mirror of
https://github.com/kubernetes-sigs/node-feature-discovery.git
synced 2025-03-17 22:08:33 +00:00
116 lines
2.9 KiB
Go
116 lines
2.9 KiB
Go
/*
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Copyright 2021 The Kubernetes Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package memory
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import (
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"testing"
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. "github.com/smartystreets/goconvey/convey"
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"github.com/stretchr/testify/assert"
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"sigs.k8s.io/node-feature-discovery/pkg/utils/hostpath"
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)
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func TestMemorySource(t *testing.T) {
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assert.Equal(t, src.Name(), Name)
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// Check that GetLabels works with empty features
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src.features = nil
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l, err := src.GetLabels()
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assert.Nil(t, err, err)
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assert.Empty(t, l)
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}
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func TestGetNumberofLinesFromFile(t *testing.T) {
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type testCase struct {
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path string
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expectedLines int
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expectErr bool
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}
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tc := []testCase{
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{
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path: "testdata/swap",
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expectedLines: 2,
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},
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{
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path: "testdata/noswap",
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expectedLines: 1,
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},
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{
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path: "file_not_exist",
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expectErr: true,
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},
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}
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for _, tc := range tc {
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actual, err := getNumberOfNonEmptyLinesFromFile(tc.path)
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if tc.expectErr {
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assert.NotNil(t, err, "should get an error")
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}
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assert.Equal(t, tc.expectedLines, actual, "lines should match")
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}
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}
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func TestDetectHugePages(t *testing.T) {
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Convey("With configured 1Gi huge pages size", t, func() {
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hostpath.SysfsDir = "testdata/hugepages"
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expectedHugePages := map[string]string{
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"enabled": "true",
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"hugepages-1Gi": "2",
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"hugepages-2Mi": "0",
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}
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hugePages, err := detectHugePages()
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assert.Nil(t, err)
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assert.Equal(t, hugePages, expectedHugePages)
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})
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Convey("With invalid directory structure", t, func() {
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hostpath.SysfsDir = "invalid-dir"
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expectedHugePages := map[string]string{
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"enabled": "false",
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}
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hugePages, err := detectHugePages()
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assert.Nil(t, err)
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assert.Equal(t, hugePages, expectedHugePages)
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})
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}
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func TestGetHugePagesTotalCount(t *testing.T) {
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Convey("With configured total huge pages", t, func() {
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totalPages, err := getHugePagesTotalCount("testdata/hugepages/kernel/mm/hugepages", "hugepages-1048576kB")
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assert.Equal(t, "2", totalPages)
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assert.Nil(t, err)
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})
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Convey("With not configured total huge pages", t, func() {
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totalPages, err := getHugePagesTotalCount("testdata/hugepages/kernel/mm/hugepages", "hugepages-2048kB")
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assert.Equal(t, "0", totalPages)
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assert.Nil(t, err)
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})
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Convey("With invalid huge page directory", t, func() {
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totalPages, err := getHugePagesTotalCount("testdata/hugepages/kernel/mm/hugepages", "hugepages-invalid")
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assert.Equal(t, "", totalPages)
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assert.NotNil(t, err)
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})
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}
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