prometheusmetricshost-metricsmachine-metricsnode-metricsprocfsprometheus-exportersystem-informationsystem-metrics
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47 lines
1.5 KiB
47 lines
1.5 KiB
// Copyright 2018 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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// +build !noprocesses |
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package collector |
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import ( |
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"testing" |
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"gopkg.in/alecthomas/kingpin.v2" |
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) |
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func TestReadProcessStatus(t *testing.T) { |
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if _, err := kingpin.CommandLine.Parse([]string{"--path.procfs", "fixtures/proc"}); err != nil { |
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t.Fatal(err) |
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} |
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want := 1 |
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pids, states, threads, err := getAllocatedThreads() |
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if err != nil { |
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t.Fatalf("Cannot retrieve data from procfs getAllocatedThreads function: %v ", err) |
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} |
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if threads < want { |
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t.Fatalf("Current threads: %d Shouldn't be less than wanted %d", threads, want) |
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} |
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if states == nil { |
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t.Fatalf("Process states cannot be nil %v:", states) |
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} |
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maxPid, err := readUintFromFile(procFilePath("sys/kernel/pid_max")) |
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if err != nil { |
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t.Fatalf("Unable to retrieve limit number of maximum pids alloved %v\n", err) |
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} |
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if uint64(pids) > maxPid || pids == 0 { |
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t.Fatalf("Total running pids cannot be greater than %d or equals to 0", maxPid) |
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} |
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}
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