shlink-web-client/test/servers/services/ServersService.test.js

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import ServersService from '../../../src/servers/services/ServersService';
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describe('ServersService', () => {
const servers = {
abc123: { id: 'abc123' },
def456: { id: 'def456' },
};
const createStorageMock = (returnValue) => ({
set: jest.fn(),
get: jest.fn(() => returnValue),
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});
describe('listServers', () => {
it('returns an empty object when servers are not found in storage', () => {
const storageMock = createStorageMock();
const service = new ServersService(storageMock);
const result = service.listServers();
expect(result).toEqual({});
expect(storageMock.get).toHaveBeenCalledTimes(1);
expect(storageMock.set).not.toHaveBeenCalled();
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});
it('returns value from storage when found', () => {
const storageMock = createStorageMock(servers);
const service = new ServersService(storageMock);
const result = service.listServers();
expect(result).toEqual(servers);
expect(storageMock.get).toHaveBeenCalledTimes(1);
expect(storageMock.set).not.toHaveBeenCalled();
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});
});
describe('findServerById', () => {
it('returns undefined when requested server is not found', () => {
const storageMock = createStorageMock(servers);
const service = new ServersService(storageMock);
const result = service.findServerById('ghi789');
expect(result).toBeUndefined();
expect(storageMock.get).toHaveBeenCalledTimes(1);
expect(storageMock.set).not.toHaveBeenCalled();
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});
it('returns server from list when found', () => {
const storageMock = createStorageMock(servers);
const service = new ServersService(storageMock);
const result = service.findServerById('abc123');
expect(result).toEqual({ id: 'abc123' });
expect(storageMock.get).toHaveBeenCalledTimes(1);
expect(storageMock.set).not.toHaveBeenCalled();
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});
});
describe('createServer', () => {
it('adds one server to the list', () => {
const storageMock = createStorageMock(servers);
const service = new ServersService(storageMock);
service.createServer({ id: 'ghi789' });
expect(storageMock.get).toHaveBeenCalledTimes(1);
expect(storageMock.set).toHaveBeenCalledTimes(1);
expect(storageMock.set).toHaveBeenCalledWith(expect.anything(), {
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abc123: { id: 'abc123' },
def456: { id: 'def456' },
ghi789: { id: 'ghi789' },
});
});
});
describe('createServers', () => {
it('adds multiple servers to the list', () => {
const storageMock = createStorageMock(servers);
const service = new ServersService(storageMock);
service.createServers([{ id: 'ghi789' }, { id: 'jkl123' }]);
expect(storageMock.get).toHaveBeenCalledTimes(1);
expect(storageMock.set).toHaveBeenCalledTimes(1);
expect(storageMock.set).toHaveBeenCalledWith(expect.anything(), {
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abc123: { id: 'abc123' },
def456: { id: 'def456' },
ghi789: { id: 'ghi789' },
jkl123: { id: 'jkl123' },
});
});
});
describe('deleteServer', () => {
it('removes one server from the list', () => {
const storageMock = createStorageMock(servers);
const service = new ServersService(storageMock);
service.deleteServer({ id: 'abc123' });
expect(storageMock.get).toHaveBeenCalledTimes(1);
expect(storageMock.set).toHaveBeenCalledTimes(1);
expect(storageMock.set).toHaveBeenCalledWith(expect.anything(), {
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def456: { id: 'def456' },
});
});
});
});