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Add tests for completion utility functions

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Signed-off-by: Marc Khouzam <marc.khouzam@montreal.ca>
This commit is contained in:
Marc Khouzam 2021-06-05 21:11:34 -04:00
parent 1babceac65
commit 46aa6045e4
1 changed files with 188 additions and 0 deletions
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188
staging/src/k8s.io/kubectl/pkg/util/completion_test.go Normal file
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/*
Copyright 2021 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 util
import (
"net/http"
"sort"
"testing"
"github.com/spf13/cobra"
"k8s.io/cli-runtime/pkg/genericclioptions"
"k8s.io/cli-runtime/pkg/resource"
"k8s.io/client-go/rest/fake"
"k8s.io/kubectl/pkg/cmd/get"
cmdtesting "k8s.io/kubectl/pkg/cmd/testing"
// cmdutil "k8s.io/kubectl/pkg/cmd/util"
"k8s.io/kubectl/pkg/scheme"
)
func TestResourceTypeAndNameCompletionFuncOneArg(t *testing.T) {
tf, cmd := prepareCompletionTest()
addPodsToFactory(tf)
compFunc := ResourceTypeAndNameCompletionFunc(tf)
comps, directive := compFunc(cmd, []string{"pod"}, "b")
checkCompletion(t, comps, []string{"bar"}, directive, cobra.ShellCompDirectiveNoFileComp)
}
func TestResourceTypeAndNameCompletionFuncTooManyArgs(t *testing.T) {
tf := cmdtesting.NewTestFactory()
defer tf.Cleanup()
streams, _, _, _ := genericclioptions.NewTestIOStreams()
cmd := get.NewCmdGet("kubectl", tf, streams)
compFunc := ResourceTypeAndNameCompletionFunc(tf)
comps, directive := compFunc(cmd, []string{"pod", "pod-name"}, "")
checkCompletion(t, comps, []string{}, directive, cobra.ShellCompDirectiveNoFileComp)
}
func TestSpecifiedResourceTypeAndNameCompletionFuncNoArgs(t *testing.T) {
tf := cmdtesting.NewTestFactory()
defer tf.Cleanup()
streams, _, _, _ := genericclioptions.NewTestIOStreams()
cmd := get.NewCmdGet("kubectl", tf, streams)
compFunc := SpecifiedResourceTypeAndNameCompletionFunc(tf, []string{"pod", "service", "statefulset"})
comps, directive := compFunc(cmd, []string{}, "s")
checkCompletion(t, comps, []string{"service", "statefulset"}, directive, cobra.ShellCompDirectiveNoFileComp)
}
func TestSpecifiedResourceTypeAndNameCompletionFuncOneArg(t *testing.T) {
tf := cmdtesting.NewTestFactory().WithNamespace("test")
defer tf.Cleanup()
pods, _, _ := cmdtesting.TestData()
codec := scheme.Codecs.LegacyCodec(scheme.Scheme.PrioritizedVersionsAllGroups()...)
tf.UnstructuredClient = &fake.RESTClient{
NegotiatedSerializer: resource.UnstructuredPlusDefaultContentConfig().NegotiatedSerializer,
Resp: &http.Response{StatusCode: http.StatusOK, Header: cmdtesting.DefaultHeader(), Body: cmdtesting.ObjBody(codec, pods)},
}
streams, _, _, _ := genericclioptions.NewTestIOStreams()
cmd := get.NewCmdGet("kubectl", tf, streams)
compFunc := SpecifiedResourceTypeAndNameCompletionFunc(tf, []string{"pod"})
comps, directive := compFunc(cmd, []string{"pod"}, "b")
checkCompletion(t, comps, []string{"bar"}, directive, cobra.ShellCompDirectiveNoFileComp)
}
func TestSpecifiedResourceTypeAndNameCompletionFuncTooManyArgs(t *testing.T) {
tf := cmdtesting.NewTestFactory()
defer tf.Cleanup()
streams, _, _, _ := genericclioptions.NewTestIOStreams()
cmd := get.NewCmdGet("kubectl", tf, streams)
compFunc := SpecifiedResourceTypeAndNameCompletionFunc(tf, []string{"pod"})
comps, directive := compFunc(cmd, []string{"pod", "pod-name"}, "")
checkCompletion(t, comps, []string{}, directive, cobra.ShellCompDirectiveNoFileComp)
}
func TestResourceNameCompletionFuncNoArgs(t *testing.T) {
tf := cmdtesting.NewTestFactory().WithNamespace("test")
defer tf.Cleanup()
pods, _, _ := cmdtesting.TestData()
codec := scheme.Codecs.LegacyCodec(scheme.Scheme.PrioritizedVersionsAllGroups()...)
tf.UnstructuredClient = &fake.RESTClient{
NegotiatedSerializer: resource.UnstructuredPlusDefaultContentConfig().NegotiatedSerializer,
Resp: &http.Response{StatusCode: http.StatusOK, Header: cmdtesting.DefaultHeader(), Body: cmdtesting.ObjBody(codec, pods)},
}
streams, _, _, _ := genericclioptions.NewTestIOStreams()
cmd := get.NewCmdGet("kubectl", tf, streams)
compFunc := ResourceNameCompletionFunc(tf, "pod")
comps, directive := compFunc(cmd, []string{}, "b")
checkCompletion(t, comps, []string{"bar"}, directive, cobra.ShellCompDirectiveNoFileComp)
}
func TestResourceNameCompletionFuncTooManyArgs(t *testing.T) {
tf := cmdtesting.NewTestFactory()
defer tf.Cleanup()
streams, _, _, _ := genericclioptions.NewTestIOStreams()
cmd := get.NewCmdGet("kubectl", tf, streams)
compFunc := ResourceNameCompletionFunc(tf, "pod")
comps, directive := compFunc(cmd, []string{"pod-name"}, "")
checkCompletion(t, comps, []string{}, directive, cobra.ShellCompDirectiveNoFileComp)
}
func TestPodResourceNameAndContainerCompletionFuncNoArgs(t *testing.T) {
tf := cmdtesting.NewTestFactory().WithNamespace("test")
defer tf.Cleanup()
pods, _, _ := cmdtesting.TestData()
codec := scheme.Codecs.LegacyCodec(scheme.Scheme.PrioritizedVersionsAllGroups()...)
tf.UnstructuredClient = &fake.RESTClient{
NegotiatedSerializer: resource.UnstructuredPlusDefaultContentConfig().NegotiatedSerializer,
Resp: &http.Response{StatusCode: http.StatusOK, Header: cmdtesting.DefaultHeader(), Body: cmdtesting.ObjBody(codec, pods)},
}
streams, _, _, _ := genericclioptions.NewTestIOStreams()
cmd := get.NewCmdGet("kubectl", tf, streams)
compFunc := PodResourceNameAndContainerCompletionFunc(tf)
comps, directive := compFunc(cmd, []string{}, "b")
checkCompletion(t, comps, []string{"bar"}, directive, cobra.ShellCompDirectiveNoFileComp)
}
func TestPodResourceNameAndContainerCompletionFuncTooManyArgs(t *testing.T) {
tf := cmdtesting.NewTestFactory().WithNamespace("test")
defer tf.Cleanup()
streams, _, _, _ := genericclioptions.NewTestIOStreams()
cmd := get.NewCmdGet("kubectl", tf, streams)
compFunc := PodResourceNameAndContainerCompletionFunc(tf)
comps, directive := compFunc(cmd, []string{"pod-name", "container-name"}, "")
checkCompletion(t, comps, []string{}, directive, cobra.ShellCompDirectiveNoFileComp)
}
func prepareCompletionTest() (*cmdtesting.TestFactory, *cobra.Command) {
tf := cmdtesting.NewTestFactory().WithNamespace("test")
defer tf.Cleanup()
streams, _, _, _ := genericclioptions.NewTestIOStreams()
cmd := get.NewCmdGet("kubectl", tf, streams)
return tf, cmd
}
func addPodsToFactory(tf *cmdtesting.TestFactory) {
pods, _, _ := cmdtesting.TestData()
codec := scheme.Codecs.LegacyCodec(scheme.Scheme.PrioritizedVersionsAllGroups()...)
tf.UnstructuredClient = &fake.RESTClient{
NegotiatedSerializer: resource.UnstructuredPlusDefaultContentConfig().NegotiatedSerializer,
Resp: &http.Response{StatusCode: http.StatusOK, Header: cmdtesting.DefaultHeader(), Body: cmdtesting.ObjBody(codec, pods)},
}
}
func checkCompletion(t *testing.T, comps, expectedComps []string, directive, expectedDirective cobra.ShellCompDirective) {
if e, d := expectedDirective, directive; e != d {
t.Errorf("expected directive\n%v\nbut got\n%v", e, d)
}
sort.Strings(comps)
sort.Strings(expectedComps)
if len(expectedComps) != len(comps) {
t.Fatalf("expected completions\n%v\nbut got\n%v", expectedComps, comps)
}
for i := range comps {
if expectedComps[i] != comps[i] {
t.Errorf("expected completions\n%v\nbut got\n%v", expectedComps, comps)
break
}
}
}