120 lines
4.0 KiB
Go
120 lines
4.0 KiB
Go
/*
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Copyright 2016 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 utils
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import (
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"testing"
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"time"
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"k8s.io/autoscaler/cluster-autoscaler/simulator/framework"
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"k8s.io/autoscaler/cluster-autoscaler/utils/taints"
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. "k8s.io/autoscaler/cluster-autoscaler/utils/test"
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"github.com/stretchr/testify/assert"
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apiv1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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)
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func TestSanitizePods(t *testing.T) {
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pod := BuildTestPod("p1", 80, 0)
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pod.Spec.NodeName = "n1"
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pods := []*framework.PodInfo{{Pod: pod}}
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node := BuildTestNode("node", 1000, 1000)
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resNode, err := SanitizeNode(node, "test-group", taints.TaintConfig{})
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assert.NoError(t, err)
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res := SanitizePods(pods, resNode)
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assert.Equal(t, 1, len(res))
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}
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func TestSanitizeLabels(t *testing.T) {
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oldNode := BuildTestNode("ng1-1", 1000, 1000)
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oldNode.Labels = map[string]string{
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apiv1.LabelHostname: "abc",
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"x": "y",
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}
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node, err := SanitizeNode(oldNode, "bzium", taints.TaintConfig{})
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assert.NoError(t, err)
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assert.NotEqual(t, node.Labels[apiv1.LabelHostname], "abc", nil)
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assert.Equal(t, node.Labels["x"], "y")
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assert.NotEqual(t, node.Name, oldNode.Name)
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assert.Equal(t, node.Labels[apiv1.LabelHostname], node.Name)
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}
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func TestGetNodeResource(t *testing.T) {
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node := BuildTestNode("n1", 1000, 2*MiB)
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cores := getNodeResource(node, apiv1.ResourceCPU)
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assert.Equal(t, int64(1), cores)
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memory := getNodeResource(node, apiv1.ResourceMemory)
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assert.Equal(t, int64(2*MiB), memory)
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unknownResourceValue := getNodeResource(node, "unknown resource")
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assert.Equal(t, int64(0), unknownResourceValue)
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// if we have no resources in capacity we expect getNodeResource to return 0
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nodeWithMissingCapacity := BuildTestNode("n1", 1000, 2*MiB)
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nodeWithMissingCapacity.Status.Capacity = apiv1.ResourceList{}
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cores = getNodeResource(nodeWithMissingCapacity, apiv1.ResourceCPU)
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assert.Equal(t, int64(0), cores)
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memory = getNodeResource(nodeWithMissingCapacity, apiv1.ResourceMemory)
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assert.Equal(t, int64(0), memory)
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// if we have negative values in resources we expect getNodeResource to return 0
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nodeWithNegativeCapacity := BuildTestNode("n1", -1000, -2*MiB)
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nodeWithNegativeCapacity.Status.Capacity = apiv1.ResourceList{}
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cores = getNodeResource(nodeWithNegativeCapacity, apiv1.ResourceCPU)
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assert.Equal(t, int64(0), cores)
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memory = getNodeResource(nodeWithNegativeCapacity, apiv1.ResourceMemory)
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assert.Equal(t, int64(0), memory)
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}
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func TestGetNodeCoresAndMemory(t *testing.T) {
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node := BuildTestNode("n1", 2000, 2048*MiB)
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cores, memory := GetNodeCoresAndMemory(node)
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assert.Equal(t, int64(2), cores)
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assert.Equal(t, int64(2048*MiB), memory)
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// if we have no cpu/memory defined in capacity we expect getNodeCoresAndMemory to return 0s
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nodeWithMissingCapacity := BuildTestNode("n1", 1000, 2*MiB)
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nodeWithMissingCapacity.Status.Capacity = apiv1.ResourceList{}
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cores, memory = GetNodeCoresAndMemory(nodeWithMissingCapacity)
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assert.Equal(t, int64(0), cores)
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assert.Equal(t, int64(0), memory)
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}
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func TestGetOldestPod(t *testing.T) {
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p1 := BuildTestPod("p1", 500, 1000)
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p1.CreationTimestamp = metav1.NewTime(time.Now().Add(-1 * time.Minute))
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p2 := BuildTestPod("p2", 500, 1000)
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p2.CreationTimestamp = metav1.NewTime(time.Now().Add(+1 * time.Minute))
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p3 := BuildTestPod("p3", 500, 1000)
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p3.CreationTimestamp = metav1.NewTime(time.Now())
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assert.Equal(t, p1.CreationTimestamp.Time, GetOldestCreateTime([]*apiv1.Pod{p1, p2, p3}))
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assert.Equal(t, p1.CreationTimestamp.Time, GetOldestCreateTime([]*apiv1.Pod{p3, p2, p1}))
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}
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