outlines-core 0.2.14

Structured Generation
Documentation 
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import json
import re

import pytest
from pydantic import BaseModel

from outlines_core.json_schema import build_regex_from_schema


def test_build_regex_from_json_schema():
    class FooBar(BaseModel):
        foo: int
        bar: str

    schema = json.dumps(FooBar.model_json_schema())

    regex = build_regex_from_schema(schema)
    expected = """{"foo" : 4 ,"bar":"baz    baz baz bar"}"""
    assert re.fullmatch(regex, expected)

    # any whitespace pattern can be used
    regex = build_regex_from_schema(schema, r"[\n ]*")
    expected = """{     "foo"   :   4, \n\n\n   "bar": "baz    baz baz bar"\n\n}"""
    assert re.fullmatch(regex, expected)


def test_invalid_json():
    with pytest.raises(
        TypeError,
        match="Expected a valid JSON string.",
    ):
        build_regex_from_schema("{'name':")


def test_types_presence_and_not_emptyness():
    from outlines_core.json_schema import (
        BOOLEAN,
        DATE,
        DATE_TIME,
        EMAIL,
        INTEGER,
        NULL,
        NUMBER,
        STRING,
        STRING_INNER,
        TIME,
        URI,
        UUID,
        WHITESPACE,
    )

    assert BOOLEAN
    assert DATE
    assert DATE_TIME
    assert EMAIL
    assert INTEGER
    assert NULL
    assert NUMBER
    assert STRING
    assert STRING_INNER
    assert TIME
    assert URI
    assert UUID
    assert WHITESPACE