jsxrs 0.1.4

A Rust library for rendering JSX/TSX to complete HTML documents at build-time or server-side.
Documentation 
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mod common;

use jsxrs::{JsxrsError, render_string};
use serde_json::json;

use common::minimal_config;

#[test]
fn should_return_parse_error_when_given_invalid_jsx_syntax() {
    // Given: unclosed tag
    let source = r#"export default function Page() {
  return <div><span></div>;
}"#;

    // When
    let result = render_string(source, "page.jsx", &json!({}), &minimal_config());

    // Then
    assert!(result.is_err());
    assert!(matches!(result.unwrap_err(), JsxrsError::Parse(_)));
}

#[test]
fn should_return_error_when_no_default_export_found() {
    // Given: no default export
    let source = r#"function Page() {
  return <div>Hello</div>;
}"#;

    // When
    let result = render_string(source, "page.jsx", &json!({}), &minimal_config());

    // Then
    assert!(result.is_err());
}

#[test]
fn should_return_unsupported_error_when_given_variable_declaration() {
    // Given: variable declaration in JSX expression
    let source = r#"export default function Page() {
  return <div>{let x = 1}</div>;
}"#;

    // When
    let result = render_string(source, "page.jsx", &json!({}), &minimal_config());

    // Then
    assert!(result.is_err());
}

#[test]
fn should_return_error_when_file_not_found() {
    // Given: non-existent file path
    let path = common::fixtures_dir().join("nonexistent.jsx");

    // When
    let result = jsxrs::render_file(&path, &json!({}), &minimal_config());

    // Then
    assert!(result.is_err());
}

#[test]
fn should_return_error_when_referencing_undefined_prop() {
    // Given: source accesses prop that doesn't exist
    let source = r#"export default function Page(props) {
  return <div>{props.missing}</div>;
}"#;
    let props = json!({});

    // When
    let result = render_string(source, "page.jsx", &props, &minimal_config());

    // Then
    assert!(result.is_err());
}

#[test]
fn should_return_error_when_import_target_not_found() {
    // Given: import that cannot be resolved
    let source = r#"import Foo from './does_not_exist';
export default function Page() {
  return <Foo />;
}"#;
    let config = common::config_with_base_dir(common::fixtures_dir());

    // When
    let result = render_string(source, "page.jsx", &json!({}), &config);

    // Then
    assert!(result.is_err());
}

#[test]
fn should_return_parse_error_when_given_invalid_tsx_syntax() {
    // Given: invalid TSX
    let source = r#"
interface Props {
  name: string
}
export default function Page(props: Props) {
  return <div><span></div>;
}"#;

    // When
    let result = render_string(source, "page.tsx", &json!({}), &minimal_config());

    // Then
    assert!(result.is_err());
    assert!(matches!(result.unwrap_err(), JsxrsError::Parse(_)));
}

#[test]
fn should_return_error_when_source_is_empty() {
    // Given
    let source = "";

    // When
    let result = render_string(source, "page.jsx", &json!({}), &minimal_config());

    // Then
    assert!(result.is_err());
}