func TestSetDefaultPodSpecHostNetwork(t *testing.T) {
	portNum := 8080
	s := versioned.PodSpec{}
	s.HostNetwork = true
	s.Containers = []versioned.Container{
		{
			Ports: []versioned.ContainerPort{
				{
					ContainerPort: portNum,
				},
			},
		},
	}
	pod := &versioned.Pod{
		Spec: s,
	}
	obj2 := roundTrip(t, runtime.Object(pod))
	pod2 := obj2.(*versioned.Pod)
	s2 := pod2.Spec

	hostPortNum := s2.Containers[0].Ports[0].HostPort
	if hostPortNum != portNum {
		t.Errorf("Expected container port to be defaulted, was made %d instead of %d", hostPortNum, portNum)
	}
}

func TestDefaultRequestIsNotSetForReplicaSet(t *testing.T) {
	s := v1.PodSpec{}
	s.Containers = []v1.Container{
		{
			Resources: v1.ResourceRequirements{
				Limits: v1.ResourceList{
					v1.ResourceCPU: resource.MustParse("100m"),
				},
			},
		},
	}
	rs := &ReplicaSet{
		Spec: ReplicaSetSpec{
			Replicas: newInt32(3),
			Template: v1.PodTemplateSpec{
				ObjectMeta: v1.ObjectMeta{
					Labels: map[string]string{
						"foo": "bar",
					},
				},
				Spec: s,
			},
		},
	}
	output := roundTrip(t, runtime.Object(rs))
	rs2 := output.(*ReplicaSet)
	defaultRequest := rs2.Spec.Template.Spec.Containers[0].Resources.Requests
	requestValue := defaultRequest[v1.ResourceCPU]
	if requestValue.String() != "0" {
		t.Errorf("Expected 0 request value, got: %s", requestValue.String())
	}
}

func TestDefaultRequestIsNotSetForReplicationController(t *testing.T) {
	s := versioned.PodSpec{}
	s.Containers = []versioned.Container{
		{
			Resources: versioned.ResourceRequirements{
				Limits: versioned.ResourceList{
					versioned.ResourceCPU: resource.MustParse("100m"),
				},
			},
		},
	}
	rc := &versioned.ReplicationController{
		Spec: versioned.ReplicationControllerSpec{
			Replicas: newInt(3),
			Template: &versioned.PodTemplateSpec{
				ObjectMeta: versioned.ObjectMeta{
					Labels: map[string]string{
						"foo": "bar",
					},
				},
				Spec: s,
			},
		},
	}
	output := roundTrip(t, runtime.Object(rc))
	rc2 := output.(*versioned.ReplicationController)
	defaultRequest := rc2.Spec.Template.Spec.Containers[0].Resources.Requests
	requestValue := defaultRequest[versioned.ResourceCPU]
	if requestValue.String() != "0" {
		t.Errorf("Expected 0 request value, got: %s", requestValue.String())
	}
}

func TestSetDefaultRequestsPod(t *testing.T) {
	// verify we default if limits are specified (and that request=0 is preserved)
	s := versioned.PodSpec{}
	s.Containers = []versioned.Container{
		{
			Resources: versioned.ResourceRequirements{
				Requests: versioned.ResourceList{
					versioned.ResourceMemory: resource.MustParse("0"),
				},
				Limits: versioned.ResourceList{
					versioned.ResourceCPU:    resource.MustParse("100m"),
					versioned.ResourceMemory: resource.MustParse("1Gi"),
				},
			},
		},
	}
	pod := &versioned.Pod{
		Spec: s,
	}
	output := roundTrip(t, runtime.Object(pod))
	pod2 := output.(*versioned.Pod)
	defaultRequest := pod2.Spec.Containers[0].Resources.Requests
	if requestValue := defaultRequest[versioned.ResourceCPU]; requestValue.String() != "100m" {
		t.Errorf("Expected request cpu: %s, got: %s", "100m", requestValue.String())
	}
	if requestValue := defaultRequest[versioned.ResourceMemory]; requestValue.String() != "0" {
		t.Errorf("Expected request memory: %s, got: %s", "0", requestValue.String())
	}

	// verify we do nothing if no limits are specified
	s = versioned.PodSpec{}
	s.Containers = []versioned.Container{{}}
	pod = &versioned.Pod{
		Spec: s,
	}
	output = roundTrip(t, runtime.Object(pod))
	pod2 = output.(*versioned.Pod)
	defaultRequest = pod2.Spec.Containers[0].Resources.Requests
	if requestValue := defaultRequest[versioned.ResourceCPU]; requestValue.String() != "0" {
		t.Errorf("Expected 0 request value, got: %s", requestValue.String())
	}
}

func TestSetDefaultDownwardAPIVolumeSource(t *testing.T) {
	s := versioned.PodSpec{}
	s.Volumes = []versioned.Volume{
		{
			VolumeSource: versioned.VolumeSource{
				DownwardAPI: &versioned.DownwardAPIVolumeSource{},
			},
		},
	}
	pod := &versioned.Pod{
		Spec: s,
	}
	output := roundTrip(t, runtime.Object(pod))
	pod2 := output.(*versioned.Pod)
	defaultMode := pod2.Spec.Volumes[0].VolumeSource.DownwardAPI.DefaultMode
	expectedMode := versioned.DownwardAPIVolumeSourceDefaultMode

	if defaultMode == nil || *defaultMode != expectedMode {
		t.Errorf("Expected DownwardAPI DefaultMode %v, got %v", expectedMode, defaultMode)
	}
}

func TestSetDefaultConfigMapVolumeSource(t *testing.T) {
	s := v1.PodSpec{}
	s.Volumes = []v1.Volume{
		{
			VolumeSource: v1.VolumeSource{
				ConfigMap: &v1.ConfigMapVolumeSource{},
			},
		},
	}
	pod := &v1.Pod{
		Spec: s,
	}
	output := roundTrip(t, runtime.Object(pod))
	pod2 := output.(*v1.Pod)
	defaultMode := pod2.Spec.Volumes[0].VolumeSource.ConfigMap.DefaultMode
	expectedMode := v1.ConfigMapVolumeSourceDefaultMode

	if defaultMode == nil || *defaultMode != expectedMode {
		t.Errorf("Expected ConfigMap DefaultMode %v, got %v", expectedMode, defaultMode)
	}
}

func TestSetMinimumScalePod(t *testing.T) {
	// verify we default if limits are specified (and that request=0 is preserved)
	s := versioned.PodSpec{}
	s.Containers = []versioned.Container{
		{
			Resources: versioned.ResourceRequirements{
				Requests: versioned.ResourceList{
					versioned.ResourceMemory: resource.MustParse("1n"),
				},
				Limits: versioned.ResourceList{
					versioned.ResourceCPU: resource.MustParse("2n"),
				},
			},
		},
	}
	pod := &versioned.Pod{
		Spec: s,
	}
	versioned.SetObjectDefaults_Pod(pod)

	if expect := resource.MustParse("1m"); expect.Cmp(pod.Spec.Containers[0].Resources.Requests[versioned.ResourceMemory]) != 0 {
		t.Errorf("did not round resources: %#v", pod.Spec.Containers[0].Resources)
	}
}

// The following two PodSpec conversions functions where copied from pkg/api/conversion.go
// for the generated functions to work properly.
// This should be fixed: https://github.com/kubernetes/kubernetes/issues/12977
func Convert_api_PodSpec_To_v1_PodSpec(in *api.PodSpec, out *v1.PodSpec, s conversion.Scope) error {
	if defaulting, found := s.DefaultingInterface(reflect.TypeOf(*in)); found {
		defaulting.(func(*api.PodSpec))(in)
	}
	if in.Volumes != nil {
		out.Volumes = make([]v1.Volume, len(in.Volumes))
		for i := range in.Volumes {
			if err := Convert_api_Volume_To_v1_Volume(&in.Volumes[i], &out.Volumes[i], s); err != nil {
				return err
			}
		}
	} else {
		out.Volumes = nil
	}
	if in.Containers != nil {
		out.Containers = make([]v1.Container, len(in.Containers))
		for i := range in.Containers {
			if err := Convert_api_Container_To_v1_Container(&in.Containers[i], &out.Containers[i], s); err != nil {
				return err
			}
		}
	} else {
		out.Containers = nil
	}
	out.RestartPolicy = v1.RestartPolicy(in.RestartPolicy)
	if in.TerminationGracePeriodSeconds != nil {
		out.TerminationGracePeriodSeconds = new(int64)
		*out.TerminationGracePeriodSeconds = *in.TerminationGracePeriodSeconds
	} else {
		out.TerminationGracePeriodSeconds = nil
	}
	if in.ActiveDeadlineSeconds != nil {
		out.ActiveDeadlineSeconds = new(int64)
		*out.ActiveDeadlineSeconds = *in.ActiveDeadlineSeconds
	} else {
		out.ActiveDeadlineSeconds = nil
	}
	out.DNSPolicy = v1.DNSPolicy(in.DNSPolicy)
	if in.NodeSelector != nil {
		out.NodeSelector = make(map[string]string)
		for key, val := range in.NodeSelector {
			out.NodeSelector[key] = val
		}
	} else {
		out.NodeSelector = nil
	}
	out.ServiceAccountName = in.ServiceAccountName
	// DeprecatedServiceAccount is an alias for ServiceAccountName.
	out.DeprecatedServiceAccount = in.ServiceAccountName
	out.NodeName = in.NodeName
	if in.SecurityContext != nil {
		out.SecurityContext = new(v1.PodSecurityContext)
		if err := Convert_api_PodSecurityContext_To_v1_PodSecurityContext(in.SecurityContext, out.SecurityContext, s); err != nil {
			return err
		}

		out.HostNetwork = in.SecurityContext.HostNetwork
		out.HostPID = in.SecurityContext.HostPID
		out.HostIPC = in.SecurityContext.HostIPC
	}
	if in.ImagePullSecrets != nil {
		out.ImagePullSecrets = make([]v1.LocalObjectReference, len(in.ImagePullSecrets))
		for i := range in.ImagePullSecrets {
			if err := Convert_api_LocalObjectReference_To_v1_LocalObjectReference(&in.ImagePullSecrets[i], &out.ImagePullSecrets[i], s); err != nil {
				return err
			}
		}
	} else {
		out.ImagePullSecrets = nil
	}
	return nil
}

func deepCopy_v1_PodSpec(in v1.PodSpec, out *v1.PodSpec, c *conversion.Cloner) error {
	if in.Volumes != nil {
		out.Volumes = make([]v1.Volume, len(in.Volumes))
		for i := range in.Volumes {
			if err := deepCopy_v1_Volume(in.Volumes[i], &out.Volumes[i], c); err != nil {
				return err
			}
		}
	} else {
		out.Volumes = nil
	}
	if in.Containers != nil {
		out.Containers = make([]v1.Container, len(in.Containers))
		for i := range in.Containers {
			if err := deepCopy_v1_Container(in.Containers[i], &out.Containers[i], c); err != nil {
				return err
			}
		}
	} else {
		out.Containers = nil
	}
	out.RestartPolicy = in.RestartPolicy
	if in.TerminationGracePeriodSeconds != nil {
		out.TerminationGracePeriodSeconds = new(int64)
		*out.TerminationGracePeriodSeconds = *in.TerminationGracePeriodSeconds
	} else {
		out.TerminationGracePeriodSeconds = nil
	}
	if in.ActiveDeadlineSeconds != nil {
		out.ActiveDeadlineSeconds = new(int64)
		*out.ActiveDeadlineSeconds = *in.ActiveDeadlineSeconds
	} else {
		out.ActiveDeadlineSeconds = nil
	}
	out.DNSPolicy = in.DNSPolicy
	if in.NodeSelector != nil {
		out.NodeSelector = make(map[string]string)
		for key, val := range in.NodeSelector {
			out.NodeSelector[key] = val
		}
	} else {
		out.NodeSelector = nil
	}
	out.ServiceAccountName = in.ServiceAccountName
	out.DeprecatedServiceAccount = in.DeprecatedServiceAccount
	out.NodeName = in.NodeName
	out.HostNetwork = in.HostNetwork
	out.HostPID = in.HostPID
	out.HostIPC = in.HostIPC
	if in.ImagePullSecrets != nil {
		out.ImagePullSecrets = make([]v1.LocalObjectReference, len(in.ImagePullSecrets))
		for i := range in.ImagePullSecrets {
			if err := deepCopy_v1_LocalObjectReference(in.ImagePullSecrets[i], &out.ImagePullSecrets[i], c); err != nil {
				return err
			}
		}
	} else {
		out.ImagePullSecrets = nil
	}
	return nil
}