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88 lines
2.7 KiB
Go
88 lines
2.7 KiB
Go
/*
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Copyright 2019 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package printers
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import (
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"fmt"
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"reflect"
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"testing"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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metav1beta1 "k8s.io/apimachinery/pkg/apis/meta/v1beta1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/runtime/schema"
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)
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type TestPrintType struct {
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Data string
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}
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func (obj *TestPrintType) GetObjectKind() schema.ObjectKind { return schema.EmptyObjectKind }
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func (obj *TestPrintType) DeepCopyObject() runtime.Object {
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if obj == nil {
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return nil
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}
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clone := *obj
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return &clone
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}
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func PrintCustomType(obj *TestPrintType, options GenerateOptions) ([]metav1beta1.TableRow, error) {
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return []metav1beta1.TableRow{{Cells: []interface{}{obj.Data}}}, nil
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}
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func ErrorPrintHandler(obj *TestPrintType, options GenerateOptions) ([]metav1beta1.TableRow, error) {
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return nil, fmt.Errorf("ErrorPrintHandler error")
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}
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func TestCustomTypePrinting(t *testing.T) {
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columns := []metav1beta1.TableColumnDefinition{{Name: "Data"}}
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generator := NewTableGenerator()
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err := generator.TableHandler(columns, PrintCustomType)
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if err != nil {
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t.Fatalf("An error occurred when adds a print handler with a given set of columns: %#v", err)
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}
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obj := TestPrintType{"test object"}
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table, err := generator.GenerateTable(&obj, GenerateOptions{})
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if err != nil {
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t.Fatalf("An error occurred generating the table for custom type: %#v", err)
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}
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expectedTable := &metav1.Table{
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ColumnDefinitions: []metav1.TableColumnDefinition{{Name: "Data"}},
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Rows: []metav1.TableRow{{Cells: []interface{}{"test object"}}},
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}
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if !reflect.DeepEqual(expectedTable, table) {
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t.Errorf("Error generating table from custom type. Expected (%#v), got (%#v)", expectedTable, table)
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}
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}
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func TestPrintHandlerError(t *testing.T) {
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columns := []metav1beta1.TableColumnDefinition{{Name: "Data"}}
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generator := NewTableGenerator()
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err := generator.TableHandler(columns, ErrorPrintHandler)
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if err != nil {
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t.Fatalf("An error occurred when adds a print handler with a given set of columns: %#v", err)
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}
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obj := TestPrintType{"test object"}
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_, err = generator.GenerateTable(&obj, GenerateOptions{})
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if err == nil || err.Error() != "ErrorPrintHandler error" {
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t.Errorf("Did not get the expected error: %#v", err)
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}
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}
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