Restructure testing docs into overview and subpages

pipeline/preprocessors/link_map.py

@@ -175,6 +175,7 @@ class LinkMap(TypedDict):
             "BaseChatModel.with_retry": "langchain_core/language_models/#langchain_core.language_models.BaseChatModel.with_retry",
             # ??
             "ChatPromptTemplate": "langchain-core/prompts/chat/ChatPromptTemplate",
+            "GenericFakeChatModel": "langchain-core/language_models/fake_chat_models/GenericFakeChatModel",
             # Tools
             "@tool": "langchain-core/tools/convert/tool",
             "BaseTool": "langchain-core/tools/base/BaseTool",
@@ -501,6 +502,7 @@ class LinkMap(TypedDict):
             "Command": "langchain-langgraph/index/Command",
             "CompiledStateGraph": "langchain-langgraph/index/CompiledStateGraph",
             "createAgent": "langchain/index/createAgent",
+            "fakeModel": "langchain/index/fakeModel",
             "createDeepAgent": "deepagents/agent/createDeepAgent",
             "createMiddleware": "langchain/index/createMiddleware",
             "createReactAgent": "langchain-langgraph/prebuilt/createReactAgent",

src/docs.json

@@ -1084,7 +1084,15 @@
                       "group": "Agent development",
                       "pages": [
                             "oss/python/langchain/studio",
-                            "oss/python/langchain/test",
+                            {
+                              "group": "Test",
+                              "pages": [
+                                "oss/python/langchain/test/index",
+                                "oss/python/langchain/test/unit-testing",
+                                "oss/python/langchain/test/integration-testing",
+                                "oss/python/langchain/test/evals"
+                              ]
+                            },
                             "oss/python/langchain/ui"
                       ]
                     },
@@ -1455,7 +1463,15 @@
                       "group": "Agent development",
                       "pages": [
                             "oss/javascript/langchain/studio",
-                            "oss/javascript/langchain/test",
+                            {
+                              "group": "Test",
+                              "pages": [
+                                "oss/javascript/langchain/test/index",
+                                "oss/javascript/langchain/test/unit-testing",
+                                "oss/javascript/langchain/test/integration-testing",
+                                "oss/javascript/langchain/test/evals"
+                              ]
+                            },
                             "oss/javascript/langchain/ui"
                       ]
                     },
@@ -1864,6 +1880,22 @@
       "source": "/oss/javascript/deepagents/cli",
       "destination": "/oss/javascript/deepagents/cli/overview"
     },
+    {
+      "source": "/oss/python/langchain/test",
+      "destination": "/oss/python/langchain/test/index"
+    },
+    {
+      "source": "/oss/javascript/langchain/test",
+      "destination": "/oss/javascript/langchain/test/index"
+    },
+    {
+      "source": "/oss/python/langchain/evals",
+      "destination": "/oss/python/langchain/test/evals"
+    },
+    {
+      "source": "/oss/javascript/langchain/evals",
+      "destination": "/oss/javascript/langchain/test/evals"
+    },
     {
       "source": "/oss/python/deepagents/streaming",
       "destination": "/oss/python/deepagents/streaming/overview"

src/langsmith/cicd-pipeline-example.mdx

@@ -10,7 +10,7 @@ This guide demonstrates how to implement a comprehensive CI/CD pipeline for AI a
 The CI/CD pipeline provides:
 
 - <Icon icon="circle-check" /> **Automated testing**: Unit, integration, and end-to-end tests.
-- <Icon icon="chart-line" /> **Offline evaluations**: Performance assessment using [AgentEvals](/oss/langchain/test), [OpenEvals](/langsmith/prebuilt-evaluators#setup) and [LangSmith](/langsmith/home).
+- <Icon icon="chart-line" /> **Offline evaluations**: Performance assessment using [AgentEvals](/oss/langchain/test/evals), [OpenEvals](/langsmith/prebuilt-evaluators#setup) and [LangSmith](/langsmith/home).
 - <Icon icon="rocket" /> **Preview and production deployments**: Automated staging and quality-gated production releases using the Control Plane API.
 - <Icon icon="eye" /> **Monitoring**: Continuous evaluation and alerting.
 

src/oss/langchain/guardrails.mdx

@@ -690,4 +690,4 @@ const agent = createAgent({
 - [Middleware documentation](/oss/langchain/middleware) - Complete guide to custom middleware
 - [Middleware API reference](https://reference.langchain.com/python/langchain/middleware/) - Complete guide to custom middleware
 - [Human-in-the-loop](/oss/langchain/human-in-the-loop) - Add human review for sensitive operations
-- [Testing agents](/oss/langchain/test) - Strategies for testing safety mechanisms
+- [Testing agents](/oss/langchain/test/) - Strategies for testing safety mechanisms

src/oss/langchain/middleware/custom.mdx

@@ -1529,4 +1529,4 @@ Use @[`SystemMessage.concat`] to preserve cache control metadata or structured c
 
 - [Middleware API reference](https://reference.langchain.com/python/langchain/middleware/)
 - [Built-in middleware](/oss/langchain/middleware/built-in)
-- [Testing agents](/oss/langchain/test)
+- [Testing agents](/oss/langchain/test/)

src/oss/langchain/middleware/overview.mdx

@@ -78,7 +78,7 @@ Middleware exposes hooks before and after each of those steps:
     <Card title="Middleware API reference" icon="book" href="https://reference.langchain.com/python/langchain/middleware/">
         Complete API reference for middleware.
     </Card>
-    <Card title="Testing agents" icon="scale" href="/oss/langchain/test">
+    <Card title="Testing agents" icon="scale" href="/oss/langchain/test/">
         Test your agents with LangSmith.
     </Card>
 </CardGroup>