langchain/libs/core/tests/unit_tests/runnables/__snapshots__/test_fallbacks.ambr

# serializer version: 1
# name: test_fallbacks[chain]
  '''
  {
    "lc": 1,
    "type": "constructor",
    "id": [
      "langchain",
      "schema",
      "runnable",
      "RunnableSequence"
    ],
    "kwargs": {
      "first": {
        "lc": 1,
        "type": "constructor",
        "id": [
          "langchain",
          "schema",
          "runnable",
          "RunnableParallel"
        ],
        "kwargs": {
          "steps": {
            "buz": {
              "lc": 1,
              "type": "not_implemented",
              "id": [
                "langchain_core",
                "runnables",
                "base",
                "RunnableLambda"
              ],
              "repr": "RunnableLambda(lambda x: x)"
            }
          }
        }
      },
      "middle": [],
      "last": {
        "lc": 1,
        "type": "constructor",
        "id": [
          "langchain",
          "schema",
          "runnable",
          "RunnableWithFallbacks"
        ],
        "kwargs": {
          "runnable": {
            "lc": 1,
            "type": "constructor",
            "id": [
              "langchain",
              "schema",
              "runnable",
              "RunnableSequence"
            ],
            "kwargs": {
              "first": {
                "lc": 1,
                "type": "constructor",
                "id": [
                  "langchain",
                  "prompts",
                  "prompt",
                  "PromptTemplate"
                ],
                "kwargs": {
                  "input_variables": [
                    "buz"
                  ],
                  "template": "what did baz say to {buz}",
                  "template_format": "f-string",
                  "partial_variables": {}
                }
              },
              "middle": [],
              "last": {
                "lc": 1,
                "type": "not_implemented",
                "id": [
                  "tests",
                  "unit_tests",
                  "fake",
                  "llm",
                  "FakeListLLM"
                ],
                "repr": "FakeListLLM(responses=['foo'], i=1)"
              },
              "name": null
            }
          },
          "fallbacks": [
            {
              "lc": 1,
              "type": "constructor",
              "id": [
                "langchain",
                "schema",
                "runnable",
                "RunnableSequence"
              ],
              "kwargs": {
                "first": {
                  "lc": 1,
                  "type": "constructor",
                  "id": [
                    "langchain",
                    "prompts",
                    "prompt",
                    "PromptTemplate"
                  ],
                  "kwargs": {
                    "input_variables": [
                      "buz"
                    ],
                    "template": "what did baz say to {buz}",
                    "template_format": "f-string",
                    "partial_variables": {}
                  }
                },
                "middle": [],
                "last": {
                  "lc": 1,
                  "type": "not_implemented",
                  "id": [
                    "tests",
                    "unit_tests",
                    "fake",
                    "llm",
                    "FakeListLLM"
                  ],
                  "repr": "FakeListLLM(responses=['bar'])"
                },
                "name": null
              }
            }
          ],
          "exceptions_to_handle": [
            {
              "lc": 1,
              "type": "not_implemented",
              "id": [
                "builtins",
                "Exception"
              ],
              "repr": "<class 'Exception'>"
            }
          ],
          "exception_key": null
        }
      },
      "name": null
    }
  }
  '''
# ---
# name: test_fallbacks[chain_pass_exceptions]
  '''
  {
    "lc": 1,
    "type": "constructor",
    "id": [
      "langchain",
      "schema",
      "runnable",
      "RunnableSequence"
    ],
    "kwargs": {
      "first": {
        "lc": 1,
        "type": "constructor",
        "id": [
          "langchain",
          "schema",
          "runnable",
          "RunnableParallel"
        ],
        "kwargs": {
          "steps": {
            "text": {
              "lc": 1,
              "type": "constructor",
              "id": [
                "langchain",
                "schema",
                "runnable",
                "RunnablePassthrough"
              ],
              "kwargs": {
                "func": null,
                "afunc": null,
                "input_type": null
              }
            }
          }
        }
      },
      "middle": [],
      "last": {
        "lc": 1,
        "type": "constructor",
        "id": [
          "langchain",
          "schema",
          "runnable",
          "RunnableWithFallbacks"
        ],
        "kwargs": {
          "runnable": {
            "lc": 1,
            "type": "not_implemented",
            "id": [
              "langchain_core",
              "runnables",
              "base",
              "RunnableLambda"
            ],
            "repr": "RunnableLambda(_raise_error)"
          },
          "fallbacks": [
            {
              "lc": 1,
              "type": "not_implemented",
              "id": [
                "langchain_core",
                "runnables",
                "base",
                "RunnableLambda"
              ],
              "repr": "RunnableLambda(_dont_raise_error)"
            }
          ],
          "exceptions_to_handle": [
            {
              "lc": 1,
              "type": "not_implemented",
              "id": [
                "builtins",
                "Exception"
              ],
              "repr": "<class 'Exception'>"
            }
          ],
          "exception_key": "exception"
        }
      },
      "name": null
    }
  }
  '''
# ---
# name: test_fallbacks[llm]
  '''
  {
    "lc": 1,
    "type": "constructor",
    "id": [
      "langchain",
      "schema",
      "runnable",
      "RunnableWithFallbacks"
    ],
    "kwargs": {
      "runnable": {
        "lc": 1,
        "type": "not_implemented",
        "id": [
          "tests",
          "unit_tests",
          "fake",
          "llm",
          "FakeListLLM"
        ],
        "repr": "FakeListLLM(responses=['foo'], i=1)"
      },
      "fallbacks": [
        {
          "lc": 1,
          "type": "not_implemented",
          "id": [
            "tests",
            "unit_tests",
            "fake",
            "llm",
            "FakeListLLM"
          ],
          "repr": "FakeListLLM(responses=['bar'])"
        }
      ],
      "exceptions_to_handle": [
        {
          "lc": 1,
          "type": "not_implemented",
          "id": [
            "builtins",
            "Exception"
          ],
          "repr": "<class 'Exception'>"
        }
      ],
      "exception_key": null
    }
  }
  '''
# ---
# name: test_fallbacks[llm_multi]
  '''
  {
    "lc": 1,
    "type": "constructor",
    "id": [
      "langchain",
      "schema",
      "runnable",
      "RunnableWithFallbacks"
    ],
    "kwargs": {
      "runnable": {
        "lc": 1,
        "type": "not_implemented",
        "id": [
          "tests",
          "unit_tests",
          "fake",
          "llm",
          "FakeListLLM"
        ],
        "repr": "FakeListLLM(responses=['foo'], i=1)"
      },
      "fallbacks": [
        {
          "lc": 1,
          "type": "not_implemented",
          "id": [
            "tests",
            "unit_tests",
            "fake",
            "llm",
            "FakeListLLM"
          ],
          "repr": "FakeListLLM(responses=['baz'], i=1)"
        },
        {
          "lc": 1,
          "type": "not_implemented",
          "id": [
            "tests",
            "unit_tests",
            "fake",
            "llm",
            "FakeListLLM"
          ],
          "repr": "FakeListLLM(responses=['bar'])"
        }
      ],
      "exceptions_to_handle": [
        {
          "lc": 1,
          "type": "not_implemented",
          "id": [
            "builtins",
            "Exception"
          ],
          "repr": "<class 'Exception'>"
        }
      ],
      "exception_key": null
    }
  }
  '''
# ---