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promcertcheck/vendor/github.com/prometheus/procfs/bcache/get_test.go
Knut Ahlers 328cc40d38
Switch to dep for dependency managment, update deps
Signed-off-by: Knut Ahlers <knut@ahlers.me>
2017-11-05 16:06:22 +01:00

114 lines
2.5 KiB
Go

// Copyright 2017 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package bcache
import (
"testing"
"math"
)
func TestDehumanizeTests(t *testing.T) {
dehumanizeTests := []struct {
in []byte
out uint64
invalid bool
}{
{
in: []byte("542k"),
out: 555008,
},
{
in: []byte("322M"),
out: 337641472,
},
{
in: []byte("1.1k"),
out: 1124,
},
{
in: []byte("1.9k"),
out: 1924,
},
{
in: []byte("1.10k"),
out: 2024,
},
{
in: []byte(""),
out: 0,
invalid: true,
},
}
for _, tst := range dehumanizeTests {
got, err := dehumanize(tst.in)
if tst.invalid && err == nil {
t.Error("expected an error, but none occurred")
}
if !tst.invalid && err != nil {
t.Errorf("unexpected error: %v", err)
}
if got != tst.out {
t.Errorf("dehumanize: '%s', want %f, got %f", tst.in, tst.out, got)
}
}
}
func TestParsePseudoFloatTests(t *testing.T) {
parsePseudoFloatTests := []struct {
in string
out float64
}{
{
in: "1.1",
out: float64(1.097656),
},
{
in: "1.9",
out: float64(1.878906),
},
{
in: "1.10",
out: float64(1.976562),
},
}
for _, tst := range parsePseudoFloatTests {
got, err := parsePseudoFloat(tst.in)
if err != nil || math.Abs(got - tst.out) > 0.0001 {
t.Errorf("parsePseudoFloat: %s, want %f, got %f", tst.in, tst.out, got)
}
}
}
func TestPriorityStats(t *testing.T) {
var want = PriorityStats{
UnusedPercent: 99,
MetadataPercent: 5,
}
var (
in string
gotErr error
got PriorityStats
)
in = "Metadata: 5%"
gotErr = parsePriorityStats(in, &got)
if gotErr != nil || got.MetadataPercent != want.MetadataPercent {
t.Errorf("parsePriorityStats: '%s', want %f, got %f", in, want.MetadataPercent, got.MetadataPercent)
}
in = "Unused: 99%"
gotErr = parsePriorityStats(in, &got)
if gotErr != nil || got.UnusedPercent != want.UnusedPercent {
t.Errorf("parsePriorityStats: '%s', want %f, got %f", in, want.UnusedPercent, got.UnusedPercent)
}
}