Function complete_at_raw

tests/integration/completion_strings.rs:16–48

Helper: open a file and request completion at the given line/character. Returns `None` when the server returns `Ok(None)` (i.e. no completions at all), and `Some(items)` otherwise.

(
    backend: &phpantom_lsp::Backend,
    uri: &Url,
    text: &str,
    line: u32,
    character: u32,
)

/// Returns `None` when the server returns `Ok(None)` (i.e. no completions
/// at all), and `Some(items)` otherwise.
async fn complete_at_raw(
    backend: &phpantom_lsp::Backend,
    uri: &Url,
    text: &str,
    line: u32,
    character: u32,
) -> Option<Vec<CompletionItem>> {
    let open_params = DidOpenTextDocumentParams {
        text_document: TextDocumentItem {
            uri: uri.clone(),
            language_id: "php".to_string(),
            version: 1,
            text: text.to_string(),
        },
    };
    backend.did_open(open_params).await;

    let completion_params = CompletionParams {
        text_document_position: TextDocumentPositionParams {
            text_document: TextDocumentIdentifier { uri: uri.clone() },
            position: Position { line, character },
        },
        work_done_progress_params: WorkDoneProgressParams::default(),
        partial_result_params: PartialResultParams::default(),
        context: None,
    };

    match backend.completion(completion_params).await.unwrap() {
        Some(CompletionResponse::Array(items)) => Some(items),
        Some(CompletionResponse::List(list)) => Some(list.items),
        None => None,
    }
}

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//  Single-quoted strings — always suppress