mirror of
https://github.com/genuinetools/reg.git
synced 2024-08-22 22:40:24 -04:00
115 lines
2.5 KiB
Go
115 lines
2.5 KiB
Go
// Copyright 2017 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package bcache
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import (
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"math"
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"testing"
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)
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func TestDehumanizeTests(t *testing.T) {
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dehumanizeTests := []struct {
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in []byte
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out uint64
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invalid bool
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}{
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{
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in: []byte("542k"),
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out: 555008,
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},
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{
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in: []byte("322M"),
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out: 337641472,
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},
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{
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in: []byte("1.1k"),
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out: 1124,
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},
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{
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in: []byte("1.9k"),
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out: 1924,
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},
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{
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in: []byte("1.10k"),
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out: 2024,
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},
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{
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in: []byte(""),
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out: 0,
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invalid: true,
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},
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}
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for _, tst := range dehumanizeTests {
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got, err := dehumanize(tst.in)
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if tst.invalid && err == nil {
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t.Error("expected an error, but none occurred")
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}
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if !tst.invalid && err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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if got != tst.out {
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t.Errorf("dehumanize: '%s', want %d, got %d", tst.in, tst.out, got)
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}
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}
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}
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func TestParsePseudoFloatTests(t *testing.T) {
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parsePseudoFloatTests := []struct {
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in string
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out float64
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}{
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{
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in: "1.1",
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out: float64(1.097656),
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},
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{
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in: "1.9",
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out: float64(1.878906),
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},
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{
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in: "1.10",
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out: float64(1.976562),
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},
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}
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for _, tst := range parsePseudoFloatTests {
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got, err := parsePseudoFloat(tst.in)
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if err != nil || math.Abs(got-tst.out) > 0.0001 {
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t.Errorf("parsePseudoFloat: %s, want %f, got %f", tst.in, tst.out, got)
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}
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}
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}
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func TestPriorityStats(t *testing.T) {
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var want = PriorityStats{
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UnusedPercent: 99,
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MetadataPercent: 5,
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}
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var (
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in string
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gotErr error
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got PriorityStats
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)
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in = "Metadata: 5%"
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gotErr = parsePriorityStats(in, &got)
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if gotErr != nil || got.MetadataPercent != want.MetadataPercent {
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t.Errorf("parsePriorityStats: '%s', want %d, got %d", in, want.MetadataPercent, got.MetadataPercent)
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}
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in = "Unused: 99%"
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gotErr = parsePriorityStats(in, &got)
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if gotErr != nil || got.UnusedPercent != want.UnusedPercent {
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t.Errorf("parsePriorityStats: '%s', want %d, got %d", in, want.UnusedPercent, got.UnusedPercent)
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}
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}
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