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test_list_parser.py — langchain Source File

Architecture documentation for test_list_parser.py, a python file in the langchain codebase. 4 imports, 0 dependents.

File python CoreAbstractions RunnableInterface 4 imports 11 functions

Entity Profile

Dependency Diagram

graph LR
  8ae9f33a_614d_1533_e9a3_2a17ed09b1eb["test_list_parser.py"]
  cfe2bde5_180e_e3b0_df2b_55b3ebaca8e7["collections.abc"]
  8ae9f33a_614d_1533_e9a3_2a17ed09b1eb --> cfe2bde5_180e_e3b0_df2b_55b3ebaca8e7
  8e2034b7_ceb8_963f_29fc_2ea6b50ef9b3["typing"]
  8ae9f33a_614d_1533_e9a3_2a17ed09b1eb --> 8e2034b7_ceb8_963f_29fc_2ea6b50ef9b3
  e2506531_acbb_2ada_3335_6574849e4389["langchain_core.output_parsers.list"]
  8ae9f33a_614d_1533_e9a3_2a17ed09b1eb --> e2506531_acbb_2ada_3335_6574849e4389
  81c04601_d095_a27d_4af1_55e771bb2b6b["langchain_core.runnables.utils"]
  8ae9f33a_614d_1533_e9a3_2a17ed09b1eb --> 81c04601_d095_a27d_4af1_55e771bb2b6b
  style 8ae9f33a_614d_1533_e9a3_2a17ed09b1eb fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

from collections.abc import AsyncIterator, Iterable
from typing import TypeVar

from langchain_core.output_parsers.list import (
    CommaSeparatedListOutputParser,
    MarkdownListOutputParser,
    NumberedListOutputParser,
)
from langchain_core.runnables.utils import aadd, add


def test_single_item() -> None:
    """Test that a string with a single item is parsed to a list with that item."""
    parser = CommaSeparatedListOutputParser()
    text = "foo"
    expected = ["foo"]

    assert parser.parse(text) == expected
    assert add(parser.transform(t for t in text)) == expected
    assert list(parser.transform(t for t in text)) == [[a] for a in expected]
    assert list(parser.transform(t for t in text.splitlines(keepends=True))) == [
        [a] for a in expected
    ]
    assert list(
        parser.transform(" " + t if i > 0 else t for i, t in enumerate(text.split(" ")))
    ) == [[a] for a in expected]
    assert list(parser.transform(iter([text]))) == [[a] for a in expected]


def test_multiple_items_with_spaces() -> None:
    """Test multiple items with spaces.

    Test that a string with multiple comma-separated items
    with spaces is parsed to a list.
    """
    parser = CommaSeparatedListOutputParser()
    text = "foo, bar, baz"
    expected = ["foo", "bar", "baz"]

    assert parser.parse(text) == expected
    assert add(parser.transform(t for t in text)) == expected
    assert list(parser.transform(t for t in text)) == [[a] for a in expected]
    assert list(parser.transform(t for t in text.splitlines(keepends=True))) == [
        [a] for a in expected
    ]
    assert list(
        parser.transform(" " + t if i > 0 else t for i, t in enumerate(text.split(" ")))
    ) == [[a] for a in expected]
    assert list(parser.transform(iter([text]))) == [[a] for a in expected]


def test_multiple_items() -> None:
    """Test that a string with multiple comma-separated items is parsed to a list."""
    parser = CommaSeparatedListOutputParser()
    text = "foo,bar,baz"
    expected = ["foo", "bar", "baz"]

    assert parser.parse(text) == expected
    assert add(parser.transform(t for t in text)) == expected
    assert list(parser.transform(t for t in text)) == [[a] for a in expected]
// ... (255 more lines)

Domain

Subdomains

Functions

Dependencies

  • collections.abc
  • langchain_core.output_parsers.list
  • langchain_core.runnables.utils
  • typing

Source

Frequently Asked Questions

What does test_list_parser.py do?
test_list_parser.py is a source file in the langchain codebase, written in python. It belongs to the CoreAbstractions domain, RunnableInterface subdomain.
What functions are defined in test_list_parser.py?
test_list_parser.py defines 11 function(s): aiter_from_iter, test_markdown_list, test_markdown_list_async, test_multiple_items, test_multiple_items_async, test_multiple_items_with_comma, test_multiple_items_with_spaces, test_numbered_list, test_numbered_list_async, test_single_item, and 1 more.
What does test_list_parser.py depend on?
test_list_parser.py imports 4 module(s): collections.abc, langchain_core.output_parsers.list, langchain_core.runnables.utils, typing.
Where is test_list_parser.py in the architecture?
test_list_parser.py is located at libs/core/tests/unit_tests/output_parsers/test_list_parser.py (domain: CoreAbstractions, subdomain: RunnableInterface, directory: libs/core/tests/unit_tests/output_parsers).

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