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// Copyright
2024 Google Inc. All rights reserved.
//
// 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 metrics
// This file contain code to extract host information on linux from
// /proc/cpuinfo and /proc/meminfo relevant to machine performance
import (
"reflect"
"testing"
"android/soong/finder/fs"
)
func TestNewCpuInfo(t *testing.T) {
fs := fs.NewMockFs(nil)
if err := fs.MkDirs("/proc"); err != nil {
t.Fatalf("failed to create /proc dir: %v", err)
}
cpuFileName := "/proc/cpuinfo"
if err := fs.WriteFile(cpuFileName, cpuData,
0644); err != nil {
t.Fatalf("failed to write file %s: %v", cpuFileName, err)
}
cpuInfo, err := NewCpuInfo(fs)
if err != nil {
t.Fatalf("got %v, want nil for error", err)
}
if !reflect.DeepEqual(cpuInfo, expectedCpuInfo) {
t.Errorf("got %v, expecting %v for CpuInfo", cpuInfo, expectedCpuInfo)
}
}
func TestNewMemInfo(t *testing.T) {
fs := fs.NewMockFs(nil)
if err := fs.MkDirs("/proc"); err != nil {
t.Fatalf("failed to create /proc dir: %v", err)
}
memFileName := "/proc/meminfo"
if err := fs.WriteFile(memFileName, memData,
0644); err != nil {
t.Fatalf("failed to write file %s: %v", memFileName, err)
}
memInfo, err := NewMemInfo(fs)
if err != nil {
t.Fatalf("got %v, want nil for error", err)
}
if !reflect.DeepEqual(memInfo, expectedMemInfo) {
t.Errorf("got %v, expecting %v for MemInfo", memInfo, expectedMemInfo)
}
}
var cpuData = []byte(`processor :
0
vendor_id : %%VENDOR%%
cpu family :
123
model :
456
model name : %%CPU MODEL NAME%%
stepping :
0
cpu MHz :
5555.
555
cache size :
512 KB
physical id :
0
siblings :
128
core id :
0
cpu cores :
64
apicid :
0
initial apicid :
0
fpu : yes
fpu_exception : yes
cpuid level :
789
wp : yes
flags : %%cpu flags go here%%
bugs : %%bugs go here%%
processor :
1
vendor_id : %%BADVENDOR%%
cpu family :
234
model :
567
model name : %%BAD MODEL NAME%%
flags : %%BAD cpu flags go here%%
`)
var expectedCpuInfo = &CpuInfo{
VendorId: "%%VENDOR%%",
ModelName: "%%CPU MODEL NAME%%",
CpuCores:
64,
Flags: "%%cpu flags go here%%",
}
var memData = []byte(`MemTotal:
1000 mB
MemFree:
10240000
MemAvailable:
3000 kB
Buffers:
7177844 kB
`)
var expectedMemInfo = &MemInfo{
MemTotal:
1048576000,
MemFree:
10240000,
MemAvailable:
3072000,
}