Paul Frazee
759ec8011b
* Add the atp-agent implementation (temporarily in this repo) * Rewrite all session & API management to use the new atp-agent * Update tests for the atp-agent refactor * Refactor management of session-related state. Includes: - More careful management of when state is cleared or fetched - Debug logging to help trace future issues - Clearer APIs overall * Bubble session-expiration events to the user and display a toast to explain * Switch to the new @atproto/api@0.1.0
72 lines
2.2 KiB
TypeScript
72 lines
2.2 KiB
TypeScript
import {RootStoreModel} from '../../../src/state/models/root-store'
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import {LinkMetasViewModel} from '../../../src/state/models/link-metas-view'
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import * as LinkMetaLib from '../../../src/lib/link-meta'
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import {LikelyType} from './../../../src/lib/link-meta'
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import AtpAgent from '@atproto/api'
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import {DEFAULT_SERVICE} from '../../../src/state'
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describe('LinkMetasViewModel', () => {
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let viewModel: LinkMetasViewModel
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let rootStore: RootStoreModel
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const getLinkMetaMockSpy = jest.spyOn(LinkMetaLib, 'getLinkMeta')
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const mockedMeta = {
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title: 'Test Title',
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url: 'testurl',
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likelyType: LikelyType.Other,
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}
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beforeEach(() => {
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rootStore = new RootStoreModel(new AtpAgent({service: DEFAULT_SERVICE}))
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viewModel = new LinkMetasViewModel(rootStore)
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})
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afterAll(() => {
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jest.clearAllMocks()
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})
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describe('getLinkMeta', () => {
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it('should return link meta if it is cached', async () => {
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const url = 'http://example.com'
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viewModel.cache.set(url, mockedMeta)
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const result = await viewModel.getLinkMeta(url)
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expect(getLinkMetaMockSpy).not.toHaveBeenCalled()
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expect(result).toEqual(mockedMeta)
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})
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it('should return link meta if it is not cached', async () => {
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getLinkMetaMockSpy.mockResolvedValueOnce(mockedMeta)
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const result = await viewModel.getLinkMeta(mockedMeta.url)
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expect(getLinkMetaMockSpy).toHaveBeenCalledWith(rootStore, mockedMeta.url)
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expect(result).toEqual(mockedMeta)
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})
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it('should cache the link meta if it is successfully returned', async () => {
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getLinkMetaMockSpy.mockResolvedValueOnce(mockedMeta)
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await viewModel.getLinkMeta(mockedMeta.url)
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expect(viewModel.cache.get(mockedMeta.url)).toEqual(mockedMeta)
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})
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it('should not cache the link meta if it fails to return', async () => {
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const url = 'http://example.com'
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const error = new Error('Failed to fetch link meta')
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getLinkMetaMockSpy.mockRejectedValueOnce(error)
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try {
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await viewModel.getLinkMeta(url)
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fail('Error was not thrown')
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} catch (e) {
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expect(e).toEqual(error)
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expect(viewModel.cache.get(url)).toBeUndefined()
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}
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})
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})
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})
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