openclaw/test/helpers/node-builtin-mocks.ts

44 lines
1.2 KiB
TypeScript

type MockFactory<TModule extends object> =
| Partial<TModule>
| ((actual: TModule) => Partial<TModule>);
function resolveMockOverrides<TModule extends object>(
actual: TModule,
factory: MockFactory<TModule>,
): Partial<TModule> {
return typeof factory === "function" ? factory(actual) : factory;
}
function resolveDefaultBase<TModule extends object>(actual: TModule): Record<string, unknown> {
const defaultExport = (actual as TModule & { default?: unknown }).default;
if (defaultExport && typeof defaultExport === "object") {
return defaultExport as Record<string, unknown>;
}
return actual as Record<string, unknown>;
}
export async function mockNodeBuiltinModule<TModule extends object>(
loadActual: () => Promise<TModule>,
factory: MockFactory<TModule>,
options?: { mirrorToDefault?: boolean },
): Promise<TModule> {
const actual = await loadActual();
const overrides = resolveMockOverrides(actual, factory);
const mocked = {
...actual,
...overrides,
} as TModule & { default?: Record<string, unknown> };
if (!options?.mirrorToDefault) {
return mocked;
}
return {
...mocked,
default: {
...resolveDefaultBase(actual),
...overrides,
},
} as TModule;
}