Own browser UI sessions and shared navigation

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vorotamoroz committed 2026-10-29 14:58:38 +00:00
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import { beforeEach, describe, expect, it, vi } from "vitest";
import { createServiceContext } from "@vrtmrz/livesync-commonlib/context";
import { EVENT_PLUGIN_UNLOADED } from "@vrtmrz/livesync-commonlib/compat/events/coreEvents";
const kit = vi.hoisted(() => ({
uiOptions: [] as { document: Document; signal: AbortSignal }[],
notices: [] as { document: Document; dispose: ReturnType<typeof vi.fn>; show: ReturnType<typeof vi.fn> }[],
}));
vi.mock("@vrtmrz/browser-ui-kit", () => ({
createBrowserUi(options: { document: Document; signal: AbortSignal }) {
kit.uiOptions.push(options);
return { promptText: vi.fn(async () => "selected") };
},
BrowserUiNotifications: class {
dispose = vi.fn();
show = vi.fn();
constructor(options: { document: Document }) {
kit.notices.push({ document: options.document, dispose: this.dispose, show: this.show });
}
},
}));
import { BrowserConfirm } from "@/apps/browser/BrowserConfirm";
import { createBrowserUiScope } from "@/apps/browser/BrowserUiScope";
beforeEach(() => {
kit.uiOptions.length = 0;
kit.notices.length = 0;
});
describe("BrowserConfirm UI owner", () => {
it("passes the same document and lifetime to existing Kit capabilities", async () => {
const context = createServiceContext();
const anchor = { textContent: "", click: vi.fn() };
const document = { createElement: vi.fn(() => anchor) } as unknown as Document;
const ui = createBrowserUiScope(context, { document });
const confirm = new BrowserConfirm(context, ui);
expect(kit.uiOptions[0]).toMatchObject({ document, signal: ui.signal });
expect(kit.notices[0].document).toBe(document);
await expect(confirm.askString("Title", "Value", "Placeholder")).resolves.toBe("selected");
confirm.askInPopup("key", "Go {HERE}", (link) => {
link.textContent = "Open";
});
expect(document.createElement).toHaveBeenCalledWith("a");
expect(kit.notices[0].show).toHaveBeenCalledWith(
"key",
expect.objectContaining({ action: expect.objectContaining({ label: "Open" }) })
);
context.events.emitEvent(EVENT_PLUGIN_UNLOADED);
expect(ui.signal.aborted).toBe(true);
expect(kit.notices[0].dispose).toHaveBeenCalledOnce();
});
it("disposes only the notifications belonging to the unloaded context", () => {
const first = createServiceContext();
const second = createServiceContext();
new BrowserConfirm(first, createBrowserUiScope(first, { document: {} as Document }));
new BrowserConfirm(second, createBrowserUiScope(second, { document: {} as Document }));
first.events.emitEvent(EVENT_PLUGIN_UNLOADED);
first.events.emitEvent(EVENT_PLUGIN_UNLOADED);
expect(kit.notices[0].dispose).toHaveBeenCalledOnce();
expect(kit.notices[1].dispose).not.toHaveBeenCalled();
second.events.emitEvent(EVENT_PLUGIN_UNLOADED);
});
it("disposes notifications immediately for a pre-aborted owner", () => {
const context = createServiceContext();
const parent = new AbortController();
parent.abort();
new BrowserConfirm(context, createBrowserUiScope(context, { signal: parent.signal }));
expect(kit.uiOptions[0].signal.aborted).toBe(true);
expect(kit.notices[0].dispose).toHaveBeenCalledOnce();
context.events.emitEvent(EVENT_PLUGIN_UNLOADED);
expect(kit.notices[0].dispose).toHaveBeenCalledOnce();
});
});
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import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
const browserMenuHarness = vi.hoisted(() => {
const createDocument = () => {
const created: { tag: string; removed: boolean; remove: ReturnType<typeof vi.fn> }[] = [];
const appended: unknown[] = [];
const document = {
createElement: vi.fn((tag: string) => {
const element: { tag: string; removed: boolean; remove: ReturnType<typeof vi.fn> } = {
tag,
removed: false,
remove: vi.fn(() => {
element.removed = true;
}),
};
created.push(element);
return element;
}),
body: {
appendChild: vi.fn((element: unknown) => {
appended.push(element);
return element;
}),
},
};
return { document, created, appended };
};
return {
documents: {
active: createDocument(),
explicit: createDocument(),
},
mounts: [] as {
component: unknown;
target: unknown;
props: Record<string, unknown>;
handle: { id: number };
}[],
unmounts: [] as unknown[],
};
});
vi.mock("@vrtmrz/livesync-commonlib/compat/common/coreEnvFunctions", () => ({
_activeDocument: browserMenuHarness.documents.active.document,
}));
vi.mock("svelte", () => ({
mount: vi.fn((component: unknown, options: { target: unknown; props: Record<string, unknown> }) => {
const handle = { id: browserMenuHarness.mounts.length };
browserMenuHarness.mounts.push({ component, target: options.target, props: options.props, handle });
return handle;
}),
unmount: vi.fn((handle: unknown) => {
browserMenuHarness.unmounts.push(handle);
return Promise.resolve();
}),
}));
import { Menu, MenuItem, MenuSeparator } from "@/apps/browser/BrowserMenu";
type BrowserMenuOptionsFixture = { document?: Document; signal?: AbortSignal };
function menuWithOptions(options: BrowserMenuOptionsFixture): Menu {
const MenuWithOptions = Menu as unknown as new (options: BrowserMenuOptionsFixture) => Menu;
return new MenuWithOptions(options);
}
function explicitDocument(): Document {
return browserMenuHarness.documents.explicit.document as unknown as Document;
}
function closeMenu(index: number): () => void {
const close = browserMenuHarness.mounts[index]!.props.closeMenu;
if (typeof close !== "function") throw new Error("Menu mount did not receive a close callback");
return close as () => void;
}
async function settlesAfterMicrotask(promise: Promise<void>): Promise<boolean> {
let settled = false;
void promise.then(() => {
settled = true;
});
await Promise.resolve();
return settled;
}
beforeEach(() => {
browserMenuHarness.documents.active.created.length = 0;
browserMenuHarness.documents.active.appended.length = 0;
browserMenuHarness.documents.explicit.created.length = 0;
browserMenuHarness.documents.explicit.appended.length = 0;
browserMenuHarness.mounts.length = 0;
browserMenuHarness.unmounts.length = 0;
vi.clearAllMocks();
});
afterEach(() => {
for (const mount of browserMenuHarness.mounts) {
const close = mount.props.closeMenu;
if (typeof close === "function") (close as () => void)();
}
});
describe("browser Menu lifecycle", () => {
it("preserves item, separator, chained construction, and positioned display APIs", async () => {
const menu = new Menu();
const handler = vi.fn(async () => {});
expect(
menu.addItem((item) => {
item.setTitle("Open").setIcon("folder").onClick(handler);
})
).toBe(menu);
expect(menu.addSeparator()).toBe(menu);
expect(menu.items[0]).toBeInstanceOf(MenuItem);
expect(menu.items[0]).toMatchObject({ type: "item", title: "Open", icon: "folder", handler });
expect(menu.items[1]).toBeInstanceOf(MenuSeparator);
const displayed = menu.showAtPosition({ x: 12, y: 34 });
expect(browserMenuHarness.documents.active.document.createElement).toHaveBeenCalledWith("div");
expect(browserMenuHarness.documents.active.appended).toEqual([browserMenuHarness.mounts[0]!.target]);
expect(browserMenuHarness.mounts[0]!.props).toMatchObject({ items: menu.items, x: 12, y: 34 });
expect(browserMenuHarness.mounts[0]!.target).toBe(browserMenuHarness.documents.active.created[0]);
closeMenu(0)();
await expect(displayed).resolves.toBeUndefined();
});
it("keeps the returned close promise pending until a menu close action", async () => {
const menu = new Menu();
const displayed = menu.showAtPosition({ x: 1, y: 2 });
expect(await settlesAfterMicrotask(displayed)).toBe(false);
closeMenu(0)();
await expect(displayed).resolves.toBeUndefined();
});
it("resolves the active display promise when hidden without a menu action", async () => {
const menu = new Menu();
const displayed = menu.showAtPosition({ x: 1, y: 2 });
menu.hide();
await expect(displayed).resolves.toBeUndefined();
});
it("closes a replaced display while keeping the replacement active", async () => {
const menu = new Menu();
const first = menu.showAtPosition({ x: 1, y: 2 });
const staleClose = closeMenu(0);
const firstElement = browserMenuHarness.mounts[0]!.target as { removed: boolean };
const second = menu.showAtPosition({ x: 3, y: 4 });
const secondElement = browserMenuHarness.mounts[1]!.target as { removed: boolean };
await expect(first).resolves.toBeUndefined();
expect(firstElement.removed).toBe(true);
expect(secondElement.removed).toBe(false);
expect(menu.waitingForClose?.promise).toBe(second);
expect(await settlesAfterMicrotask(second)).toBe(false);
try {
staleClose();
expect(menu.waitingForClose?.promise).toBe(second);
expect(secondElement.removed).toBe(false);
expect(await settlesAfterMicrotask(second)).toBe(false);
} finally {
closeMenu(1)();
}
await expect(second).resolves.toBeUndefined();
});
it("mounts a menu in its explicitly supplied document", async () => {
const menu = menuWithOptions({ document: explicitDocument() });
const displayed = menu.showAtPosition({ x: 5, y: 6 });
expect(browserMenuHarness.documents.explicit.document.createElement).toHaveBeenCalledWith("div");
expect(browserMenuHarness.documents.explicit.appended).toEqual([browserMenuHarness.mounts[0]!.target]);
expect(browserMenuHarness.mounts[0]!.target).toBe(browserMenuHarness.documents.explicit.created[0]);
expect(browserMenuHarness.documents.active.document.createElement).not.toHaveBeenCalled();
closeMenu(0)();
await expect(displayed).resolves.toBeUndefined();
});
it("aborting one menu closes only that menu", async () => {
const firstOwner = new AbortController();
const secondOwner = new AbortController();
const firstMenu = menuWithOptions({ document: explicitDocument(), signal: firstOwner.signal });
const secondMenu = menuWithOptions({ document: explicitDocument(), signal: secondOwner.signal });
const first = firstMenu.showAtPosition({ x: 1, y: 2 });
const second = secondMenu.showAtPosition({ x: 3, y: 4 });
let firstSettled = false;
void first.then(() => {
firstSettled = true;
});
firstOwner.abort();
await Promise.resolve();
expect(firstSettled).toBe(true);
expect(secondMenu.waitingForClose?.promise).toBe(second);
expect(await settlesAfterMicrotask(second)).toBe(false);
closeMenu(1)();
await expect(second).resolves.toBeUndefined();
});
it("does not mount for an already aborted owner", async () => {
const owner = new AbortController();
owner.abort();
const menu = menuWithOptions({ document: explicitDocument(), signal: owner.signal });
const displayed = menu.showAtPosition({ x: 1, y: 2 });
expect(browserMenuHarness.mounts).toHaveLength(0);
expect(await settlesAfterMicrotask(displayed)).toBe(true);
});
it("does not mount again after its owner aborts", async () => {
const owner = new AbortController();
const menu = menuWithOptions({ document: explicitDocument(), signal: owner.signal });
const first = menu.showAtPosition({ x: 1, y: 2 });
owner.abort();
expect(await settlesAfterMicrotask(first)).toBe(true);
const reopened = menu.showAtPosition({ x: 3, y: 4 });
expect(await settlesAfterMicrotask(reopened)).toBe(true);
expect(browserMenuHarness.mounts).toHaveLength(1);
});
it.each(["hide", "dismissal", "replacement", "abort"] as const)(
"unmounts each Svelte component exactly once for %s",
async (reason) => {
const owner = new AbortController();
const menu = menuWithOptions({ document: explicitDocument(), signal: owner.signal });
const first = menu.showAtPosition({ x: 1, y: 2 });
let second: Promise<void> | undefined;
if (reason === "hide") {
menu.hide();
} else if (reason === "dismissal") {
closeMenu(0)();
} else if (reason === "replacement") {
second = menu.showAtPosition({ x: 3, y: 4 });
closeMenu(1)();
} else {
owner.abort();
}
expect(await settlesAfterMicrotask(first)).toBe(true);
if (second) expect(await settlesAfterMicrotask(second)).toBe(true);
for (const mount of browserMenuHarness.mounts) {
expect(browserMenuHarness.unmounts.filter((handle) => handle === mount.handle)).toHaveLength(1);
}
}
);
it("removes the menu element before resolving the close promise", async () => {
const menu = new Menu();
const displayed = menu.showAtPosition({ x: 1, y: 2 });
const element = browserMenuHarness.mounts[0]!.target as { removed: boolean };
let removedWhenResolved = false;
void displayed.then(() => {
removedWhenResolved = element.removed;
});
menu.hide();
await displayed;
expect(removedWhenResolved).toBe(true);
});
it("removes its abort listener when closed so a later abort does not unmount it again", async () => {
const owner = new AbortController();
const addListener = vi.spyOn(owner.signal, "addEventListener");
const removeListener = vi.spyOn(owner.signal, "removeEventListener");
const menu = menuWithOptions({ document: explicitDocument(), signal: owner.signal });
const displayed = menu.showAtPosition({ x: 1, y: 2 });
const handle = browserMenuHarness.mounts[0]!.handle;
menu.hide();
await expect(displayed).resolves.toBeUndefined();
owner.abort();
expect(addListener.mock.calls.map(([type]) => type)).toContain("abort");
expect(removeListener.mock.calls.map(([type]) => type)).toContain("abort");
expect(browserMenuHarness.unmounts.filter((unmounted) => unmounted === handle)).toHaveLength(1);
});
});
@@ -0,0 +1,199 @@
import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
import { createServiceContext } from "@vrtmrz/livesync-commonlib/context";
import { EVENT_PLUGIN_UNLOADED } from "@vrtmrz/livesync-commonlib/compat/events/coreEvents";
import type {
ComponentHasResult,
DialogHostProps,
SvelteDialogManagerDependencies,
} from "@vrtmrz/livesync-commonlib/compat/services/implements/base/SvelteDialog";
const rendering = vi.hoisted(() => ({
mount: vi.fn(),
unmount: vi.fn(async (_component: unknown) => {}),
legacy: { document: undefined as Document | undefined },
}));
vi.mock("svelte", async (importOriginal) => ({
...(await importOriginal<typeof import("svelte")>()),
mount: rendering.mount,
unmount: rendering.unmount,
}));
vi.mock("@vrtmrz/livesync-commonlib/compat/common/coreEnvFunctions", () => ({
get _activeDocument() {
return rendering.legacy.document;
},
}));
vi.mock("@/modules/services/LiveSyncUI/DialogHost.svelte", () => ({ default: () => {} }));
import {
BrowserModal,
BrowserSvelteDialogManager,
LiveSyncBrowserDialog,
} from "@/apps/browser/BrowserSvelteDialogManager";
import { createBrowserUiScope } from "@/apps/browser/BrowserUiScope";
class TestElement {
children: TestElement[] = [];
parentElement: TestElement | null = null;
hidden = false;
className = "";
textContent = "";
constructor(
readonly ownerDocument: TestDocument,
readonly tagName: string
) {}
appendChild(child: TestElement) {
child.remove();
child.parentElement = this;
this.children.push(child);
return child;
}
remove() {
if (this.parentElement)
this.parentElement.children = this.parentElement.children.filter((child) => child !== this);
this.parentElement = null;
}
replaceChildren() {
for (const child of [...this.children]) child.remove();
}
}
class TestDocument {
body = new TestElement(this, "body");
createElement(tag: string) {
return new TestElement(this, tag);
}
}
const asDocument = (document: TestDocument) => document as unknown as Document;
const component = (() => {}) as unknown as ComponentHasResult<string, string>;
type Context = ReturnType<typeof createServiceContext>;
type UiOptions = { document?: Document; signal?: AbortSignal };
function createManager(options?: UiOptions) {
const context = createServiceContext();
return {
context,
manager: new BrowserSvelteDialogManager(
context,
{} as SvelteDialogManagerDependencies<Context>,
options ? createBrowserUiScope(context, options) : undefined
),
};
}
function lastMount() {
const call = rendering.mount.mock.calls[rendering.mount.mock.calls.length - 1];
return { target: call[1].target as TestElement, props: call[1].props as DialogHostProps<string, string> };
}
beforeEach(() => {
vi.clearAllMocks();
rendering.legacy.document = asDocument(new TestDocument());
rendering.mount.mockImplementation(() => ({}));
});
afterEach(() => {
rendering.legacy.document = undefined;
});
describe("Browser Svelte dialogue ownership", () => {
it("releases every per-dialogue context subscription on legacy direct close", async () => {
const subscriptions: ReturnType<typeof vi.fn>[] = [];
const context = {
events: {
onceEvent: vi.fn(() => {
const unregister = vi.fn();
subscriptions.push(unregister);
return unregister;
}),
},
} as unknown as Context;
const dialog = new LiveSyncBrowserDialog(context, {} as SvelteDialogManagerDependencies<Context>, component);
dialog.open();
const result = dialog.waitForClose();
dialog.close();
await expect(result).resolves.toBeUndefined();
expect(subscriptions.length).toBeGreaterThan(0);
for (const unsubscribe of subscriptions) expect(unsubscribe).toHaveBeenCalledOnce();
});
it("preserves the legacy document, normal result, and component cleanup", async () => {
const { manager } = createManager();
const result = manager.openSvelteDialog(component, "initial");
const { target, props } = lastMount();
expect(target.ownerDocument).toBe(rendering.legacy.document);
expect(props.getInitialData?.()).toBe("initial");
props.setResult("selected");
props.closeDialog();
await expect(result).resolves.toBe("selected");
expect((rendering.legacy.document as unknown as TestDocument).body.children).toHaveLength(0);
expect(rendering.unmount).toHaveBeenCalledOnce();
});
it("preserves rejection when the owning context unloads", async () => {
const { context, manager } = createManager();
const result = manager.openSvelteDialog(component);
const rejected = expect(result).rejects.toThrow("Plug-in unloaded");
context.events.emitEvent(EVENT_PLUGIN_UNLOADED);
await rejected;
expect(rendering.unmount).toHaveBeenCalledOnce();
expect((rendering.legacy.document as unknown as TestDocument).body.children).toHaveLength(0);
});
it("uses its supplied document even when the legacy document changes before opening", async () => {
const targetDocument = new TestDocument();
const { manager } = createManager({ document: asDocument(targetDocument) });
rendering.legacy.document = asDocument(new TestDocument());
const result = manager.openSvelteDialog(component);
const { target, props } = lastMount();
expect(target.ownerDocument).toBe(targetDocument);
expect(targetDocument.body.children).toHaveLength(1);
expect((rendering.legacy.document as unknown as TestDocument).body.children).toHaveLength(0);
props.closeDialog();
await expect(result).resolves.toBeUndefined();
});
it("aborts one owner without closing another owner's dialogue", async () => {
const firstOwner = new AbortController();
const firstDocument = new TestDocument();
const secondDocument = new TestDocument();
const first = createManager({ document: asDocument(firstDocument), signal: firstOwner.signal });
const second = createManager({ document: asDocument(secondDocument) });
const firstResult = first.manager.openSvelteDialog(component);
let observedFirst: unknown = "still pending";
void firstResult.then(
() => {
observedFirst = "resolved";
},
(error) => {
observedFirst = error;
}
);
const secondResult = second.manager.openSvelteDialog(component);
const secondProps = lastMount().props;
const reason = new Error("fixture owner ended");
firstOwner.abort(reason);
await vi.waitFor(() => expect(observedFirst).toBe(reason), { timeout: 1000, interval: 20 });
expect(firstDocument.body.children).toHaveLength(0);
expect(secondDocument.body.children).toHaveLength(1);
secondProps.setResult("second");
secondProps.closeDialog();
await expect(secondResult).resolves.toBe("second");
});
it("does not render for an already aborted owner or reopen after unload", async () => {
const owner = new AbortController();
const reason = new Error("fixture owner ended");
owner.abort(reason);
const aborted = createManager({ signal: owner.signal });
const rejected = aborted.manager.openSvelteDialog(component).catch((error) => error);
expect(rendering.mount).not.toHaveBeenCalled();
await expect(rejected).resolves.toBe(reason);
const unloaded = createManager();
unloaded.context.events.emitEvent(EVENT_PLUGIN_UNLOADED);
const afterUnload = unloaded.manager.openSvelteDialog(component).catch((error) => error);
expect(rendering.mount).not.toHaveBeenCalled();
await expect(afterUnload).resolves.toBeInstanceOf(Error);
});
it("keeps a native modal in the document which created its elements", () => {
const document = new TestDocument();
const modal = new BrowserModal(asDocument(document));
rendering.legacy.document = asDocument(new TestDocument());
modal.open();
expect(document.body.children).toEqual([modal.baseEl]);
expect((modal.contentEl as unknown as TestElement).ownerDocument).toBe(document);
modal.close();
expect(document.body.children).toHaveLength(0);
});
});
@@ -0,0 +1,56 @@
import { createServiceContext } from "@vrtmrz/livesync-commonlib/context";
import { EVENT_PLUGIN_UNLOADED } from "@vrtmrz/livesync-commonlib/compat/events/coreEvents";
import { describe, expect, it, vi } from "vitest";
import { createBrowserUiScope } from "@/apps/browser/BrowserUiScope";
describe("browser UI scope", () => {
it("owns its document and cancellation independently from another application", () => {
const firstContext = createServiceContext();
const secondContext = createServiceContext();
const firstDocument = {} as Document;
const secondDocument = {} as Document;
const first = createBrowserUiScope(firstContext, { document: firstDocument });
const second = createBrowserUiScope(secondContext, { document: secondDocument });
const abort = vi.fn();
first.signal.addEventListener("abort", abort);
firstContext.events.emitEvent(EVENT_PLUGIN_UNLOADED);
firstContext.events.emitEvent(EVENT_PLUGIN_UNLOADED);
expect(first.document).toBe(firstDocument);
expect(second.document).toBe(secondDocument);
expect(first.signal.aborted).toBe(true);
expect(first.signal.reason).toEqual(new Error("Plug-in unloaded"));
expect(second.signal.aborted).toBe(false);
expect(abort).toHaveBeenCalledOnce();
secondContext.events.emitEvent(EVENT_PLUGIN_UNLOADED);
});
it("forwards parent cancellation and unregisters the context subscription", () => {
const context = createServiceContext();
const parent = new AbortController();
const unregister = vi.fn();
const once = vi.spyOn(context.events, "onceEvent").mockReturnValue(unregister);
const scope = createBrowserUiScope(context, { signal: parent.signal });
const reason = new Error("fixture host ended");
parent.abort(reason);
expect(scope.signal.aborted).toBe(true);
expect(scope.signal.reason).toBe(reason);
expect(unregister).toHaveBeenCalledOnce();
once.mockRestore();
});
it("removes the parent listener on unload and does not subscribe an already aborted parent", () => {
const context = createServiceContext();
const parent = new AbortController();
const remove = vi.spyOn(parent.signal, "removeEventListener");
const scope = createBrowserUiScope(context, { signal: parent.signal });
context.events.emitEvent(EVENT_PLUGIN_UNLOADED);
expect(remove).toHaveBeenCalledWith("abort", expect.any(Function));
const reason = scope.signal.reason;
parent.abort(new Error("later"));
expect(scope.signal.reason).toBe(reason);
const closedContext = createServiceContext();
const subscribe = vi.spyOn(closedContext.events, "onceEvent");
const closed = createBrowserUiScope(closedContext, { signal: parent.signal });
expect(closed.signal.aborted).toBe(true);
expect(closed.signal.reason).toBe(parent.signal.reason);
expect(subscribe).not.toHaveBeenCalled();
});
});
@@ -86,3 +86,64 @@ describe("SvelteDialogSession", () => {
expect(close).toHaveBeenCalledOnce();
});
});
describe("SvelteDialogSession owner signal", () => {
it("rejects and releases the mounted dialogue when its owner aborts", async () => {
const context = createServiceContext();
const controller = new AbortController();
const lifecycle = { signal: controller.signal };
const unmount = vi.fn().mockResolvedValue(undefined);
let session: SvelteDialogSession<string, string, typeof context>;
const close = vi.fn(() => session.onClose());
session = new SvelteDialogSession({
...lifecycle,
surface: {
contentEl: { replaceChildren: vi.fn() } as unknown as HTMLElement,
close,
setTitle: vi.fn(),
},
context,
dependencies: {} as SvelteDialogManagerDependencies<typeof context>,
dialogHost: (() => {}) as unknown as Component<DialogHostProps>,
component: (() => {}) as unknown as ComponentHasResult<string, string>,
renderer: { mount: () => ({}) as never, unmount },
});
session.onOpen();
let observed: unknown = "pending";
void session.waitForClose().catch((error) => {
observed = error;
});
const reason = new Error("fixture owner ended");
controller.abort(reason);
await vi.waitFor(() => expect(observed).toBe(reason), { timeout: 1000, interval: 20 });
expect(close).toHaveBeenCalledOnce();
expect(unmount).toHaveBeenCalledOnce();
context.events.emitEvent(EVENT_PLUGIN_UNLOADED);
expect(close).toHaveBeenCalledOnce();
});
it("detaches an owner signal when normal close has already settled the result", async () => {
const context = createServiceContext();
const controller = new AbortController();
const remove = vi.spyOn(controller.signal, "removeEventListener");
const lifecycle = { signal: controller.signal };
const close = vi.fn();
const session = new SvelteDialogSession({
...lifecycle,
surface: { contentEl: { replaceChildren: vi.fn() } as unknown as HTMLElement, close, setTitle: vi.fn() },
context,
dependencies: {} as SvelteDialogManagerDependencies<typeof context>,
dialogHost: (() => {}) as unknown as Component<DialogHostProps>,
component: (() => {}) as unknown as ComponentHasResult<string, string>,
renderer: { mount: () => ({}) as never, unmount: vi.fn().mockResolvedValue(undefined) },
});
session.onOpen();
const result = session.waitForClose();
session.onClose();
await expect(result).resolves.toBeUndefined();
expect(remove).toHaveBeenCalledWith("abort", expect.any(Function));
controller.abort();
context.events.emitEvent(EVENT_PLUGIN_UNLOADED);
expect(close).not.toHaveBeenCalled();
});
});