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describe 'Epoch.Util', ->
describe 'formatSI', ->
it 'should produce the same number for integers < 1000', ->
number = 678
assert.equal Epoch.Util.formatSI(number), number
it 'should only set a fixed decimal for integers when instructed', ->
number = 20
assert.equal Epoch.Util.formatSI(number), number
assert.equal Epoch.Util.formatSI(number, 1, true), "#{number}.0"
it 'should set the appropriate number of fixed digits', ->
number = 3.1415
for i in [1..5]
match = Epoch.Util.formatSI(number, i).split('.')[1]
assert.isNotNull match
assert.isString match
assert.equal match.length, i
it 'should set the appropriate postfix based on the number\'s order of magnitude', ->
for i, postfix of ['K', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y']
number = Math.pow(10, ((i|0)+1)*3)
assert.equal Epoch.Util.formatSI(number), "1 #{postfix}"
describe 'formatBytes', ->
it 'should postfix numbers < 1024 with "B"', ->
number = 512
assert.equal Epoch.Util.formatBytes(number), "#{number} B"
it 'should only set a fixed decimal for integers when instructed', ->
assert.equal Epoch.Util.formatBytes(128), '128 B'
assert.equal Epoch.Util.formatBytes(128, 1, true), '128.0 B'
assert.equal Epoch.Util.formatBytes(1024), '1 KB'
assert.equal Epoch.Util.formatBytes(1024, 1, true), '1.0 KB'
it 'should set the appropriate number of fixed digits', ->
number = 3.1415
for i in [1..5]
fixed = Epoch.Util.formatBytes(number, i).replace(/\sB$/, '')
assert.isString fixed
match = fixed.split('.')[1]
assert.isNotNull match
assert.equal match.length, i
it 'should set the appropriate postfix based on the number\'s order of magnitude', ->
for i, postfix of ['KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB']
number = Math.pow(1024, (i|0)+1)
regexp = new RegExp(" #{postfix}$")
assert.isNotNull Epoch.Util.formatBytes(number).match(regexp)
describe 'Epoch.Formats', ->
describe 'regular', ->
it 'should return what it was given', ->
assert.equal Epoch.Formats.regular(10), 10
assert.equal Epoch.Formats.regular("hello"), "hello"
describe 'percent', ->
it 'should return a percent given a number', ->
assert.equal Epoch.Formats.percent(0.1), '10.0%'
assert.equal Epoch.Formats.percent(0.5), '50.0%'
assert.equal Epoch.Formats.percent(1), '100.0%'
assert.equal Epoch.Formats.percent(23.245), '2324.5%'
describe 'seconds', ->
it 'should return a well formatted date given a timestamp', ->
assert.match Epoch.Formats.seconds(1404385979), /\d{2}:\d{2}:\d{2} AM|PM/
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