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mondash/vendor/github.com/flosch/go-humanize/bytes_test.go
Knut Ahlers fd7056f82f
Switch to dep for vendoring, update libraries
Signed-off-by: Knut Ahlers <knut@ahlers.me>
2017-11-22 21:39:52 +01:00

142 lines
3.4 KiB
Go

package humanize
import (
"testing"
)
func TestByteParsing(t *testing.T) {
tests := []struct {
in string
exp uint64
}{
{"42", 42},
{"42MB", 42000000},
{"42MiB", 44040192},
{"42mb", 42000000},
{"42mib", 44040192},
{"42MIB", 44040192},
{"42 MB", 42000000},
{"42 MiB", 44040192},
{"42 mb", 42000000},
{"42 mib", 44040192},
{"42 MIB", 44040192},
{"42.5MB", 42500000},
{"42.5MiB", 44564480},
{"42.5 MB", 42500000},
{"42.5 MiB", 44564480},
// No need to say B
{"42M", 42000000},
{"42Mi", 44040192},
{"42m", 42000000},
{"42mi", 44040192},
{"42MI", 44040192},
{"42 M", 42000000},
{"42 Mi", 44040192},
{"42 m", 42000000},
{"42 mi", 44040192},
{"42 MI", 44040192},
{"42.5M", 42500000},
{"42.5Mi", 44564480},
{"42.5 M", 42500000},
{"42.5 Mi", 44564480},
// Large testing, breaks when too much larger than
// this.
{"12.5 EB", uint64(12.5 * float64(EByte))},
{"12.5 E", uint64(12.5 * float64(EByte))},
{"12.5 EiB", uint64(12.5 * float64(EiByte))},
}
for _, p := range tests {
got, err := ParseBytes(p.in)
if err != nil {
t.Errorf("Couldn't parse %v: %v", p.in, err)
}
if got != p.exp {
t.Errorf("Expected %v for %v, got %v",
p.exp, p.in, got)
}
}
}
func TestByteErrors(t *testing.T) {
got, err := ParseBytes("84 JB")
if err == nil {
t.Errorf("Expected error, got %v", got)
}
got, err = ParseBytes("")
if err == nil {
t.Errorf("Expected error parsing nothing")
}
got, err = ParseBytes("16 EiB")
if err == nil {
t.Errorf("Expected error, got %v", got)
}
}
func TestBytes(t *testing.T) {
testList{
{"bytes(0)", Bytes(0), "0B"},
{"bytes(1)", Bytes(1), "1B"},
{"bytes(803)", Bytes(803), "803B"},
{"bytes(999)", Bytes(999), "999B"},
{"bytes(1024)", Bytes(1024), "1.0KB"},
{"bytes(1MB - 1)", Bytes(MByte - Byte), "1000KB"},
{"bytes(1MB)", Bytes(1024 * 1024), "1.0MB"},
{"bytes(1GB - 1K)", Bytes(GByte - KByte), "1000MB"},
{"bytes(1GB)", Bytes(GByte), "1.0GB"},
{"bytes(1TB - 1M)", Bytes(TByte - MByte), "1000GB"},
{"bytes(1TB)", Bytes(TByte), "1.0TB"},
{"bytes(1PB - 1T)", Bytes(PByte - TByte), "999TB"},
{"bytes(1PB)", Bytes(PByte), "1.0PB"},
{"bytes(1PB - 1T)", Bytes(EByte - PByte), "999PB"},
{"bytes(1EB)", Bytes(EByte), "1.0EB"},
// Overflows.
// {"bytes(1EB - 1P)", Bytes((KByte*EByte)-PByte), "1023EB"},
{"bytes(0)", IBytes(0), "0B"},
{"bytes(1)", IBytes(1), "1B"},
{"bytes(803)", IBytes(803), "803B"},
{"bytes(1023)", IBytes(1023), "1023B"},
{"bytes(1024)", IBytes(1024), "1.0KiB"},
{"bytes(1MB - 1)", IBytes(MiByte - IByte), "1024KiB"},
{"bytes(1MB)", IBytes(1024 * 1024), "1.0MiB"},
{"bytes(1GB - 1K)", IBytes(GiByte - KiByte), "1024MiB"},
{"bytes(1GB)", IBytes(GiByte), "1.0GiB"},
{"bytes(1TB - 1M)", IBytes(TiByte - MiByte), "1024GiB"},
{"bytes(1TB)", IBytes(TiByte), "1.0TiB"},
{"bytes(1PB - 1T)", IBytes(PiByte - TiByte), "1023TiB"},
{"bytes(1PB)", IBytes(PiByte), "1.0PiB"},
{"bytes(1PB - 1T)", IBytes(EiByte - PiByte), "1023PiB"},
{"bytes(1EiB)", IBytes(EiByte), "1.0EiB"},
// Overflows.
// {"bytes(1EB - 1P)", IBytes((KIByte*EIByte)-PiByte), "1023EB"},
{"bytes(5.5GiB)", IBytes(5.5 * GiByte), "5.5GiB"},
{"bytes(5.5GB)", Bytes(5.5 * GByte), "5.5GB"},
}.validate(t)
}
func BenchmarkParseBytes(b *testing.B) {
for i := 0; i < b.N; i++ {
ParseBytes("16.5GB")
}
}
func BenchmarkBytes(b *testing.B) {
for i := 0; i < b.N; i++ {
Bytes(16.5 * GByte)
}
}