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			788 lines
		
	
	
		
			22 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
/*
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						|
Copyright 2014 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 kubectl
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 | 
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import (
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						|
	"errors"
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						|
	"testing"
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						|
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						|
	kerrors "k8s.io/apimachinery/pkg/api/errors"
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						|
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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						|
	"k8s.io/kubernetes/pkg/api"
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						|
	"k8s.io/kubernetes/pkg/apis/batch"
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						|
	"k8s.io/kubernetes/pkg/apis/extensions"
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						|
	"k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset/fake"
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						|
	batchclient "k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset/typed/batch/internalversion"
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						|
	coreclient "k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset/typed/core/internalversion"
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						|
	extensionsclient "k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset/typed/extensions/internalversion"
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						|
	testcore "k8s.io/kubernetes/pkg/client/testing/core"
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)
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						|
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						|
type ErrorReplicationControllers struct {
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	coreclient.ReplicationControllerInterface
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						|
	conflict bool
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	invalid  bool
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}
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func (c *ErrorReplicationControllers) Update(controller *api.ReplicationController) (*api.ReplicationController, error) {
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						|
	switch {
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						|
	case c.invalid:
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						|
		return nil, kerrors.NewInvalid(api.Kind(controller.Kind), controller.Name, nil)
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						|
	case c.conflict:
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						|
		return nil, kerrors.NewConflict(api.Resource(controller.Kind), controller.Name, nil)
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						|
	}
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						|
	return nil, errors.New("Replication controller update failure")
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						|
}
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						|
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						|
type ErrorReplicationControllerClient struct {
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						|
	*fake.Clientset
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	conflict bool
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						|
	invalid  bool
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						|
}
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						|
 | 
						|
func (c *ErrorReplicationControllerClient) ReplicationControllers(namespace string) coreclient.ReplicationControllerInterface {
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						|
	return &ErrorReplicationControllers{
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						|
		ReplicationControllerInterface: c.Clientset.Core().ReplicationControllers(namespace),
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		conflict:                       c.conflict,
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						|
		invalid:                        c.invalid,
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						|
	}
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						|
}
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						|
func TestReplicationControllerScaleRetry(t *testing.T) {
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	fake := &ErrorReplicationControllerClient{Clientset: fake.NewSimpleClientset(oldRc(0, 0)), conflict: true}
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						|
	scaler := ReplicationControllerScaler{fake}
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						|
	preconditions := ScalePrecondition{-1, ""}
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	count := uint(3)
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	name := "foo-v1"
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	namespace := api.NamespaceDefault
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	scaleFunc := ScaleCondition(&scaler, &preconditions, namespace, name, count, nil)
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	pass, err := scaleFunc()
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						|
	if pass {
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						|
		t.Errorf("Expected an update failure to return pass = false, got pass = %v", pass)
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						|
	}
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						|
	if err != nil {
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						|
		t.Errorf("Did not expect an error on update conflict failure, got %v", err)
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	}
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						|
	preconditions = ScalePrecondition{3, ""}
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						|
	scaleFunc = ScaleCondition(&scaler, &preconditions, namespace, name, count, nil)
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						|
	pass, err = scaleFunc()
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						|
	if err == nil {
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						|
		t.Errorf("Expected error on precondition failure")
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						|
	}
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						|
}
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 | 
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func TestReplicationControllerScaleInvalid(t *testing.T) {
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						|
	fake := &ErrorReplicationControllerClient{Clientset: fake.NewSimpleClientset(oldRc(0, 0)), invalid: true}
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	scaler := ReplicationControllerScaler{fake}
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	preconditions := ScalePrecondition{-1, ""}
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	count := uint(3)
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	name := "foo-v1"
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	namespace := "default"
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 | 
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	scaleFunc := ScaleCondition(&scaler, &preconditions, namespace, name, count, nil)
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						|
	pass, err := scaleFunc()
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						|
	if pass {
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						|
		t.Errorf("Expected an update failure to return pass = false, got pass = %v", pass)
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						|
	}
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						|
	e, ok := err.(ScaleError)
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						|
	if err == nil || !ok || e.FailureType != ScaleUpdateFailure {
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		t.Errorf("Expected error on invalid update failure, got %v", err)
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	}
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}
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func TestReplicationControllerScale(t *testing.T) {
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	fake := fake.NewSimpleClientset(oldRc(0, 0))
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	scaler := ReplicationControllerScaler{fake.Core()}
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	preconditions := ScalePrecondition{-1, ""}
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	count := uint(3)
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	name := "foo-v1"
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	scaler.Scale("default", name, count, &preconditions, nil, nil)
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						|
 | 
						|
	actions := fake.Actions()
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						|
	if len(actions) != 2 {
 | 
						|
		t.Errorf("unexpected actions: %v, expected 2 actions (get, update)", actions)
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						|
	}
 | 
						|
	if action, ok := actions[0].(testcore.GetAction); !ok || action.GetResource().GroupResource() != api.Resource("replicationcontrollers") || action.GetName() != name {
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						|
		t.Errorf("unexpected action: %v, expected get-replicationController %s", actions[0], name)
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						|
	}
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						|
	if action, ok := actions[1].(testcore.UpdateAction); !ok || action.GetResource().GroupResource() != api.Resource("replicationcontrollers") || action.GetObject().(*api.ReplicationController).Spec.Replicas != int32(count) {
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						|
		t.Errorf("unexpected action %v, expected update-replicationController with replicas = %d", actions[1], count)
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						|
	}
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						|
}
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						|
func TestReplicationControllerScaleFailsPreconditions(t *testing.T) {
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						|
	fake := fake.NewSimpleClientset(&api.ReplicationController{
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		ObjectMeta: metav1.ObjectMeta{Namespace: api.NamespaceDefault, Name: "foo"},
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		Spec: api.ReplicationControllerSpec{
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			Replicas: 10,
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						|
		},
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						|
	})
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	scaler := ReplicationControllerScaler{fake.Core()}
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	preconditions := ScalePrecondition{2, ""}
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						|
	count := uint(3)
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	name := "foo"
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	scaler.Scale("default", name, count, &preconditions, nil, nil)
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						|
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	actions := fake.Actions()
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						|
	if len(actions) != 1 {
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						|
		t.Errorf("unexpected actions: %v, expected 1 action (get)", actions)
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						|
	}
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						|
	if action, ok := actions[0].(testcore.GetAction); !ok || action.GetResource().GroupResource() != api.Resource("replicationcontrollers") || action.GetName() != name {
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						|
		t.Errorf("unexpected action: %v, expected get-replicationController %s", actions[0], name)
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	}
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						|
}
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func TestValidateReplicationController(t *testing.T) {
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	tests := []struct {
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		preconditions ScalePrecondition
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		controller    api.ReplicationController
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						|
		expectError   bool
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						|
		test          string
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						|
	}{
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						|
		{
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						|
			preconditions: ScalePrecondition{-1, ""},
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						|
			expectError:   false,
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						|
			test:          "defaults",
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						|
		},
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						|
		{
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						|
			preconditions: ScalePrecondition{-1, ""},
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						|
			controller: api.ReplicationController{
 | 
						|
				ObjectMeta: metav1.ObjectMeta{
 | 
						|
					ResourceVersion: "foo",
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						|
				},
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						|
				Spec: api.ReplicationControllerSpec{
 | 
						|
					Replicas: 10,
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						|
				},
 | 
						|
			},
 | 
						|
			expectError: false,
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						|
			test:        "defaults 2",
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						|
		},
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						|
		{
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						|
			preconditions: ScalePrecondition{0, ""},
 | 
						|
			controller: api.ReplicationController{
 | 
						|
				ObjectMeta: metav1.ObjectMeta{
 | 
						|
					ResourceVersion: "foo",
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						|
				},
 | 
						|
				Spec: api.ReplicationControllerSpec{
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						|
					Replicas: 0,
 | 
						|
				},
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						|
			},
 | 
						|
			expectError: false,
 | 
						|
			test:        "size matches",
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						|
		},
 | 
						|
		{
 | 
						|
			preconditions: ScalePrecondition{-1, "foo"},
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						|
			controller: api.ReplicationController{
 | 
						|
				ObjectMeta: metav1.ObjectMeta{
 | 
						|
					ResourceVersion: "foo",
 | 
						|
				},
 | 
						|
				Spec: api.ReplicationControllerSpec{
 | 
						|
					Replicas: 10,
 | 
						|
				},
 | 
						|
			},
 | 
						|
			expectError: false,
 | 
						|
			test:        "resource version matches",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			preconditions: ScalePrecondition{10, "foo"},
 | 
						|
			controller: api.ReplicationController{
 | 
						|
				ObjectMeta: metav1.ObjectMeta{
 | 
						|
					ResourceVersion: "foo",
 | 
						|
				},
 | 
						|
				Spec: api.ReplicationControllerSpec{
 | 
						|
					Replicas: 10,
 | 
						|
				},
 | 
						|
			},
 | 
						|
			expectError: false,
 | 
						|
			test:        "both match",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			preconditions: ScalePrecondition{10, "foo"},
 | 
						|
			controller: api.ReplicationController{
 | 
						|
				ObjectMeta: metav1.ObjectMeta{
 | 
						|
					ResourceVersion: "foo",
 | 
						|
				},
 | 
						|
				Spec: api.ReplicationControllerSpec{
 | 
						|
					Replicas: 20,
 | 
						|
				},
 | 
						|
			},
 | 
						|
			expectError: true,
 | 
						|
			test:        "size different",
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						|
		},
 | 
						|
		{
 | 
						|
			preconditions: ScalePrecondition{10, "foo"},
 | 
						|
			controller: api.ReplicationController{
 | 
						|
				ObjectMeta: metav1.ObjectMeta{
 | 
						|
					ResourceVersion: "bar",
 | 
						|
				},
 | 
						|
				Spec: api.ReplicationControllerSpec{
 | 
						|
					Replicas: 10,
 | 
						|
				},
 | 
						|
			},
 | 
						|
			expectError: true,
 | 
						|
			test:        "version different",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			preconditions: ScalePrecondition{10, "foo"},
 | 
						|
			controller: api.ReplicationController{
 | 
						|
				ObjectMeta: metav1.ObjectMeta{
 | 
						|
					ResourceVersion: "bar",
 | 
						|
				},
 | 
						|
				Spec: api.ReplicationControllerSpec{
 | 
						|
					Replicas: 20,
 | 
						|
				},
 | 
						|
			},
 | 
						|
			expectError: true,
 | 
						|
			test:        "both different",
 | 
						|
		},
 | 
						|
	}
 | 
						|
	for _, test := range tests {
 | 
						|
		err := test.preconditions.ValidateReplicationController(&test.controller)
 | 
						|
		if err != nil && !test.expectError {
 | 
						|
			t.Errorf("unexpected error: %v (%s)", err, test.test)
 | 
						|
		}
 | 
						|
		if err == nil && test.expectError {
 | 
						|
			t.Errorf("unexpected non-error: %v (%s)", err, test.test)
 | 
						|
		}
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
type ErrorJobs struct {
 | 
						|
	batchclient.JobInterface
 | 
						|
	conflict bool
 | 
						|
	invalid  bool
 | 
						|
}
 | 
						|
 | 
						|
func (c *ErrorJobs) Update(job *batch.Job) (*batch.Job, error) {
 | 
						|
	switch {
 | 
						|
	case c.invalid:
 | 
						|
		return nil, kerrors.NewInvalid(api.Kind(job.Kind), job.Name, nil)
 | 
						|
	case c.conflict:
 | 
						|
		return nil, kerrors.NewConflict(api.Resource(job.Kind), job.Name, nil)
 | 
						|
	}
 | 
						|
	return nil, errors.New("Job update failure")
 | 
						|
}
 | 
						|
 | 
						|
func (c *ErrorJobs) Get(name string, options metav1.GetOptions) (*batch.Job, error) {
 | 
						|
	zero := int32(0)
 | 
						|
	return &batch.Job{
 | 
						|
		Spec: batch.JobSpec{
 | 
						|
			Parallelism: &zero,
 | 
						|
		},
 | 
						|
	}, nil
 | 
						|
}
 | 
						|
 | 
						|
type ErrorJobClient struct {
 | 
						|
	batchclient.JobsGetter
 | 
						|
	conflict bool
 | 
						|
	invalid  bool
 | 
						|
}
 | 
						|
 | 
						|
func (c *ErrorJobClient) Jobs(namespace string) batchclient.JobInterface {
 | 
						|
	return &ErrorJobs{
 | 
						|
		JobInterface: c.JobsGetter.Jobs(namespace),
 | 
						|
		conflict:     c.conflict,
 | 
						|
		invalid:      c.invalid,
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
func TestJobScaleRetry(t *testing.T) {
 | 
						|
	fake := &ErrorJobClient{JobsGetter: fake.NewSimpleClientset().Batch(), conflict: true}
 | 
						|
	scaler := JobScaler{fake}
 | 
						|
	preconditions := ScalePrecondition{-1, ""}
 | 
						|
	count := uint(3)
 | 
						|
	name := "foo"
 | 
						|
	namespace := "default"
 | 
						|
 | 
						|
	scaleFunc := ScaleCondition(&scaler, &preconditions, namespace, name, count, nil)
 | 
						|
	pass, err := scaleFunc()
 | 
						|
	if pass != false {
 | 
						|
		t.Errorf("Expected an update failure to return pass = false, got pass = %v", pass)
 | 
						|
	}
 | 
						|
	if err != nil {
 | 
						|
		t.Errorf("Did not expect an error on update failure, got %v", err)
 | 
						|
	}
 | 
						|
	preconditions = ScalePrecondition{3, ""}
 | 
						|
	scaleFunc = ScaleCondition(&scaler, &preconditions, namespace, name, count, nil)
 | 
						|
	pass, err = scaleFunc()
 | 
						|
	if err == nil {
 | 
						|
		t.Errorf("Expected error on precondition failure")
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
func job() *batch.Job {
 | 
						|
	return &batch.Job{
 | 
						|
		ObjectMeta: metav1.ObjectMeta{
 | 
						|
			Namespace: api.NamespaceDefault,
 | 
						|
			Name:      "foo",
 | 
						|
		},
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
func TestJobScale(t *testing.T) {
 | 
						|
	fakeClientset := fake.NewSimpleClientset(job())
 | 
						|
	scaler := JobScaler{fakeClientset.Batch()}
 | 
						|
	preconditions := ScalePrecondition{-1, ""}
 | 
						|
	count := uint(3)
 | 
						|
	name := "foo"
 | 
						|
	scaler.Scale("default", name, count, &preconditions, nil, nil)
 | 
						|
 | 
						|
	actions := fakeClientset.Actions()
 | 
						|
	if len(actions) != 2 {
 | 
						|
		t.Errorf("unexpected actions: %v, expected 2 actions (get, update)", actions)
 | 
						|
	}
 | 
						|
	if action, ok := actions[0].(testcore.GetAction); !ok || action.GetResource().GroupResource() != batch.Resource("jobs") || action.GetName() != name {
 | 
						|
		t.Errorf("unexpected action: %v, expected get-replicationController %s", actions[0], name)
 | 
						|
	}
 | 
						|
	if action, ok := actions[1].(testcore.UpdateAction); !ok || action.GetResource().GroupResource() != batch.Resource("jobs") || *action.GetObject().(*batch.Job).Spec.Parallelism != int32(count) {
 | 
						|
		t.Errorf("unexpected action %v, expected update-job with parallelism = %d", actions[1], count)
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
func TestJobScaleInvalid(t *testing.T) {
 | 
						|
	fake := &ErrorJobClient{JobsGetter: fake.NewSimpleClientset().Batch(), invalid: true}
 | 
						|
	scaler := JobScaler{fake}
 | 
						|
	preconditions := ScalePrecondition{-1, ""}
 | 
						|
	count := uint(3)
 | 
						|
	name := "foo"
 | 
						|
	namespace := "default"
 | 
						|
 | 
						|
	scaleFunc := ScaleCondition(&scaler, &preconditions, namespace, name, count, nil)
 | 
						|
	pass, err := scaleFunc()
 | 
						|
	if pass {
 | 
						|
		t.Errorf("Expected an update failure to return pass = false, got pass = %v", pass)
 | 
						|
	}
 | 
						|
	e, ok := err.(ScaleError)
 | 
						|
	if err == nil || !ok || e.FailureType != ScaleUpdateFailure {
 | 
						|
		t.Errorf("Expected error on invalid update failure, got %v", err)
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
func TestJobScaleFailsPreconditions(t *testing.T) {
 | 
						|
	ten := int32(10)
 | 
						|
	fake := fake.NewSimpleClientset(&batch.Job{
 | 
						|
		ObjectMeta: metav1.ObjectMeta{
 | 
						|
			Namespace: api.NamespaceDefault,
 | 
						|
			Name:      "foo",
 | 
						|
		},
 | 
						|
		Spec: batch.JobSpec{
 | 
						|
			Parallelism: &ten,
 | 
						|
		},
 | 
						|
	})
 | 
						|
	scaler := JobScaler{fake.Batch()}
 | 
						|
	preconditions := ScalePrecondition{2, ""}
 | 
						|
	count := uint(3)
 | 
						|
	name := "foo"
 | 
						|
	scaler.Scale("default", name, count, &preconditions, nil, nil)
 | 
						|
 | 
						|
	actions := fake.Actions()
 | 
						|
	if len(actions) != 1 {
 | 
						|
		t.Errorf("unexpected actions: %v, expected 1 actions (get)", actions)
 | 
						|
	}
 | 
						|
	if action, ok := actions[0].(testcore.GetAction); !ok || action.GetResource().GroupResource() != batch.Resource("jobs") || action.GetName() != name {
 | 
						|
		t.Errorf("unexpected action: %v, expected get-job %s", actions[0], name)
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
func TestValidateJob(t *testing.T) {
 | 
						|
	zero, ten, twenty := int32(0), int32(10), int32(20)
 | 
						|
	tests := []struct {
 | 
						|
		preconditions ScalePrecondition
 | 
						|
		job           batch.Job
 | 
						|
		expectError   bool
 | 
						|
		test          string
 | 
						|
	}{
 | 
						|
		{
 | 
						|
			preconditions: ScalePrecondition{-1, ""},
 | 
						|
			expectError:   false,
 | 
						|
			test:          "defaults",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			preconditions: ScalePrecondition{-1, ""},
 | 
						|
			job: batch.Job{
 | 
						|
				ObjectMeta: metav1.ObjectMeta{
 | 
						|
					ResourceVersion: "foo",
 | 
						|
				},
 | 
						|
				Spec: batch.JobSpec{
 | 
						|
					Parallelism: &ten,
 | 
						|
				},
 | 
						|
			},
 | 
						|
			expectError: false,
 | 
						|
			test:        "defaults 2",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			preconditions: ScalePrecondition{0, ""},
 | 
						|
			job: batch.Job{
 | 
						|
				ObjectMeta: metav1.ObjectMeta{
 | 
						|
					ResourceVersion: "foo",
 | 
						|
				},
 | 
						|
				Spec: batch.JobSpec{
 | 
						|
					Parallelism: &zero,
 | 
						|
				},
 | 
						|
			},
 | 
						|
			expectError: false,
 | 
						|
			test:        "size matches",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			preconditions: ScalePrecondition{-1, "foo"},
 | 
						|
			job: batch.Job{
 | 
						|
				ObjectMeta: metav1.ObjectMeta{
 | 
						|
					ResourceVersion: "foo",
 | 
						|
				},
 | 
						|
				Spec: batch.JobSpec{
 | 
						|
					Parallelism: &ten,
 | 
						|
				},
 | 
						|
			},
 | 
						|
			expectError: false,
 | 
						|
			test:        "resource version matches",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			preconditions: ScalePrecondition{10, "foo"},
 | 
						|
			job: batch.Job{
 | 
						|
				ObjectMeta: metav1.ObjectMeta{
 | 
						|
					ResourceVersion: "foo",
 | 
						|
				},
 | 
						|
				Spec: batch.JobSpec{
 | 
						|
					Parallelism: &ten,
 | 
						|
				},
 | 
						|
			},
 | 
						|
			expectError: false,
 | 
						|
			test:        "both match",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			preconditions: ScalePrecondition{10, "foo"},
 | 
						|
			job: batch.Job{
 | 
						|
				ObjectMeta: metav1.ObjectMeta{
 | 
						|
					ResourceVersion: "foo",
 | 
						|
				},
 | 
						|
				Spec: batch.JobSpec{
 | 
						|
					Parallelism: &twenty,
 | 
						|
				},
 | 
						|
			},
 | 
						|
			expectError: true,
 | 
						|
			test:        "size different",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			preconditions: ScalePrecondition{10, "foo"},
 | 
						|
			job: batch.Job{
 | 
						|
				ObjectMeta: metav1.ObjectMeta{
 | 
						|
					ResourceVersion: "foo",
 | 
						|
				},
 | 
						|
			},
 | 
						|
			expectError: true,
 | 
						|
			test:        "parallelism nil",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			preconditions: ScalePrecondition{10, "foo"},
 | 
						|
			job: batch.Job{
 | 
						|
				ObjectMeta: metav1.ObjectMeta{
 | 
						|
					ResourceVersion: "bar",
 | 
						|
				},
 | 
						|
				Spec: batch.JobSpec{
 | 
						|
					Parallelism: &ten,
 | 
						|
				},
 | 
						|
			},
 | 
						|
			expectError: true,
 | 
						|
			test:        "version different",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			preconditions: ScalePrecondition{10, "foo"},
 | 
						|
			job: batch.Job{
 | 
						|
				ObjectMeta: metav1.ObjectMeta{
 | 
						|
					ResourceVersion: "bar",
 | 
						|
				},
 | 
						|
				Spec: batch.JobSpec{
 | 
						|
					Parallelism: &twenty,
 | 
						|
				},
 | 
						|
			},
 | 
						|
			expectError: true,
 | 
						|
			test:        "both different",
 | 
						|
		},
 | 
						|
	}
 | 
						|
	for _, test := range tests {
 | 
						|
		err := test.preconditions.ValidateJob(&test.job)
 | 
						|
		if err != nil && !test.expectError {
 | 
						|
			t.Errorf("unexpected error: %v (%s)", err, test.test)
 | 
						|
		}
 | 
						|
		if err == nil && test.expectError {
 | 
						|
			t.Errorf("unexpected non-error: %v (%s)", err, test.test)
 | 
						|
		}
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
type ErrorDeployments struct {
 | 
						|
	extensionsclient.DeploymentInterface
 | 
						|
	conflict bool
 | 
						|
	invalid  bool
 | 
						|
}
 | 
						|
 | 
						|
func (c *ErrorDeployments) Update(deployment *extensions.Deployment) (*extensions.Deployment, error) {
 | 
						|
	switch {
 | 
						|
	case c.invalid:
 | 
						|
		return nil, kerrors.NewInvalid(api.Kind(deployment.Kind), deployment.Name, nil)
 | 
						|
	case c.conflict:
 | 
						|
		return nil, kerrors.NewConflict(api.Resource(deployment.Kind), deployment.Name, nil)
 | 
						|
	}
 | 
						|
	return nil, errors.New("deployment update failure")
 | 
						|
}
 | 
						|
 | 
						|
func (c *ErrorDeployments) Get(name string, options metav1.GetOptions) (*extensions.Deployment, error) {
 | 
						|
	return &extensions.Deployment{
 | 
						|
		Spec: extensions.DeploymentSpec{
 | 
						|
			Replicas: 0,
 | 
						|
		},
 | 
						|
	}, nil
 | 
						|
}
 | 
						|
 | 
						|
type ErrorDeploymentClient struct {
 | 
						|
	extensionsclient.DeploymentsGetter
 | 
						|
	conflict bool
 | 
						|
	invalid  bool
 | 
						|
}
 | 
						|
 | 
						|
func (c *ErrorDeploymentClient) Deployments(namespace string) extensionsclient.DeploymentInterface {
 | 
						|
	return &ErrorDeployments{
 | 
						|
		DeploymentInterface: c.DeploymentsGetter.Deployments(namespace),
 | 
						|
		invalid:             c.invalid,
 | 
						|
		conflict:            c.conflict,
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
func TestDeploymentScaleRetry(t *testing.T) {
 | 
						|
	fake := &ErrorDeploymentClient{DeploymentsGetter: fake.NewSimpleClientset().Extensions(), conflict: true}
 | 
						|
	scaler := &DeploymentScaler{fake}
 | 
						|
	preconditions := &ScalePrecondition{-1, ""}
 | 
						|
	count := uint(3)
 | 
						|
	name := "foo"
 | 
						|
	namespace := "default"
 | 
						|
 | 
						|
	scaleFunc := ScaleCondition(scaler, preconditions, namespace, name, count, nil)
 | 
						|
	pass, err := scaleFunc()
 | 
						|
	if pass != false {
 | 
						|
		t.Errorf("Expected an update failure to return pass = false, got pass = %v", pass)
 | 
						|
	}
 | 
						|
	if err != nil {
 | 
						|
		t.Errorf("Did not expect an error on update failure, got %v", err)
 | 
						|
	}
 | 
						|
	preconditions = &ScalePrecondition{3, ""}
 | 
						|
	scaleFunc = ScaleCondition(scaler, preconditions, namespace, name, count, nil)
 | 
						|
	pass, err = scaleFunc()
 | 
						|
	if err == nil {
 | 
						|
		t.Errorf("Expected error on precondition failure")
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
func deployment() *extensions.Deployment {
 | 
						|
	return &extensions.Deployment{
 | 
						|
		ObjectMeta: metav1.ObjectMeta{
 | 
						|
			Namespace: api.NamespaceDefault,
 | 
						|
			Name:      "foo",
 | 
						|
		},
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
func TestDeploymentScale(t *testing.T) {
 | 
						|
	fake := fake.NewSimpleClientset(deployment())
 | 
						|
	scaler := DeploymentScaler{fake.Extensions()}
 | 
						|
	preconditions := ScalePrecondition{-1, ""}
 | 
						|
	count := uint(3)
 | 
						|
	name := "foo"
 | 
						|
	scaler.Scale("default", name, count, &preconditions, nil, nil)
 | 
						|
 | 
						|
	actions := fake.Actions()
 | 
						|
	if len(actions) != 2 {
 | 
						|
		t.Errorf("unexpected actions: %v, expected 2 actions (get, update)", actions)
 | 
						|
	}
 | 
						|
	if action, ok := actions[0].(testcore.GetAction); !ok || action.GetResource().GroupResource() != extensions.Resource("deployments") || action.GetName() != name {
 | 
						|
		t.Errorf("unexpected action: %v, expected get-replicationController %s", actions[0], name)
 | 
						|
	}
 | 
						|
	if action, ok := actions[1].(testcore.UpdateAction); !ok || action.GetResource().GroupResource() != extensions.Resource("deployments") || action.GetObject().(*extensions.Deployment).Spec.Replicas != int32(count) {
 | 
						|
		t.Errorf("unexpected action %v, expected update-deployment with replicas = %d", actions[1], count)
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
func TestDeploymentScaleInvalid(t *testing.T) {
 | 
						|
	fake := &ErrorDeploymentClient{DeploymentsGetter: fake.NewSimpleClientset().Extensions(), invalid: true}
 | 
						|
	scaler := DeploymentScaler{fake}
 | 
						|
	preconditions := ScalePrecondition{-1, ""}
 | 
						|
	count := uint(3)
 | 
						|
	name := "foo"
 | 
						|
	namespace := "default"
 | 
						|
 | 
						|
	scaleFunc := ScaleCondition(&scaler, &preconditions, namespace, name, count, nil)
 | 
						|
	pass, err := scaleFunc()
 | 
						|
	if pass {
 | 
						|
		t.Errorf("Expected an update failure to return pass = false, got pass = %v", pass)
 | 
						|
	}
 | 
						|
	e, ok := err.(ScaleError)
 | 
						|
	if err == nil || !ok || e.FailureType != ScaleUpdateFailure {
 | 
						|
		t.Errorf("Expected error on invalid update failure, got %v", err)
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
func TestDeploymentScaleFailsPreconditions(t *testing.T) {
 | 
						|
	fake := fake.NewSimpleClientset(&extensions.Deployment{
 | 
						|
		ObjectMeta: metav1.ObjectMeta{
 | 
						|
			Namespace: api.NamespaceDefault,
 | 
						|
			Name:      "foo",
 | 
						|
		},
 | 
						|
		Spec: extensions.DeploymentSpec{
 | 
						|
			Replicas: 10,
 | 
						|
		},
 | 
						|
	})
 | 
						|
	scaler := DeploymentScaler{fake.Extensions()}
 | 
						|
	preconditions := ScalePrecondition{2, ""}
 | 
						|
	count := uint(3)
 | 
						|
	name := "foo"
 | 
						|
	scaler.Scale("default", name, count, &preconditions, nil, nil)
 | 
						|
 | 
						|
	actions := fake.Actions()
 | 
						|
	if len(actions) != 1 {
 | 
						|
		t.Errorf("unexpected actions: %v, expected 1 actions (get)", actions)
 | 
						|
	}
 | 
						|
	if action, ok := actions[0].(testcore.GetAction); !ok || action.GetResource().GroupResource() != extensions.Resource("deployments") || action.GetName() != name {
 | 
						|
		t.Errorf("unexpected action: %v, expected get-deployment %s", actions[0], name)
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
func TestValidateDeployment(t *testing.T) {
 | 
						|
	zero, ten, twenty := int32(0), int32(10), int32(20)
 | 
						|
	tests := []struct {
 | 
						|
		preconditions ScalePrecondition
 | 
						|
		deployment    extensions.Deployment
 | 
						|
		expectError   bool
 | 
						|
		test          string
 | 
						|
	}{
 | 
						|
		{
 | 
						|
			preconditions: ScalePrecondition{-1, ""},
 | 
						|
			expectError:   false,
 | 
						|
			test:          "defaults",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			preconditions: ScalePrecondition{-1, ""},
 | 
						|
			deployment: extensions.Deployment{
 | 
						|
				ObjectMeta: metav1.ObjectMeta{
 | 
						|
					ResourceVersion: "foo",
 | 
						|
				},
 | 
						|
				Spec: extensions.DeploymentSpec{
 | 
						|
					Replicas: ten,
 | 
						|
				},
 | 
						|
			},
 | 
						|
			expectError: false,
 | 
						|
			test:        "defaults 2",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			preconditions: ScalePrecondition{0, ""},
 | 
						|
			deployment: extensions.Deployment{
 | 
						|
				ObjectMeta: metav1.ObjectMeta{
 | 
						|
					ResourceVersion: "foo",
 | 
						|
				},
 | 
						|
				Spec: extensions.DeploymentSpec{
 | 
						|
					Replicas: zero,
 | 
						|
				},
 | 
						|
			},
 | 
						|
			expectError: false,
 | 
						|
			test:        "size matches",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			preconditions: ScalePrecondition{-1, "foo"},
 | 
						|
			deployment: extensions.Deployment{
 | 
						|
				ObjectMeta: metav1.ObjectMeta{
 | 
						|
					ResourceVersion: "foo",
 | 
						|
				},
 | 
						|
				Spec: extensions.DeploymentSpec{
 | 
						|
					Replicas: ten,
 | 
						|
				},
 | 
						|
			},
 | 
						|
			expectError: false,
 | 
						|
			test:        "resource version matches",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			preconditions: ScalePrecondition{10, "foo"},
 | 
						|
			deployment: extensions.Deployment{
 | 
						|
				ObjectMeta: metav1.ObjectMeta{
 | 
						|
					ResourceVersion: "foo",
 | 
						|
				},
 | 
						|
				Spec: extensions.DeploymentSpec{
 | 
						|
					Replicas: ten,
 | 
						|
				},
 | 
						|
			},
 | 
						|
			expectError: false,
 | 
						|
			test:        "both match",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			preconditions: ScalePrecondition{10, "foo"},
 | 
						|
			deployment: extensions.Deployment{
 | 
						|
				ObjectMeta: metav1.ObjectMeta{
 | 
						|
					ResourceVersion: "foo",
 | 
						|
				},
 | 
						|
				Spec: extensions.DeploymentSpec{
 | 
						|
					Replicas: twenty,
 | 
						|
				},
 | 
						|
			},
 | 
						|
			expectError: true,
 | 
						|
			test:        "size different",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			preconditions: ScalePrecondition{10, "foo"},
 | 
						|
			deployment: extensions.Deployment{
 | 
						|
				ObjectMeta: metav1.ObjectMeta{
 | 
						|
					ResourceVersion: "foo",
 | 
						|
				},
 | 
						|
			},
 | 
						|
			expectError: true,
 | 
						|
			test:        "no replicas",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			preconditions: ScalePrecondition{10, "foo"},
 | 
						|
			deployment: extensions.Deployment{
 | 
						|
				ObjectMeta: metav1.ObjectMeta{
 | 
						|
					ResourceVersion: "bar",
 | 
						|
				},
 | 
						|
				Spec: extensions.DeploymentSpec{
 | 
						|
					Replicas: ten,
 | 
						|
				},
 | 
						|
			},
 | 
						|
			expectError: true,
 | 
						|
			test:        "version different",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			preconditions: ScalePrecondition{10, "foo"},
 | 
						|
			deployment: extensions.Deployment{
 | 
						|
				ObjectMeta: metav1.ObjectMeta{
 | 
						|
					ResourceVersion: "bar",
 | 
						|
				},
 | 
						|
				Spec: extensions.DeploymentSpec{
 | 
						|
					Replicas: twenty,
 | 
						|
				},
 | 
						|
			},
 | 
						|
			expectError: true,
 | 
						|
			test:        "both different",
 | 
						|
		},
 | 
						|
	}
 | 
						|
	for _, test := range tests {
 | 
						|
		err := test.preconditions.ValidateDeployment(&test.deployment)
 | 
						|
		if err != nil && !test.expectError {
 | 
						|
			t.Errorf("unexpected error: %v (%s)", err, test.test)
 | 
						|
		}
 | 
						|
		if err == nil && test.expectError {
 | 
						|
			t.Errorf("unexpected non-error: %v (%s)", err, test.test)
 | 
						|
		}
 | 
						|
	}
 | 
						|
}
 |