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// Copyright 2022 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 procfs
import (
"reflect"
"testing"
)
func TestProcInterrupts(t *testing.T) {
p, err := getProcFixtures(t).Proc(26231)
if err != nil {
t.Fatal(err)
}
interrupts, err := p.Interrupts()
if err != nil {
t.Fatal(err)
}
if want, have := 47, len(interrupts); want != have {
t.Errorf("want length %d, have %d", want, have)
}
for _, test := range []struct {
name string
irq string
want Interrupt
}{
{
name: "first line",
irq: "0",
want: Interrupt{
Info: "IO-APIC",
Devices: "2-edge timer",
Values: []string{"49", "0", "0", "0"},
},
},
{
name: "last line",
irq: "PIW",
want: Interrupt{
Info: "Posted-interrupt wakeup event",
Devices: "",
Values: []string{"0", "0", "0", "0"},
},
},
{
name: "empty devices",
irq: "LOC",
want: Interrupt{
Info: "Local timer interrupts",
Devices: "",
Values: []string{"10196", "7429", "8542", "8229"},
},
},
{
name: "single value",
irq: "ERR",
want: Interrupt{
Info: "",
Devices: "",
Values: []string{"0"},
},
},
} {
t.Run(test.name, func(t *testing.T) {
if value, ok := interrupts[test.irq]; ok {
if value.Info != test.want.Info {
t.Errorf("info: want %s, have %s", test.want.Info, value.Info)
}
if value.Devices != test.want.Devices {
t.Errorf("devices: want %s, have %s", test.want.Devices, value.Devices)
}
if !reflect.DeepEqual(value.Values, test.want.Values) {
t.Errorf("values: want %v, have %v", test.want.Values, value.Values)
}
} else {
t.Errorf("IRQ %s not found", test.irq)
}
})
}
}