99 lines
3.8 KiB
TypeScript
99 lines
3.8 KiB
TypeScript
import { PluginLoadingStrategy } from '@grafana/data';
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import {
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registerPluginInCache,
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invalidatePluginInCache,
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resolveWithCache,
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getPluginFromCache,
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extractCacheKeyFromPath,
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} from './cache';
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jest.mock('./constants', () => ({
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CACHE_INITIALISED_AT: 123456,
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}));
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describe('Cache Functions', () => {
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describe('registerPluginInCache', () => {
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it('should register a plugin in the cache', () => {
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const plugin = { version: '1.0.0', loadingStrategy: PluginLoadingStrategy.script };
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registerPluginInCache({ path: 'public/plugins/plugin1/module.js', ...plugin });
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expect(getPluginFromCache('plugin1')).toEqual(plugin);
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});
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it('should not register a plugin if it already exists in the cache', () => {
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const path = 'public/plugins/plugin2/module.js';
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const plugin = { path, version: '2.0.0', loadingStrategy: PluginLoadingStrategy.script };
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registerPluginInCache(plugin);
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const plugin2 = { path, version: '2.5.0', loadingStrategy: PluginLoadingStrategy.script };
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registerPluginInCache(plugin2);
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expect(getPluginFromCache(path)?.version).toBe('2.0.0');
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});
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});
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describe('invalidatePluginInCache', () => {
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it('should invalidate a plugin in the cache', () => {
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const path = 'public/plugins/plugin2/module.js';
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const plugin = { path, version: '3.0.0', loadingStrategy: PluginLoadingStrategy.script };
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registerPluginInCache(plugin);
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invalidatePluginInCache('plugin2');
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expect(getPluginFromCache('plugin2')).toBeUndefined();
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});
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it('should not throw an error if the plugin does not exist in the cache', () => {
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expect(() => invalidatePluginInCache('nonExistentPlugin')).not.toThrow();
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});
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});
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describe('resolveWithCache', () => {
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it('should resolve URL with timestamp cache bust parameter if plugin is not available in the cache', () => {
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const url = 'http://localhost:3000/public/plugins/plugin4/module.js';
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expect(resolveWithCache(url)).toContain('_cache=123456');
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});
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it('should resolve URL with plugin version as cache bust parameter if available', () => {
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const url = 'http://localhost:3000/public/plugins/plugin5/module.js';
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const plugin = { path: url, version: '5.0.0', loadingStrategy: PluginLoadingStrategy.script };
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registerPluginInCache(plugin);
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expect(resolveWithCache(url)).toContain('_cache=5.0.0');
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});
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});
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describe('extractCacheKeyFromPath', () => {
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it('should extract plugin ID from a path', () => {
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expect(extractCacheKeyFromPath('public/plugins/plugin6/module.js')).toBe('plugin6');
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});
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it('should extract plugin ID from a path', () => {
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expect(extractCacheKeyFromPath('public/plugins/plugin6/datasource/module.js')).toBe('plugin6');
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});
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it('should extract plugin ID from a url', () => {
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expect(extractCacheKeyFromPath('https://my-url.com/plugin6/1.0.0/public/plugins/plugin6/module.js')).toBe(
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'plugin6'
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);
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});
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it('should extract plugin ID from a nested plugin url', () => {
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expect(
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extractCacheKeyFromPath('https://my-url.com/plugin6/1.0.0/public/plugins/plugin6/datasource/module.js')
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).toBe('plugin6');
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});
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it('should return null if the path does not match the pattern', () => {
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expect(extractCacheKeyFromPath('public/plugins/plugin7')).toBeNull();
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});
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});
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describe('getPluginFromCache', () => {
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it('should return plugin from cache if exists', () => {
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const plugin = { version: '6.0.0', loadingStrategy: PluginLoadingStrategy.script };
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registerPluginInCache({ path: 'public/plugins/plugin6/module.js', ...plugin });
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expect(getPluginFromCache('plugin6')).toEqual(plugin);
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});
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it('should return undefined if plugin does not exist in cache', () => {
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expect(getPluginFromCache('nonExistentPlugin')).toBeUndefined();
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});
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});
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});
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