| // 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) |
| } |
| } |