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import {describe, beforeEach, afterAll, test, expect, vi} from 'vitest';
import {config} from './util/config';
import {addProtocol, getWorkerCount, removeProtocol, getVersion} from './index';
import {getJSON, getArrayBuffer} from './util/ajax';
import {ImageRequest} from './util/image_request';
import {isAbortError} from './util/abort_error';
describe('maplibre', () => {
beforeEach(() => {
config.REGISTERED_PROTOCOLS = {};
});
afterAll(() => {
config.REGISTERED_PROTOCOLS = {};
});
test('workerCount', () => {
expect(typeof getWorkerCount() === 'number').toBeTruthy();
});
test('addProtocol', () => {
const protocolName = 'custom';
expect(Object.keys(config.REGISTERED_PROTOCOLS)).toHaveLength(0);
addProtocol(protocolName, async () => Promise.resolve({} as any));
expect(Object.keys(config.REGISTERED_PROTOCOLS)[0]).toBe(protocolName);
});
test('removeProtocol', () => {
const protocolName = 'custom';
expect(Object.keys(config.REGISTERED_PROTOCOLS)).toHaveLength(0);
addProtocol(protocolName, () => Promise.resolve({} as any));
expect(Object.keys(config.REGISTERED_PROTOCOLS)[0]).toBe(protocolName);
removeProtocol(protocolName);
expect(Object.keys(config.REGISTERED_PROTOCOLS)).toHaveLength(0);
});
test('addProtocol - getJSON', async () => {
const mockProtocol = vi.fn().mockReturnValue(Promise.resolve({data: {'foo': 'bar'}}));
addProtocol('custom', mockProtocol);
const response = await getJSON({url: 'custom://test/url/json'}, new AbortController());
expect(response.data).toEqual({foo: 'bar'});
expect(mockProtocol).toHaveBeenCalled();
});
test('addProtocol - getArrayBuffer', async () => {
const mockProtocol = vi.fn().mockReturnValue(Promise.resolve({data: new ArrayBuffer(1), cacheControl: 'cache-control', expires: 'expires'}));
addProtocol('custom', mockProtocol);
const response = await getArrayBuffer({url: 'custom://test/url/getArrayBuffer'}, new AbortController());
expect(response.data).toBeInstanceOf(ArrayBuffer);
expect(response.cacheControl).toBe('cache-control');
expect(response.expires).toBe('expires');
expect(mockProtocol).toHaveBeenCalled();
});
test('addProtocol - null response for getArrayBuffer results in empty array buffer', async () => {
const mockProtocol = vi.fn().mockReturnValue(Promise.resolve({data: null, cacheControl: 'cache-control', expires: 'expires'}));
addProtocol('custom', mockProtocol);
const response = await getArrayBuffer({url: 'custom://test/url/getArrayBuffer'}, new AbortController());
expect(response.data).toBeInstanceOf(ArrayBuffer);
expect(response.data.byteLength).toBe(0);
expect(response.cacheControl).toBe('cache-control');
expect(response.expires).toBe('expires');
expect(mockProtocol).toHaveBeenCalled();
});
test('addProtocol - returning ImageBitmap for getImage', async () => {
const mockProtocol = vi.fn().mockReturnValue(Promise.resolve({data: new ImageBitmap()}));
addProtocol('custom', mockProtocol);
const img = await ImageRequest.getImage({url: 'custom://test/url/getImage'}, new AbortController());
expect(img.data).toBeInstanceOf(ImageBitmap);
expect(mockProtocol).toHaveBeenCalled();
});
test('addProtocol - returning HTMLImageElement for getImage', async () => {
const mockProtocol = vi.fn().mockReturnValue(Promise.resolve({data: new Image()}));
addProtocol('custom', mockProtocol);
const img = await ImageRequest.getImage({url: 'custom://test/url/getImage'}, new AbortController());
expect(img.data).toBeInstanceOf(HTMLImageElement);
expect(mockProtocol).toHaveBeenCalled();
});
test('addProtocol - error', async () => {
const mockError = new Error('test error');
const mockProtocol = vi.fn().mockReturnValue(Promise.reject(mockError));
addProtocol('custom', mockProtocol);
const successCallback = vi.fn();
const errorCallback = vi.fn();
await getJSON({url: 'custom://test/url/json'}, new AbortController()).then(successCallback, errorCallback);
expect(successCallback).not.toHaveBeenCalled();
expect(errorCallback).toHaveBeenCalledExactlyOnceWith(mockError);
expect(mockProtocol).toHaveBeenCalled();
});
test('addProtocol - Cancel request', async () => {
let cancelCalled = false;
addProtocol('custom', (_req, abortController) => {
abortController.signal.addEventListener('abort', () => {
cancelCalled = true;
});
return Promise.resolve({} as any);
});
const abortController = new AbortController();
const promise = getJSON({url: 'custom://test/url/json'}, abortController);
abortController.abort();
try {
await promise;
} catch (err) {
expect(isAbortError(err)).toBeTruthy();
}
expect(cancelCalled).toBeTruthy();
});
test('version', () => {
expect(typeof getVersion() === 'string').toBeTruthy();
// Semver regex: https://gist.github.com/jhorsman/62eeea161a13b80e39f5249281e17c39
// Backslashes are doubled to escape them
const regexp = new RegExp('^([0-9]+)\\.([0-9]+)\\.([0-9]+)(?:-([0-9A-Za-z-]+(?:\\.[0-9A-Za-z-]+)*))?(?:\\+[0-9A-Za-z-]+)?$');
expect(regexp.test(getVersion())).toBeTruthy();
});
});