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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 := getProcFixtures(t).BuddyInfo()
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 TestParseBuddyInfoShort(t *testing.T) {
testdata := `Node 0, zone
Node 0, zone
Node 0, zone
`
reader := strings.NewReader(testdata)
_, err := parseBuddyInfo(reader)
if err == nil {
t.Fatalf("expected error, but none occurred")
}
if want, got := "error parsing file: Invalid number of fields, found: [Node 0, zone]", err.Error(); want != got {
t.Fatalf("error parsing file: Invalid number of fields, found: [Node %q, %q]", want, got)
}
}
func TestParseBuddyInfoSizeMismatch(t *testing.T) {
testdata := `Node 0, zone DMA 1 0 1 0 2 1 1 0 1 1 3
Node 0, zone DMA32 759 572 791 475 194 45 12 0 0 0 0 0
Node 0, zone Normal 4381 1093 185 1530 567 102 4 0 0 0
`
reader := strings.NewReader(testdata)
_, err := parseBuddyInfo(reader)
if err == nil {
t.Fatalf("expected error, but none occurred")
}
if want, got := "error parsing file: mismatch in number of buddyinfo buckets, previous count 11, new count 12", err.Error(); !strings.HasPrefix(got, want) {
t.Fatalf("error parsing file: mismatch in number of buddyinfo buckets, previous count %q, new count %q", want, got)
}
}
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