/* Copyright 2014 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 kubectl import ( "bytes" "encoding/json" "fmt" "io" "reflect" "strings" "testing" "time" metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" "k8s.io/apimachinery/pkg/runtime" "k8s.io/apimachinery/pkg/runtime/schema" yamlserializer "k8s.io/apimachinery/pkg/runtime/serializer/yaml" "k8s.io/apimachinery/pkg/util/diff" "k8s.io/apimachinery/pkg/util/sets" "k8s.io/kubernetes/pkg/api" "k8s.io/kubernetes/pkg/api/testapi" "k8s.io/kubernetes/pkg/api/v1" "k8s.io/kubernetes/pkg/apis/batch" "k8s.io/kubernetes/pkg/apis/extensions" "k8s.io/kubernetes/pkg/apis/policy" kubectltesting "k8s.io/kubernetes/pkg/kubectl/testing" "k8s.io/kubernetes/pkg/util/intstr" "github.com/ghodss/yaml" ) func init() { api.Scheme.AddKnownTypes(testapi.Default.InternalGroupVersion(), &kubectltesting.TestStruct{}) api.Scheme.AddKnownTypes(api.Registry.GroupOrDie(api.GroupName).GroupVersion, &kubectltesting.TestStruct{}) } var testData = kubectltesting.TestStruct{ Key: "testValue", Map: map[string]int{"TestSubkey": 1}, StringList: []string{"a", "b", "c"}, IntList: []int{1, 2, 3}, } func TestVersionedPrinter(t *testing.T) { original := &kubectltesting.TestStruct{Key: "value"} p := NewVersionedPrinter( ResourcePrinterFunc(func(obj runtime.Object, w io.Writer) error { if obj == original { t.Fatalf("object should not be identical: %#v", obj) } if obj.(*kubectltesting.TestStruct).Key != "value" { t.Fatalf("object was not converted: %#v", obj) } return nil }), api.Scheme, api.Registry.GroupOrDie(api.GroupName).GroupVersion, ) if err := p.PrintObj(original, nil); err != nil { t.Errorf("unexpected error: %v", err) } } func TestPrintDefault(t *testing.T) { printer, found, err := GetPrinter("", "", false, false) if err != nil { t.Fatalf("unexpected error: %#v", err) } if found { t.Errorf("no printer should have been found: %#v / %v", printer, err) } } type TestPrintType struct { Data string } func (obj *TestPrintType) GetObjectKind() schema.ObjectKind { return schema.EmptyObjectKind } type TestUnknownType struct{} func (obj *TestUnknownType) GetObjectKind() schema.ObjectKind { return schema.EmptyObjectKind } func TestPrinter(t *testing.T) { //test inputs simpleTest := &TestPrintType{"foo"} podTest := &api.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}} podListTest := &api.PodList{ Items: []api.Pod{ {ObjectMeta: metav1.ObjectMeta{Name: "foo"}}, {ObjectMeta: metav1.ObjectMeta{Name: "bar"}}, }, } emptyListTest := &api.PodList{} testapi, err := api.Scheme.ConvertToVersion(podTest, api.Registry.GroupOrDie(api.GroupName).GroupVersion) if err != nil { t.Fatalf("unexpected error: %v", err) } printerTests := []struct { Name string Format string FormatArgument string Input runtime.Object OutputVersions []schema.GroupVersion Expect string }{ {"test json", "json", "", simpleTest, nil, "{\n \"Data\": \"foo\"\n}\n"}, {"test yaml", "yaml", "", simpleTest, nil, "Data: foo\n"}, {"test template", "template", "{{if .id}}{{.id}}{{end}}{{if .metadata.name}}{{.metadata.name}}{{end}}", podTest, []schema.GroupVersion{v1.SchemeGroupVersion}, "foo"}, {"test jsonpath", "jsonpath", "{.metadata.name}", podTest, []schema.GroupVersion{v1.SchemeGroupVersion}, "foo"}, {"test jsonpath list", "jsonpath", "{.items[*].metadata.name}", podListTest, []schema.GroupVersion{v1.SchemeGroupVersion}, "foo bar"}, {"test jsonpath empty list", "jsonpath", "{.items[*].metadata.name}", emptyListTest, []schema.GroupVersion{v1.SchemeGroupVersion}, ""}, {"test name", "name", "", podTest, []schema.GroupVersion{v1.SchemeGroupVersion}, "pod/foo\n"}, {"emits versioned objects", "template", "{{.kind}}", testapi, []schema.GroupVersion{v1.SchemeGroupVersion}, "Pod"}, } for _, test := range printerTests { buf := bytes.NewBuffer([]byte{}) printer, generic, err := GetPrinter(test.Format, test.FormatArgument, false, true) if err != nil { t.Errorf("in %s, unexpected error: %#v", test.Name, err) } if generic && len(test.OutputVersions) > 0 { printer = NewVersionedPrinter(printer, api.Scheme, test.OutputVersions...) } if err := printer.PrintObj(test.Input, buf); err != nil { t.Errorf("in %s, unexpected error: %#v", test.Name, err) } if buf.String() != test.Expect { t.Errorf("in %s, expect %q, got %q", test.Name, test.Expect, buf.String()) } } } func TestBadPrinter(t *testing.T) { badPrinterTests := []struct { Name string Format string FormatArgument string Error error }{ {"empty template", "template", "", fmt.Errorf("template format specified but no template given")}, {"bad template", "template", "{{ .Name", fmt.Errorf("error parsing template {{ .Name, template: output:1: unclosed action\n")}, {"bad templatefile", "templatefile", "", fmt.Errorf("templatefile format specified but no template file given")}, {"bad jsonpath", "jsonpath", "{.Name", fmt.Errorf("error parsing jsonpath {.Name, unclosed action\n")}, } for _, test := range badPrinterTests { _, _, err := GetPrinter(test.Format, test.FormatArgument, false, false) if err == nil || err.Error() != test.Error.Error() { t.Errorf("in %s, expect %s, got %s", test.Name, test.Error, err) } } } func testPrinter(t *testing.T, printer ResourcePrinter, unmarshalFunc func(data []byte, v interface{}) error) { buf := bytes.NewBuffer([]byte{}) err := printer.PrintObj(&testData, buf) if err != nil { t.Fatal(err) } var poutput kubectltesting.TestStruct // Verify that given function runs without error. err = unmarshalFunc(buf.Bytes(), &poutput) if err != nil { t.Fatal(err) } // Use real decode function to undo the versioning process. poutput = kubectltesting.TestStruct{} s := yamlserializer.NewDecodingSerializer(testapi.Default.Codec()) if err := runtime.DecodeInto(s, buf.Bytes(), &poutput); err != nil { t.Fatal(err) } if !reflect.DeepEqual(testData, poutput) { t.Errorf("Test data and unmarshaled data are not equal: %v", diff.ObjectDiff(poutput, testData)) } obj := &api.Pod{ ObjectMeta: metav1.ObjectMeta{Name: "foo"}, } buf.Reset() printer.PrintObj(obj, buf) var objOut api.Pod // Verify that given function runs without error. err = unmarshalFunc(buf.Bytes(), &objOut) if err != nil { t.Fatalf("unexpected error: %#v", err) } // Use real decode function to undo the versioning process. objOut = api.Pod{} if err := runtime.DecodeInto(s, buf.Bytes(), &objOut); err != nil { t.Fatal(err) } if !reflect.DeepEqual(obj, &objOut) { t.Errorf("Unexpected inequality:\n%v", diff.ObjectDiff(obj, &objOut)) } } func TestYAMLPrinter(t *testing.T) { testPrinter(t, &YAMLPrinter{}, yaml.Unmarshal) } func TestJSONPrinter(t *testing.T) { testPrinter(t, &JSONPrinter{}, json.Unmarshal) } func TestFormatResourceName(t *testing.T) { tests := []struct { kind, name string want string }{ {"", "", ""}, {"", "name", "name"}, {"kind", "", "kind/"}, // should not happen in practice {"kind", "name", "kind/name"}, } for _, tt := range tests { if got := formatResourceName(tt.kind, tt.name, true); got != tt.want { t.Errorf("formatResourceName(%q, %q) = %q, want %q", tt.kind, tt.name, got, tt.want) } } } func PrintCustomType(obj *TestPrintType, w io.Writer, options PrintOptions) error { data := obj.Data kind := options.Kind if options.WithKind { data = kind + "/" + data } _, err := fmt.Fprintf(w, "%s", data) return err } func ErrorPrintHandler(obj *TestPrintType, w io.Writer, options PrintOptions) error { return fmt.Errorf("ErrorPrintHandler error") } func TestCustomTypePrinting(t *testing.T) { columns := []string{"Data"} printer := NewHumanReadablePrinter(PrintOptions{}) printer.Handler(columns, nil, PrintCustomType) obj := TestPrintType{"test object"} buffer := &bytes.Buffer{} err := printer.PrintObj(&obj, buffer) if err != nil { t.Fatalf("An error occurred printing the custom type: %#v", err) } expectedOutput := "Data\ntest object" if buffer.String() != expectedOutput { t.Errorf("The data was not printed as expected. Expected:\n%s\nGot:\n%s", expectedOutput, buffer.String()) } } func TestCustomTypePrintingWithKind(t *testing.T) { columns := []string{"Data"} printer := NewHumanReadablePrinter(PrintOptions{}) printer.Handler(columns, nil, PrintCustomType) printer.EnsurePrintWithKind("test") obj := TestPrintType{"test object"} buffer := &bytes.Buffer{} err := printer.PrintObj(&obj, buffer) if err != nil { t.Fatalf("An error occurred printing the custom type: %#v", err) } expectedOutput := "Data\ntest/test object" if buffer.String() != expectedOutput { t.Errorf("The data was not printed as expected. Expected:\n%s\nGot:\n%s", expectedOutput, buffer.String()) } } func TestPrintHandlerError(t *testing.T) { columns := []string{"Data"} printer := NewHumanReadablePrinter(PrintOptions{}) printer.Handler(columns, nil, ErrorPrintHandler) obj := TestPrintType{"test object"} buffer := &bytes.Buffer{} err := printer.PrintObj(&obj, buffer) if err == nil || err.Error() != "ErrorPrintHandler error" { t.Errorf("Did not get the expected error: %#v", err) } } func TestUnknownTypePrinting(t *testing.T) { printer := NewHumanReadablePrinter(PrintOptions{}) buffer := &bytes.Buffer{} err := printer.PrintObj(&TestUnknownType{}, buffer) if err == nil { t.Errorf("An error was expected from printing unknown type") } } func TestTemplatePanic(t *testing.T) { tmpl := `{{and ((index .currentState.info "foo").state.running.startedAt) .currentState.info.net.state.running.startedAt}}` printer, err := NewTemplatePrinter([]byte(tmpl)) if err != nil { t.Fatalf("tmpl fail: %v", err) } buffer := &bytes.Buffer{} err = printer.PrintObj(&api.Pod{}, buffer) if err == nil { t.Fatalf("expected that template to crash") } if buffer.String() == "" { t.Errorf("no debugging info was printed") } } func TestNamePrinter(t *testing.T) { tests := map[string]struct { obj runtime.Object expect string }{ "singleObject": { &api.Pod{ TypeMeta: metav1.TypeMeta{ Kind: "Pod", }, ObjectMeta: metav1.ObjectMeta{ Name: "foo", }, }, "pod/foo\n"}, "List": { &v1.List{ TypeMeta: metav1.TypeMeta{ Kind: "List", }, Items: []runtime.RawExtension{ { Raw: []byte(`{"kind": "Pod", "apiVersion": "v1", "metadata": { "name": "foo"}}`), }, { Raw: []byte(`{"kind": "Pod", "apiVersion": "v1", "metadata": { "name": "bar"}}`), }, }, }, "pod/foo\npod/bar\n"}, } printer, _, _ := GetPrinter("name", "", false, false) for name, item := range tests { buff := &bytes.Buffer{} err := printer.PrintObj(item.obj, buff) if err != nil { t.Errorf("%v: unexpected err: %v", name, err) continue } got := buff.String() if item.expect != got { t.Errorf("%v: expected %v, got %v", name, item.expect, got) } } } func TestTemplateStrings(t *testing.T) { // This unit tests the "exists" function as well as the template from update.sh table := map[string]struct { pod api.Pod expect string }{ "nilInfo": {api.Pod{}, "false"}, "emptyInfo": {api.Pod{Status: api.PodStatus{ContainerStatuses: []api.ContainerStatus{}}}, "false"}, "fooExists": { api.Pod{ Status: api.PodStatus{ ContainerStatuses: []api.ContainerStatus{ { Name: "foo", }, }, }, }, "false", }, "barExists": { api.Pod{ Status: api.PodStatus{ ContainerStatuses: []api.ContainerStatus{ { Name: "bar", }, }, }, }, "false", }, "bothExist": { api.Pod{ Status: api.PodStatus{ ContainerStatuses: []api.ContainerStatus{ { Name: "foo", }, { Name: "bar", }, }, }, }, "false", }, "barValid": { api.Pod{ Status: api.PodStatus{ ContainerStatuses: []api.ContainerStatus{ { Name: "foo", }, { Name: "bar", State: api.ContainerState{ Running: &api.ContainerStateRunning{ StartedAt: metav1.Time{}, }, }, }, }, }, }, "false", }, "bothValid": { api.Pod{ Status: api.PodStatus{ ContainerStatuses: []api.ContainerStatus{ { Name: "foo", State: api.ContainerState{ Running: &api.ContainerStateRunning{ StartedAt: metav1.Time{}, }, }, }, { Name: "bar", State: api.ContainerState{ Running: &api.ContainerStateRunning{ StartedAt: metav1.Time{}, }, }, }, }, }, }, "true", }, } // The point of this test is to verify that the below template works. tmpl := `{{if (exists . "status" "containerStatuses")}}{{range .status.containerStatuses}}{{if (and (eq .name "foo") (exists . "state" "running"))}}true{{end}}{{end}}{{end}}` p, err := NewTemplatePrinter([]byte(tmpl)) if err != nil { t.Fatalf("tmpl fail: %v", err) } printer := NewVersionedPrinter(p, api.Scheme, api.Registry.GroupOrDie(api.GroupName).GroupVersion) for name, item := range table { buffer := &bytes.Buffer{} err = printer.PrintObj(&item.pod, buffer) if err != nil { t.Errorf("%v: unexpected err: %v", name, err) continue } actual := buffer.String() if len(actual) == 0 { actual = "false" } if e := item.expect; e != actual { t.Errorf("%v: expected %v, got %v", name, e, actual) } } } func TestPrinters(t *testing.T) { om := func(name string) metav1.ObjectMeta { return metav1.ObjectMeta{Name: name} } var ( err error templatePrinter ResourcePrinter templatePrinter2 ResourcePrinter jsonpathPrinter ResourcePrinter ) templatePrinter, err = NewTemplatePrinter([]byte("{{.name}}")) if err != nil { t.Fatal(err) } templatePrinter = NewVersionedPrinter(templatePrinter, api.Scheme, v1.SchemeGroupVersion) templatePrinter2, err = NewTemplatePrinter([]byte("{{len .items}}")) if err != nil { t.Fatal(err) } templatePrinter2 = NewVersionedPrinter(templatePrinter2, api.Scheme, v1.SchemeGroupVersion) jsonpathPrinter, err = NewJSONPathPrinter("{.metadata.name}") if err != nil { t.Fatal(err) } jsonpathPrinter = NewVersionedPrinter(jsonpathPrinter, api.Scheme, v1.SchemeGroupVersion) printers := map[string]ResourcePrinter{ "humanReadable": NewHumanReadablePrinter(PrintOptions{ NoHeaders: true, }), "humanReadableHeaders": NewHumanReadablePrinter(PrintOptions{}), "json": &JSONPrinter{}, "yaml": &YAMLPrinter{}, "template": templatePrinter, "template2": templatePrinter2, "jsonpath": jsonpathPrinter, "name": &NamePrinter{ Typer: api.Scheme, Decoder: api.Codecs.UniversalDecoder(), }, } objects := map[string]runtime.Object{ "pod": &api.Pod{ObjectMeta: om("pod")}, "emptyPodList": &api.PodList{}, "nonEmptyPodList": &api.PodList{Items: []api.Pod{{}}}, "endpoints": &api.Endpoints{ Subsets: []api.EndpointSubset{{ Addresses: []api.EndpointAddress{{IP: "127.0.0.1"}, {IP: "localhost"}}, Ports: []api.EndpointPort{{Port: 8080}}, }}}, } // map of printer name to set of objects it should fail on. expectedErrors := map[string]sets.String{ "template2": sets.NewString("pod", "emptyPodList", "endpoints"), "jsonpath": sets.NewString("emptyPodList", "nonEmptyPodList", "endpoints"), } for pName, p := range printers { for oName, obj := range objects { b := &bytes.Buffer{} if err := p.PrintObj(obj, b); err != nil { if set, found := expectedErrors[pName]; found && set.Has(oName) { // expected error continue } t.Errorf("printer '%v', object '%v'; error: '%v'", pName, oName, err) } } } } func TestPrintEventsResultSorted(t *testing.T) { // Arrange printer := NewHumanReadablePrinter(PrintOptions{}) obj := api.EventList{ Items: []api.Event{ { Source: api.EventSource{Component: "kubelet"}, Message: "Item 1", FirstTimestamp: metav1.NewTime(time.Date(2014, time.January, 15, 0, 0, 0, 0, time.UTC)), LastTimestamp: metav1.NewTime(time.Date(2014, time.January, 15, 0, 0, 0, 0, time.UTC)), Count: 1, Type: api.EventTypeNormal, }, { Source: api.EventSource{Component: "scheduler"}, Message: "Item 2", FirstTimestamp: metav1.NewTime(time.Date(1987, time.June, 17, 0, 0, 0, 0, time.UTC)), LastTimestamp: metav1.NewTime(time.Date(1987, time.June, 17, 0, 0, 0, 0, time.UTC)), Count: 1, Type: api.EventTypeNormal, }, { Source: api.EventSource{Component: "kubelet"}, Message: "Item 3", FirstTimestamp: metav1.NewTime(time.Date(2002, time.December, 25, 0, 0, 0, 0, time.UTC)), LastTimestamp: metav1.NewTime(time.Date(2002, time.December, 25, 0, 0, 0, 0, time.UTC)), Count: 1, Type: api.EventTypeNormal, }, }, } buffer := &bytes.Buffer{} // Act err := printer.PrintObj(&obj, buffer) // Assert if err != nil { t.Fatalf("An error occurred printing the EventList: %#v", err) } out := buffer.String() VerifyDatesInOrder(out, "\n" /* rowDelimiter */, " " /* columnDelimiter */, t) } func TestPrintNodeStatus(t *testing.T) { printer := NewHumanReadablePrinter(PrintOptions{}) table := []struct { node api.Node status string }{ { node: api.Node{ ObjectMeta: metav1.ObjectMeta{Name: "foo1"}, Status: api.NodeStatus{Conditions: []api.NodeCondition{{Type: api.NodeReady, Status: api.ConditionTrue}}}, }, status: "Ready", }, { node: api.Node{ ObjectMeta: metav1.ObjectMeta{Name: "foo2"}, Spec: api.NodeSpec{Unschedulable: true}, Status: api.NodeStatus{Conditions: []api.NodeCondition{{Type: api.NodeReady, Status: api.ConditionTrue}}}, }, status: "Ready,SchedulingDisabled", }, { node: api.Node{ ObjectMeta: metav1.ObjectMeta{Name: "foo3"}, Status: api.NodeStatus{Conditions: []api.NodeCondition{ {Type: api.NodeReady, Status: api.ConditionTrue}, {Type: api.NodeReady, Status: api.ConditionTrue}}}, }, status: "Ready", }, { node: api.Node{ ObjectMeta: metav1.ObjectMeta{Name: "foo4"}, Status: api.NodeStatus{Conditions: []api.NodeCondition{{Type: api.NodeReady, Status: api.ConditionFalse}}}, }, status: "NotReady", }, { node: api.Node{ ObjectMeta: metav1.ObjectMeta{Name: "foo5"}, Spec: api.NodeSpec{Unschedulable: true}, Status: api.NodeStatus{Conditions: []api.NodeCondition{{Type: api.NodeReady, Status: api.ConditionFalse}}}, }, status: "NotReady,SchedulingDisabled", }, { node: api.Node{ ObjectMeta: metav1.ObjectMeta{Name: "foo6"}, Status: api.NodeStatus{Conditions: []api.NodeCondition{{Type: "InvalidValue", Status: api.ConditionTrue}}}, }, status: "Unknown", }, { node: api.Node{ ObjectMeta: metav1.ObjectMeta{Name: "foo7"}, Status: api.NodeStatus{Conditions: []api.NodeCondition{{}}}, }, status: "Unknown", }, { node: api.Node{ ObjectMeta: metav1.ObjectMeta{Name: "foo8"}, Spec: api.NodeSpec{Unschedulable: true}, Status: api.NodeStatus{Conditions: []api.NodeCondition{{Type: "InvalidValue", Status: api.ConditionTrue}}}, }, status: "Unknown,SchedulingDisabled", }, { node: api.Node{ ObjectMeta: metav1.ObjectMeta{Name: "foo9"}, Spec: api.NodeSpec{Unschedulable: true}, Status: api.NodeStatus{Conditions: []api.NodeCondition{{}}}, }, status: "Unknown,SchedulingDisabled", }, { node: api.Node{ ObjectMeta: metav1.ObjectMeta{ Name: "foo10", Labels: map[string]string{"kubernetes.io/role": "master"}, }, Status: api.NodeStatus{Conditions: []api.NodeCondition{{Type: api.NodeReady, Status: api.ConditionTrue}}}, }, status: "Ready,master", }, { node: api.Node{ ObjectMeta: metav1.ObjectMeta{ Name: "foo11", Labels: map[string]string{"kubernetes.io/role": "node"}, }, Status: api.NodeStatus{Conditions: []api.NodeCondition{{Type: api.NodeReady, Status: api.ConditionTrue}}}, }, status: "Ready,node", }, { node: api.Node{ ObjectMeta: metav1.ObjectMeta{ Name: "foo12", Labels: map[string]string{"kubeadm.alpha.kubernetes.io/role": "node"}, }, Status: api.NodeStatus{Conditions: []api.NodeCondition{{Type: api.NodeReady, Status: api.ConditionTrue}}}, }, status: "Ready,node", }, } for _, test := range table { buffer := &bytes.Buffer{} err := printer.PrintObj(&test.node, buffer) if err != nil { t.Fatalf("An error occurred printing Node: %#v", err) } if !contains(strings.Fields(buffer.String()), test.status) { t.Fatalf("Expect printing node %s with status %#v, got: %#v", test.node.Name, test.status, buffer.String()) } } } func TestPrintNodeOSImage(t *testing.T) { printer := NewHumanReadablePrinter(PrintOptions{ ColumnLabels: []string{}, Wide: true, }) table := []struct { node api.Node osImage string }{ { node: api.Node{ ObjectMeta: metav1.ObjectMeta{Name: "foo1"}, Status: api.NodeStatus{ NodeInfo: api.NodeSystemInfo{OSImage: "fake-os-image"}, Addresses: []api.NodeAddress{{Type: api.NodeExternalIP, Address: "1.1.1.1"}}, }, }, osImage: "fake-os-image", }, { node: api.Node{ ObjectMeta: metav1.ObjectMeta{Name: "foo2"}, Status: api.NodeStatus{ NodeInfo: api.NodeSystemInfo{KernelVersion: "fake-kernel-version"}, Addresses: []api.NodeAddress{{Type: api.NodeExternalIP, Address: "1.1.1.1"}}, }, }, osImage: "", }, } for _, test := range table { buffer := &bytes.Buffer{} err := printer.PrintObj(&test.node, buffer) if err != nil { t.Fatalf("An error occurred printing Node: %#v", err) } if !contains(strings.Fields(buffer.String()), test.osImage) { t.Fatalf("Expect printing node %s with os image %#v, got: %#v", test.node.Name, test.osImage, buffer.String()) } } } func TestPrintNodeKernelVersion(t *testing.T) { printer := NewHumanReadablePrinter(PrintOptions{ ColumnLabels: []string{}, Wide: true, }) table := []struct { node api.Node kernelVersion string }{ { node: api.Node{ ObjectMeta: metav1.ObjectMeta{Name: "foo1"}, Status: api.NodeStatus{ NodeInfo: api.NodeSystemInfo{KernelVersion: "fake-kernel-version"}, Addresses: []api.NodeAddress{{Type: api.NodeExternalIP, Address: "1.1.1.1"}}, }, }, kernelVersion: "fake-kernel-version", }, { node: api.Node{ ObjectMeta: metav1.ObjectMeta{Name: "foo2"}, Status: api.NodeStatus{ NodeInfo: api.NodeSystemInfo{OSImage: "fake-os-image"}, Addresses: []api.NodeAddress{{Type: api.NodeExternalIP, Address: "1.1.1.1"}}, }, }, kernelVersion: "", }, } for _, test := range table { buffer := &bytes.Buffer{} err := printer.PrintObj(&test.node, buffer) if err != nil { t.Fatalf("An error occurred printing Node: %#v", err) } if !contains(strings.Fields(buffer.String()), test.kernelVersion) { t.Fatalf("Expect printing node %s with kernel version %#v, got: %#v", test.node.Name, test.kernelVersion, buffer.String()) } } } func TestPrintNodeExternalIP(t *testing.T) { printer := NewHumanReadablePrinter(PrintOptions{ Wide: true, }) table := []struct { node api.Node externalIP string }{ { node: api.Node{ ObjectMeta: metav1.ObjectMeta{Name: "foo1"}, Status: api.NodeStatus{Addresses: []api.NodeAddress{{Type: api.NodeExternalIP, Address: "1.1.1.1"}}}, }, externalIP: "1.1.1.1", }, { node: api.Node{ ObjectMeta: metav1.ObjectMeta{Name: "foo2"}, Status: api.NodeStatus{Addresses: []api.NodeAddress{{Type: api.NodeInternalIP, Address: "1.1.1.1"}}}, }, externalIP: "", }, { node: api.Node{ ObjectMeta: metav1.ObjectMeta{Name: "foo3"}, Status: api.NodeStatus{Addresses: []api.NodeAddress{ {Type: api.NodeLegacyHostIP, Address: "1.1.1.1"}, {Type: api.NodeExternalIP, Address: "2.2.2.2"}, {Type: api.NodeInternalIP, Address: "3.3.3.3"}, {Type: api.NodeExternalIP, Address: "4.4.4.4"}, }}, }, externalIP: "2.2.2.2", }, } for _, test := range table { buffer := &bytes.Buffer{} err := printer.PrintObj(&test.node, buffer) if err != nil { t.Fatalf("An error occurred printing Node: %#v", err) } if !contains(strings.Fields(buffer.String()), test.externalIP) { t.Fatalf("Expect printing node %s with external ip %#v, got: %#v", test.node.Name, test.externalIP, buffer.String()) } } } func contains(fields []string, field string) bool { for _, v := range fields { if v == field { return true } } return false } func TestPrintHunmanReadableIngressWithColumnLabels(t *testing.T) { ingress := extensions.Ingress{ ObjectMeta: metav1.ObjectMeta{ Name: "test1", CreationTimestamp: metav1.Time{Time: time.Now().AddDate(-10, 0, 0)}, Labels: map[string]string{ "app_name": "kubectl_test_ingress", }, }, Spec: extensions.IngressSpec{ Backend: &extensions.IngressBackend{ ServiceName: "svc", ServicePort: intstr.FromInt(93), }, }, Status: extensions.IngressStatus{ LoadBalancer: api.LoadBalancerStatus{ Ingress: []api.LoadBalancerIngress{ { IP: "2.3.4.5", Hostname: "localhost.localdomain", }, }, }, }, } buff := bytes.Buffer{} printIngress(&ingress, &buff, PrintOptions{ ColumnLabels: []string{"app_name"}, }) output := string(buff.Bytes()) appName := ingress.ObjectMeta.Labels["app_name"] if !strings.Contains(output, appName) { t.Errorf("expected to container app_name label value %s, but doesn't %s", appName, output) } } func TestPrintHumanReadableService(t *testing.T) { tests := []api.Service{ { Spec: api.ServiceSpec{ ClusterIP: "1.2.3.4", Type: "LoadBalancer", Ports: []api.ServicePort{ { Port: 80, Protocol: "TCP", }, }, }, Status: api.ServiceStatus{ LoadBalancer: api.LoadBalancerStatus{ Ingress: []api.LoadBalancerIngress{ { IP: "2.3.4.5", }, { IP: "3.4.5.6", }, }, }, }, }, { Spec: api.ServiceSpec{ ClusterIP: "1.3.4.5", Ports: []api.ServicePort{ { Port: 80, Protocol: "TCP", }, { Port: 8090, Protocol: "UDP", }, { Port: 8000, Protocol: "TCP", }, }, }, }, { Spec: api.ServiceSpec{ ClusterIP: "1.4.5.6", Type: "LoadBalancer", Ports: []api.ServicePort{ { Port: 80, Protocol: "TCP", }, { Port: 8090, Protocol: "UDP", }, { Port: 8000, Protocol: "TCP", }, }, }, Status: api.ServiceStatus{ LoadBalancer: api.LoadBalancerStatus{ Ingress: []api.LoadBalancerIngress{ { IP: "2.3.4.5", }, }, }, }, }, { Spec: api.ServiceSpec{ ClusterIP: "1.5.6.7", Type: "LoadBalancer", Ports: []api.ServicePort{ { Port: 80, Protocol: "TCP", }, { Port: 8090, Protocol: "UDP", }, { Port: 8000, Protocol: "TCP", }, }, }, Status: api.ServiceStatus{ LoadBalancer: api.LoadBalancerStatus{ Ingress: []api.LoadBalancerIngress{ { IP: "2.3.4.5", }, { IP: "3.4.5.6", }, { IP: "5.6.7.8", Hostname: "host5678", }, }, }, }, }, } for _, svc := range tests { for _, wide := range []bool{false, true} { buff := bytes.Buffer{} printService(&svc, &buff, PrintOptions{Wide: wide}) output := string(buff.Bytes()) ip := svc.Spec.ClusterIP if !strings.Contains(output, ip) { t.Errorf("expected to contain ClusterIP %s, but doesn't: %s", ip, output) } for n, ingress := range svc.Status.LoadBalancer.Ingress { ip = ingress.IP // For non-wide output, we only guarantee the first IP to be printed if (n == 0 || wide) && !strings.Contains(output, ip) { t.Errorf("expected to contain ingress ip %s with wide=%v, but doesn't: %s", ip, wide, output) } } for _, port := range svc.Spec.Ports { portSpec := fmt.Sprintf("%d/%s", port.Port, port.Protocol) if !strings.Contains(output, portSpec) { t.Errorf("expected to contain port: %s, but doesn't: %s", portSpec, output) } } // Each service should print on one line if 1 != strings.Count(output, "\n") { t.Errorf("expected a single newline, found %d", strings.Count(output, "\n")) } } } } func TestPrintHumanReadableWithNamespace(t *testing.T) { namespaceName := "testnamespace" name := "test" table := []struct { obj runtime.Object isNamespaced bool }{ { obj: &api.Pod{ ObjectMeta: metav1.ObjectMeta{Name: name, Namespace: namespaceName}, }, isNamespaced: true, }, { obj: &api.ReplicationController{ ObjectMeta: metav1.ObjectMeta{Name: name, Namespace: namespaceName}, Spec: api.ReplicationControllerSpec{ Replicas: 2, Template: &api.PodTemplateSpec{ ObjectMeta: metav1.ObjectMeta{ Labels: map[string]string{ "name": "foo", "type": "production", }, }, Spec: api.PodSpec{ Containers: []api.Container{ { Image: "foo/bar", TerminationMessagePath: api.TerminationMessagePathDefault, ImagePullPolicy: api.PullIfNotPresent, }, }, RestartPolicy: api.RestartPolicyAlways, DNSPolicy: api.DNSDefault, NodeSelector: map[string]string{ "baz": "blah", }, }, }, }, }, isNamespaced: true, }, { obj: &api.Service{ ObjectMeta: metav1.ObjectMeta{Name: name, Namespace: namespaceName}, Spec: api.ServiceSpec{ ClusterIP: "1.2.3.4", Ports: []api.ServicePort{ { Port: 80, Protocol: "TCP", }, }, }, Status: api.ServiceStatus{ LoadBalancer: api.LoadBalancerStatus{ Ingress: []api.LoadBalancerIngress{ { IP: "2.3.4.5", }, }, }, }, }, isNamespaced: true, }, { obj: &api.Endpoints{ ObjectMeta: metav1.ObjectMeta{Name: name, Namespace: namespaceName}, Subsets: []api.EndpointSubset{{ Addresses: []api.EndpointAddress{{IP: "127.0.0.1"}, {IP: "localhost"}}, Ports: []api.EndpointPort{{Port: 8080}}, }, }}, isNamespaced: true, }, { obj: &api.Namespace{ ObjectMeta: metav1.ObjectMeta{Name: name}, }, isNamespaced: false, }, { obj: &api.Secret{ ObjectMeta: metav1.ObjectMeta{Name: name, Namespace: namespaceName}, }, isNamespaced: true, }, { obj: &api.ServiceAccount{ ObjectMeta: metav1.ObjectMeta{Name: name, Namespace: namespaceName}, Secrets: []api.ObjectReference{}, }, isNamespaced: true, }, { obj: &api.Node{ ObjectMeta: metav1.ObjectMeta{Name: name}, Status: api.NodeStatus{}, }, isNamespaced: false, }, { obj: &api.PersistentVolume{ ObjectMeta: metav1.ObjectMeta{Name: name, Namespace: namespaceName}, Spec: api.PersistentVolumeSpec{}, }, isNamespaced: false, }, { obj: &api.PersistentVolumeClaim{ ObjectMeta: metav1.ObjectMeta{Name: name, Namespace: namespaceName}, Spec: api.PersistentVolumeClaimSpec{}, }, isNamespaced: true, }, { obj: &api.Event{ ObjectMeta: metav1.ObjectMeta{Name: name, Namespace: namespaceName}, Source: api.EventSource{Component: "kubelet"}, Message: "Item 1", FirstTimestamp: metav1.NewTime(time.Date(2014, time.January, 15, 0, 0, 0, 0, time.UTC)), LastTimestamp: metav1.NewTime(time.Date(2014, time.January, 15, 0, 0, 0, 0, time.UTC)), Count: 1, Type: api.EventTypeNormal, }, isNamespaced: true, }, { obj: &api.LimitRange{ ObjectMeta: metav1.ObjectMeta{Name: name, Namespace: namespaceName}, }, isNamespaced: true, }, { obj: &api.ResourceQuota{ ObjectMeta: metav1.ObjectMeta{Name: name, Namespace: namespaceName}, }, isNamespaced: true, }, { obj: &api.ComponentStatus{ Conditions: []api.ComponentCondition{ {Type: api.ComponentHealthy, Status: api.ConditionTrue, Message: "ok", Error: ""}, }, }, isNamespaced: false, }, } for _, test := range table { if test.isNamespaced { // Expect output to include namespace when requested. printer := NewHumanReadablePrinter(PrintOptions{ WithNamespace: true, }) buffer := &bytes.Buffer{} err := printer.PrintObj(test.obj, buffer) if err != nil { t.Fatalf("An error occurred printing object: %#v", err) } matched := contains(strings.Fields(buffer.String()), fmt.Sprintf("%s", namespaceName)) if !matched { t.Errorf("Expect printing object to contain namespace: %#v", test.obj) } } else { // Expect error when trying to get all namespaces for un-namespaced object. printer := NewHumanReadablePrinter(PrintOptions{ WithNamespace: true, }) buffer := &bytes.Buffer{} err := printer.PrintObj(test.obj, buffer) if err == nil { t.Errorf("Expected error when printing un-namespaced type") } } } } func TestPrintPod(t *testing.T) { tests := []struct { pod api.Pod expect string }{ { // Test name, num of containers, restarts, container ready status api.Pod{ ObjectMeta: metav1.ObjectMeta{Name: "test1"}, Spec: api.PodSpec{Containers: make([]api.Container, 2)}, Status: api.PodStatus{ Phase: "podPhase", ContainerStatuses: []api.ContainerStatus{ {Ready: true, RestartCount: 3, State: api.ContainerState{Running: &api.ContainerStateRunning{}}}, {RestartCount: 3}, }, }, }, "test1\t1/2\tpodPhase\t6\t", }, { // Test container error overwrites pod phase api.Pod{ ObjectMeta: metav1.ObjectMeta{Name: "test2"}, Spec: api.PodSpec{Containers: make([]api.Container, 2)}, Status: api.PodStatus{ Phase: "podPhase", ContainerStatuses: []api.ContainerStatus{ {Ready: true, RestartCount: 3, State: api.ContainerState{Running: &api.ContainerStateRunning{}}}, {State: api.ContainerState{Waiting: &api.ContainerStateWaiting{Reason: "ContainerWaitingReason"}}, RestartCount: 3}, }, }, }, "test2\t1/2\tContainerWaitingReason\t6\t", }, { // Test the same as the above but with Terminated state and the first container overwrites the rest api.Pod{ ObjectMeta: metav1.ObjectMeta{Name: "test3"}, Spec: api.PodSpec{Containers: make([]api.Container, 2)}, Status: api.PodStatus{ Phase: "podPhase", ContainerStatuses: []api.ContainerStatus{ {State: api.ContainerState{Waiting: &api.ContainerStateWaiting{Reason: "ContainerWaitingReason"}}, RestartCount: 3}, {State: api.ContainerState{Terminated: &api.ContainerStateTerminated{Reason: "ContainerTerminatedReason"}}, RestartCount: 3}, }, }, }, "test3\t0/2\tContainerWaitingReason\t6\t", }, { // Test ready is not enough for reporting running api.Pod{ ObjectMeta: metav1.ObjectMeta{Name: "test4"}, Spec: api.PodSpec{Containers: make([]api.Container, 2)}, Status: api.PodStatus{ Phase: "podPhase", ContainerStatuses: []api.ContainerStatus{ {Ready: true, RestartCount: 3, State: api.ContainerState{Running: &api.ContainerStateRunning{}}}, {Ready: true, RestartCount: 3}, }, }, }, "test4\t1/2\tpodPhase\t6\t", }, { // Test ready is not enough for reporting running api.Pod{ ObjectMeta: metav1.ObjectMeta{Name: "test5"}, Spec: api.PodSpec{Containers: make([]api.Container, 2)}, Status: api.PodStatus{ Reason: "OutOfDisk", Phase: "podPhase", ContainerStatuses: []api.ContainerStatus{ {Ready: true, RestartCount: 3, State: api.ContainerState{Running: &api.ContainerStateRunning{}}}, {Ready: true, RestartCount: 3}, }, }, }, "test5\t1/2\tOutOfDisk\t6\t", }, } buf := bytes.NewBuffer([]byte{}) printer := HumanReadablePrinter{} for _, test := range tests { printer.printPod(&test.pod, buf, PrintOptions{ShowAll: true}) // We ignore time if !strings.HasPrefix(buf.String(), test.expect) { t.Fatalf("Expected: %s, got: %s", test.expect, buf.String()) } buf.Reset() } } func TestPrintNonTerminatedPod(t *testing.T) { tests := []struct { pod api.Pod expect string }{ { // Test pod phase Running should be printed api.Pod{ ObjectMeta: metav1.ObjectMeta{Name: "test1"}, Spec: api.PodSpec{Containers: make([]api.Container, 2)}, Status: api.PodStatus{ Phase: api.PodRunning, ContainerStatuses: []api.ContainerStatus{ {Ready: true, RestartCount: 3, State: api.ContainerState{Running: &api.ContainerStateRunning{}}}, {RestartCount: 3}, }, }, }, "test1\t1/2\tRunning\t6\t", }, { // Test pod phase Pending should be printed api.Pod{ ObjectMeta: metav1.ObjectMeta{Name: "test2"}, Spec: api.PodSpec{Containers: make([]api.Container, 2)}, Status: api.PodStatus{ Phase: api.PodPending, ContainerStatuses: []api.ContainerStatus{ {Ready: true, RestartCount: 3, State: api.ContainerState{Running: &api.ContainerStateRunning{}}}, {RestartCount: 3}, }, }, }, "test2\t1/2\tPending\t6\t", }, { // Test pod phase Unknown should be printed api.Pod{ ObjectMeta: metav1.ObjectMeta{Name: "test3"}, Spec: api.PodSpec{Containers: make([]api.Container, 2)}, Status: api.PodStatus{ Phase: api.PodUnknown, ContainerStatuses: []api.ContainerStatus{ {Ready: true, RestartCount: 3, State: api.ContainerState{Running: &api.ContainerStateRunning{}}}, {RestartCount: 3}, }, }, }, "test3\t1/2\tUnknown\t6\t", }, { // Test pod phase Succeeded shouldn't be printed api.Pod{ ObjectMeta: metav1.ObjectMeta{Name: "test4"}, Spec: api.PodSpec{Containers: make([]api.Container, 2)}, Status: api.PodStatus{ Phase: api.PodSucceeded, ContainerStatuses: []api.ContainerStatus{ {Ready: true, RestartCount: 3, State: api.ContainerState{Running: &api.ContainerStateRunning{}}}, {RestartCount: 3}, }, }, }, "", }, { // Test pod phase Failed shouldn't be printed api.Pod{ ObjectMeta: metav1.ObjectMeta{Name: "test5"}, Spec: api.PodSpec{Containers: make([]api.Container, 2)}, Status: api.PodStatus{ Phase: api.PodFailed, ContainerStatuses: []api.ContainerStatus{ {Ready: true, RestartCount: 3, State: api.ContainerState{Running: &api.ContainerStateRunning{}}}, {Ready: true, RestartCount: 3}, }, }, }, "", }, } buf := bytes.NewBuffer([]byte{}) printer := HumanReadablePrinter{} for _, test := range tests { printer.printPod(&test.pod, buf, PrintOptions{}) // We ignore time if !strings.HasPrefix(buf.String(), test.expect) { t.Fatalf("Expected: %s, got: %s", test.expect, buf.String()) } buf.Reset() } } func TestPrintPodWithLabels(t *testing.T) { tests := []struct { pod api.Pod labelColumns []string startsWith string endsWith string }{ { // Test name, num of containers, restarts, container ready status api.Pod{ ObjectMeta: metav1.ObjectMeta{ Name: "test1", Labels: map[string]string{"col1": "asd", "COL2": "zxc"}, }, Spec: api.PodSpec{Containers: make([]api.Container, 2)}, Status: api.PodStatus{ Phase: "podPhase", ContainerStatuses: []api.ContainerStatus{ {Ready: true, RestartCount: 3, State: api.ContainerState{Running: &api.ContainerStateRunning{}}}, {RestartCount: 3}, }, }, }, []string{"col1", "COL2"}, "test1\t1/2\tpodPhase\t6\t", "\tasd\tzxc\n", }, { // Test name, num of containers, restarts, container ready status api.Pod{ ObjectMeta: metav1.ObjectMeta{ Name: "test1", Labels: map[string]string{"col1": "asd", "COL2": "zxc"}, }, Spec: api.PodSpec{Containers: make([]api.Container, 2)}, Status: api.PodStatus{ Phase: "podPhase", ContainerStatuses: []api.ContainerStatus{ {Ready: true, RestartCount: 3, State: api.ContainerState{Running: &api.ContainerStateRunning{}}}, {RestartCount: 3}, }, }, }, []string{}, "test1\t1/2\tpodPhase\t6\t", "\n", }, } buf := bytes.NewBuffer([]byte{}) printer := HumanReadablePrinter{} for _, test := range tests { printer.printPod(&test.pod, buf, PrintOptions{ColumnLabels: test.labelColumns}) // We ignore time if !strings.HasPrefix(buf.String(), test.startsWith) || !strings.HasSuffix(buf.String(), test.endsWith) { t.Fatalf("Expected to start with: %s and end with: %s, but got: %s", test.startsWith, test.endsWith, buf.String()) } buf.Reset() } } type stringTestList []struct { name, got, exp string } func TestTranslateTimestamp(t *testing.T) { tl := stringTestList{ {"a while from now", translateTimestamp(metav1.Time{Time: time.Now().Add(2.1e9)}), ""}, {"almost now", translateTimestamp(metav1.Time{Time: time.Now().Add(1.9e9)}), "0s"}, {"now", translateTimestamp(metav1.Time{Time: time.Now()}), "0s"}, {"unknown", translateTimestamp(metav1.Time{}), ""}, {"30 seconds ago", translateTimestamp(metav1.Time{Time: time.Now().Add(-3e10)}), "30s"}, {"5 minutes ago", translateTimestamp(metav1.Time{Time: time.Now().Add(-3e11)}), "5m"}, {"an hour ago", translateTimestamp(metav1.Time{Time: time.Now().Add(-6e12)}), "1h"}, {"2 days ago", translateTimestamp(metav1.Time{Time: time.Now().UTC().AddDate(0, 0, -2)}), "2d"}, {"months ago", translateTimestamp(metav1.Time{Time: time.Now().UTC().AddDate(0, 0, -90)}), "90d"}, {"10 years ago", translateTimestamp(metav1.Time{Time: time.Now().UTC().AddDate(-10, 0, 0)}), "10y"}, } for _, test := range tl { if test.got != test.exp { t.Errorf("On %v, expected '%v', but got '%v'", test.name, test.exp, test.got) } } } func TestPrintDeployment(t *testing.T) { tests := []struct { deployment extensions.Deployment expect string wideExpect string }{ { extensions.Deployment{ ObjectMeta: metav1.ObjectMeta{ Name: "test1", CreationTimestamp: metav1.Time{Time: time.Now().Add(1.9e9)}, }, Spec: extensions.DeploymentSpec{ Replicas: 5, Template: api.PodTemplateSpec{ Spec: api.PodSpec{ Containers: []api.Container{ { Name: "fake-container1", Image: "fake-image1", }, { Name: "fake-container2", Image: "fake-image2", }, }, }, }, Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"foo": "bar"}}, }, Status: extensions.DeploymentStatus{ Replicas: 10, UpdatedReplicas: 2, AvailableReplicas: 1, UnavailableReplicas: 4, }, }, "test1\t5\t10\t2\t1\t0s\n", "test1\t5\t10\t2\t1\t0s\tfake-container1,fake-container2\tfake-image1,fake-image2\tfoo=bar\n", }, } buf := bytes.NewBuffer([]byte{}) for _, test := range tests { printDeployment(&test.deployment, buf, PrintOptions{}) if buf.String() != test.expect { t.Fatalf("Expected: %s, got: %s", test.expect, buf.String()) } buf.Reset() // print deployment with '-o wide' option printDeployment(&test.deployment, buf, PrintOptions{Wide: true}) if buf.String() != test.wideExpect { t.Fatalf("Expected: %s, got: %s", test.wideExpect, buf.String()) } buf.Reset() } } func TestPrintDaemonSet(t *testing.T) { tests := []struct { ds extensions.DaemonSet startsWith string }{ { extensions.DaemonSet{ ObjectMeta: metav1.ObjectMeta{ Name: "test1", CreationTimestamp: metav1.Time{Time: time.Now().Add(1.9e9)}, }, Spec: extensions.DaemonSetSpec{ Template: api.PodTemplateSpec{ Spec: api.PodSpec{Containers: make([]api.Container, 2)}, }, }, Status: extensions.DaemonSetStatus{ CurrentNumberScheduled: 2, DesiredNumberScheduled: 3, NumberReady: 1, }, }, "test1\t3\t2\t1\t\t0s\n", }, } buf := bytes.NewBuffer([]byte{}) for _, test := range tests { printDaemonSet(&test.ds, buf, PrintOptions{}) if !strings.HasPrefix(buf.String(), test.startsWith) { t.Fatalf("Expected to start with %s but got %s", test.startsWith, buf.String()) } buf.Reset() } } func TestPrintJob(t *testing.T) { completions := int32(2) tests := []struct { job batch.Job expect string }{ { batch.Job{ ObjectMeta: metav1.ObjectMeta{ Name: "job1", CreationTimestamp: metav1.Time{Time: time.Now().Add(1.9e9)}, }, Spec: batch.JobSpec{ Completions: &completions, }, Status: batch.JobStatus{ Succeeded: 1, }, }, "job1\t2\t1\t0s\n", }, { batch.Job{ ObjectMeta: metav1.ObjectMeta{ Name: "job2", CreationTimestamp: metav1.Time{Time: time.Now().AddDate(-10, 0, 0)}, }, Spec: batch.JobSpec{ Completions: nil, }, Status: batch.JobStatus{ Succeeded: 0, }, }, "job2\t\t0\t10y\n", }, } buf := bytes.NewBuffer([]byte{}) for _, test := range tests { printJob(&test.job, buf, PrintOptions{}) if buf.String() != test.expect { t.Fatalf("Expected: %s, got: %s", test.expect, buf.String()) } buf.Reset() } } func TestPrintPodShowLabels(t *testing.T) { tests := []struct { pod api.Pod startsWith string endsWith string showLabels bool }{ { // Test name, num of containers, restarts, container ready status api.Pod{ ObjectMeta: metav1.ObjectMeta{ Name: "test1", Labels: map[string]string{"col1": "asd", "COL2": "zxc"}, }, Spec: api.PodSpec{Containers: make([]api.Container, 2)}, Status: api.PodStatus{ Phase: "podPhase", ContainerStatuses: []api.ContainerStatus{ {Ready: true, RestartCount: 3, State: api.ContainerState{Running: &api.ContainerStateRunning{}}}, {RestartCount: 3}, }, }, }, "test1\t1/2\tpodPhase\t6\t", "\tCOL2=zxc,col1=asd\n", true, }, { // Test name, num of containers, restarts, container ready status api.Pod{ ObjectMeta: metav1.ObjectMeta{ Name: "test1", Labels: map[string]string{"col3": "asd", "COL4": "zxc"}, }, Spec: api.PodSpec{Containers: make([]api.Container, 2)}, Status: api.PodStatus{ Phase: "podPhase", ContainerStatuses: []api.ContainerStatus{ {Ready: true, RestartCount: 3, State: api.ContainerState{Running: &api.ContainerStateRunning{}}}, {RestartCount: 3}, }, }, }, "test1\t1/2\tpodPhase\t6\t", "\n", false, }, } buf := bytes.NewBuffer([]byte{}) printer := HumanReadablePrinter{} for _, test := range tests { printer.printPod(&test.pod, buf, PrintOptions{ShowLabels: test.showLabels}) // We ignore time if !strings.HasPrefix(buf.String(), test.startsWith) || !strings.HasSuffix(buf.String(), test.endsWith) { t.Fatalf("Expected to start with: %s and end with: %s, but got: %s", test.startsWith, test.endsWith, buf.String()) } buf.Reset() } } func TestPrintService(t *testing.T) { tests := []struct { service api.Service expect string }{ { // Test name, cluster ip, port with protocol api.Service{ ObjectMeta: metav1.ObjectMeta{Name: "test1"}, Spec: api.ServiceSpec{ Type: api.ServiceTypeClusterIP, Ports: []api.ServicePort{ {Protocol: "tcp", Port: 2233}, }, ClusterIP: "0.0.0.0", }, }, "test1\t0.0.0.0\t\t2233/tcp\t\n", }, { // Test name, cluster ip, port:nodePort with protocol api.Service{ ObjectMeta: metav1.ObjectMeta{Name: "test2"}, Spec: api.ServiceSpec{ Type: api.ServiceTypeClusterIP, Ports: []api.ServicePort{ {Protocol: "tcp", Port: 8888, NodePort: 9999, }, }, ClusterIP: "10.9.8.7", }, }, "test2\t10.9.8.7\t\t8888:9999/tcp\t\n", }, } buf := bytes.NewBuffer([]byte{}) for _, test := range tests { printService(&test.service, buf, PrintOptions{}) // We ignore time if buf.String() != test.expect { t.Fatalf("Expected: %s, got: %s %d", test.expect, buf.String(), strings.Compare(test.expect, buf.String())) } buf.Reset() } } func TestPrintPodDisruptionBudget(t *testing.T) { tests := []struct { pdb policy.PodDisruptionBudget expect string }{ { policy.PodDisruptionBudget{ ObjectMeta: metav1.ObjectMeta{ Namespace: "ns1", Name: "pdb1", CreationTimestamp: metav1.Time{Time: time.Now().Add(1.9e9)}, }, Spec: policy.PodDisruptionBudgetSpec{ MinAvailable: intstr.FromInt(22), }, Status: policy.PodDisruptionBudgetStatus{ PodDisruptionsAllowed: 5, }, }, "pdb1\t22\t5\t0s\n", }} buf := bytes.NewBuffer([]byte{}) for _, test := range tests { printPodDisruptionBudget(&test.pdb, buf, PrintOptions{}) if buf.String() != test.expect { t.Fatalf("Expected: %s, got: %s", test.expect, buf.String()) } buf.Reset() } } func TestAllowMissingKeys(t *testing.T) { tests := []struct { Name string AllowMissingTemplateKeys bool Format string Template string Input runtime.Object Expect string Error string }{ {"test template, allow missing keys", true, "template", "{{.blarg}}", &api.Pod{}, "", ""}, {"test template, strict", false, "template", "{{.blarg}}", &api.Pod{}, "", `error executing template "{{.blarg}}": template: output:1:2: executing "output" at <.blarg>: map has no entry for key "blarg"`}, {"test jsonpath, allow missing keys", true, "jsonpath", "{.blarg}", &api.Pod{}, "", ""}, {"test jsonpath, strict", false, "jsonpath", "{.blarg}", &api.Pod{}, "", "error executing jsonpath \"{.blarg}\": blarg is not found\n"}, } for _, test := range tests { buf := bytes.NewBuffer([]byte{}) printer, _, err := GetPrinter(test.Format, test.Template, false, test.AllowMissingTemplateKeys) if err != nil { t.Errorf("in %s, unexpected error: %#v", test.Name, err) } err = printer.PrintObj(test.Input, buf) if len(test.Error) == 0 && err != nil { t.Errorf("in %s, unexpected error: %v", test.Name, err) continue } if len(test.Error) > 0 { if err == nil { t.Errorf("in %s, expected to get error: %v", test.Name, test.Error) } else if e, a := test.Error, err.Error(); e != a { t.Errorf("in %s, expected error %q, got %q", test.Name, e, a) } continue } if buf.String() != test.Expect { t.Errorf("in %s, expect %q, got %q", test.Name, test.Expect, buf.String()) } } }