jsonpath user guide docs
This commit is contained in:
Dai Zuozhuo
@@ -77,14 +77,6 @@ func TestVersionedPrinter(t *testing.T) {
|
||||
}
|
||||
}
|
||||
|
||||
func TestYAMLPrinter(t *testing.T) {
|
||||
testPrinter(t, &YAMLPrinter{}, yaml.Unmarshal)
|
||||
}
|
||||
|
||||
func TestJSONPrinter(t *testing.T) {
|
||||
testPrinter(t, &JSONPrinter{}, json.Unmarshal)
|
||||
}
|
||||
|
||||
func TestPrintDefault(t *testing.T) {
|
||||
printer, found, err := GetPrinter("", "")
|
||||
if err != nil {
|
||||
@@ -95,107 +87,72 @@ func TestPrintDefault(t *testing.T) {
|
||||
}
|
||||
}
|
||||
|
||||
type internalType struct {
|
||||
Name string
|
||||
type TestPrintType struct {
|
||||
Data string
|
||||
}
|
||||
|
||||
func (*internalType) IsAnAPIObject() {
|
||||
func (*TestPrintType) IsAnAPIObject() {}
|
||||
|
||||
}
|
||||
type TestUnknownType struct{}
|
||||
|
||||
func TestPrintJSONForObject(t *testing.T) {
|
||||
buf := bytes.NewBuffer([]byte{})
|
||||
printer, found, err := GetPrinter("json", "")
|
||||
if err != nil || !found {
|
||||
t.Fatalf("unexpected error: %#v", err)
|
||||
}
|
||||
if err := printer.PrintObj(&internalType{Name: "foo"}, buf); err != nil {
|
||||
t.Fatalf("unexpected error: %#v", err)
|
||||
}
|
||||
obj := map[string]interface{}{}
|
||||
if err := json.Unmarshal(buf.Bytes(), &obj); err != nil {
|
||||
t.Fatalf("unexpected error: %#v\n%s", err, buf.String())
|
||||
}
|
||||
if obj["Name"] != "foo" {
|
||||
t.Errorf("unexpected field: %#v", obj)
|
||||
}
|
||||
}
|
||||
func (*TestUnknownType) IsAnAPIObject() {}
|
||||
|
||||
func TestPrintJSON(t *testing.T) {
|
||||
buf := bytes.NewBuffer([]byte{})
|
||||
printer, found, err := GetPrinter("json", "")
|
||||
if err != nil || !found {
|
||||
t.Fatalf("unexpected error: %#v", err)
|
||||
}
|
||||
printer.PrintObj(&api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo"}}, buf)
|
||||
obj := map[string]interface{}{}
|
||||
if err := json.Unmarshal(buf.Bytes(), &obj); err != nil {
|
||||
t.Errorf("unexpected error: %#v\n%s", err, buf.String())
|
||||
}
|
||||
}
|
||||
|
||||
func TestPrintYAML(t *testing.T) {
|
||||
buf := bytes.NewBuffer([]byte{})
|
||||
printer, found, err := GetPrinter("yaml", "")
|
||||
if err != nil || !found {
|
||||
t.Fatalf("unexpected error: %#v", err)
|
||||
}
|
||||
printer.PrintObj(&api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo"}}, buf)
|
||||
obj := map[string]interface{}{}
|
||||
if err := yaml.Unmarshal(buf.Bytes(), &obj); err != nil {
|
||||
t.Errorf("unexpected error: %#v\n%s", err, buf.String())
|
||||
}
|
||||
}
|
||||
|
||||
func TestPrintTemplate(t *testing.T) {
|
||||
buf := bytes.NewBuffer([]byte{})
|
||||
printer, found, err := GetPrinter("template", "{{if .id}}{{.id}}{{end}}{{if .metadata.name}}{{.metadata.name}}{{end}}")
|
||||
if err != nil || !found {
|
||||
t.Fatalf("unexpected error: %#v", err)
|
||||
}
|
||||
unversionedPod := &api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo"}}
|
||||
obj, err := api.Scheme.ConvertToVersion(unversionedPod, testapi.Version())
|
||||
err = printer.PrintObj(obj, buf)
|
||||
func TestPrinter(t *testing.T) {
|
||||
//test inputs
|
||||
simpleTest := &TestPrintType{"foo"}
|
||||
podTest := &api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo"}}
|
||||
testapi, err := api.Scheme.ConvertToVersion(podTest, testapi.Version())
|
||||
if err != nil {
|
||||
t.Fatalf("unexpected error: %#v", err)
|
||||
t.Fatalf("unexpected error: %v", err)
|
||||
}
|
||||
if buf.String() != "foo" {
|
||||
t.Errorf("unexpected output: %s", buf.String())
|
||||
|
||||
printerTests := []struct {
|
||||
Name string
|
||||
Format string
|
||||
FormatArgument string
|
||||
Input runtime.Object
|
||||
Expect string
|
||||
}{
|
||||
{"test json", "json", "", simpleTest, "{\n \"Data\": \"foo\"\n}\n"},
|
||||
{"test yaml", "yaml", "", simpleTest, "Data: foo\n"},
|
||||
{"test template", "template", "{{if .id}}{{.id}}{{end}}{{if .metadata.name}}{{.metadata.name}}{{end}}",
|
||||
podTest, "foo"},
|
||||
{"test jsonpath", "jsonpath", "{.metadata.name}", podTest, "foo"},
|
||||
{"emits versioned objects", "template", "{{.kind}}", testapi, "Pod"},
|
||||
}
|
||||
for _, test := range printerTests {
|
||||
buf := bytes.NewBuffer([]byte{})
|
||||
printer, found, err := GetPrinter(test.Format, test.FormatArgument)
|
||||
if err != nil || !found {
|
||||
t.Errorf("unexpected error: %#v", err)
|
||||
}
|
||||
if err := printer.PrintObj(test.Input, buf); err != nil {
|
||||
t.Errorf("unexpected error: %#v", err)
|
||||
}
|
||||
if buf.String() != test.Expect {
|
||||
t.Errorf("in %s, expect %q, got %q", test.Name, test.Expect, buf.String(), buf.String())
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
func TestPrintJSONPath(t *testing.T) {
|
||||
buf := bytes.NewBuffer([]byte{})
|
||||
printer, found, err := GetPrinter("jsonpath", "{.metadata.name}")
|
||||
if err != nil || !found {
|
||||
t.Fatalf("unexpected error: %#v", err)
|
||||
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")},
|
||||
}
|
||||
unversionedPod := &api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo"}}
|
||||
obj, err := api.Scheme.ConvertToVersion(unversionedPod, testapi.Version())
|
||||
err = printer.PrintObj(obj, buf)
|
||||
if err != nil {
|
||||
t.Fatalf("unexpected error: %s %#v", buf, err)
|
||||
}
|
||||
if buf.String() != "foo" {
|
||||
t.Errorf("unexpected output: %s", buf.String())
|
||||
}
|
||||
}
|
||||
|
||||
func TestPrintEmptyTemplate(t *testing.T) {
|
||||
if _, _, err := GetPrinter("template", ""); err == nil {
|
||||
t.Errorf("unexpected non-error")
|
||||
}
|
||||
}
|
||||
|
||||
func TestPrintBadTemplate(t *testing.T) {
|
||||
if _, _, err := GetPrinter("template", "{{ .Name"); err == nil {
|
||||
t.Errorf("unexpected non-error")
|
||||
}
|
||||
}
|
||||
|
||||
func TestPrintBadTemplateFile(t *testing.T) {
|
||||
if _, _, err := GetPrinter("templatefile", ""); err == nil {
|
||||
t.Errorf("unexpected non-error")
|
||||
for _, test := range badPrinterTests {
|
||||
_, _, err := GetPrinter(test.Format, test.FormatArgument)
|
||||
if err == nil || err.Error() != test.Error.Error() {
|
||||
t.Errorf("in %s, expect %s, got %s", test.Name, test.Error, err)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@@ -244,15 +201,13 @@ func testPrinter(t *testing.T, printer ResourcePrinter, unmarshalFunc func(data
|
||||
}
|
||||
}
|
||||
|
||||
type TestPrintType struct {
|
||||
Data string
|
||||
func TestYAMLPrinter(t *testing.T) {
|
||||
testPrinter(t, &YAMLPrinter{}, yaml.Unmarshal)
|
||||
}
|
||||
|
||||
func (*TestPrintType) IsAnAPIObject() {}
|
||||
|
||||
type TestUnknownType struct{}
|
||||
|
||||
func (*TestUnknownType) IsAnAPIObject() {}
|
||||
func TestJSONPrinter(t *testing.T) {
|
||||
testPrinter(t, &JSONPrinter{}, json.Unmarshal)
|
||||
}
|
||||
|
||||
func PrintCustomType(obj *TestPrintType, w io.Writer, withNamespace bool, wide bool, showAll bool, columnLabels []string) error {
|
||||
_, err := fmt.Fprintf(w, "%s", obj.Data)
|
||||
@@ -301,27 +256,6 @@ func TestUnknownTypePrinting(t *testing.T) {
|
||||
}
|
||||
}
|
||||
|
||||
func TestTemplateEmitsVersionedObjects(t *testing.T) {
|
||||
// kind is always blank in memory and set on the wire
|
||||
printer, err := NewTemplatePrinter([]byte(`{{.kind}}`))
|
||||
if err != nil {
|
||||
t.Fatalf("tmpl fail: %v", err)
|
||||
}
|
||||
obj, err := api.Scheme.ConvertToVersion(&api.Pod{}, testapi.Version())
|
||||
if err != nil {
|
||||
t.Fatalf("unexpected error: %v", err)
|
||||
}
|
||||
|
||||
buffer := &bytes.Buffer{}
|
||||
err = printer.PrintObj(obj, buffer)
|
||||
if err != nil {
|
||||
t.Fatalf("print fail: %v", err)
|
||||
}
|
||||
if e, a := "Pod", string(buffer.Bytes()); e != a {
|
||||
t.Errorf("Expected %v, got %v", e, a)
|
||||
}
|
||||
}
|
||||
|
||||
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))
|
||||
|
||||
Reference in New Issue
Block a user