omena-lsp-server 0.2.0

Rust LSP server boundary scaffold for Omena CSS Modules
Documentation 
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use super::*;

#[test]
fn resolves_source_references_from_asi_imports_without_panicking() {
    let mut state = LspShellState::default();
    handle_lsp_message(
        &mut state,
        json!({
            "jsonrpc": "2.0",
            "id": 1,
            "method": "initialize",
            "params": {
                "workspaceFolders": [
                    {
                        "uri": "file:///workspace-a",
                        "name": "workspace-a",
                    },
                ],
            },
        }),
    );
    handle_lsp_message(
        &mut state,
        json!({
            "jsonrpc": "2.0",
            "method": "textDocument/didOpen",
            "params": {
                "textDocument": {
                    "uri": "file:///workspace-a/src/App.tsx",
                    "languageId": "typescriptreact",
                    "version": 1,
                    "text": "import {WidgetA, WidgetB} from \"@repo/widgets\"\nimport styles from \"./styles.module.scss\"\nconst view = <div className={styles.root} />",
                },
            },
        }),
    );
    let source_index = state
        .document("file:///workspace-a/src/App.tsx")
        .map(|document| document.source_syntax_index.clone());
    assert_eq!(
        source_index
            .as_ref()
            .map(|index| index.imported_style_bindings.as_slice()),
        Some(
            [ImportedStyleBinding {
                binding: "styles".to_string(),
                style_uri: "file:///workspace-a/src/styles.module.scss".to_string(),
            }]
            .as_slice()
        ),
    );

    handle_lsp_message(
        &mut state,
        json!({
            "jsonrpc": "2.0",
            "method": "textDocument/didOpen",
            "params": {
                "textDocument": {
                    "uri": "file:///workspace-a/src/styles.module.scss",
                    "languageId": "scss",
                    "version": 1,
                    "text": ".root { display: block; }",
                },
            },
        }),
    );

    let definition_response = handle_lsp_message(
        &mut state,
        json!({
            "jsonrpc": "2.0",
            "id": 2,
            "method": "textDocument/definition",
            "params": {
                "textDocument": {
                    "uri": "file:///workspace-a/src/App.tsx",
                },
                "position": {
                    "line": 2,
                    "character": 37,
                },
            },
        }),
    );

    assert_eq!(
        definition_response
            .as_ref()
            .and_then(|value| value.pointer("/result/0/uri")),
        Some(&json!("file:///workspace-a/src/styles.module.scss")),
    );
    assert_eq!(
        definition_response
            .as_ref()
            .and_then(|value| value.pointer("/result/0/range")),
        Some(&json!({
            "start": {
                "line": 0,
                "character": 1,
            },
            "end": {
                "line": 0,
                "character": 5,
            },
        })),
    );
}