global-mock.ts•1.51 kB
// Global mock helpers for testing
// This file provides both type definitions and implementations
// Mock state storage
const mockResponses: any[] = [];
const fetchCalls: Array<{ url: string; options?: RequestInit }> = [];
/**
* Reset all fetch mock state
*/
export function resetFetchMocks(): void {
mockResponses.length = 0;
fetchCalls.length = 0;
}
/**
* Mock a successful fetch response
*/
export function mockFetchResponse(response: Partial<Response>): void {
mockResponses.push(response);
}
/**
* Mock a fetch rejection
*/
export function mockFetchRejection(error: Error | string): void {
mockResponses.push({ error });
}
/**
* Get the history of fetch calls
*/
export function getFetchCalls(): Array<{ url: string; options?: RequestInit }> {
return [...fetchCalls];
}
// Mock fetch globally
global.fetch = function mockFetch(input: RequestInfo | URL, init?: RequestInit) {
const url = typeof input === "string" ? input : input instanceof URL ? input.toString() : input.url;
fetchCalls.push({ url, options: init });
const mockResponse = mockResponses.shift();
if (!mockResponse) {
return Promise.resolve({
ok: true,
status: 200,
json: () => Promise.resolve({}),
text: () => Promise.resolve("")
} as Response);
}
if (mockResponse.error) {
return Promise.reject(mockResponse.error);
}
return Promise.resolve(mockResponse as Response);
};
// Mock console.error to avoid polluting test output
global.console.error = function () {};