577 lines
20 KiB
Go
577 lines
20 KiB
Go
/*
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Copyright 2021 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 completion
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import (
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"net/http"
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"sort"
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"testing"
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"github.com/spf13/cobra"
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corev1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/cli-runtime/pkg/genericiooptions"
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"k8s.io/cli-runtime/pkg/resource"
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"k8s.io/client-go/rest/fake"
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"k8s.io/client-go/tools/clientcmd"
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"k8s.io/client-go/tools/clientcmd/api"
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"k8s.io/kubectl/pkg/cmd/get"
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cmdtesting "k8s.io/kubectl/pkg/cmd/testing"
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"k8s.io/kubectl/pkg/scheme"
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)
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func TestClusterCompletionFunc(t *testing.T) {
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setMockFactory(api.Config{
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Clusters: map[string]*api.Cluster{
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"bar": {},
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"baz": {},
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"foo": {},
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},
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})
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comps, directive := ClusterCompletionFunc(nil, []string{}, "")
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checkCompletion(t, comps, []string{"bar", "baz", "foo"}, directive, cobra.ShellCompDirectiveNoFileComp)
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comps, directive = ClusterCompletionFunc(nil, []string{}, "b")
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checkCompletion(t, comps, []string{"bar", "baz"}, directive, cobra.ShellCompDirectiveNoFileComp)
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comps, directive = ClusterCompletionFunc(nil, []string{}, "ba")
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checkCompletion(t, comps, []string{"bar", "baz"}, directive, cobra.ShellCompDirectiveNoFileComp)
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comps, directive = ClusterCompletionFunc(nil, []string{}, "bar")
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checkCompletion(t, comps, []string{"bar"}, directive, cobra.ShellCompDirectiveNoFileComp)
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comps, directive = ClusterCompletionFunc(nil, []string{}, "bart")
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checkCompletion(t, comps, []string{}, directive, cobra.ShellCompDirectiveNoFileComp)
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}
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func TestContextCompletionFunc(t *testing.T) {
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setMockFactory(api.Config{
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Contexts: map[string]*api.Context{
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"bar": {},
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"baz": {},
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"foo": {},
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},
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})
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comps, directive := ContextCompletionFunc(nil, []string{}, "")
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checkCompletion(t, comps, []string{"bar", "baz", "foo"}, directive, cobra.ShellCompDirectiveNoFileComp)
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comps, directive = ContextCompletionFunc(nil, []string{}, "b")
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checkCompletion(t, comps, []string{"bar", "baz"}, directive, cobra.ShellCompDirectiveNoFileComp)
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comps, directive = ContextCompletionFunc(nil, []string{}, "ba")
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checkCompletion(t, comps, []string{"bar", "baz"}, directive, cobra.ShellCompDirectiveNoFileComp)
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comps, directive = ContextCompletionFunc(nil, []string{}, "bar")
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checkCompletion(t, comps, []string{"bar"}, directive, cobra.ShellCompDirectiveNoFileComp)
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comps, directive = ContextCompletionFunc(nil, []string{}, "bart")
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checkCompletion(t, comps, []string{}, directive, cobra.ShellCompDirectiveNoFileComp)
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}
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func TestUserCompletionFunc(t *testing.T) {
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setMockFactory(api.Config{
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AuthInfos: map[string]*api.AuthInfo{
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"bar": {},
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"baz": {},
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"foo": {},
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},
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})
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comps, directive := UserCompletionFunc(nil, []string{}, "")
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checkCompletion(t, comps, []string{"bar", "baz", "foo"}, directive, cobra.ShellCompDirectiveNoFileComp)
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comps, directive = UserCompletionFunc(nil, []string{}, "b")
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checkCompletion(t, comps, []string{"bar", "baz"}, directive, cobra.ShellCompDirectiveNoFileComp)
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comps, directive = UserCompletionFunc(nil, []string{}, "ba")
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checkCompletion(t, comps, []string{"bar", "baz"}, directive, cobra.ShellCompDirectiveNoFileComp)
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comps, directive = UserCompletionFunc(nil, []string{}, "bar")
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checkCompletion(t, comps, []string{"bar"}, directive, cobra.ShellCompDirectiveNoFileComp)
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comps, directive = UserCompletionFunc(nil, []string{}, "bart")
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checkCompletion(t, comps, []string{}, directive, cobra.ShellCompDirectiveNoFileComp)
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}
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func TestResourceTypeAndNameCompletionFuncOneArg(t *testing.T) {
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tf, cmd := prepareCompletionTest()
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pods, _, _ := cmdtesting.TestData()
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addResourceToFactory(tf, pods)
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compFunc := ResourceTypeAndNameCompletionFunc(tf)
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comps, directive := compFunc(cmd, []string{"pod"}, "b")
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checkCompletion(t, comps, []string{"bar"}, directive, cobra.ShellCompDirectiveNoFileComp)
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}
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func TestResourceTypeAndNameCompletionFuncRepeating(t *testing.T) {
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tf, cmd := prepareCompletionTest()
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pods, _, _ := cmdtesting.TestData()
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addResourceToFactory(tf, pods)
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compFunc := ResourceTypeAndNameCompletionFunc(tf)
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comps, directive := compFunc(cmd, []string{"pod", "bar"}, "")
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// The other pods should be completed, but not the already specified ones
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checkCompletion(t, comps, []string{"foo"}, directive, cobra.ShellCompDirectiveNoFileComp)
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}
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func TestResourceTypeAndNameCompletionFuncJointForm(t *testing.T) {
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tf, cmd := prepareCompletionTest()
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pods, _, _ := cmdtesting.TestData()
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addResourceToFactory(tf, pods)
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compFunc := ResourceTypeAndNameCompletionFunc(tf)
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comps, directive := compFunc(cmd, []string{}, "pod/b")
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checkCompletion(t, comps, []string{"pod/bar"}, directive, cobra.ShellCompDirectiveNoFileComp)
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}
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func TestResourceTypeAndNameCompletionFuncJointFormRepeating(t *testing.T) {
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tf, cmd := prepareCompletionTest()
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pods, _, _ := cmdtesting.TestData()
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addResourceToFactory(tf, pods)
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compFunc := ResourceTypeAndNameCompletionFunc(tf)
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comps, directive := compFunc(cmd, []string{"pod/bar"}, "pod/")
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// The other pods should be completed, but not the already specified ones
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checkCompletion(t, comps, []string{"pod/foo"}, directive, cobra.ShellCompDirectiveNoFileComp)
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}
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func TestSpecifiedResourceTypeAndNameCompletionFuncNoArgs(t *testing.T) {
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tf, cmd := prepareCompletionTest()
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pods, _, _ := cmdtesting.TestData()
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addResourceToFactory(tf, pods)
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compFunc := SpecifiedResourceTypeAndNameCompletionFunc(tf, []string{"pod", "service", "statefulset"})
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comps, directive := compFunc(cmd, []string{}, "s")
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checkCompletion(t, comps, []string{"service", "statefulset"}, directive, cobra.ShellCompDirectiveNoFileComp)
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}
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func TestSpecifiedResourceTypeAndNameCompletionFuncOneArg(t *testing.T) {
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tf, cmd := prepareCompletionTest()
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pods, _, _ := cmdtesting.TestData()
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addResourceToFactory(tf, pods)
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compFunc := SpecifiedResourceTypeAndNameCompletionFunc(tf, []string{"pod"})
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comps, directive := compFunc(cmd, []string{"pod"}, "b")
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checkCompletion(t, comps, []string{"bar"}, directive, cobra.ShellCompDirectiveNoFileComp)
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}
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func TestSpecifiedResourceTypeAndNameCompletionFuncRepeating(t *testing.T) {
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tf, cmd := prepareCompletionTest()
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pods, _, _ := cmdtesting.TestData()
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addResourceToFactory(tf, pods)
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compFunc := SpecifiedResourceTypeAndNameCompletionFunc(tf, []string{"pod"})
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comps, directive := compFunc(cmd, []string{"pod", "bar"}, "")
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// The other pods should be completed, but not the already specified ones
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checkCompletion(t, comps, []string{"foo"}, directive, cobra.ShellCompDirectiveNoFileComp)
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}
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func TestSpecifiedResourceTypeAndNameCompletionFuncJointFormOneArg(t *testing.T) {
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tf, cmd := prepareCompletionTest()
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pods, _, _ := cmdtesting.TestData()
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addResourceToFactory(tf, pods)
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compFunc := SpecifiedResourceTypeAndNameCompletionFunc(tf, []string{"pod"})
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comps, directive := compFunc(cmd, []string{}, "pod/b")
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checkCompletion(t, comps, []string{"pod/bar"}, directive, cobra.ShellCompDirectiveNoFileComp)
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}
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func TestSpecifiedResourceTypeAndNameCompletionFuncJointFormRepeating(t *testing.T) {
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tf, cmd := prepareCompletionTest()
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pods, _, _ := cmdtesting.TestData()
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addResourceToFactory(tf, pods)
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compFunc := SpecifiedResourceTypeAndNameCompletionFunc(tf, []string{"pod"})
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comps, directive := compFunc(cmd, []string{"pod/bar"}, "pod/")
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// The other pods should be completed, but not the already specified ones
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checkCompletion(t, comps, []string{"pod/foo"}, directive, cobra.ShellCompDirectiveNoFileComp)
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}
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func TestSpecifiedResourceTypeAndNameCompletionNoRepeatFuncOneArg(t *testing.T) {
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tf, cmd := prepareCompletionTest()
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pods, _, _ := cmdtesting.TestData()
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addResourceToFactory(tf, pods)
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compFunc := SpecifiedResourceTypeAndNameNoRepeatCompletionFunc(tf, []string{"pod"})
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comps, directive := compFunc(cmd, []string{"pod"}, "b")
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checkCompletion(t, comps, []string{"bar"}, directive, cobra.ShellCompDirectiveNoFileComp)
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}
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func TestSpecifiedResourceTypeAndNameCompletionNoRepeatFuncMultiArg(t *testing.T) {
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tf, cmd := prepareCompletionTest()
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pods, _, _ := cmdtesting.TestData()
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addResourceToFactory(tf, pods)
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compFunc := SpecifiedResourceTypeAndNameNoRepeatCompletionFunc(tf, []string{"pod"})
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comps, directive := compFunc(cmd, []string{"pod", "bar"}, "")
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// There should not be any more pods shown as this function should not repeat the completion
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checkCompletion(t, comps, []string{}, directive, cobra.ShellCompDirectiveNoFileComp)
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}
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func TestSpecifiedResourceTypeAndNameCompletionNoRepeatFuncJointFormOneArg(t *testing.T) {
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tf, cmd := prepareCompletionTest()
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pods, _, _ := cmdtesting.TestData()
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addResourceToFactory(tf, pods)
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compFunc := SpecifiedResourceTypeAndNameNoRepeatCompletionFunc(tf, []string{"pod"})
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comps, directive := compFunc(cmd, []string{}, "pod/b")
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checkCompletion(t, comps, []string{"pod/bar"}, directive, cobra.ShellCompDirectiveNoFileComp)
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}
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func TestSpecifiedResourceTypeAndNameCompletionNoRepeatFuncJointFormMultiArg(t *testing.T) {
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tf, cmd := prepareCompletionTest()
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pods, _, _ := cmdtesting.TestData()
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addResourceToFactory(tf, pods)
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compFunc := SpecifiedResourceTypeAndNameNoRepeatCompletionFunc(tf, []string{"pod"})
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comps, directive := compFunc(cmd, []string{"pod/bar"}, "pod/")
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// There should not be any more pods shown as this function should not repeat the completion
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checkCompletion(t, comps, []string{}, directive, cobra.ShellCompDirectiveNoFileComp)
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}
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func TestResourceNameCompletionFuncNoArgs(t *testing.T) {
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tf, cmd := prepareCompletionTest()
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pods, _, _ := cmdtesting.TestData()
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addResourceToFactory(tf, pods)
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compFunc := ResourceNameCompletionFunc(tf, "pod")
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comps, directive := compFunc(cmd, []string{}, "b")
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checkCompletion(t, comps, []string{"bar"}, directive, cobra.ShellCompDirectiveNoFileComp)
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}
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func TestResourceNameCompletionFuncTooManyArgs(t *testing.T) {
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tf, cmd := prepareCompletionTest()
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pods, _, _ := cmdtesting.TestData()
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addResourceToFactory(tf, pods)
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compFunc := ResourceNameCompletionFunc(tf, "pod")
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comps, directive := compFunc(cmd, []string{"pod-name"}, "")
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checkCompletion(t, comps, []string{}, directive, cobra.ShellCompDirectiveNoFileComp)
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}
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func TestResourceNameCompletionFuncJointFormNoArgs(t *testing.T) {
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tf, cmd := prepareCompletionTest()
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pods, _, _ := cmdtesting.TestData()
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addResourceToFactory(tf, pods)
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compFunc := ResourceNameCompletionFunc(tf, "pod")
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comps, directive := compFunc(cmd, []string{}, "pod/b")
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// The <type>/<name> should NOT be supported by this function
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checkCompletion(t, comps, []string{}, directive, cobra.ShellCompDirectiveNoFileComp)
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}
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func TestPodResourceNameCompletionFuncNoArgsPodName(t *testing.T) {
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tf, cmd := prepareCompletionTest()
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pods, _, _ := cmdtesting.TestData()
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addResourceToFactory(tf, pods)
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compFunc := PodResourceNameCompletionFunc(tf)
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comps, directive := compFunc(cmd, []string{}, "b")
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checkCompletion(t, comps, []string{"bar"}, directive, cobra.ShellCompDirectiveNoFileComp)
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}
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func TestPodResourceNameCompletionFuncNoArgsResources(t *testing.T) {
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tf, cmd := prepareCompletionTest()
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pods, _, _ := cmdtesting.TestData()
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addResourceToFactory(tf, pods)
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compFunc := PodResourceNameCompletionFunc(tf)
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comps, directive := compFunc(cmd, []string{}, "d")
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checkCompletion(
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t, comps, []string{"daemonsets/", "deployments/"},
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directive, cobra.ShellCompDirectiveNoFileComp|cobra.ShellCompDirectiveNoSpace)
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}
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func TestPodResourceNameCompletionFuncTooManyArgs(t *testing.T) {
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tf, cmd := prepareCompletionTest()
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pods, _, _ := cmdtesting.TestData()
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addResourceToFactory(tf, pods)
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compFunc := PodResourceNameCompletionFunc(tf)
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comps, directive := compFunc(cmd, []string{"pod-name"}, "")
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checkCompletion(t, comps, []string{}, directive, cobra.ShellCompDirectiveNoFileComp)
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}
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func TestPodResourceNameCompletionFuncJointFormNoArgs(t *testing.T) {
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tf, cmd := prepareCompletionTest()
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pods, _, _ := cmdtesting.TestData()
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addResourceToFactory(tf, pods)
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compFunc := PodResourceNameCompletionFunc(tf)
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comps, directive := compFunc(cmd, []string{}, "pod/b")
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// The <type>/<name> SHOULD be supported by this function
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checkCompletion(t, comps, []string{"pod/bar"}, directive, cobra.ShellCompDirectiveNoFileComp)
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}
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func TestPodResourceNameCompletionFuncJointFormTooManyArgs(t *testing.T) {
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tf, cmd := prepareCompletionTest()
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pods, _, _ := cmdtesting.TestData()
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addResourceToFactory(tf, pods)
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compFunc := PodResourceNameCompletionFunc(tf)
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comps, directive := compFunc(cmd, []string{"pod/name"}, "pod/b")
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checkCompletion(t, comps, []string{}, directive, cobra.ShellCompDirectiveNoFileComp)
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}
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func TestResourceAndContainerNameCompletionFunc(t *testing.T) {
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barPod := getTestPod()
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testCases := []struct {
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name string
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args []string
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toComplete string
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expectedComps []string
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expectedDirective cobra.ShellCompDirective
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}{
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{
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name: "no args pod name",
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args: []string{},
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toComplete: "b",
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expectedComps: []string{"bar"},
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expectedDirective: cobra.ShellCompDirectiveNoFileComp,
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},
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{
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name: "no args resources",
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args: []string{},
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toComplete: "s",
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expectedComps: []string{"services/", "statefulsets/"},
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expectedDirective: cobra.ShellCompDirectiveNoFileComp | cobra.ShellCompDirectiveNoSpace,
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},
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{
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name: "joint form no args",
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args: []string{},
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toComplete: "pod/b",
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expectedComps: []string{"pod/bar"},
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expectedDirective: cobra.ShellCompDirectiveNoFileComp,
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},
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{
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name: "joint form too many args",
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args: []string{"pod/pod-name", "container-name"},
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toComplete: "",
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expectedComps: []string{},
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expectedDirective: cobra.ShellCompDirectiveNoFileComp,
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},
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{
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name: "complete all containers' names",
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args: []string{"bar"},
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toComplete: "",
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expectedComps: []string{"bar", "foo"},
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expectedDirective: cobra.ShellCompDirectiveNoFileComp,
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},
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{
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name: "complete specific container name",
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args: []string{"bar"},
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toComplete: "b",
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expectedComps: []string{"bar"},
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expectedDirective: cobra.ShellCompDirectiveNoFileComp,
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},
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}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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tf, cmd := prepareCompletionTest()
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addResourceToFactory(tf, barPod)
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compFunc := PodResourceNameAndContainerCompletionFunc(tf)
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comps, directive := compFunc(cmd, tc.args, tc.toComplete)
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checkCompletion(t, comps, tc.expectedComps, directive, tc.expectedDirective)
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})
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}
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}
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func TestResourceAndPortCompletionFunc(t *testing.T) {
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barPod := getTestPod()
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bazService := getTestService()
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testCases := []struct {
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name string
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obj runtime.Object
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args []string
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toComplete string
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expectedComps []string
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expectedDirective cobra.ShellCompDirective
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}{
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{
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name: "no args pod name",
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obj: barPod,
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args: []string{},
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toComplete: "b",
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expectedComps: []string{"bar"},
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expectedDirective: cobra.ShellCompDirectiveNoFileComp,
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},
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{
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name: "no args resources",
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obj: barPod,
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args: []string{},
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toComplete: "s",
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expectedComps: []string{"services/", "statefulsets/"},
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expectedDirective: cobra.ShellCompDirectiveNoFileComp | cobra.ShellCompDirectiveNoSpace,
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},
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{
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name: "too many args",
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obj: barPod,
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args: []string{"pod-name", "port-number"},
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toComplete: "",
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expectedComps: []string{},
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expectedDirective: cobra.ShellCompDirectiveNoFileComp,
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},
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{
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name: "joint from no args",
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obj: barPod,
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args: []string{},
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toComplete: "pod/b",
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expectedComps: []string{"pod/bar"},
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expectedDirective: cobra.ShellCompDirectiveNoFileComp,
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},
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{
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name: "joint from too many args",
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obj: barPod,
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args: []string{"pod/pod-name", "port-number"},
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toComplete: "",
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expectedComps: []string{},
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expectedDirective: cobra.ShellCompDirectiveNoFileComp,
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},
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{
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name: "complete container port with default exposed port",
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obj: barPod,
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args: []string{"bar"},
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toComplete: "",
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expectedComps: []string{"80:80", "81:81"},
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expectedDirective: cobra.ShellCompDirectiveNoFileComp,
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},
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{
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name: "complete container port with custom exposed port",
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obj: barPod,
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args: []string{"bar"},
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toComplete: "90",
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expectedComps: []string{"90:80", "90:81"},
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expectedDirective: cobra.ShellCompDirectiveNoFileComp,
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},
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{
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name: "complete service port with default exposed port",
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obj: bazService,
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|
args: []string{"service/baz"},
|
|
toComplete: "",
|
|
expectedComps: []string{"8080:8080", "8081:8081"},
|
|
expectedDirective: cobra.ShellCompDirectiveNoFileComp,
|
|
},
|
|
{
|
|
name: "complete container port with custom exposed port",
|
|
obj: bazService,
|
|
args: []string{"service/baz"},
|
|
toComplete: "9090",
|
|
expectedComps: []string{"9090:8080", "9090:8081"},
|
|
expectedDirective: cobra.ShellCompDirectiveNoFileComp,
|
|
},
|
|
}
|
|
|
|
for _, tc := range testCases {
|
|
t.Run(tc.name, func(t *testing.T) {
|
|
tf, cmd := prepareCompletionTest()
|
|
addResourceToFactory(tf, tc.obj)
|
|
compFunc := ResourceAndPortCompletionFunc(tf)
|
|
comps, directive := compFunc(cmd, tc.args, tc.toComplete)
|
|
checkCompletion(t, comps, tc.expectedComps, directive, tc.expectedDirective)
|
|
})
|
|
}
|
|
}
|
|
|
|
func setMockFactory(config api.Config) {
|
|
clientConfig := clientcmd.NewDefaultClientConfig(config, nil)
|
|
testFactory := cmdtesting.NewTestFactory().WithClientConfig(clientConfig)
|
|
SetFactoryForCompletion(testFactory)
|
|
}
|
|
|
|
func prepareCompletionTest() (*cmdtesting.TestFactory, *cobra.Command) {
|
|
tf := cmdtesting.NewTestFactory().WithNamespace("test")
|
|
defer tf.Cleanup()
|
|
|
|
streams, _, _, _ := genericiooptions.NewTestIOStreams()
|
|
cmd := get.NewCmdGet("kubectl", tf, streams)
|
|
return tf, cmd
|
|
}
|
|
|
|
func addResourceToFactory(tf *cmdtesting.TestFactory, obj runtime.Object) {
|
|
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, obj)},
|
|
}
|
|
}
|
|
|
|
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
|
|
}
|
|
}
|
|
}
|
|
|
|
func getTestPod() *corev1.Pod {
|
|
return &corev1.Pod{
|
|
ObjectMeta: metav1.ObjectMeta{Name: "bar", Namespace: "test", ResourceVersion: "11"},
|
|
Spec: corev1.PodSpec{
|
|
Containers: []corev1.Container{
|
|
{
|
|
Name: "bar",
|
|
Ports: []corev1.ContainerPort{
|
|
{
|
|
ContainerPort: 80,
|
|
},
|
|
{
|
|
ContainerPort: 81,
|
|
},
|
|
},
|
|
},
|
|
{
|
|
Name: "foo",
|
|
},
|
|
},
|
|
},
|
|
}
|
|
}
|
|
|
|
func getTestService() *corev1.Service {
|
|
return &corev1.Service{
|
|
ObjectMeta: metav1.ObjectMeta{Name: "baz", Namespace: "test", ResourceVersion: "12"},
|
|
Spec: corev1.ServiceSpec{
|
|
Ports: []corev1.ServicePort{
|
|
{
|
|
Port: 8080,
|
|
},
|
|
{
|
|
Port: 8081,
|
|
},
|
|
},
|
|
},
|
|
}
|
|
}
|