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Move implementation to humanize.cr
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@straight-shoota
straight-shoota committed Feb 7, 2019
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111 changes: 111 additions & 0 deletions spec/std/humanize_spec.cr
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require "spec"

private LENGTH_UNITS = ->(magnitude : Int32, number : Float64) do
case magnitude
when -2, -1 then {-2, " cm"}
when .>=(4)
{3, " km"}
else
magnitude = Number.prefix_index(magnitude)
{magnitude, " #{Number.si_prefix(magnitude)}m"}
end
end

describe Number do
describe "#format" do
it do
1.format.should eq "1"
12.format.should eq "12"
123.format.should eq "123"
1234.format.should eq "1,234"

123.45.format.should eq "123.45"
123.45.format(separator: ',').should eq "123,45"
123.45.format(decimal_places: 3).should eq "123.450"
123.45.format(decimal_places: 3, only_significant: true).should eq "123.45"
123.4567.format(decimal_places: 3).should eq "123.457"

123_456.format.should eq "123,456"
123_456.format(delimiter: '.').should eq "123.456"

123_456.789.format.should eq "123,456.789"
end
end

describe "#humanize" do
it { 0.humanize.should eq "0.0" }
it { 1.humanize.should eq "1.0" }
it { -1.humanize.should eq "-1.0" }
it { 123.humanize.should eq "123" }
it { 123.humanize(2).should eq "120" }
it { 1234.humanize.should eq "1.23k" }
it { 12_345.humanize.should eq "12.3k" }
it { 12_345.humanize(2).should eq "12k" }
it { 1_234_567.humanize.should eq "1.23M" }
it { 1_234_567.humanize(5).should eq "1.2346M" }
it { 12_345_678.humanize(5).should eq "12.346M" }
it { 0.012_345.humanize.should eq "12.3m" }
it { 0.001_234_5.humanize.should eq "1.23m" }
it { 0.000_000_012_345.humanize.should eq "12.3n" }
it { 0.000_000_001.humanize.should eq "1.0n" }
it { 0.000_000_001_235.humanize.should eq "1.24n" }
it { 0.123_456_78.humanize.should eq "123m" }
it { 0.123_456_78.humanize(5).should eq "123.46m" }

it { 1_234.567_890_123.humanize(precision: 2, significant: false).should eq("1.23k") }
it { 123.456_789_012_3.humanize(precision: 2, significant: false).should eq("123.46") }
it { 12.345_678_901_23.humanize(precision: 2, significant: false).should eq("12.35") }
it { 1.234_567_890_123.humanize(precision: 2, significant: false).should eq("1.23") }

it { 0.123_456_789_012.humanize(precision: 2, significant: false).should eq("123.46m") }
it { 0.012_345_678_901.humanize(precision: 2, significant: false).should eq("12.35m") }
it { 0.001_234_567_890.humanize(precision: 2, significant: false).should eq("1.23m") }

it { 0.000_123_456_789.humanize(precision: 2, significant: false).should eq("123.46µ") }
it { 0.000_012_345_678.humanize(precision: 2, significant: false).should eq("12.35µ") }
it { 0.000_001_234_567.humanize(precision: 2, significant: false).should eq("1.23µ") }

it { 0.000_000_123_456.humanize(precision: 2, significant: false).should eq("123.46n") }
it { 0.000_000_012_345.humanize(precision: 2, significant: false).should eq("12.35n") }
it { 0.000_000_001_234.humanize(precision: 2, significant: false).should eq("1.23n") }
it { 0.000_000_000_123.humanize(precision: 2, significant: false).should eq("123.00p") }

describe "using custom prefixes" do
it { 1_420_000_000.humanize(prefixes: LENGTH_UNITS).should eq "1,420,000 km" }
it { 1_420.humanize(prefixes: LENGTH_UNITS).should eq "1.42 km" }
it { 1.humanize(prefixes: LENGTH_UNITS).should eq "1.0 m" }
it { 0.1.humanize(prefixes: LENGTH_UNITS).should eq "10.0 cm" }
it { 0.01.humanize(prefixes: LENGTH_UNITS).should eq "1.0 cm" }
it { 0.001.humanize(prefixes: LENGTH_UNITS).should eq "1.0 mm" }
it { 0.000_01.humanize(prefixes: LENGTH_UNITS).should eq "10.0 µm" }
it { 0.000_000_001.humanize(prefixes: LENGTH_UNITS).should eq "1.0 nm" }
end
end
end

describe Int do
describe "#humanize_bytes" do
# default IEC
it { 1024.humanize_bytes.should eq "1.0kiB" }

it { 0.humanize_bytes(format: Int::BinaryPrefixFormat::JEDEC).should eq "0B" }
it { 1.humanize_bytes(format: Int::BinaryPrefixFormat::JEDEC).should eq "1B" }
it { 1000.humanize_bytes(format: Int::BinaryPrefixFormat::JEDEC).should eq "1000B" }
it { 1014.humanize_bytes(format: Int::BinaryPrefixFormat::JEDEC).should eq "0.99KB" }
it { 1015.humanize_bytes(format: Int::BinaryPrefixFormat::JEDEC).should eq "1.0KB" }
it { 1024.humanize_bytes(format: Int::BinaryPrefixFormat::JEDEC).should eq "1.0KB" }
it { 1025.humanize_bytes(format: Int::BinaryPrefixFormat::JEDEC).should eq "1.01KB" }
it { 2048.humanize_bytes(format: Int::BinaryPrefixFormat::JEDEC).should eq "2.0KB" }

it { 1536.humanize_bytes(format: Int::BinaryPrefixFormat::JEDEC).should eq("1.5KB") }
it { 524288.humanize_bytes(format: Int::BinaryPrefixFormat::JEDEC).should eq("512KB") }
it { 1048576.humanize_bytes(format: Int::BinaryPrefixFormat::JEDEC).should eq("1.0MB") }
it { 1073741824.humanize_bytes(format: Int::BinaryPrefixFormat::JEDEC).should eq("1.0GB") }
it { 1099511627776.humanize_bytes(format: Int::BinaryPrefixFormat::JEDEC).should eq("1.0TB") }
it { 1125899906842624.humanize_bytes(format: Int::BinaryPrefixFormat::JEDEC).should eq("1.0PB") }
it { 1152921504606846976.humanize_bytes(format: Int::BinaryPrefixFormat::JEDEC).should eq("1.0EB") }

it { 1024.humanize_bytes(format: Int::BinaryPrefixFormat::IEC).should eq "1.0kiB" }
it { 1073741824.humanize_bytes(format: Int::BinaryPrefixFormat::IEC).should eq "1.0GiB" }
end
end
25 changes: 0 additions & 25 deletions spec/std/int_spec.cr
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Expand Up @@ -713,29 +713,4 @@ describe "Int" do
65.unsafe_chr.should eq('A')
(0x10ffff + 1).unsafe_chr.ord.should eq(0x10ffff + 1)
end

describe "#humanize_bytes" do
# default IEC
it { 1024.humanize_bytes.should eq "1.0kiB" }

it { 0.humanize_bytes(format: Int::BinaryPrefixFormat::JEDEC).should eq "0B" }
it { 1.humanize_bytes(format: Int::BinaryPrefixFormat::JEDEC).should eq "1B" }
it { 1000.humanize_bytes(format: Int::BinaryPrefixFormat::JEDEC).should eq "1000B" }
it { 1014.humanize_bytes(format: Int::BinaryPrefixFormat::JEDEC).should eq "0.99KB" }
it { 1015.humanize_bytes(format: Int::BinaryPrefixFormat::JEDEC).should eq "1.0KB" }
it { 1024.humanize_bytes(format: Int::BinaryPrefixFormat::JEDEC).should eq "1.0KB" }
it { 1025.humanize_bytes(format: Int::BinaryPrefixFormat::JEDEC).should eq "1.01KB" }
it { 2048.humanize_bytes(format: Int::BinaryPrefixFormat::JEDEC).should eq "2.0KB" }

it { 1536.humanize_bytes(format: Int::BinaryPrefixFormat::JEDEC).should eq("1.5KB") }
it { 524288.humanize_bytes(format: Int::BinaryPrefixFormat::JEDEC).should eq("512KB") }
it { 1048576.humanize_bytes(format: Int::BinaryPrefixFormat::JEDEC).should eq("1.0MB") }
it { 1073741824.humanize_bytes(format: Int::BinaryPrefixFormat::JEDEC).should eq("1.0GB") }
it { 1099511627776.humanize_bytes(format: Int::BinaryPrefixFormat::JEDEC).should eq("1.0TB") }
it { 1125899906842624.humanize_bytes(format: Int::BinaryPrefixFormat::JEDEC).should eq("1.0PB") }
it { 1152921504606846976.humanize_bytes(format: Int::BinaryPrefixFormat::JEDEC).should eq("1.0EB") }

it { 1024.humanize_bytes(format: Int::BinaryPrefixFormat::IEC).should eq "1.0kiB" }
it { 1073741824.humanize_bytes(format: Int::BinaryPrefixFormat::IEC).should eq "1.0GiB" }
end
end
81 changes: 0 additions & 81 deletions spec/std/number_spec.cr
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Expand Up @@ -258,85 +258,4 @@ describe "Number" do
iter.next.should eq(1000)
end
end

describe "#format" do
it do
1.format.should eq "1"
12.format.should eq "12"
123.format.should eq "123"
1234.format.should eq "1,234"

123.45.format.should eq "123.45"
123.45.format(separator: ',').should eq "123,45"
123.45.format(decimal_places: 3).should eq "123.450"
123.45.format(decimal_places: 3, only_significant: true).should eq "123.45"
123.4567.format(decimal_places: 3).should eq "123.457"

123_456.format.should eq "123,456"
123_456.format(delimiter: '.').should eq "123.456"

123_456.789.format.should eq "123,456.789"
end
end

describe "#humanize" do
it { 0.humanize.should eq "0.0" }
it { 1.humanize.should eq "1.0" }
it { -1.humanize.should eq "-1.0" }
it { 123.humanize.should eq "123" }
it { 123.humanize(2).should eq "120" }
it { 1234.humanize.should eq "1.23k" }
it { 12_345.humanize.should eq "12.3k" }
it { 12_345.humanize(2).should eq "12k" }
it { 1_234_567.humanize.should eq "1.23M" }
it { 1_234_567.humanize(5).should eq "1.2346M" }
it { 12_345_678.humanize(5).should eq "12.346M" }
it { 0.012_345.humanize.should eq "12.3m" }
it { 0.001_234_5.humanize.should eq "1.23m" }
it { 0.000_000_012_345.humanize.should eq "12.3n" }
it { 0.000_000_001.humanize.should eq "1.0n" }
it { 0.000_000_001_235.humanize.should eq "1.24n" }
it { 0.123_456_78.humanize.should eq "123m" }
it { 0.123_456_78.humanize(5).should eq "123.46m" }

it { 1_234.567_890_123.humanize(precision: 2, significant: false).should eq("1.23k") }
it { 123.456_789_012_3.humanize(precision: 2, significant: false).should eq("123.46") }
it { 12.345_678_901_23.humanize(precision: 2, significant: false).should eq("12.35") }
it { 1.234_567_890_123.humanize(precision: 2, significant: false).should eq("1.23") }

it { 0.123_456_789_012.humanize(precision: 2, significant: false).should eq("123.46m") }
it { 0.012_345_678_901.humanize(precision: 2, significant: false).should eq("12.35m") }
it { 0.001_234_567_890.humanize(precision: 2, significant: false).should eq("1.23m") }

it { 0.000_123_456_789.humanize(precision: 2, significant: false).should eq("123.46µ") }
it { 0.000_012_345_678.humanize(precision: 2, significant: false).should eq("12.35µ") }
it { 0.000_001_234_567.humanize(precision: 2, significant: false).should eq("1.23µ") }

it { 0.000_000_123_456.humanize(precision: 2, significant: false).should eq("123.46n") }
it { 0.000_000_012_345.humanize(precision: 2, significant: false).should eq("12.35n") }
it { 0.000_000_001_234.humanize(precision: 2, significant: false).should eq("1.23n") }
it { 0.000_000_000_123.humanize(precision: 2, significant: false).should eq("123.00p") }

describe "using custom prefixes" do
it { 1_420_000_000.humanize(prefixes: LENGTH_UNITS).should eq "1,420,000 km" }
it { 1_420.humanize(prefixes: LENGTH_UNITS).should eq "1.42 km" }
it { 1.humanize(prefixes: LENGTH_UNITS).should eq "1.0 m" }
it { 0.1.humanize(prefixes: LENGTH_UNITS).should eq "10.0 cm" }
it { 0.01.humanize(prefixes: LENGTH_UNITS).should eq "1.0 cm" }
it { 0.001.humanize(prefixes: LENGTH_UNITS).should eq "1.0 mm" }
it { 0.000_01.humanize(prefixes: LENGTH_UNITS).should eq "10.0 µm" }
it { 0.000_000_001.humanize(prefixes: LENGTH_UNITS).should eq "1.0 nm" }
end
end
end

private LENGTH_UNITS = ->(magnitude : Int32, number : Float64) do
case magnitude
when -2, -1 then {-2, " cm"}
when .>=(4)
{3, " km"}
else
magnitude = Number.prefix_index(magnitude)
{magnitude, " #{Number.si_prefix(magnitude)}m"}
end
end

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