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from typing import Tuple

from lsprotocol import types

from ..client import LanguageClient


async def test_code_actions(
    code_action_client: Tuple[LanguageClient, types.InitializeResult], uri_for
):
    """Ensure that the example code action server is working as expected."""
    client, initialize_result = code_action_client

    code_action_options = initialize_result.capabilities.code_action_provider
    assert code_action_options.code_action_kinds == [types.CodeActionKind.QuickFix]

    test_uri = uri_for("sums.txt")
    assert test_uri is not None

    response = await client.text_document_code_action_async(
        types.CodeActionParams(
            text_document=types.TextDocumentIdentifier(uri=test_uri),
            range=types.Range(
                start=types.Position(line=0, character=0),
                end=types.Position(line=1, character=0),
            ),
            context=types.CodeActionContext(diagnostics=[]),
        )
    )

    assert len(response) == 1
    code_action = response[0]

    assert code_action.title == "Evaluate '1 + 1 ='"
    assert code_action.kind == types.CodeActionKind.QuickFix

    fix = code_action.edit.changes[test_uri][0]
    expected_range = types.Range(
        start=types.Position(line=0, character=0),
        end=types.Position(line=0, character=7),
    )

    assert fix.range == expected_range
    assert fix.new_text == "1 + 1 = 2!"