mirror of
https://github.com/k3s-io/kubernetes.git
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84 lines
2.5 KiB
Go
84 lines
2.5 KiB
Go
/*
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Copyright 2020 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 defaultbinder
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import (
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"context"
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"errors"
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"testing"
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"github.com/google/go-cmp/cmp"
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v1 "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/client-go/kubernetes/fake"
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clienttesting "k8s.io/client-go/testing"
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frameworkruntime "k8s.io/kubernetes/pkg/scheduler/framework/runtime"
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)
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func TestDefaultBinder(t *testing.T) {
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testPod := &v1.Pod{
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ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: "ns"},
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}
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testNode := "foohost.kubernetes.mydomain.com"
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tests := []struct {
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name string
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injectErr error
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wantBinding *v1.Binding
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}{
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{
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name: "successful",
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wantBinding: &v1.Binding{
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ObjectMeta: metav1.ObjectMeta{Namespace: "ns", Name: "foo"},
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Target: v1.ObjectReference{Kind: "Node", Name: testNode},
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},
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}, {
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name: "binding error",
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injectErr: errors.New("binding error"),
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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var gotBinding *v1.Binding
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client := fake.NewSimpleClientset(testPod)
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client.PrependReactor("create", "pods", func(action clienttesting.Action) (bool, runtime.Object, error) {
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if action.GetSubresource() != "binding" {
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return false, nil, nil
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}
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if tt.injectErr != nil {
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return true, nil, tt.injectErr
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}
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gotBinding = action.(clienttesting.CreateAction).GetObject().(*v1.Binding)
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return true, gotBinding, nil
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})
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fh, err := frameworkruntime.NewFramework(nil, nil, frameworkruntime.WithClientSet(client))
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if err != nil {
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t.Fatal(err)
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}
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binder := &DefaultBinder{handle: fh}
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status := binder.Bind(context.Background(), nil, testPod, "foohost.kubernetes.mydomain.com")
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if got := status.AsError(); (tt.injectErr != nil) != (got != nil) {
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t.Errorf("got error %q, want %q", got, tt.injectErr)
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}
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if diff := cmp.Diff(tt.wantBinding, gotBinding); diff != "" {
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t.Errorf("got different binding (-want, +got): %s", diff)
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}
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})
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}
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}
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