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|
package ui
import (
"testing"
"github.com/restic/restic/internal/test"
)
func TestFormatBytes(t *testing.T) {
for _, c := range []struct {
size uint64
want string
}{
{0, "0 B"},
{1023, "1023 B"},
{1024, "1.000 KiB"},
{5<<20 + 1<<19, "5.500 MiB"},
{1 << 30, "1.000 GiB"},
{2 << 30, "2.000 GiB"},
{1<<40 - 1<<36, "960.000 GiB"},
{1 << 40, "1.000 TiB"},
} {
if got := FormatBytes(c.size); got != c.want {
t.Errorf("want %q, got %q", c.want, got)
}
}
}
func TestFormatPercent(t *testing.T) {
for _, c := range []struct {
num, denom uint64
want string
}{
{0, 5, "0.00%"},
{3, 7, "42.86%"},
{99, 99, "100.00%"},
} {
if got := FormatPercent(c.num, c.denom); got != c.want {
t.Errorf("want %q, got %q", c.want, got)
}
}
}
func TestParseBytes(t *testing.T) {
for _, tt := range []struct {
in string
expected int64
}{
{"1024", 1024},
{"1024b", 1024},
{"1024B", 1024},
{"1k", 1024},
{"100k", 102400},
{"100K", 102400},
{"10M", 10485760},
{"100m", 104857600},
{"20G", 21474836480},
{"10g", 10737418240},
{"2T", 2199023255552},
{"2t", 2199023255552},
{"9223372036854775807", 1<<63 - 1},
} {
actual, err := ParseBytes(tt.in)
test.OK(t, err)
test.Equals(t, tt.expected, actual)
}
}
func TestParseBytesInvalid(t *testing.T) {
for _, s := range []string{
"",
" ",
"foobar",
"zzz",
"18446744073709551615", // 1<<64-1.
"9223372036854775807k", // 1<<63-1 kiB.
"9999999999999M",
"99999999999999999999",
} {
v, err := ParseBytes(s)
if err == nil {
t.Errorf("wanted error for invalid value %q, got nil", s)
}
test.Equals(t, int64(0), v)
}
}
func TestTerminalDisplayWidth(t *testing.T) {
for _, c := range []struct {
input string
want int
}{
{"foo", 3},
{"aéb", 3},
{"ab", 3},
{"a’b", 3},
{"aあb", 4},
} {
if got := TerminalDisplayWidth(c.input); got != c.want {
t.Errorf("wrong display width for '%s', want %d, got %d", c.input, c.want, got)
}
}
}
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