c5a9232a94
* Move sysfs related functions needed to get nodes' information and tests into utils/sysfs * Add tests for sysfs related functions Signed-off-by: Katarzyna Kujawa <katarzyna.kujawa@intel.com>
125 lines
3.6 KiB
Go
125 lines
3.6 KiB
Go
// Copyright 2020 Google Inc. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package sysfs
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import (
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"github.com/stretchr/testify/assert"
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"os"
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"strconv"
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"testing"
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)
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func TestGetNodes(t *testing.T) {
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//overwrite global variable
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nodeDir = "./testdata/"
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sysFs := NewRealSysFs()
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nodesDirs, err := sysFs.GetNodesPaths()
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assert.Nil(t, err)
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assert.Equal(t, 2, len(nodesDirs))
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assert.Contains(t, nodesDirs, "testdata/node0")
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assert.Contains(t, nodesDirs, "testdata/node1")
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}
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func TestGetNodesWithNonExistingDir(t *testing.T) {
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//overwrite global variable
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nodeDir = "./testdata/NonExistingDir/"
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sysFs := NewRealSysFs()
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nodesDirs, err := sysFs.GetNodesPaths()
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assert.Nil(t, err)
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assert.Equal(t, 0, len(nodesDirs))
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}
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func TestGetCPUsPaths(t *testing.T) {
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sysFs := NewRealSysFs()
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cpuDirs, err := sysFs.GetCPUsPaths("./testdata/node0")
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assert.Nil(t, err)
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assert.Equal(t, 2, len(cpuDirs))
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assert.Contains(t, cpuDirs, "testdata/node0/cpu0")
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assert.Contains(t, cpuDirs, "testdata/node0/cpu1")
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}
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func TestGetCPUsPathsFromNodeWithoutCPU(t *testing.T) {
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sysFs := NewRealSysFs()
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cpuDirs, err := sysFs.GetCPUsPaths("./testdata/node1")
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assert.Nil(t, err)
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assert.Equal(t, 0, len(cpuDirs))
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}
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func TestGetCoreID(t *testing.T) {
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sysFs := NewRealSysFs()
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rawCoreID, err := sysFs.GetCoreID("./testdata/node0/cpu0")
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assert.Nil(t, err)
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coreID, err := strconv.Atoi(rawCoreID)
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assert.Nil(t, err)
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assert.Equal(t, 0, coreID)
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}
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func TestGetCoreIDWhenFileIsMissing(t *testing.T) {
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sysFs := NewRealSysFs()
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rawCoreID, err := sysFs.GetCoreID("./testdata/node0/cpu1")
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assert.NotNil(t, err)
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assert.Equal(t, "", rawCoreID)
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}
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func TestGetMemInfo(t *testing.T) {
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sysFs := NewRealSysFs()
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memInfo, err := sysFs.GetMemInfo("./testdata/node0")
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assert.Nil(t, err)
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assert.Equal(t, "Node 0 MemTotal: 32817192 kB", memInfo)
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}
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func TestGetMemInfoWhenFileIsMissing(t *testing.T) {
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sysFs := NewRealSysFs()
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memInfo, err := sysFs.GetMemInfo("./testdata/node1")
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assert.NotNil(t, err)
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assert.Equal(t, "", memInfo)
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}
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func TestGetHugePagesInfo(t *testing.T) {
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sysFs := NewRealSysFs()
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hugePages, err := sysFs.GetHugePagesInfo("./testdata/node0/hugepages")
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assert.Nil(t, err)
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assert.Equal(t, 2, len(hugePages))
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assert.Equal(t, "hugepages-1048576kB", hugePages[0].Name())
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assert.Equal(t, "hugepages-2048kB", hugePages[1].Name())
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}
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func TestGetHugePagesInfoWhenDirIsMissing(t *testing.T) {
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sysFs := NewRealSysFs()
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hugePages, err := sysFs.GetHugePagesInfo("./testdata/node1/hugepages")
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assert.NotNil(t, err)
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assert.Equal(t, []os.FileInfo([]os.FileInfo(nil)), hugePages)
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}
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func TestGetHugePagesNr(t *testing.T) {
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sysFs := NewRealSysFs()
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rawHugePageNr, err := sysFs.GetHugePagesNr("./testdata/node0/hugepages/", "hugepages-1048576kB")
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assert.Nil(t, err)
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hugePageNr, err := strconv.Atoi(rawHugePageNr)
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assert.Nil(t, err)
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assert.Equal(t, 1, hugePageNr)
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}
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func TestGetHugePagesNrWhenFileIsMissing(t *testing.T) {
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sysFs := NewRealSysFs()
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rawHugePageNr, err := sysFs.GetHugePagesNr("./testdata/node1/hugepages/", "hugepages-1048576kB")
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assert.NotNil(t, err)
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assert.Equal(t, "", rawHugePageNr)
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}
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