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Merge pull request #63776 from wgliang/master.test-printers

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Automatic merge from submit-queue (batch tested with PRs 63770, 63776, 64001, 64028, 63984). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

use subtest for table units (pkg/printers)

**What this PR does / why we need it**:

Go 1.7 added the subtest feature which can make table-driven tests much easier to run and debug. Many table-driven tests in pkg/kubectl are not using this feature.

/kind cleanup

Further reading: [Using Subtests and Sub-benchmarks](https://blog.golang.org/subtests)

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```
This commit is contained in:
Kubernetes Submit Queue 2018-05-19 02:11:30 -07:00 committed by GitHub
commit a915811a98
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 288 additions and 215 deletions
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130
pkg/printers/customcolumn_test.go
View File

@ -47,20 +47,22 @@ func TestMassageJSONPath(t *testing.T) {
{input: "{{foo.bar}", expectErr: true},
}
for _, test := range tests {
output, err := printers.RelaxedJSONPathExpression(test.input)
if err != nil && !test.expectErr {
t.Errorf("unexpected error: %v", err)
continue
}
if test.expectErr {
if err == nil {
t.Error("unexpected non-error")
t.Run(test.input, func(t *testing.T) {
output, err := printers.RelaxedJSONPathExpression(test.input)
if err != nil && !test.expectErr {
t.Errorf("unexpected error: %v", err)
return
}
continue
}
if output != test.expectedOutput {
t.Errorf("input: %s, expected: %s, saw: %s", test.input, test.expectedOutput, output)
}
if test.expectErr {
if err == nil {
t.Error("unexpected non-error")
}
return
}
if output != test.expectedOutput {
t.Errorf("input: %s, expected: %s, saw: %s", test.input, test.expectedOutput, output)
}
})
}
}
@ -113,33 +115,34 @@ func TestNewColumnPrinterFromSpec(t *testing.T) {
},
}
for _, test := range tests {
printer, err := printers.NewCustomColumnsPrinterFromSpec(test.spec, legacyscheme.Codecs.UniversalDecoder(), test.noHeaders)
if test.expectErr {
if err == nil {
t.Errorf("[%s] unexpected non-error", test.name)
t.Run(test.name, func(t *testing.T) {
printer, err := printers.NewCustomColumnsPrinterFromSpec(test.spec, legacyscheme.Codecs.UniversalDecoder(), test.noHeaders)
if test.expectErr {
if err == nil {
t.Errorf("[%s] unexpected non-error", test.name)
}
return
}
continue
}
if !test.expectErr && err != nil {
t.Errorf("[%s] unexpected error: %v", test.name, err)
continue
}
if test.noHeaders {
buffer := &bytes.Buffer{}
printer.PrintObj(&api.Pod{}, buffer)
if err != nil {
t.Fatalf("An error occurred printing Pod: %#v", err)
if !test.expectErr && err != nil {
t.Errorf("[%s] unexpected error: %v", test.name, err)
return
}
if test.noHeaders {
buffer := &bytes.Buffer{}
if contains(strings.Fields(buffer.String()), "API_VERSION") {
t.Errorf("unexpected header API_VERSION")
printer.PrintObj(&api.Pod{}, buffer)
if err != nil {
t.Fatalf("An error occurred printing Pod: %#v", err)
}
if contains(strings.Fields(buffer.String()), "API_VERSION") {
t.Errorf("unexpected header API_VERSION")
}
} else if !reflect.DeepEqual(test.expectedColumns, printer.Columns) {
t.Errorf("[%s]\nexpected:\n%v\nsaw:\n%v\n", test.name, test.expectedColumns, printer.Columns)
}
} else if !reflect.DeepEqual(test.expectedColumns, printer.Columns) {
t.Errorf("[%s]\nexpected:\n%v\nsaw:\n%v\n", test.name, test.expectedColumns, printer.Columns)
}
})
}
}
@ -215,23 +218,24 @@ func TestNewColumnPrinterFromTemplate(t *testing.T) {
},
}
for _, test := range tests {
reader := bytes.NewBufferString(test.spec)
printer, err := printers.NewCustomColumnsPrinterFromTemplate(reader, legacyscheme.Codecs.UniversalDecoder())
if test.expectErr {
if err == nil {
t.Errorf("[%s] unexpected non-error", test.name)
t.Run(test.name, func(t *testing.T) {
reader := bytes.NewBufferString(test.spec)
printer, err := printers.NewCustomColumnsPrinterFromTemplate(reader, legacyscheme.Codecs.UniversalDecoder())
if test.expectErr {
if err == nil {
t.Errorf("[%s] unexpected non-error", test.name)
}
return
}
if !test.expectErr && err != nil {
t.Errorf("[%s] unexpected error: %v", test.name, err)
return
}
continue
}
if !test.expectErr && err != nil {
t.Errorf("[%s] unexpected error: %v", test.name, err)
continue
}
if !reflect.DeepEqual(test.expectedColumns, printer.Columns) {
t.Errorf("[%s]\nexpected:\n%v\nsaw:\n%v\n", test.name, test.expectedColumns, printer.Columns)
}
if !reflect.DeepEqual(test.expectedColumns, printer.Columns) {
t.Errorf("[%s]\nexpected:\n%v\nsaw:\n%v\n", test.name, test.expectedColumns, printer.Columns)
}
})
}
}
@ -310,17 +314,19 @@ foo baz <none>
}
for _, test := range tests {
printer := &printers.CustomColumnsPrinter{
Columns: test.columns,
Decoder: legacyscheme.Codecs.UniversalDecoder(),
}
buffer := &bytes.Buffer{}
if err := printer.PrintObj(test.obj, buffer); err != nil {
t.Errorf("unexpected error: %v", err)
}
if buffer.String() != test.expectedOutput {
t.Errorf("\nexpected:\n'%s'\nsaw\n'%s'\n", test.expectedOutput, buffer.String())
}
t.Run(test.expectedOutput, func(t *testing.T) {
printer := &printers.CustomColumnsPrinter{
Columns: test.columns,
Decoder: legacyscheme.Codecs.UniversalDecoder(),
}
buffer := &bytes.Buffer{}
if err := printer.PrintObj(test.obj, buffer); err != nil {
t.Errorf("unexpected error: %v", err)
}
if buffer.String() != test.expectedOutput {
t.Errorf("\nexpected:\n'%s'\nsaw\n'%s'\n", test.expectedOutput, buffer.String())
}
})
}
}

37
pkg/printers/humanreadable_test.go
View File

@ -48,7 +48,8 @@ func testPrintNamespace(obj *api.Namespace, options PrintOptions) ([]metav1beta1
func TestPrintRowsForHandlerEntry(t *testing.T) {
printFunc := reflect.ValueOf(testPrintNamespace)
testCase := map[string]struct {
testCase := []struct {
name string
h *handlerEntry
opt PrintOptions
obj runtime.Object
@ -56,7 +57,8 @@ func TestPrintRowsForHandlerEntry(t *testing.T) {
expectOut string
expectErr string
}{
"no tablecolumndefinition and includeheader flase": {
{
name: "no tablecolumndefinition and includeheader flase",
h: &handlerEntry{
columnDefinitions: []metav1beta1.TableColumnDefinition{},
printRows: true,
@ -69,7 +71,8 @@ func TestPrintRowsForHandlerEntry(t *testing.T) {
includeHeader: false,
expectOut: "test\t\t<unknow>\n",
},
"no tablecolumndefinition and includeheader true": {
{
name: "no tablecolumndefinition and includeheader true",
h: &handlerEntry{
columnDefinitions: []metav1beta1.TableColumnDefinition{},
printRows: true,
@ -82,7 +85,8 @@ func TestPrintRowsForHandlerEntry(t *testing.T) {
includeHeader: true,
expectOut: "\ntest\t\t<unknow>\n",
},
"have tablecolumndefinition and includeheader true": {
{
name: "have tablecolumndefinition and includeheader true",
h: &handlerEntry{
columnDefinitions: testNamespaceColumnDefinitions,
printRows: true,
@ -95,7 +99,8 @@ func TestPrintRowsForHandlerEntry(t *testing.T) {
includeHeader: true,
expectOut: "NAME\tSTATUS\tAGE\ntest\t\t<unknow>\n",
},
"print namespace and withnamespace true, should not print header": {
{
name: "print namespace and withnamespace true, should not print header",
h: &handlerEntry{
columnDefinitions: testNamespaceColumnDefinitions,
printRows: true,
@ -112,16 +117,18 @@ func TestPrintRowsForHandlerEntry(t *testing.T) {
expectErr: "namespace is not namespaced",
},
}
for name, test := range testCase {
buffer := &bytes.Buffer{}
err := printRowsForHandlerEntry(buffer, test.h, test.obj, test.opt, test.includeHeader)
if err != nil {
if err.Error() != test.expectErr {
t.Errorf("[%s]expect:\n %v\n but got:\n %v\n", name, test.expectErr, err)
for _, test := range testCase {
t.Run(test.name, func(t *testing.T) {
buffer := &bytes.Buffer{}
err := printRowsForHandlerEntry(buffer, test.h, test.obj, test.opt, test.includeHeader)
if err != nil {
if err.Error() != test.expectErr {
t.Errorf("[%s]expect:\n %v\n but got:\n %v\n", test.name, test.expectErr, err)
}
}
}
if test.expectOut != buffer.String() {
t.Errorf("[%s]expect:\n %v\n but got:\n %v\n", name, test.expectOut, buffer.String())
}
if test.expectOut != buffer.String() {
t.Errorf("[%s]expect:\n %v\n but got:\n %v\n", test.name, test.expectOut, buffer.String())
}
})
}
}

267
pkg/printers/internalversion/describe_test.go
View File

@ -283,10 +283,12 @@ func getResourceList(cpu, memory string) api.ResourceList {
func TestDescribeService(t *testing.T) {
testCases := []struct {
name string
service *api.Service
expect []string
}{
{
name: "test1",
service: &api.Service{
ObjectMeta: metav1.ObjectMeta{
Name: "bar",
@ -324,6 +326,7 @@ func TestDescribeService(t *testing.T) {
},
},
{
name: "test2",
service: &api.Service{
ObjectMeta: metav1.ObjectMeta{
Name: "bar",
@ -362,18 +365,20 @@ func TestDescribeService(t *testing.T) {
},
}
for _, testCase := range testCases {
fake := fake.NewSimpleClientset(testCase.service)
c := &describeClient{T: t, Namespace: "foo", Interface: fake}
d := ServiceDescriber{c}
out, err := d.Describe("foo", "bar", printers.DescriberSettings{ShowEvents: true})
if err != nil {
t.Errorf("unexpected error: %v", err)
}
for _, expected := range testCase.expect {
if !strings.Contains(out, expected) {
t.Errorf("expected to find %q in output: %q", expected, out)
t.Run(testCase.name, func(t *testing.T) {
fake := fake.NewSimpleClientset(testCase.service)
c := &describeClient{T: t, Namespace: "foo", Interface: fake}
d := ServiceDescriber{c}
out, err := d.Describe("foo", "bar", printers.DescriberSettings{ShowEvents: true})
if err != nil {
t.Errorf("unexpected error: %v", err)
}
}
for _, expected := range testCase.expect {
if !strings.Contains(out, expected) {
t.Errorf("expected to find %q in output: %q", expected, out)
}
}
})
}
}
@ -453,12 +458,14 @@ func VerifyDatesInOrder(
func TestDescribeContainers(t *testing.T) {
trueVal := true
testCases := []struct {
name string
container api.Container
status api.ContainerStatus
expectedElements []string
}{
// Running state.
{
name: "test1",
container: api.Container{Name: "test", Image: "image"},
status: api.ContainerStatus{
Name: "test",
@ -474,6 +481,7 @@ func TestDescribeContainers(t *testing.T) {
},
// Waiting state.
{
name: "test2",
container: api.Container{Name: "test", Image: "image"},
status: api.ContainerStatus{
Name: "test",
@ -489,6 +497,7 @@ func TestDescribeContainers(t *testing.T) {
},
// Terminated state.
{
name: "test3",
container: api.Container{Name: "test", Image: "image"},
status: api.ContainerStatus{
Name: "test",
@ -507,6 +516,7 @@ func TestDescribeContainers(t *testing.T) {
},
// Last Terminated
{
name: "test4",
container: api.Container{Name: "test", Image: "image"},
status: api.ContainerStatus{
Name: "test",
@ -530,6 +540,7 @@ func TestDescribeContainers(t *testing.T) {
},
// No state defaults to waiting.
{
name: "test5",
container: api.Container{Name: "test", Image: "image"},
status: api.ContainerStatus{
Name: "test",
@ -540,6 +551,7 @@ func TestDescribeContainers(t *testing.T) {
},
// Env
{
name: "test6",
container: api.Container{Name: "test", Image: "image", Env: []api.EnvVar{{Name: "envname", Value: "xyz"}}, EnvFrom: []api.EnvFromSource{{ConfigMapRef: &api.ConfigMapEnvSource{LocalObjectReference: api.LocalObjectReference{Name: "a123"}}}}},
status: api.ContainerStatus{
Name: "test",
@ -549,6 +561,7 @@ func TestDescribeContainers(t *testing.T) {
expectedElements: []string{"test", "State", "Waiting", "Ready", "True", "Restart Count", "7", "Image", "image", "envname", "xyz", "a123\tConfigMap\tOptional: false"},
},
{
name: "test7",
container: api.Container{Name: "test", Image: "image", Env: []api.EnvVar{{Name: "envname", Value: "xyz"}}, EnvFrom: []api.EnvFromSource{{Prefix: "p_", ConfigMapRef: &api.ConfigMapEnvSource{LocalObjectReference: api.LocalObjectReference{Name: "a123"}}}}},
status: api.ContainerStatus{
Name: "test",
@ -558,6 +571,7 @@ func TestDescribeContainers(t *testing.T) {
expectedElements: []string{"test", "State", "Waiting", "Ready", "True", "Restart Count", "7", "Image", "image", "envname", "xyz", "a123\tConfigMap with prefix 'p_'\tOptional: false"},
},
{
name: "test8",
container: api.Container{Name: "test", Image: "image", Env: []api.EnvVar{{Name: "envname", Value: "xyz"}}, EnvFrom: []api.EnvFromSource{{ConfigMapRef: &api.ConfigMapEnvSource{Optional: &trueVal, LocalObjectReference: api.LocalObjectReference{Name: "a123"}}}}},
status: api.ContainerStatus{
Name: "test",
@ -567,6 +581,7 @@ func TestDescribeContainers(t *testing.T) {
expectedElements: []string{"test", "State", "Waiting", "Ready", "True", "Restart Count", "7", "Image", "image", "envname", "xyz", "a123\tConfigMap\tOptional: true"},
},
{
name: "test9",
container: api.Container{Name: "test", Image: "image", Env: []api.EnvVar{{Name: "envname", Value: "xyz"}}, EnvFrom: []api.EnvFromSource{{SecretRef: &api.SecretEnvSource{LocalObjectReference: api.LocalObjectReference{Name: "a123"}, Optional: &trueVal}}}},
status: api.ContainerStatus{
Name: "test",
@ -576,6 +591,7 @@ func TestDescribeContainers(t *testing.T) {
expectedElements: []string{"test", "State", "Waiting", "Ready", "True", "Restart Count", "7", "Image", "image", "envname", "xyz", "a123\tSecret\tOptional: true"},
},
{
name: "test10",
container: api.Container{Name: "test", Image: "image", Env: []api.EnvVar{{Name: "envname", Value: "xyz"}}, EnvFrom: []api.EnvFromSource{{Prefix: "p_", SecretRef: &api.SecretEnvSource{LocalObjectReference: api.LocalObjectReference{Name: "a123"}}}}},
status: api.ContainerStatus{
Name: "test",
@ -586,6 +602,7 @@ func TestDescribeContainers(t *testing.T) {
},
// Command
{
name: "test11",
container: api.Container{Name: "test", Image: "image", Command: []string{"sleep", "1000"}},
status: api.ContainerStatus{
Name: "test",
@ -596,6 +613,7 @@ func TestDescribeContainers(t *testing.T) {
},
// Args
{
name: "test12",
container: api.Container{Name: "test", Image: "image", Args: []string{"time", "1000"}},
status: api.ContainerStatus{
Name: "test",
@ -606,6 +624,7 @@ func TestDescribeContainers(t *testing.T) {
},
// Using limits.
{
name: "test13",
container: api.Container{
Name: "test",
Image: "image",
@ -626,6 +645,7 @@ func TestDescribeContainers(t *testing.T) {
},
// Using requests.
{
name: "test14",
container: api.Container{
Name: "test",
Image: "image",
@ -641,6 +661,7 @@ func TestDescribeContainers(t *testing.T) {
},
// volumeMounts read/write
{
name: "test15",
container: api.Container{
Name: "test",
Image: "image",
@ -655,6 +676,7 @@ func TestDescribeContainers(t *testing.T) {
},
// volumeMounts readonly
{
name: "test16",
container: api.Container{
Name: "test",
Image: "image",
@ -671,6 +693,7 @@ func TestDescribeContainers(t *testing.T) {
// volumeDevices
{
name: "test17",
container: api.Container{
Name: "test",
Image: "image",
@ -686,23 +709,25 @@ func TestDescribeContainers(t *testing.T) {
}
for i, testCase := range testCases {
out := new(bytes.Buffer)
pod := api.Pod{
Spec: api.PodSpec{
Containers: []api.Container{testCase.container},
},
Status: api.PodStatus{
ContainerStatuses: []api.ContainerStatus{testCase.status},
},
}
writer := NewPrefixWriter(out)
describeContainers("Containers", pod.Spec.Containers, pod.Status.ContainerStatuses, EnvValueRetriever(&pod), writer, "")
output := out.String()
for _, expected := range testCase.expectedElements {
if !strings.Contains(output, expected) {
t.Errorf("Test case %d: expected to find %q in output: %q", i, expected, output)
t.Run(testCase.name, func(t *testing.T) {
out := new(bytes.Buffer)
pod := api.Pod{
Spec: api.PodSpec{
Containers: []api.Container{testCase.container},
},
Status: api.PodStatus{
ContainerStatuses: []api.ContainerStatus{testCase.status},
},
}
}
writer := NewPrefixWriter(out)
describeContainers("Containers", pod.Spec.Containers, pod.Status.ContainerStatuses, EnvValueRetriever(&pod), writer, "")
output := out.String()
for _, expected := range testCase.expectedElements {
if !strings.Contains(output, expected) {
t.Errorf("Test case %d: expected to find %q in output: %q", i, expected, output)
}
}
})
}
}
@ -788,10 +813,12 @@ func TestDefaultDescribers(t *testing.T) {
func TestGetPodsTotalRequests(t *testing.T) {
testCases := []struct {
name string
pods *api.PodList
expectedReqs map[api.ResourceName]resource.Quantity
}{
{
name: "test1",
pods: &api.PodList{
Items: []api.Pod{
{
@ -853,10 +880,12 @@ func TestGetPodsTotalRequests(t *testing.T) {
}
for _, testCase := range testCases {
reqs, _ := getPodsTotalRequestsAndLimits(testCase.pods)
if !apiequality.Semantic.DeepEqual(reqs, testCase.expectedReqs) {
t.Errorf("Expected %v, got %v", testCase.expectedReqs, reqs)
}
t.Run(testCase.name, func(t *testing.T) {
reqs, _ := getPodsTotalRequestsAndLimits(testCase.pods)
if !apiequality.Semantic.DeepEqual(reqs, testCase.expectedReqs) {
t.Errorf("Expected %v, got %v", testCase.expectedReqs, reqs)
}
})
}
}
@ -864,12 +893,14 @@ func TestPersistentVolumeDescriber(t *testing.T) {
block := api.PersistentVolumeBlock
file := api.PersistentVolumeFilesystem
testCases := []struct {
name string
plugin string
pv *api.PersistentVolume
expectedElements []string
unexpectedElements []string
}{
{
name: "test0",
plugin: "hostpath",
pv: &api.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{Name: "bar"},
@ -882,6 +913,7 @@ func TestPersistentVolumeDescriber(t *testing.T) {
unexpectedElements: []string{"VolumeMode", "Filesystem"},
},
{
name: "test1",
plugin: "gce",
pv: &api.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{Name: "bar"},
@ -895,6 +927,7 @@ func TestPersistentVolumeDescriber(t *testing.T) {
expectedElements: []string{"VolumeMode", "Filesystem"},
},
{
name: "test2",
plugin: "ebs",
pv: &api.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{Name: "bar"},
@ -907,6 +940,7 @@ func TestPersistentVolumeDescriber(t *testing.T) {
unexpectedElements: []string{"VolumeMode", "Filesystem"},
},
{
name: "test3",
plugin: "nfs",
pv: &api.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{Name: "bar"},
@ -919,6 +953,7 @@ func TestPersistentVolumeDescriber(t *testing.T) {
unexpectedElements: []string{"VolumeMode", "Filesystem"},
},
{
name: "test4",
plugin: "iscsi",
pv: &api.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{Name: "bar"},
@ -932,6 +967,7 @@ func TestPersistentVolumeDescriber(t *testing.T) {
expectedElements: []string{"VolumeMode", "Block"},
},
{
name: "test5",
plugin: "gluster",
pv: &api.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{Name: "bar"},
@ -944,6 +980,7 @@ func TestPersistentVolumeDescriber(t *testing.T) {
unexpectedElements: []string{"VolumeMode", "Filesystem"},
},
{
name: "test6",
plugin: "rbd",
pv: &api.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{Name: "bar"},
@ -956,6 +993,7 @@ func TestPersistentVolumeDescriber(t *testing.T) {
unexpectedElements: []string{"VolumeMode", "Filesystem"},
},
{
name: "test7",
plugin: "quobyte",
pv: &api.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{Name: "bar"},
@ -968,6 +1006,7 @@ func TestPersistentVolumeDescriber(t *testing.T) {
unexpectedElements: []string{"VolumeMode", "Filesystem"},
},
{
name: "test8",
plugin: "cinder",
pv: &api.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{Name: "bar"},
@ -980,6 +1019,7 @@ func TestPersistentVolumeDescriber(t *testing.T) {
unexpectedElements: []string{"VolumeMode", "Filesystem"},
},
{
name: "test9",
plugin: "fc",
pv: &api.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{Name: "bar"},
@ -993,6 +1033,7 @@ func TestPersistentVolumeDescriber(t *testing.T) {
expectedElements: []string{"VolumeMode", "Block"},
},
{
name: "test10",
plugin: "local",
pv: &api.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{Name: "bar"},
@ -1006,6 +1047,7 @@ func TestPersistentVolumeDescriber(t *testing.T) {
unexpectedElements: []string{"Required Terms", "Term "},
},
{
name: "test11",
plugin: "local",
pv: &api.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{Name: "bar"},
@ -1020,6 +1062,7 @@ func TestPersistentVolumeDescriber(t *testing.T) {
unexpectedElements: []string{"Required Terms", "Term "},
},
{
name: "test12",
plugin: "local",
pv: &api.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{Name: "bar"},
@ -1036,6 +1079,7 @@ func TestPersistentVolumeDescriber(t *testing.T) {
unexpectedElements: []string{"Term "},
},
{
name: "test13",
plugin: "local",
pv: &api.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{Name: "bar"},
@ -1060,6 +1104,7 @@ func TestPersistentVolumeDescriber(t *testing.T) {
expectedElements: []string{"Node Affinity", "Required Terms", "Term 0", "Term 1"},
},
{
name: "test14",
plugin: "local",
pv: &api.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{Name: "bar"},
@ -1095,25 +1140,27 @@ func TestPersistentVolumeDescriber(t *testing.T) {
}
for _, test := range testCases {
fake := fake.NewSimpleClientset(test.pv)
c := PersistentVolumeDescriber{fake}
str, err := c.Describe("foo", "bar", printers.DescriberSettings{ShowEvents: true})
if err != nil {
t.Errorf("Unexpected error for test %s: %v", test.plugin, err)
}
if str == "" {
t.Errorf("Unexpected empty string for test %s. Expected PV Describer output", test.plugin)
}
for _, expected := range test.expectedElements {
if !strings.Contains(str, expected) {
t.Errorf("expected to find %q in output: %q", expected, str)
t.Run(test.name, func(t *testing.T) {
fake := fake.NewSimpleClientset(test.pv)
c := PersistentVolumeDescriber{fake}
str, err := c.Describe("foo", "bar", printers.DescriberSettings{ShowEvents: true})
if err != nil {
t.Errorf("Unexpected error for test %s: %v", test.plugin, err)
}
}
for _, unexpected := range test.unexpectedElements {
if strings.Contains(str, unexpected) {
t.Errorf("unexpected to find %q in output: %q", unexpected, str)
if str == "" {
t.Errorf("Unexpected empty string for test %s. Expected PV Describer output", test.plugin)
}
}
for _, expected := range test.expectedElements {
if !strings.Contains(str, expected) {
t.Errorf("expected to find %q in output: %q", expected, str)
}
}
for _, unexpected := range test.unexpectedElements {
if strings.Contains(str, unexpected) {
t.Errorf("unexpected to find %q in output: %q", unexpected, str)
}
}
})
}
}
@ -1272,25 +1319,27 @@ func TestPersistentVolumeClaimDescriber(t *testing.T) {
}
for _, test := range testCases {
fake := fake.NewSimpleClientset(test.pvc)
c := PersistentVolumeClaimDescriber{fake}
str, err := c.Describe("foo", "bar", printers.DescriberSettings{ShowEvents: true})
if err != nil {
t.Errorf("Unexpected error for test %s: %v", test.name, err)
}
if str == "" {
t.Errorf("Unexpected empty string for test %s. Expected PVC Describer output", test.name)
}
for _, expected := range test.expectedElements {
if !strings.Contains(str, expected) {
t.Errorf("expected to find %q in output: %q", expected, str)
t.Run(test.name, func(t *testing.T) {
fake := fake.NewSimpleClientset(test.pvc)
c := PersistentVolumeClaimDescriber{fake}
str, err := c.Describe("foo", "bar", printers.DescriberSettings{ShowEvents: true})
if err != nil {
t.Errorf("Unexpected error for test %s: %v", test.name, err)
}
}
for _, unexpected := range test.unexpectedElements {
if strings.Contains(str, unexpected) {
t.Errorf("unexpected to find %q in output: %q", unexpected, str)
if str == "" {
t.Errorf("Unexpected empty string for test %s. Expected PVC Describer output", test.name)
}
}
for _, expected := range test.expectedElements {
if !strings.Contains(str, expected) {
t.Errorf("expected to find %q in output: %q", expected, str)
}
}
for _, unexpected := range test.unexpectedElements {
if strings.Contains(str, unexpected) {
t.Errorf("unexpected to find %q in output: %q", unexpected, str)
}
}
})
}
}
@ -1880,20 +1929,22 @@ func TestDescribeHorizontalPodAutoscaler(t *testing.T) {
}
for _, test := range tests {
test.hpa.ObjectMeta = metav1.ObjectMeta{
Name: "bar",
Namespace: "foo",
}
fake := fake.NewSimpleClientset(&test.hpa)
desc := HorizontalPodAutoscalerDescriber{fake}
str, err := desc.Describe("foo", "bar", printers.DescriberSettings{ShowEvents: true})
if err != nil {
t.Errorf("Unexpected error for test %s: %v", test.name, err)
}
if str == "" {
t.Errorf("Unexpected empty string for test %s. Expected HPA Describer output", test.name)
}
t.Logf("Description for %q:\n%s", test.name, str)
t.Run(test.name, func(t *testing.T) {
test.hpa.ObjectMeta = metav1.ObjectMeta{
Name: "bar",
Namespace: "foo",
}
fake := fake.NewSimpleClientset(&test.hpa)
desc := HorizontalPodAutoscalerDescriber{fake}
str, err := desc.Describe("foo", "bar", printers.DescriberSettings{ShowEvents: true})
if err != nil {
t.Errorf("Unexpected error for test %s: %v", test.name, err)
}
if str == "" {
t.Errorf("Unexpected empty string for test %s. Expected HPA Describer output", test.name)
}
t.Logf("Description for %q:\n%s", test.name, str)
})
}
}
@ -2023,27 +2074,29 @@ func TestDescribeEvents(t *testing.T) {
}
for name, d := range m {
out, err := d.Describe("foo", "bar", printers.DescriberSettings{ShowEvents: true})
if err != nil {
t.Errorf("unexpected error for %q: %v", name, err)
}
if !strings.Contains(out, "bar") {
t.Errorf("unexpected out for %q: %s", name, out)
}
if !strings.Contains(out, "Events:") {
t.Errorf("events not found for %q when ShowEvents=true: %s", name, out)
}
t.Run(name, func(t *testing.T) {
out, err := d.Describe("foo", "bar", printers.DescriberSettings{ShowEvents: true})
if err != nil {
t.Errorf("unexpected error for %q: %v", name, err)
}
if !strings.Contains(out, "bar") {
t.Errorf("unexpected out for %q: %s", name, out)
}
if !strings.Contains(out, "Events:") {
t.Errorf("events not found for %q when ShowEvents=true: %s", name, out)
}
out, err = d.Describe("foo", "bar", printers.DescriberSettings{ShowEvents: false})
if err != nil {
t.Errorf("unexpected error for %q: %s", name, err)
}
if !strings.Contains(out, "bar") {
t.Errorf("unexpected out for %q: %s", name, out)
}
if strings.Contains(out, "Events:") {
t.Errorf("events found for %q when ShowEvents=false: %s", name, out)
}
out, err = d.Describe("foo", "bar", printers.DescriberSettings{ShowEvents: false})
if err != nil {
t.Errorf("unexpected error for %q: %s", name, err)
}
if !strings.Contains(out, "bar") {
t.Errorf("unexpected out for %q: %s", name, out)
}
if strings.Contains(out, "Events:") {
t.Errorf("events found for %q when ShowEvents=false: %s", name, out)
}
})
}
}
@ -2071,13 +2124,15 @@ func TestPrintLabelsMultiline(t *testing.T) {
},
}
for i, testCase := range testCases {
out := new(bytes.Buffer)
writer := NewPrefixWriter(out)
printAnnotationsMultiline(writer, "Annotations", testCase.annotations)
output := out.String()
if output != testCase.expectPrint {
t.Errorf("Test case %d: expected to find %q in output: %q", i, testCase.expectPrint, output)
}
t.Run(testCase.expectPrint, func(t *testing.T) {
out := new(bytes.Buffer)
writer := NewPrefixWriter(out)
printAnnotationsMultiline(writer, "Annotations", testCase.annotations)
output := out.String()
if output != testCase.expectPrint {
t.Errorf("Test case %d: expected to find %q in output: %q", i, testCase.expectPrint, output)
}
})
}
}

69
pkg/printers/template_test.go
View File

@ -26,13 +26,15 @@ import (
)
func TestTemplate(t *testing.T) {
testCase := map[string]struct {
testCase := []struct {
name string
template string
obj runtime.Object
expectOut string
expectErr func(error) (string, bool)
}{
"support base64 decoding of secret data": {
{
name: "support base64 decoding of secret data",
template: "{{ .data.username | base64decode }}",
obj: &v1.Secret{
Data: map[string][]byte{
@ -41,7 +43,8 @@ func TestTemplate(t *testing.T) {
},
expectOut: "hunter",
},
"test error path for base64 decoding": {
{
name: "test error path for base64 decoding",
template: "{{ .data.username | base64decode }}",
obj: &badlyMarshaledSecret{},
expectErr: func(err error) (string, bool) {
@ -50,41 +53,43 @@ func TestTemplate(t *testing.T) {
},
},
}
for name, test := range testCase {
buffer := &bytes.Buffer{}
for _, test := range testCase {
t.Run(test.name, func(t *testing.T) {
buffer := &bytes.Buffer{}
p, err := NewGoTemplatePrinter([]byte(test.template))
if err != nil {
if test.expectErr == nil {
t.Errorf("[%s]expected success but got:\n %v\n", name, err)
continue
p, err := NewGoTemplatePrinter([]byte(test.template))
if err != nil {
if test.expectErr == nil {
t.Errorf("[%s]expected success but got:\n %v\n", test.name, err)
return
}
if expected, ok := test.expectErr(err); !ok {
t.Errorf("[%s]expect:\n %v\n but got:\n %v\n", test.name, expected, err)
}
return
}
if expected, ok := test.expectErr(err); !ok {
t.Errorf("[%s]expect:\n %v\n but got:\n %v\n", name, expected, err)
}
continue
}
err = p.PrintObj(test.obj, buffer)
if err != nil {
if test.expectErr == nil {
t.Errorf("[%s]expected success but got:\n %v\n", name, err)
continue
err = p.PrintObj(test.obj, buffer)
if err != nil {
if test.expectErr == nil {
t.Errorf("[%s]expected success but got:\n %v\n", test.name, err)
return
}
if expected, ok := test.expectErr(err); !ok {
t.Errorf("[%s]expect:\n %v\n but got:\n %v\n", test.name, expected, err)
}
return
}
if expected, ok := test.expectErr(err); !ok {
t.Errorf("[%s]expect:\n %v\n but got:\n %v\n", name, expected, err)
if test.expectErr != nil {
t.Errorf("[%s]expect:\n error\n but got:\n no error\n", test.name)
return
}
continue
}
if test.expectErr != nil {
t.Errorf("[%s]expect:\n error\n but got:\n no error\n", name)
continue
}
if test.expectOut != buffer.String() {
t.Errorf("[%s]expect:\n %v\n but got:\n %v\n", name, test.expectOut, buffer.String())
}
if test.expectOut != buffer.String() {
t.Errorf("[%s]expect:\n %v\n but got:\n %v\n", test.name, test.expectOut, buffer.String())
}
})
}
}