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https://github.com/prometheus/node_exporter.git
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09e610ad37
Logical sector size appears to be fixed at 512B for the foreseeable future in the kernel, so for now we just hard-code it.
49 lines
1.4 KiB
Go
49 lines
1.4 KiB
Go
// Copyright 2015 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 collector
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import (
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"os"
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"testing"
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)
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func TestDiskStats(t *testing.T) {
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file, err := os.Open("fixtures/proc/diskstats")
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if err != nil {
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t.Fatal(err)
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}
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defer file.Close()
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diskStats, err := parseDiskStats(file)
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if err != nil {
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t.Fatal(err)
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}
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if want, got := "25353629", diskStats["sda4"][0]; want != got {
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t.Errorf("want diskstats sda4 %s, got %s", want, got)
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}
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if want, got := "68", diskStats["mmcblk0p2"][10]; want != got {
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t.Errorf("want diskstats mmcblk0p2 %s, got %s", want, got)
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}
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if want, got := "513713216512", diskStats["sda"][11]; want != got {
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t.Errorf("want diskstats sda read bytes %s, got %s", want, got)
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}
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if want, got := "258916880384", diskStats["sda"][12]; want != got {
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t.Errorf("want diskstats sda write bytes %s, got %s", want, got)
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}
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}
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