import gfunc, { FuncDefs, FuncInstance } from './gfunc'; describe('gfunc', () => { const INDEX: FuncDefs = { foo: { name: 'foo', params: [], defaultParams: [], }, }; it('returns function from the index', () => { expect(gfunc.getFuncDef('foo', INDEX)).toEqual(INDEX.foo); }); it('marks function as unknown when it is not available in the index', () => { expect(gfunc.getFuncDef('bar', INDEX)).toEqual({ name: 'bar', params: [{ name: '', type: '', multiple: true }], defaultParams: [''], unknown: true, }); }); it('renders the version < .9 asPercent function parameters by not escaping them as a string', () => { // this function is returned from the graphite functions endpoint const asPercentDef = { name: 'asPercent', description: 'Calculates a percentage.', category: 'Combine', params: [ { name: 'total', type: 'string', optional: true, multiple: false, }, { name: 'nodes', type: 'node_or_tag', optional: true, multiple: true, options: [], }, ], defaultParams: [], }; const asPercent = new FuncInstance(asPercentDef); const asPercentRendered = asPercent.render('#A', () => '#A'); expect(asPercentRendered).toEqual('asPercent(#A)'); }); });