Files
grafana-zabbix/src/datasource-zabbix/specs/dbConnector.test.ts
2020-03-23 16:05:31 +03:00

54 lines
1.8 KiB
TypeScript

import { DBConnector } from '../zabbix/connectors/dbConnector';
const loadDatasourceMock = jest.fn().mockResolvedValue({ id: 42, name: 'foo', meta: {} });
const getAllMock = jest.fn().mockReturnValue([{ id: 42, name: 'foo', meta: {} }]);
jest.mock('@grafana/runtime', () => ({
getDataSourceSrv: () => ({
loadDatasource: loadDatasourceMock,
getAll: getAllMock
}),
}));
describe('DBConnector', () => {
const ctx: any = {};
describe('When init DB connector', () => {
beforeEach(() => {
ctx.options = {
datasourceId: 42,
datasourceName: undefined
};
loadDatasourceMock.mockClear();
getAllMock.mockClear();
});
it('should try to load datasource by name first', () => {
const dbConnector = new DBConnector({ datasourceName: 'bar' });
dbConnector.loadDBDataSource();
expect(getAllMock).not.toHaveBeenCalled();
expect(loadDatasourceMock).toHaveBeenCalledWith('bar');
});
it('should load datasource by id if name not present', () => {
const dbConnector = new DBConnector({ datasourceId: 42 });
dbConnector.loadDBDataSource();
expect(getAllMock).toHaveBeenCalled();
expect(loadDatasourceMock).toHaveBeenCalledWith('foo');
});
it('should throw error if no name and id specified', () => {
ctx.options = {};
const dbConnector = new DBConnector(ctx.options);
return expect(dbConnector.loadDBDataSource()).rejects.toBe('Data Source name should be specified');
});
it('should throw error if datasource with given id is not found', () => {
ctx.options.datasourceId = 45;
const dbConnector = new DBConnector(ctx.options);
return expect(dbConnector.loadDBDataSource()).rejects.toBe('Data Source with ID 45 not found');
});
});
});