mirror of
https://github.com/prometheus-community/windows_exporter.git
synced 2026-10-18 18:49:05 +02:00
Jan-Otto KröpkeandClaude
da7bebc6b3
Co-authored-by: Claude <noreply@anthropic.com> Signed-off-by: Claude <noreply@anthropic.com>
96 lines
3.5 KiB
Go
96 lines
3.5 KiB
Go
// SPDX-License-Identifier: Apache-2.0
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//
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// Copyright 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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//go:build windows
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package smbclient
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import (
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"math"
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestParseInstanceName(t *testing.T) {
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t.Parallel()
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for _, tc := range []struct {
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name string
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server string
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share string
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ok bool
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}{
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{name: `\\fileserver\data`, server: "fileserver", share: "data", ok: true},
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// Windows 11 publishes the instances with a single leading backslash.
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{name: `\localhost\C$`, server: "localhost", share: "C$", ok: true},
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{name: `\\domain\dfs\folder`},
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{name: `_Total`},
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{name: ``},
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} {
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server, share, ok := parseInstanceName(tc.name)
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require.Equal(t, tc.ok, ok, tc.name)
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require.Equal(t, tc.server, server, tc.name)
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require.Equal(t, tc.share, share, tc.name)
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}
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}
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func TestExtendCounters32(t *testing.T) {
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t.Parallel()
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c := &Collector{counters32: make(map[string]*shareCounters32)}
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// internal/pdh delivers the timer sums in seconds of a 10 MHz time base.
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frequencies := [numTimers32]float64{1e7, 1e7, 1e7}
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sample := func(data perfDataCounterValues) perfDataCounterValues {
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c.generation++
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data.Name = `\\server\share`
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c.extendCounters32(&data, frequencies)
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c.pruneCounters32()
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return data
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}
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got := sample(perfDataCounterValues{AvgSecPerRead: (1 << 20) / 1e7, ReadRequestsPerSec: 7, ReadBytesPerSec: 100})
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require.Equal(t, (1<<20)/1e7, got.AvgSecPerRead) //nolint:testifylint
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require.Equal(t, 7.0, got.ReadRequestsPerSec) //nolint:testifylint
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// A timer sum can wrap from anywhere: 2^32 ticks are about 430 s of
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// summed request time.
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got = sample(perfDataCounterValues{AvgSecPerRead: (1 << 10) / 1e7, ReadRequestsPerSec: 9, ReadBytesPerSec: 200})
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require.Equal(t, (float64(math.MaxUint32)+1+(1<<10))/1e7, got.AvgSecPerRead) //nolint:testifylint
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require.Equal(t, 9.0, got.ReadRequestsPerSec) //nolint:testifylint
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// Fractions of a second survive the round trip through ticks.
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got = sample(perfDataCounterValues{AvgSecPerRead: 0.1234567, ReadRequestsPerSec: 10, ReadBytesPerSec: 300})
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require.Equal(t, (float64(math.MaxUint32)+1+1234567)/1e7, got.AvgSecPerRead) //nolint:testifylint
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// A drop of a 64-bit byte counter shows a reconnect, even if DataBytes grew.
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got = sample(perfDataCounterValues{AvgSecPerRead: 5 / 1e7, ReadRequestsPerSec: 1, ReadBytesPerSec: 50, DataBytesPerSec: 1000})
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require.Equal(t, 5/1e7, got.AvgSecPerRead) //nolint:testifylint
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require.Equal(t, 1.0, got.ReadRequestsPerSec) //nolint:testifylint
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// A metadata-only share has no byte counter to show the reconnect; a
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// request count dropping from below 2^31 is taken as one.
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got = sample(perfDataCounterValues{MetadataRequestsPerSec: 50, ReadBytesPerSec: 50, DataBytesPerSec: 1000})
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require.Equal(t, 50.0, got.MetadataRequestsPerSec) //nolint:testifylint
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got = sample(perfDataCounterValues{MetadataRequestsPerSec: 3, ReadBytesPerSec: 50, DataBytesPerSec: 1000})
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require.Equal(t, 3.0, got.MetadataRequestsPerSec) //nolint:testifylint
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}
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