        Defaults to `False`.
 
         ```python
         ToolMessage(
@@ -581,7 +587,7 @@ class ChatModelIntegrationTests(ChatModelTests):
         ```python
         @property
         def supports_pdf_tool_message(self) -> bool:
-            return False
+            return True
         ```
 
     ??? info "`supported_usage_metadata_details`"
@@ -589,6 +595,8 @@ class ChatModelIntegrationTests(ChatModelTests):
         Property controlling what usage metadata details are emitted in both invoke
         and stream.
 
+        Defaults to `{"invoke": [], "stream": []}`.
+
         `usage_metadata` is an optional dict attribute on `AIMessage` objects that track
         input and output tokens.
 
@@ -606,6 +614,8 @@ class ChatModelIntegrationTests(ChatModelTests):
         [VCR](https://vcrpy.readthedocs.io/en/latest/) caching of HTTP calls, such
         as benchmarking tests.
 
+        Defaults to `False`.
+
         To enable these tests, follow these steps:
 
         1. Override the `enable_vcr_tests` property to return `True`:
@@ -732,8 +742,7 @@ class ChatModelIntegrationTests(ChatModelTests):
 
         3. Run tests to generate VCR cassettes.
 
-            Example:
-            ```bash
+            ```bash title="Example"
             uv run python -m pytest tests/integration_tests/test_chat_models.py::TestMyModel::test_stream_time
             ```
 
@@ -748,7 +757,7 @@ class ChatModelIntegrationTests(ChatModelTests):
 
             You can then commit the cassette to your repository. Subsequent test runs
             will use the cassette instead of making HTTP calls.
-    '''  # noqa: E501,D214
+    '''  # noqa: E501
 
     @property
     def standard_chat_model_params(self) -> dict:

libs/standard-tests/langchain_tests/unit_tests/chat_models.py

@@ -822,8 +822,7 @@ class ChatModelUnitTests(ChatModelTests):
 
         3. Run tests to generate VCR cassettes.
 
-            Example:
-            ```bash
+            ```bash title="Example"
             uv run python -m pytest tests/integration_tests/test_chat_models.py::TestMyModel::test_stream_time
             ```