127 lines
3.4 KiB
Go
127 lines
3.4 KiB
Go
/*
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Copyright 2015 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 instances
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import (
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"testing"
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"k8s.io/apimachinery/pkg/util/sets"
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)
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const defaultZone = "default-zone"
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func newNodePool(f *FakeInstanceGroups, zone string) NodePool {
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pool := NewNodePool(f)
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pool.Init(&FakeZoneLister{[]string{zone}})
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return pool
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}
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func TestNodePoolSync(t *testing.T) {
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f := NewFakeInstanceGroups(sets.NewString(
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[]string{"n1", "n2"}...))
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pool := newNodePool(f, defaultZone)
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pool.AddInstanceGroup("test", []int64{80})
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// KubeNodes: n1
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// GCENodes: n1, n2
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// Remove n2 from the instance group.
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f.calls = []int{}
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kubeNodes := sets.NewString([]string{"n1"}...)
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pool.Sync(kubeNodes.List())
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if f.instances.Len() != kubeNodes.Len() || !kubeNodes.IsSuperset(f.instances) {
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t.Fatalf("%v != %v", kubeNodes, f.instances)
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}
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// KubeNodes: n1, n2
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// GCENodes: n1
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// Try to add n2 to the instance group.
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f = NewFakeInstanceGroups(sets.NewString([]string{"n1"}...))
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pool = newNodePool(f, defaultZone)
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pool.AddInstanceGroup("test", []int64{80})
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f.calls = []int{}
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kubeNodes = sets.NewString([]string{"n1", "n2"}...)
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pool.Sync(kubeNodes.List())
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if f.instances.Len() != kubeNodes.Len() ||
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!kubeNodes.IsSuperset(f.instances) {
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t.Fatalf("%v != %v", kubeNodes, f.instances)
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}
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// KubeNodes: n1, n2
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// GCENodes: n1, n2
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// Do nothing.
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f = NewFakeInstanceGroups(sets.NewString([]string{"n1", "n2"}...))
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pool = newNodePool(f, defaultZone)
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pool.AddInstanceGroup("test", []int64{80})
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f.calls = []int{}
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kubeNodes = sets.NewString([]string{"n1", "n2"}...)
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pool.Sync(kubeNodes.List())
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if len(f.calls) != 0 {
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t.Fatalf(
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"Did not expect any calls, got %+v", f.calls)
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}
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}
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func TestSetNamedPorts(t *testing.T) {
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f := NewFakeInstanceGroups(sets.NewString(
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[]string{"ig"}...))
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pool := newNodePool(f, defaultZone)
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testCases := []struct {
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newPorts []int64
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expectedPorts []int64
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}{
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{
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// Verify adding a port works as expected.
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[]int64{80},
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[]int64{80},
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},
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{
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// Verify adding multiple ports at once works as expected.
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[]int64{81, 82},
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[]int64{80, 81, 82},
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},
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{
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// Adding existing ports should have no impact.
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[]int64{80, 82},
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[]int64{80, 81, 82},
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},
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// TODO: Add tests to remove named ports when we support that.
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}
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for _, test := range testCases {
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igs, _, err := pool.AddInstanceGroup("ig", test.newPorts)
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if err != nil {
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t.Fatalf("unexpected error in adding ports %v to instance group: %s", test.newPorts, err)
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}
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if len(igs) != 1 {
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t.Fatalf("expected a single instance group, got: %v", igs)
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}
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actualPorts := igs[0].NamedPorts
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if len(actualPorts) != len(test.expectedPorts) {
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t.Fatalf("unexpected named ports on instance group. expected: %v, got: %v", test.expectedPorts, actualPorts)
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}
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for i, p := range igs[0].NamedPorts {
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if p.Port != test.expectedPorts[i] {
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t.Fatalf("unexpected named ports on instance group. expected: %v, got: %v", test.expectedPorts, actualPorts)
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}
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}
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}
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}
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