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// Copyright 2017 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 (
"strings"
"testing"
)
func TestBuddyInfo(t *testing.T) {
buddyInfo, err := FS("fixtures/buddyinfo/valid").NewBuddyInfo()
if err != nil {
t.Fatal(err)
}
if want, got := "DMA", buddyInfo[0].Zone; want != got {
t.Errorf("want Node 0, Zone %s, got %s", want, got)
}
if want, got := "Normal", buddyInfo[2].Zone; want != got {
t.Errorf("want Node 0, Zone %s, got %s", want, got)
}
if want, got := 4381.0, buddyInfo[2].Sizes[0]; want != got {
t.Errorf("want Node 0, Zone Normal %f, got %f", want, got)
}
if want, got := 572.0, buddyInfo[1].Sizes[1]; want != got {
t.Errorf("want Node 0, Zone DMA32 %f, got %f", want, got)
}
}
func TestBuddyInfoShort(t *testing.T) {
_, err := FS("fixtures/buddyinfo/short").NewBuddyInfo()
if err == nil {
t.Errorf("expected error, but none occurred")
}
if want, got := "invalid number of fields when parsing buddyinfo", err.Error(); want != got {
t.Errorf("wrong error returned, wanted %q, got %q", want, got)
}
}
func TestBuddyInfoSizeMismatch(t *testing.T) {
_, err := FS("fixtures/buddyinfo/sizemismatch").NewBuddyInfo()
if err == nil {
t.Errorf("expected error, but none occurred")
}
if want, got := "mismatch in number of buddyinfo buckets", err.Error(); !strings.HasPrefix(got, want) {
t.Errorf("wrong error returned, wanted prefix %q, got %q", want, got)
}
}
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