add defaults test

hack/.linted_packages

@@ -71,6 +71,7 @@ pkg/apis/authentication.k8s.io/install
 pkg/apis/authentication/install
 pkg/apis/authorization/install
 pkg/apis/autoscaling/install
+pkg/apis/autoscaling/v1
 pkg/apis/batch/install
 pkg/apis/batch/v1
 pkg/apis/batch/v2alpha1

pkg/apis/autoscaling/v1/BUILD

@@ -37,3 +37,16 @@ go_library(
         "//vendor:github.com/ugorji/go/codec",
     ],
 )
+
+go_test(
+    name = "go_default_xtest",
+    srcs = ["defaults_test.go"],
+    tags = ["automanaged"],
+    deps = [
+        "//pkg/api:go_default_library",
+        "//pkg/api/install:go_default_library",
+        "//pkg/apis/autoscaling/install:go_default_library",
+        "//pkg/apis/autoscaling/v1:go_default_library",
+        "//pkg/runtime:go_default_library",
+    ],
+)

pkg/apis/autoscaling/v1/defaults_test.go

@@ -0,0 +1,91 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package v1_test
+
+import (
+	"reflect"
+	"testing"
+
+	"k8s.io/kubernetes/pkg/api"
+	_ "k8s.io/kubernetes/pkg/api/install"
+	_ "k8s.io/kubernetes/pkg/apis/autoscaling/install"
+	. "k8s.io/kubernetes/pkg/apis/autoscaling/v1"
+	"k8s.io/kubernetes/pkg/runtime"
+)
+
+func TestSetDefaultHPA(t *testing.T) {
+	tests := []struct {
+		hpa            HorizontalPodAutoscaler
+		expectReplicas int32
+		test           string
+	}{
+		{
+			hpa:            HorizontalPodAutoscaler{},
+			expectReplicas: 1,
+			test:           "unspecified min replicas, use the default value",
+		},
+		{
+			hpa: HorizontalPodAutoscaler{
+				Spec: HorizontalPodAutoscalerSpec{
+					MinReplicas: newInt32(3),
+				},
+			},
+			expectReplicas: 3,
+			test:           "set min replicas to 3",
+		},
+	}
+
+	for _, test := range tests {
+		hpa := &test.hpa
+		obj2 := roundTrip(t, runtime.Object(hpa))
+		hpa2, ok := obj2.(*HorizontalPodAutoscaler)
+		if !ok {
+			t.Fatalf("unexpected object: %v", obj2)
+		}
+		if hpa2.Spec.MinReplicas == nil {
+			t.Errorf("unexpected nil MinReplicas")
+		} else if test.expectReplicas != *hpa2.Spec.MinReplicas {
+			t.Errorf("expected: %d MinReplicas, got: %d", test.expectReplicas, *hpa2.Spec.MinReplicas)
+		}
+	}
+}
+
+func roundTrip(t *testing.T, obj runtime.Object) runtime.Object {
+	data, err := runtime.Encode(api.Codecs.LegacyCodec(SchemeGroupVersion), obj)
+	if err != nil {
+		t.Errorf("%v\n %#v", err, obj)
+		return nil
+	}
+	obj2, err := runtime.Decode(api.Codecs.UniversalDecoder(), data)
+	if err != nil {
+		t.Errorf("%v\nData: %s\nSource: %#v", err, string(data), obj)
+		return nil
+	}
+	obj3 := reflect.New(reflect.TypeOf(obj).Elem()).Interface().(runtime.Object)
+	err = api.Scheme.Convert(obj2, obj3, nil)
+	if err != nil {
+		t.Errorf("%v\nSource: %#v", err, obj2)
+		return nil
+	}
+	return obj3
+}
+
+func newInt32(val int32) *int32 {
+	p := new(int32)
+	*p = val
+	return p
+}

test/test_owners.csv

@@ -513,6 +513,7 @@ k8s.io/kubernetes/pkg/apimachinery/registered,jlowdermilk,1
 k8s.io/kubernetes/pkg/apis/abac/v0,liggitt,0
 k8s.io/kubernetes/pkg/apis/apps/validation,derekwaynecarr,1
 k8s.io/kubernetes/pkg/apis/authorization/validation,erictune,0
+k8s.io/kubernetes/pkg/apis/autoscaling/v1,yarntime,0
 k8s.io/kubernetes/pkg/apis/autoscaling/validation,mtaufen,1
 k8s.io/kubernetes/pkg/apis/batch/v1,vishh,1
 k8s.io/kubernetes/pkg/apis/batch/v2alpha1,jlowdermilk,1