ceph/src/pybind/mgr/dashboard/frontend/src/app/shared/services/formatter.service.spec.ts

   1 import { configureTestBed } from '../../../testing/unit-test-helper';
   2 import { DimlessBinaryPipe } from '../pipes/dimless-binary.pipe';
   3 import { DimlessPipe } from '../pipes/dimless.pipe';
   4 import { FormatterService } from './formatter.service';
   5
   6 describe('FormatterService', () => {
   7   let service: FormatterService;
   8   let dimlessBinaryPipe: DimlessBinaryPipe;
   9   let dimlessPipe: DimlessPipe;
  10
  11   const convertToBytesAndBack = (value: string, newValue?: string) => {
  12     expect(dimlessBinaryPipe.transform(service.toBytes(value))).toBe(newValue || value);
  13   };
  14
  15   configureTestBed({
  16     providers: [FormatterService, DimlessBinaryPipe]
  17   });
  18
  19   beforeEach(() => {
  20     service = new FormatterService();
  21     dimlessBinaryPipe = new DimlessBinaryPipe(service);
  22     dimlessPipe = new DimlessPipe(service);
  23   });
  24
  25   it('should be created', () => {
  26     expect(service).toBeTruthy();
  27   });
  28
  29   describe('format_number', () => {
  30     const formats = ['B', 'KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB', 'ZiB', 'YiB'];
  31
  32     it('should return minus for unsupported values', () => {
  33       expect(service.format_number(service, 1024, formats)).toBe('-');
  34       expect(service.format_number(undefined, 1024, formats)).toBe('-');
  35       expect(service.format_number(null, 1024, formats)).toBe('-');
  36     });
  37
  38     it('should test some values', () => {
  39       expect(service.format_number('0', 1024, formats)).toBe('0 B');
  40       expect(service.format_number('0.1', 1024, formats)).toBe('0.1 B');
  41       expect(service.format_number('1.2', 1024, formats)).toBe('1.2 B');
  42       expect(service.format_number('1', 1024, formats)).toBe('1 B');
  43       expect(service.format_number('1024', 1024, formats)).toBe('1 KiB');
  44       expect(service.format_number(23.45678 * Math.pow(1024, 3), 1024, formats)).toBe('23.5 GiB');
  45       expect(service.format_number(23.45678 * Math.pow(1024, 3), 1024, formats, 2)).toBe(
  46         '23.46 GiB'
  47       );
  48     });
  49
  50     it('should test some dimless values', () => {
  51       expect(dimlessPipe.transform(0.6)).toBe('0.6');
  52       expect(dimlessPipe.transform(1000.608)).toBe('1 k');
  53       expect(dimlessPipe.transform(1e10)).toBe('10 G');
  54       expect(dimlessPipe.transform(2.37e16)).toBe('23.7 P');
  55     });
  56   });
  57
  58   describe('toBytes', () => {
  59     it('should not convert wrong values', () => {
  60       expect(service.toBytes('10xyz')).toBeNull();
  61       expect(service.toBytes('1.1.1KiB')).toBeNull();
  62       expect(service.toBytes('1.1 KiloByte')).toBeNull();
  63       expect(service.toBytes('1.1  kib')).toBeNull();
  64       expect(service.toBytes('1.kib')).toBeNull();
  65       expect(service.toBytes('1 ki')).toBeNull();
  66       expect(service.toBytes(undefined)).toBeNull();
  67       expect(service.toBytes('')).toBeNull();
  68       expect(service.toBytes('-')).toBeNull();
  69       expect(service.toBytes(null)).toBeNull();
  70     });
  71
  72     it('should convert values to bytes', () => {
  73       expect(service.toBytes('4815162342')).toBe(4815162342);
  74       expect(service.toBytes('100M')).toBe(104857600);
  75       expect(service.toBytes('100 M')).toBe(104857600);
  76       expect(service.toBytes('100 mIb')).toBe(104857600);
  77       expect(service.toBytes('100 mb')).toBe(104857600);
  78       expect(service.toBytes('100MIB')).toBe(104857600);
  79       expect(service.toBytes('1.532KiB')).toBe(Math.round(1.532 * 1024));
  80       expect(service.toBytes('0.000000000001TiB')).toBe(1);
  81     });
  82
  83     it('should convert values to human readable again', () => {
  84       convertToBytesAndBack('1.1 MiB');
  85       convertToBytesAndBack('1.0MiB', '1 MiB');
  86       convertToBytesAndBack('8.9 GiB');
  87       convertToBytesAndBack('123.5 EiB');
  88     });
  89   });
  90 });