文件操作 - bridge_srv.test.ts
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文件: /usr/share/grafana/public/app/core/services/bridge_srv.test.ts
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import { UrlQueryMap } from '@grafana/data'; import { findTemplateVarChanges } from './bridge_srv'; describe('when checking template variables', () => { it('detect adding/removing a variable', () => { const a: UrlQueryMap = {}; const b: UrlQueryMap = { 'var-xyz': 'hello', aaa: 'ignore me', }; expect(findTemplateVarChanges(b, a)).toEqual({ 'var-xyz': 'hello' }); expect(findTemplateVarChanges(a, b)).toEqual({ 'var-xyz': '' }); }); it('then should ignore equal values', () => { const a: UrlQueryMap = { 'var-xyz': 'hello', bbb: 'ignore me', }; const b: UrlQueryMap = { 'var-xyz': 'hello', aaa: 'ignore me', }; expect(findTemplateVarChanges(b, a)).toBeUndefined(); expect(findTemplateVarChanges(a, b)).toBeUndefined(); }); it('then should ignore equal values with empty values', () => { const a: UrlQueryMap = { 'var-xyz': '', bbb: 'ignore me', }; const b: UrlQueryMap = { 'var-xyz': '', aaa: 'ignore me', }; expect(findTemplateVarChanges(b, a)).toBeUndefined(); expect(findTemplateVarChanges(a, b)).toBeUndefined(); }); it('then should ignore empty array values', () => { const a: UrlQueryMap = { 'var-adhoc': [], }; const b: UrlQueryMap = {}; expect(findTemplateVarChanges(b, a)).toBeUndefined(); expect(findTemplateVarChanges(a, b)).toBeUndefined(); }); it('Should handle array values with one value same as just value', () => { const a: UrlQueryMap = { 'var-test': ['test'], }; const b: UrlQueryMap = { 'var-test': 'test', }; expect(findTemplateVarChanges(b, a)).toBeUndefined(); expect(findTemplateVarChanges(a, b)).toBeUndefined(); }); it('Should detect change in array value and return array with single value', () => { const a: UrlQueryMap = { 'var-test': ['test'], }; const b: UrlQueryMap = { 'var-test': 'asd', }; expect(findTemplateVarChanges(a, b)['var-test']).toEqual(['test']); }); });
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