Write a unit test for fileSizeFormatService

test/unit/specs/services/file_size_format/file_size_format.spec.js

@@ -0,0 +1,34 @@
+ import fileSizeFormatService from '../../../../../src/services/file_size_format/file_size_format.js'
+ describe('fileSizeFormat', () => {
+   it('Formats file size', () => {
+     const values = [1, 1024, 1048576, 1073741824, 1099511627776]
+     const expected = [
+       {
+         num: 1,
+         unit: 'B'
+       },
+       {
+         num: 1,
+         unit: 'KiB'
+       },
+       {
+         num: 1,
+         unit: 'MiB'
+       },
+       {
+         num: 1,
+         unit: 'GiB'
+       },
+       {
+         num: 1,
+         unit: 'TiB'
+       }
+     ]
+
+     var res = []
+     for (var value in values) {
+       res.push(fileSizeFormatService.fileSizeFormat(values[value]))
+     }
+     expect(res).to.eql(expected)
+   })
+ })