Add glide.yaml and vendor deps

vendor/k8s.io/kubernetes/pkg/fieldpath/fieldpath_test.go

@@ -0,0 +1,236 @@
+/*
+Copyright 2015 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 fieldpath
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"k8s.io/kubernetes/pkg/api/resource"
+	"k8s.io/kubernetes/pkg/api/v1"
+)
+
+func TestExtractFieldPathAsString(t *testing.T) {
+	cases := []struct {
+		name                    string
+		fieldPath               string
+		obj                     interface{}
+		expectedValue           string
+		expectedMessageFragment string
+	}{
+		{
+			name:      "not an API object",
+			fieldPath: "metadata.name",
+			obj:       "",
+			expectedMessageFragment: "expected struct",
+		},
+		{
+			name:      "ok - namespace",
+			fieldPath: "metadata.namespace",
+			obj: &v1.Pod{
+				ObjectMeta: v1.ObjectMeta{
+					Namespace: "object-namespace",
+				},
+			},
+			expectedValue: "object-namespace",
+		},
+		{
+			name:      "ok - name",
+			fieldPath: "metadata.name",
+			obj: &v1.Pod{
+				ObjectMeta: v1.ObjectMeta{
+					Name: "object-name",
+				},
+			},
+			expectedValue: "object-name",
+		},
+		{
+			name:      "ok - labels",
+			fieldPath: "metadata.labels",
+			obj: &v1.Pod{
+				ObjectMeta: v1.ObjectMeta{
+					Labels: map[string]string{"key": "value"},
+				},
+			},
+			expectedValue: "key=\"value\"",
+		},
+		{
+			name:      "ok - labels bslash n",
+			fieldPath: "metadata.labels",
+			obj: &v1.Pod{
+				ObjectMeta: v1.ObjectMeta{
+					Labels: map[string]string{"key": "value\n"},
+				},
+			},
+			expectedValue: "key=\"value\\n\"",
+		},
+		{
+			name:      "ok - annotations",
+			fieldPath: "metadata.annotations",
+			obj: &v1.Pod{
+				ObjectMeta: v1.ObjectMeta{
+					Annotations: map[string]string{"builder": "john-doe"},
+				},
+			},
+			expectedValue: "builder=\"john-doe\"",
+		},
+
+		{
+			name:      "invalid expression",
+			fieldPath: "metadata.whoops",
+			obj: &v1.Pod{
+				ObjectMeta: v1.ObjectMeta{
+					Namespace: "object-namespace",
+				},
+			},
+			expectedMessageFragment: "Unsupported fieldPath",
+		},
+	}
+
+	for _, tc := range cases {
+		actual, err := ExtractFieldPathAsString(tc.obj, tc.fieldPath)
+		if err != nil {
+			if tc.expectedMessageFragment != "" {
+				if !strings.Contains(err.Error(), tc.expectedMessageFragment) {
+					t.Errorf("%v: Unexpected error message: %q, expected to contain %q", tc.name, err, tc.expectedMessageFragment)
+				}
+			} else {
+				t.Errorf("%v: unexpected error: %v", tc.name, err)
+			}
+		} else if e := tc.expectedValue; e != "" && e != actual {
+			t.Errorf("%v: Unexpected result; got %q, expected %q", tc.name, actual, e)
+		}
+	}
+}
+
+func getPod(cname, cpuRequest, cpuLimit, memoryRequest, memoryLimit string) *v1.Pod {
+	resources := v1.ResourceRequirements{
+		Limits:   make(v1.ResourceList),
+		Requests: make(v1.ResourceList),
+	}
+	if cpuLimit != "" {
+		resources.Limits[v1.ResourceCPU] = resource.MustParse(cpuLimit)
+	}
+	if memoryLimit != "" {
+		resources.Limits[v1.ResourceMemory] = resource.MustParse(memoryLimit)
+	}
+	if cpuRequest != "" {
+		resources.Requests[v1.ResourceCPU] = resource.MustParse(cpuRequest)
+	}
+	if memoryRequest != "" {
+		resources.Requests[v1.ResourceMemory] = resource.MustParse(memoryRequest)
+	}
+	return &v1.Pod{
+		Spec: v1.PodSpec{
+			Containers: []v1.Container{
+				{
+					Name:      cname,
+					Resources: resources,
+				},
+			},
+		},
+	}
+}
+
+func TestExtractResourceValue(t *testing.T) {
+	cases := []struct {
+		fs            *v1.ResourceFieldSelector
+		pod           *v1.Pod
+		cName         string
+		expectedValue string
+		expectedError error
+	}{
+		{
+			fs: &v1.ResourceFieldSelector{
+				Resource: "limits.cpu",
+			},
+			cName:         "foo",
+			pod:           getPod("foo", "", "9", "", ""),
+			expectedValue: "9",
+		},
+		{
+			fs: &v1.ResourceFieldSelector{
+				Resource: "requests.cpu",
+			},
+			cName:         "foo",
+			pod:           getPod("foo", "", "", "", ""),
+			expectedValue: "0",
+		},
+		{
+			fs: &v1.ResourceFieldSelector{
+				Resource: "requests.cpu",
+			},
+			cName:         "foo",
+			pod:           getPod("foo", "8", "", "", ""),
+			expectedValue: "8",
+		},
+		{
+			fs: &v1.ResourceFieldSelector{
+				Resource: "requests.cpu",
+			},
+			cName:         "foo",
+			pod:           getPod("foo", "100m", "", "", ""),
+			expectedValue: "1",
+		},
+		{
+			fs: &v1.ResourceFieldSelector{
+				Resource: "requests.cpu",
+				Divisor:  resource.MustParse("100m"),
+			},
+			cName:         "foo",
+			pod:           getPod("foo", "1200m", "", "", ""),
+			expectedValue: "12",
+		},
+		{
+			fs: &v1.ResourceFieldSelector{
+				Resource: "requests.memory",
+			},
+			cName:         "foo",
+			pod:           getPod("foo", "", "", "100Mi", ""),
+			expectedValue: "104857600",
+		},
+		{
+			fs: &v1.ResourceFieldSelector{
+				Resource: "requests.memory",
+				Divisor:  resource.MustParse("1Mi"),
+			},
+			cName:         "foo",
+			pod:           getPod("foo", "", "", "100Mi", "1Gi"),
+			expectedValue: "100",
+		},
+		{
+			fs: &v1.ResourceFieldSelector{
+				Resource: "limits.memory",
+			},
+			cName:         "foo",
+			pod:           getPod("foo", "", "", "10Mi", "100Mi"),
+			expectedValue: "104857600",
+		},
+	}
+	as := assert.New(t)
+	for idx, tc := range cases {
+		actual, err := ExtractResourceValueByContainerName(tc.fs, tc.pod, tc.cName)
+		if tc.expectedError != nil {
+			as.Equal(tc.expectedError, err, "expected test case [%d] to fail with error %v; got %v", idx, tc.expectedError, err)
+		} else {
+			as.Nil(err, "expected test case [%d] to not return an error; got %v", idx, err)
+			as.Equal(tc.expectedValue, actual, "expected test case [%d] to return %q; got %q instead", idx, tc.expectedValue, actual)
+		}
+	}
+}