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# Copyright(c) Open Law Library. All rights reserved.                      #
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# Licensed under the Apache License, Version 2.0 (the "License")           #
# you may not use this file except in compliance with the License.         #
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#     http: // www.apache.org/licenses/LICENSE-2.0                         #
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# Unless required by applicable law or agreed to in writing, software      #
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# See the License for the specific language governing permissions and      #
# limitations under the License.                                           #
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from typing import List, Optional

from lsprotocol.types import TEXT_DOCUMENT_CODE_LENS
from lsprotocol.types import (
    CodeLens,
    CodeLensOptions,
    CodeLensParams,
    Command,
    Position,
    Range,
    TextDocumentIdentifier,
)

from ..conftest import ClientServer


class ConfiguredLS(ClientServer):
    def __init__(self):
        super().__init__()

        @self.server.feature(
            TEXT_DOCUMENT_CODE_LENS,
            CodeLensOptions(resolve_provider=False),
        )
        def f(params: CodeLensParams) -> Optional[List[CodeLens]]:
            if params.text_document.uri == "file://return.list":
                return [
                    CodeLens(
                        range=Range(
                            start=Position(line=0, character=0),
                            end=Position(line=1, character=1),
                        ),
                        command=Command(
                            title="cmd1",
                            command="cmd1",
                        ),
                        data="some data",
                    ),
                ]
            else:
                return None


@ConfiguredLS.decorate()
def test_capabilities(client_server):
    _, server = client_server
    capabilities = server.server_capabilities

    assert capabilities.code_lens_provider
    assert not capabilities.code_lens_provider.resolve_provider


@ConfiguredLS.decorate()
def test_code_lens_return_list(client_server):
    client, _ = client_server
    response = client.lsp.send_request(
        TEXT_DOCUMENT_CODE_LENS,
        CodeLensParams(text_document=TextDocumentIdentifier(uri="file://return.list")),
    ).result()

    assert response[0].data == "some data"
    assert response[0].range.start.line == 0
    assert response[0].range.start.character == 0
    assert response[0].range.end.line == 1
    assert response[0].range.end.character == 1
    assert response[0].command.title == "cmd1"
    assert response[0].command.command == "cmd1"


@ConfiguredLS.decorate()
def test_code_lens_return_none(client_server):
    client, _ = client_server
    response = client.lsp.send_request(
        TEXT_DOCUMENT_CODE_LENS,
        CodeLensParams(text_document=TextDocumentIdentifier(uri="file://return.none")),
    ).result()

    assert response is None