Replace godep with dep

vendor/k8s.io/kubernetes/pkg/volume/util/util_test.go

@@ -0,0 +1,265 @@
+/*
+Copyright 2017 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 util
+
+import (
+	"io/ioutil"
+	"os"
+	"testing"
+
+	"k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/util/sets"
+	// util.go uses api.Codecs.LegacyCodec so import this package to do some
+	// resource initialization.
+	_ "k8s.io/kubernetes/pkg/api/install"
+	"k8s.io/kubernetes/pkg/api/v1/helper"
+)
+
+var nodeLabels map[string]string = map[string]string{
+	"test-key1": "test-value1",
+	"test-key2": "test-value2",
+}
+
+func TestCheckNodeAffinity(t *testing.T) {
+	type affinityTest struct {
+		name          string
+		expectSuccess bool
+		pv            *v1.PersistentVolume
+	}
+
+	cases := []affinityTest{
+		{
+			name:          "valid-no-constraints",
+			expectSuccess: true,
+			pv:            testVolumeWithNodeAffinity(t, &v1.NodeAffinity{}),
+		},
+		{
+			name:          "valid-constraints",
+			expectSuccess: true,
+			pv: testVolumeWithNodeAffinity(t, &v1.NodeAffinity{
+				RequiredDuringSchedulingIgnoredDuringExecution: &v1.NodeSelector{
+					NodeSelectorTerms: []v1.NodeSelectorTerm{
+						{
+							MatchExpressions: []v1.NodeSelectorRequirement{
+								{
+									Key:      "test-key1",
+									Operator: v1.NodeSelectorOpIn,
+									Values:   []string{"test-value1", "test-value3"},
+								},
+								{
+									Key:      "test-key2",
+									Operator: v1.NodeSelectorOpIn,
+									Values:   []string{"test-value0", "test-value2"},
+								},
+							},
+						},
+					},
+				},
+			}),
+		},
+		{
+			name:          "invalid-key",
+			expectSuccess: false,
+			pv: testVolumeWithNodeAffinity(t, &v1.NodeAffinity{
+				RequiredDuringSchedulingIgnoredDuringExecution: &v1.NodeSelector{
+					NodeSelectorTerms: []v1.NodeSelectorTerm{
+						{
+							MatchExpressions: []v1.NodeSelectorRequirement{
+								{
+									Key:      "test-key1",
+									Operator: v1.NodeSelectorOpIn,
+									Values:   []string{"test-value1", "test-value3"},
+								},
+								{
+									Key:      "test-key3",
+									Operator: v1.NodeSelectorOpIn,
+									Values:   []string{"test-value0", "test-value2"},
+								},
+							},
+						},
+					},
+				},
+			}),
+		},
+		{
+			name:          "invalid-values",
+			expectSuccess: false,
+			pv: testVolumeWithNodeAffinity(t, &v1.NodeAffinity{
+				RequiredDuringSchedulingIgnoredDuringExecution: &v1.NodeSelector{
+					NodeSelectorTerms: []v1.NodeSelectorTerm{
+						{
+							MatchExpressions: []v1.NodeSelectorRequirement{
+								{
+									Key:      "test-key1",
+									Operator: v1.NodeSelectorOpIn,
+									Values:   []string{"test-value3", "test-value4"},
+								},
+								{
+									Key:      "test-key2",
+									Operator: v1.NodeSelectorOpIn,
+									Values:   []string{"test-value0", "test-value2"},
+								},
+							},
+						},
+					},
+				},
+			}),
+		},
+	}
+
+	for _, c := range cases {
+		err := CheckNodeAffinity(c.pv, nodeLabels)
+
+		if err != nil && c.expectSuccess {
+			t.Errorf("CheckTopology %v returned error: %v", c.name, err)
+		}
+		if err == nil && !c.expectSuccess {
+			t.Errorf("CheckTopology %v returned success, expected error", c.name)
+		}
+	}
+}
+
+func testVolumeWithNodeAffinity(t *testing.T, affinity *v1.NodeAffinity) *v1.PersistentVolume {
+	objMeta := metav1.ObjectMeta{Name: "test-constraints"}
+	objMeta.Annotations = map[string]string{}
+	err := helper.StorageNodeAffinityToAlphaAnnotation(objMeta.Annotations, affinity)
+	if err != nil {
+		t.Fatalf("Failed to get node affinity annotation: %v", err)
+	}
+
+	return &v1.PersistentVolume{
+		ObjectMeta: objMeta,
+	}
+}
+
+func TestLoadPodFromFile(t *testing.T) {
+	tests := []struct {
+		name        string
+		content     string
+		expectError bool
+	}{
+		{
+			"yaml",
+			`
+apiVersion: v1
+kind: Pod
+metadata:
+  name: testpod
+spec:
+  containers:
+    - image: gcr.io/google_containers/busybox
+`,
+			false,
+		},
+
+		{
+			"json",
+			`
+{
+  "apiVersion": "v1",
+  "kind": "Pod",
+  "metadata": {
+    "name": "testpod"
+  },
+  "spec": {
+    "containers": [
+      {
+        "image": "gcr.io/google_containers/busybox"
+      }
+    ]
+  }
+}`,
+			false,
+		},
+
+		{
+			"invalid pod",
+			`
+apiVersion: v1
+kind: Pod
+metadata:
+  name: testpod
+spec:
+  - image: gcr.io/google_containers/busybox
+`,
+			true,
+		},
+	}
+
+	for _, test := range tests {
+		tempFile, err := ioutil.TempFile("", "podfile")
+		defer os.Remove(tempFile.Name())
+		if err != nil {
+			t.Fatalf("cannot create temporary file: %v", err)
+		}
+		if _, err = tempFile.Write([]byte(test.content)); err != nil {
+			t.Fatalf("cannot save temporary file: %v", err)
+		}
+		if err = tempFile.Close(); err != nil {
+			t.Fatalf("cannot close temporary file: %v", err)
+		}
+
+		pod, err := LoadPodFromFile(tempFile.Name())
+		if test.expectError {
+			if err == nil {
+				t.Errorf("test %q expected error, got nil", test.name)
+			}
+		} else {
+			// no error expected
+			if err != nil {
+				t.Errorf("error loading pod %q: %v", test.name, err)
+			}
+			if pod == nil {
+				t.Errorf("test %q expected pod, got nil", test.name)
+			}
+		}
+	}
+}
+func TestZonesToSet(t *testing.T) {
+	functionUnderTest := "ZonesToSet"
+	// First part: want an error
+	sliceOfZones := []string{"", ",", "us-east-1a, , us-east-1d", ", us-west-1b", "us-west-2b,"}
+	for _, zones := range sliceOfZones {
+		if got, err := ZonesToSet(zones); err == nil {
+			t.Errorf("%v(%v) returned (%v), want (%v)", functionUnderTest, zones, got, "an error")
+		}
+	}
+
+	// Second part: want no error
+	tests := []struct {
+		zones string
+		want  sets.String
+	}{
+		{
+			zones: "us-east-1a",
+			want:  sets.String{"us-east-1a": sets.Empty{}},
+		},
+		{
+			zones: "us-east-1a, us-west-2a",
+			want: sets.String{
+				"us-east-1a": sets.Empty{},
+				"us-west-2a": sets.Empty{},
+			},
+		},
+	}
+	for _, tt := range tests {
+		if got, err := ZonesToSet(tt.zones); err != nil || !got.Equal(tt.want) {
+			t.Errorf("%v(%v) returned (%v), want (%v)", functionUnderTest, tt.zones, got, tt.want)
+		}
+	}
+}