/* Copyright 2015 The Kubernetes 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 helper import ( "testing" "k8s.io/apimachinery/pkg/api/resource" "k8s.io/kubernetes/pkg/apis/core" ) func TestSemantic(t *testing.T) { table := []struct { a, b interface{} shouldEqual bool }{ {resource.MustParse("0"), resource.Quantity{}, true}, {resource.Quantity{}, resource.MustParse("0"), true}, {resource.Quantity{}, resource.MustParse("1m"), false}, { resource.NewQuantity(5, resource.BinarySI), resource.NewQuantity(5, resource.DecimalSI), true, }, {resource.MustParse("2m"), resource.MustParse("1m"), false}, } for index, item := range table { if e, a := item.shouldEqual, Semantic.DeepEqual(item.a, item.b); e != a { t.Errorf("case[%d], expected %v, got %v.", index, e, a) } } } func TestIsStandardResource(t *testing.T) { testCases := []struct { input string output bool }{ {"cpu", true}, {"memory", true}, {"disk", false}, {"blah", false}, {"x.y.z", false}, {"hugepages-2Mi", true}, {"requests.hugepages-2Mi", true}, } for i, tc := range testCases { if IsStandardResourceName(core.ResourceName(tc.input)) != tc.output { t.Errorf("case[%d], input: %s, expected: %t, got: %t", i, tc.input, tc.output, !tc.output) } } } func TestIsStandardContainerResource(t *testing.T) { testCases := []struct { input string output bool }{ {"cpu", true}, {"memory", true}, {"disk", false}, {"hugepages-2Mi", true}, } for i, tc := range testCases { if IsStandardContainerResourceName(core.ResourceName(tc.input)) != tc.output { t.Errorf("case[%d], input: %s, expected: %t, got: %t", i, tc.input, tc.output, !tc.output) } } } func TestGetAccessModesFromString(t *testing.T) { modes := GetAccessModesFromString("ROX") if !ContainsAccessMode(modes, core.ReadOnlyMany) { t.Errorf("Expected mode %s, but got %+v", core.ReadOnlyMany, modes) } modes = GetAccessModesFromString("ROX,RWX") if !ContainsAccessMode(modes, core.ReadOnlyMany) { t.Errorf("Expected mode %s, but got %+v", core.ReadOnlyMany, modes) } if !ContainsAccessMode(modes, core.ReadWriteMany) { t.Errorf("Expected mode %s, but got %+v", core.ReadWriteMany, modes) } modes = GetAccessModesFromString("RWO,ROX,RWX") if !ContainsAccessMode(modes, core.ReadWriteOnce) { t.Errorf("Expected mode %s, but got %+v", core.ReadWriteOnce, modes) } if !ContainsAccessMode(modes, core.ReadOnlyMany) { t.Errorf("Expected mode %s, but got %+v", core.ReadOnlyMany, modes) } if !ContainsAccessMode(modes, core.ReadWriteMany) { t.Errorf("Expected mode %s, but got %+v", core.ReadWriteMany, modes) } modes = GetAccessModesFromString("RWO,ROX,RWX,RWOP") if !ContainsAccessMode(modes, core.ReadWriteOnce) { t.Errorf("Expected mode %s, but got %+v", core.ReadWriteOnce, modes) } if !ContainsAccessMode(modes, core.ReadOnlyMany) { t.Errorf("Expected mode %s, but got %+v", core.ReadOnlyMany, modes) } if !ContainsAccessMode(modes, core.ReadWriteMany) { t.Errorf("Expected mode %s, but got %+v", core.ReadWriteMany, modes) } if !ContainsAccessMode(modes, core.ReadWriteOncePod) { t.Errorf("Expected mode %s, but got %+v", core.ReadWriteOncePod, modes) } } func TestRemoveDuplicateAccessModes(t *testing.T) { modes := []core.PersistentVolumeAccessMode{ core.ReadWriteOnce, core.ReadOnlyMany, core.ReadOnlyMany, core.ReadOnlyMany, } modes = removeDuplicateAccessModes(modes) if len(modes) != 2 { t.Errorf("Expected 2 distinct modes in set but found %v", len(modes)) } } func TestIsHugePageResourceName(t *testing.T) { testCases := []struct { name core.ResourceName result bool }{ { name: core.ResourceName("hugepages-2Mi"), result: true, }, { name: core.ResourceName("hugepages-1Gi"), result: true, }, { name: core.ResourceName("cpu"), result: false, }, { name: core.ResourceName("memory"), result: false, }, } for _, testCase := range testCases { if testCase.result != IsHugePageResourceName(testCase.name) { t.Errorf("resource: %v expected result: %v", testCase.name, testCase.result) } } } func TestIsHugePageResourceValueDivisible(t *testing.T) { testCases := []struct { name core.ResourceName quantity resource.Quantity result bool }{ { name: core.ResourceName("hugepages-2Mi"), quantity: resource.MustParse("4Mi"), result: true, }, { name: core.ResourceName("hugepages-2Mi"), quantity: resource.MustParse("5Mi"), result: false, }, { name: core.ResourceName("hugepages-1Gi"), quantity: resource.MustParse("2Gi"), result: true, }, { name: core.ResourceName("hugepages-1Gi"), quantity: resource.MustParse("2.1Gi"), result: false, }, { name: core.ResourceName("hugepages-1Mi"), quantity: resource.MustParse("2.1Mi"), result: false, }, { name: core.ResourceName("hugepages-64Ki"), quantity: resource.MustParse("128Ki"), result: true, }, { name: core.ResourceName("hugepages-"), quantity: resource.MustParse("128Ki"), result: false, }, { name: core.ResourceName("hugepages"), quantity: resource.MustParse("128Ki"), result: false, }, } for _, testCase := range testCases { if testCase.result != IsHugePageResourceValueDivisible(testCase.name, testCase.quantity) { t.Errorf("resource: %v storage:%v expected result: %v", testCase.name, testCase.quantity, testCase.result) } } } func TestHugePageResourceName(t *testing.T) { testCases := []struct { pageSize resource.Quantity name core.ResourceName }{ { pageSize: resource.MustParse("2Mi"), name: core.ResourceName("hugepages-2Mi"), }, { pageSize: resource.MustParse("1Gi"), name: core.ResourceName("hugepages-1Gi"), }, { // verify we do not regress our canonical representation pageSize: *resource.NewQuantity(int64(2097152), resource.BinarySI), name: core.ResourceName("hugepages-2Mi"), }, } for _, testCase := range testCases { if result := HugePageResourceName(testCase.pageSize); result != testCase.name { t.Errorf("pageSize: %v, expected: %v, but got: %v", testCase.pageSize.String(), testCase.name, result.String()) } } } func TestHugePageSizeFromResourceName(t *testing.T) { testCases := []struct { name core.ResourceName expectErr bool pageSize resource.Quantity }{ { name: core.ResourceName("hugepages-2Mi"), pageSize: resource.MustParse("2Mi"), expectErr: false, }, { name: core.ResourceName("hugepages-1Gi"), pageSize: resource.MustParse("1Gi"), expectErr: false, }, { name: core.ResourceName("hugepages-bad"), expectErr: true, }, } for _, testCase := range testCases { value, err := HugePageSizeFromResourceName(testCase.name) if testCase.expectErr && err == nil { t.Errorf("Expected an error for %v", testCase.name) } else if !testCase.expectErr && err != nil { t.Errorf("Unexpected error for %v, got %v", testCase.name, err) } else if testCase.pageSize.Value() != value.Value() { t.Errorf("Unexpected pageSize for resource %v got %v", testCase.name, value.String()) } } } func TestIsOvercommitAllowed(t *testing.T) { testCases := []struct { name core.ResourceName allowed bool }{ { name: core.ResourceCPU, allowed: true, }, { name: core.ResourceMemory, allowed: true, }, { name: HugePageResourceName(resource.MustParse("2Mi")), allowed: false, }, } for _, testCase := range testCases { if testCase.allowed != IsOvercommitAllowed(testCase.name) { t.Errorf("Unexpected result for %v", testCase.name) } } } func TestIsServiceIPSet(t *testing.T) { testCases := []struct { input core.ServiceSpec output bool name string }{ { name: "nil cluster ip", input: core.ServiceSpec{ ClusterIPs: nil, }, output: false, }, { name: "headless service", input: core.ServiceSpec{ ClusterIP: "None", ClusterIPs: []string{"None"}, }, output: false, }, // true cases { name: "one ipv4", input: core.ServiceSpec{ ClusterIP: "1.2.3.4", ClusterIPs: []string{"1.2.3.4"}, }, output: true, }, { name: "one ipv6", input: core.ServiceSpec{ ClusterIP: "2001::1", ClusterIPs: []string{"2001::1"}, }, output: true, }, { name: "v4, v6", input: core.ServiceSpec{ ClusterIP: "1.2.3.4", ClusterIPs: []string{"1.2.3.4", "2001::1"}, }, output: true, }, { name: "v6, v4", input: core.ServiceSpec{ ClusterIP: "2001::1", ClusterIPs: []string{"2001::1", "1.2.3.4"}, }, output: true, }, } for _, tc := range testCases { t.Run(tc.name, func(t *testing.T) { s := core.Service{ Spec: tc.input, } if IsServiceIPSet(&s) != tc.output { t.Errorf("case, input: %v, expected: %v, got: %v", tc.input, tc.output, !tc.output) } }) } }