zrepl/util/datasizeunit/datasizeunit_test.go

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package datasizeunit
import (
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/zrepl/yaml-config"
)
func TestBits(t *testing.T) {
tcs := []struct {
input string
expectRate float64
expectErr string
}{
{`23 bit`, 23, ""}, // bit special case works
{`23bit`, 23, ""}, // also without space
{`10MiB`, 10 * (1 << 20) * 8, ""}, // integer unit without space
{`10 MiB`, 8 * 10 * (1 << 20), ""}, // integer unit with space
{`10.5 Kib`, 10.5 * (1 << 10), ""}, // floating point with bit unit works with space
{`10.5Kib`, 10.5 * (1 << 10), ""}, // floating point with bit unit works without space
// unit checks
{`1 bit`, 1, ""},
{`1 B`, 1 * 8, ""},
{`1 Kb`, 1e3, ""},
{`1 Kib`, 1 << 10, ""},
{`1 Mb`, 1e6, ""},
{`1 Mib`, 1 << 20, ""},
{`1 Gb`, 1e9, ""},
{`1 Gib`, 1 << 30, ""},
{`1 Tb`, 1e12, ""},
{`1 Tib`, 1 << 40, ""},
}
for _, tc := range tcs {
t.Run(tc.input, func(t *testing.T) {
var bits Bits
err := yaml.Unmarshal([]byte(tc.input), &bits)
if tc.expectErr != "" {
assert.Error(t, err)
assert.Regexp(t, tc.expectErr, err.Error())
assert.Zero(t, bits.bits)
} else {
require.NoError(t, err)
assert.Equal(t, tc.expectRate, bits.bits)
}
})
}
}