mirror of https://github.com/k3s-io/k3s
354 lines
9.1 KiB
Go
354 lines
9.1 KiB
Go
/*
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Copyright 2015 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 helper
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import (
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"reflect"
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"testing"
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"k8s.io/apimachinery/pkg/api/resource"
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"k8s.io/apimachinery/pkg/labels"
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"k8s.io/kubernetes/pkg/apis/core"
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)
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func TestSemantic(t *testing.T) {
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table := []struct {
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a, b interface{}
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shouldEqual bool
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}{
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{resource.MustParse("0"), resource.Quantity{}, true},
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{resource.Quantity{}, resource.MustParse("0"), true},
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{resource.Quantity{}, resource.MustParse("1m"), false},
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{
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resource.NewQuantity(5, resource.BinarySI),
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resource.NewQuantity(5, resource.DecimalSI),
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true,
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},
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{resource.MustParse("2m"), resource.MustParse("1m"), false},
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}
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for index, item := range table {
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if e, a := item.shouldEqual, Semantic.DeepEqual(item.a, item.b); e != a {
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t.Errorf("case[%d], expected %v, got %v.", index, e, a)
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}
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}
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}
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func TestIsStandardResource(t *testing.T) {
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testCases := []struct {
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input string
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output bool
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}{
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{"cpu", true},
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{"memory", true},
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{"disk", false},
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{"blah", false},
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{"x.y.z", false},
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{"hugepages-2Mi", true},
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{"requests.hugepages-2Mi", true},
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}
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for i, tc := range testCases {
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if IsStandardResourceName(tc.input) != tc.output {
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t.Errorf("case[%d], input: %s, expected: %t, got: %t", i, tc.input, tc.output, !tc.output)
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}
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}
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}
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func TestIsStandardContainerResource(t *testing.T) {
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testCases := []struct {
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input string
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output bool
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}{
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{"cpu", true},
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{"memory", true},
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{"disk", false},
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{"hugepages-2Mi", true},
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}
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for i, tc := range testCases {
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if IsStandardContainerResourceName(tc.input) != tc.output {
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t.Errorf("case[%d], input: %s, expected: %t, got: %t", i, tc.input, tc.output, !tc.output)
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}
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}
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}
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func TestAddToNodeAddresses(t *testing.T) {
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testCases := []struct {
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existing []core.NodeAddress
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toAdd []core.NodeAddress
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expected []core.NodeAddress
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}{
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{
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existing: []core.NodeAddress{},
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toAdd: []core.NodeAddress{},
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expected: []core.NodeAddress{},
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},
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{
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existing: []core.NodeAddress{},
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toAdd: []core.NodeAddress{
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{Type: core.NodeExternalIP, Address: "1.1.1.1"},
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{Type: core.NodeHostName, Address: "localhost"},
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},
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expected: []core.NodeAddress{
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{Type: core.NodeExternalIP, Address: "1.1.1.1"},
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{Type: core.NodeHostName, Address: "localhost"},
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},
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},
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{
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existing: []core.NodeAddress{},
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toAdd: []core.NodeAddress{
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{Type: core.NodeExternalIP, Address: "1.1.1.1"},
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{Type: core.NodeExternalIP, Address: "1.1.1.1"},
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},
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expected: []core.NodeAddress{
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{Type: core.NodeExternalIP, Address: "1.1.1.1"},
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},
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},
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{
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existing: []core.NodeAddress{
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{Type: core.NodeExternalIP, Address: "1.1.1.1"},
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{Type: core.NodeInternalIP, Address: "10.1.1.1"},
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},
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toAdd: []core.NodeAddress{
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{Type: core.NodeExternalIP, Address: "1.1.1.1"},
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{Type: core.NodeHostName, Address: "localhost"},
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},
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expected: []core.NodeAddress{
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{Type: core.NodeExternalIP, Address: "1.1.1.1"},
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{Type: core.NodeInternalIP, Address: "10.1.1.1"},
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{Type: core.NodeHostName, Address: "localhost"},
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},
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},
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}
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for i, tc := range testCases {
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AddToNodeAddresses(&tc.existing, tc.toAdd...)
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if !Semantic.DeepEqual(tc.expected, tc.existing) {
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t.Errorf("case[%d], expected: %v, got: %v", i, tc.expected, tc.existing)
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}
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}
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}
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func TestGetAccessModesFromString(t *testing.T) {
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modes := GetAccessModesFromString("ROX")
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if !containsAccessMode(modes, core.ReadOnlyMany) {
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t.Errorf("Expected mode %s, but got %+v", core.ReadOnlyMany, modes)
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}
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modes = GetAccessModesFromString("ROX,RWX")
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if !containsAccessMode(modes, core.ReadOnlyMany) {
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t.Errorf("Expected mode %s, but got %+v", core.ReadOnlyMany, modes)
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}
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if !containsAccessMode(modes, core.ReadWriteMany) {
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t.Errorf("Expected mode %s, but got %+v", core.ReadWriteMany, modes)
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}
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modes = GetAccessModesFromString("RWO,ROX,RWX")
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if !containsAccessMode(modes, core.ReadOnlyMany) {
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t.Errorf("Expected mode %s, but got %+v", core.ReadOnlyMany, modes)
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}
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if !containsAccessMode(modes, core.ReadWriteMany) {
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t.Errorf("Expected mode %s, but got %+v", core.ReadWriteMany, modes)
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}
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}
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func TestRemoveDuplicateAccessModes(t *testing.T) {
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modes := []core.PersistentVolumeAccessMode{
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core.ReadWriteOnce, core.ReadOnlyMany, core.ReadOnlyMany, core.ReadOnlyMany,
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}
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modes = removeDuplicateAccessModes(modes)
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if len(modes) != 2 {
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t.Errorf("Expected 2 distinct modes in set but found %v", len(modes))
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}
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}
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func TestNodeSelectorRequirementsAsSelector(t *testing.T) {
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matchExpressions := []core.NodeSelectorRequirement{{
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Key: "foo",
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Operator: core.NodeSelectorOpIn,
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Values: []string{"bar", "baz"},
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}}
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mustParse := func(s string) labels.Selector {
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out, e := labels.Parse(s)
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if e != nil {
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panic(e)
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}
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return out
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}
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tc := []struct {
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in []core.NodeSelectorRequirement
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out labels.Selector
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expectErr bool
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}{
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{in: nil, out: labels.Nothing()},
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{in: []core.NodeSelectorRequirement{}, out: labels.Nothing()},
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{
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in: matchExpressions,
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out: mustParse("foo in (baz,bar)"),
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},
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{
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in: []core.NodeSelectorRequirement{{
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Key: "foo",
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Operator: core.NodeSelectorOpExists,
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Values: []string{"bar", "baz"},
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}},
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expectErr: true,
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},
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{
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in: []core.NodeSelectorRequirement{{
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Key: "foo",
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Operator: core.NodeSelectorOpGt,
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Values: []string{"1"},
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}},
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out: mustParse("foo>1"),
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},
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{
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in: []core.NodeSelectorRequirement{{
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Key: "bar",
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Operator: core.NodeSelectorOpLt,
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Values: []string{"7"},
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}},
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out: mustParse("bar<7"),
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},
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}
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for i, tc := range tc {
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out, err := NodeSelectorRequirementsAsSelector(tc.in)
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if err == nil && tc.expectErr {
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t.Errorf("[%v]expected error but got none.", i)
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}
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if err != nil && !tc.expectErr {
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t.Errorf("[%v]did not expect error but got: %v", i, err)
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}
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if !reflect.DeepEqual(out, tc.out) {
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t.Errorf("[%v]expected:\n\t%+v\nbut got:\n\t%+v", i, tc.out, out)
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}
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}
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}
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func TestIsHugePageResourceName(t *testing.T) {
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testCases := []struct {
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name core.ResourceName
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result bool
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}{
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{
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name: core.ResourceName("hugepages-2Mi"),
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result: true,
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},
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{
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name: core.ResourceName("hugepages-1Gi"),
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result: true,
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},
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{
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name: core.ResourceName("cpu"),
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result: false,
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},
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{
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name: core.ResourceName("memory"),
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result: false,
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},
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}
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for _, testCase := range testCases {
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if testCase.result != IsHugePageResourceName(testCase.name) {
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t.Errorf("resource: %v expected result: %v", testCase.name, testCase.result)
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}
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}
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}
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func TestHugePageResourceName(t *testing.T) {
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testCases := []struct {
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pageSize resource.Quantity
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name core.ResourceName
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}{
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{
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pageSize: resource.MustParse("2Mi"),
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name: core.ResourceName("hugepages-2Mi"),
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},
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{
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pageSize: resource.MustParse("1Gi"),
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name: core.ResourceName("hugepages-1Gi"),
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},
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{
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// verify we do not regress our canonical representation
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pageSize: *resource.NewQuantity(int64(2097152), resource.BinarySI),
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name: core.ResourceName("hugepages-2Mi"),
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},
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}
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for _, testCase := range testCases {
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if result := HugePageResourceName(testCase.pageSize); result != testCase.name {
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t.Errorf("pageSize: %v, expected: %v, but got: %v", testCase.pageSize.String(), testCase.name, result.String())
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}
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}
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}
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func TestHugePageSizeFromResourceName(t *testing.T) {
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testCases := []struct {
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name core.ResourceName
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expectErr bool
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pageSize resource.Quantity
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}{
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{
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name: core.ResourceName("hugepages-2Mi"),
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pageSize: resource.MustParse("2Mi"),
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expectErr: false,
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},
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{
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name: core.ResourceName("hugepages-1Gi"),
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pageSize: resource.MustParse("1Gi"),
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expectErr: false,
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},
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{
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name: core.ResourceName("hugepages-bad"),
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expectErr: true,
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},
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}
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for _, testCase := range testCases {
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value, err := HugePageSizeFromResourceName(testCase.name)
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if testCase.expectErr && err == nil {
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t.Errorf("Expected an error for %v", testCase.name)
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} else if !testCase.expectErr && err != nil {
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t.Errorf("Unexpected error for %v, got %v", testCase.name, err)
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} else if testCase.pageSize.Value() != value.Value() {
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t.Errorf("Unexpected pageSize for resource %v got %v", testCase.name, value.String())
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}
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}
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}
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func TestIsOvercommitAllowed(t *testing.T) {
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testCases := []struct {
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name core.ResourceName
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allowed bool
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}{
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{
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name: core.ResourceCPU,
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allowed: true,
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},
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{
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name: core.ResourceMemory,
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allowed: true,
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},
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{
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name: HugePageResourceName(resource.MustParse("2Mi")),
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allowed: false,
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},
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}
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for _, testCase := range testCases {
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if testCase.allowed != IsOvercommitAllowed(testCase.name) {
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t.Errorf("Unexpected result for %v", testCase.name)
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}
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}
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}
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