hemx/slhx-js/tests/runtime.rs

#[test]
fn runtime_posts_urlencoded_forms_by_default() {
    let source = slhx_js::RUNTIME_JS;

    assert!(source.contains("new URLSearchParams()"));
    assert!(source.contains("form.getAttribute(\"method\")"));
    assert!(source.contains("multipart/form-data"));
    assert!(source.contains("const body = method === \"GET\" || method === \"HEAD\" ? undefined : requestBody(data, multipart)"));
    assert!(source.contains("application/x-www-form-urlencoded;charset=UTF-8"));
}

#[test]
fn runtime_fetches_with_same_origin_credentials() {
    // req: auth/005
    let source = slhx_js::RUNTIME_JS;

    assert_eq!(source.matches("credentials: \"same-origin\"").count(), 2);
}

#[test]
fn runtime_handles_get_forms_without_request_body() {
    let source = slhx_js::RUNTIME_JS;

    assert!(source.contains("function requestUrl(form, data, method)"));
    assert!(source.contains("method === \"GET\" || method === \"HEAD\" ? undefined : requestBody"));
    assert!(source.contains("if (method === \"GET\") url.search = urlEncoded(data).toString()"));
}

#[test]
fn runtime_clicking_submitter_schedules_form_submit() {
    // req: convention/004
    let source = slhx_js::RUNTIME_JS;

    assert!(source.contains("function formOwner(el)"));
    assert!(source.contains("function formHandleId(form)"));
    assert!(source.contains("document.getElementById(el.getAttribute(\"form\"))"));
    assert!(source.contains("const direct = closestInRoot(event.target, root, `[${HID}]`)"));
    assert!(source.contains("button[type=submit], input[type=submit], button:not([type])"));
    assert!(source.contains("form.reportValidity && !form.reportValidity()"));
    assert!(source.contains("schedule(form, \"submit\")"));
}

#[test]
fn runtime_supports_drag_drop_params_without_user_js() {
    // req: htmx_equivalents/002, req: dx/008
    let source = slhx_js::RUNTIME_JS;

    assert!(source.contains("const dragKeys = new WeakMap()"));
    assert!(source.contains("dragstart"));
    assert!(source.contains("dragover"));
    assert!(source.contains("eventName === \"drop\""));
    assert!(source.contains("data.set(\"work_id\", dragKey)"));
}

#[test]
fn runtime_supports_queued_request_policy() {
    // req: convention/006
    let source = slhx_js::RUNTIME_JS;

    assert!(source.contains("function normalizedPolicy(value)"));
    assert!(source.contains("value === \"latest\" || value === \"queue\" || value === \"drop\" || value === \"parallel\""));
    assert!(source.contains("const policy = normalizedPolicy(el.getAttribute(\"data-slhx-policy\"))"));
    assert!(source.contains("const queues = new WeakMap()"));
    assert!(source.contains("policy === \"queue\""));
    assert!(source.contains("const base = queues.get(target) || active.done"));
}

#[test]
fn runtime_exposes_page_swap_hooks() {
    let source = slhx_js::RUNTIME_JS;

    assert!(source.contains("data-slhx-nav"));
    assert!(source.contains("data-slhx-boost"));
    assert!(source.contains("history.pushState"));
    assert!(source.contains("popstate"));
    assert!(source.contains("x-slhx-title"));
    assert!(source.contains("x-slhx-fingerprint"));
    assert!(source.contains("slhx:missing-content-slot"));
    assert!(source.contains("location.href = href"));
}

#[test]
fn runtime_refuses_partial_updates_on_fingerprint_mismatch() {
    // req: abi/003 req: abi/004 req: runtime/004
    let source = slhx_js::RUNTIME_JS;

    assert!(source.contains("function compatibleFingerprint(response, root)"));
    assert!(source.contains("const received = response.headers.get(\"x-slhx-fingerprint\")"));
    assert!(source.contains("const expected = root && root.getAttribute(FINGERPRINT)"));
    assert!(source.contains("if (!compatibleFingerprint(response, root))"));
    assert!(source.contains("location.reload()"));
    assert!(source.contains("if (expected && String(batch.fingerprint) !== expected)"));
}

#[test]
fn runtime_page_swaps_lowered_slot_ids() {
    // req: wire/001
    let source = slhx_js::RUNTIME_JS;

    assert!(source.contains("function replaceLoweredSlots(scope, doc)"));
    assert!(source.contains("doc.querySelectorAll(\"[data-sid], [data-slot-id]\")"));
    assert!(source.contains("target.innerHTML = source.innerHTML"));
}

#[test]
fn runtime_keeps_form_field_targets_separate_from_error_targets() {
    let source = slhx_js::RUNTIME_JS;

    assert!(source.contains("function fieldTarget(scope, id, field)"));
    assert!(source.contains("[data-fid=\"${id}\"] [name=\"${escapedField}\"]"));
    assert!(source.contains("function formErrorTarget(scope, id, field)"));
    assert!(source.contains("[data-slhx-error-for=\"${escapedField}\"]"));
}

#[test]
fn runtime_preflights_batches_before_applying_ops() {
    let source = slhx_js::RUNTIME_JS;

    assert!(source.contains("const missingTarget = batch.ops.map((op) => canApplyOp(scope, op)).find(Boolean)"));
    assert!(source.contains("function canApplyOp(scope, op)"));
    assert!(source.contains("for (const op of batch.ops) applyOp(scope, op)"));
}

#[test]
fn runtime_ships_typescript_definitions() {
    let source = slhx_js::RUNTIME_D_TS;

    assert!(source.contains("req: ts/001"));
    assert!(source.contains("export interface EffectBatch"));
    assert!(source.contains("fingerprint: bigint"));
    assert!(source.contains("export type Effect ="));
    assert!(source.contains("decodeBatch(buffer: ArrayBuffer): EffectBatch"));
    assert!(source.contains("interface Window"));
}